/* ============================================================
   MathsMate — Mobile-First Stylesheet v3.9
   Think Maths. Solve More. Achieve Anything.
   App by BigJoe Codes | villastem.co.bw
   ============================================================ */
:root {
  /* ── Brand — from MathsMate logo ─────────────────────────── */
  /* Left M (cyan-blue) → Right M (purple) gradient            */
  --primary:      #0b1e35;   /* Dark navy — logo badge background    */
  --primary-dark: #070f1c;   /* Deeper navy for sidebar/topbar       */
  --primary-light:#162d4a;   /* Lighter navy for hover states        */
  --accent:       #1e90ff;   /* Bright blue — left side of M logo    */
  --accent-light: #d4eaff;   /* Tint for accent backgrounds          */
  --purple:       #7c3aed;   /* Brand purple — right side of M logo  */
  --purple-light: #ede9fe;   /* Purple tint                          */
  --grad:         linear-gradient(135deg,#1e90ff 0%,#7c3aed 100%);
  --grad-text:    linear-gradient(90deg,#1e90ff,#7c3aed);
  /* ── Semantic colours ─────────────────────────────────────── */
  --amber:#f2aa3a;   --amber-light:#fff4df;
  --coral:#e8675a;   --coral-light:#fdecea;
  --success:#27ae60; --success-light:#d5f5e3;
  --warning:#f39c12; --warning-light:#fef9e7;
  /* ── UI surfaces ──────────────────────────────────────────── */
  --bg:#f0f4f8; --card:#fff; --border:#e2e8f0;
  --text:#1e293b; --text-muted:#64748b; --text-light:#94a3b8;
  /* ── Layout ───────────────────────────────────────────────── */
  --topbar-h:60px; --bottom-nav-h:68px;
  --sidebar-w:260px; --sidebar-collapsed:64px;
  --radius:12px; --radius-sm:8px;
  --shadow:0 2px 16px rgba(30,41,59,.10);
  --shadow-lg:0 8px 32px rgba(30,41,59,.16);
  --font:'Segoe UI',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);
  font-size:15px;line-height:1.55;min-height:100vh;overflow-x:hidden}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
input,select,textarea,button{font-family:inherit;font-size:inherit}

/* ── SPLASH SCREEN ── */
.sm-splash{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(ellipse at 20% 20%,#1e90ff1a 0,transparent 50%),
    radial-gradient(ellipse at 80% 80%,#7c3aed1a 0,transparent 50%),
    linear-gradient(160deg,#070f1c 0%,#0b1e35 45%,#0f2040 70%,#130d2e 100%);
  transition:opacity .65s,visibility .65s}
.sm-splash.hide{opacity:0;visibility:hidden;pointer-events:none}
.sm-splash-inner{display:flex;flex-direction:column;align-items:center;gap:20px;padding:24px;text-align:center;
  animation:floatIn .9s cubic-bezier(.2,.8,.2,1) both}
@keyframes floatIn{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}
.sm-splash-logo{padding:20px 28px;border-radius:24px;background:#ffffff14;border:1px solid #ffffff25;
  backdrop-filter:blur(8px);box-shadow:0 24px 56px #08152a55,inset 0 1px 0 #ffffff22}
.sm-splash-logo img{width:min(56vw,280px);display:block}
.sm-splash-tag{font:600 11px/1 var(--font);letter-spacing:2.5px;text-transform:uppercase;color:#bcd6ea}
.sm-splash-bar{width:140px;height:4px;background:#ffffff1a;border-radius:99px;overflow:hidden}
.sm-splash-bar i{display:block;height:100%;width:35%;background:linear-gradient(90deg,#1e90ff,#7c3aed,#1e90ff);background-size:200%;animation:barSlide 1.4s ease-in-out infinite,gradShift 2s linear infinite;
  border-radius:99px;animation:barSlide 1.2s ease-in-out infinite}
@keyframes barSlide{0%{transform:translateX(-120%)}100%{transform:translateX(320%)}}
@keyframes gradShift{0%{background-position:0%}100%{background-position:200%}}
.sm-splash-credit{font:700 12px/1.5 var(--font);color:#eaf3fb}
.sm-splash-credit b{color:#ffd479}

/* ── TOPBAR ── */
.topbar{position:fixed;top:0;left:0;right:0;z-index:200;height:var(--topbar-h);
  background:var(--primary-dark);color:#fff;display:flex;align-items:center;gap:12px;
  padding:0 16px;box-shadow:0 2px 12px rgba(0,0,0,.35);border-bottom:1px solid #1e90ff22}
.topbar-brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.topbar-brand img{height:30px;width:auto;display:block}
.topbar-brand-text{display:flex;flex-direction:column;line-height:1.1}
.topbar-brand-text b{font-size:13.5px;font-weight:800;color:#fff;letter-spacing:.2px}
.topbar-brand-text span{font-size:9.5px;color:#9fd7e0;letter-spacing:.6px;text-transform:uppercase}
.topbar-btn{background:none;border:none;color:#fff;cursor:pointer;padding:8px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;font-size:18px;
  transition:background .15s}
.topbar-btn:hover{background:#ffffff18}
.topbar-sync{font:600 11px var(--font);padding:5px 10px;border-radius:99px;border:1px solid #1e90ff33;
  background:#1e90ff12;color:#93c5fd;white-space:nowrap;cursor:default}
.topbar-sync.offline{background:#e8675a22;border-color:#e8675a55;color:#ffd0cc}
.topbar-sync.syncing{animation:pulse .8s infinite alternate}
@keyframes pulse{from{opacity:.6}to{opacity:1}}
.topbar-avatar{width:34px;height:34px;border-radius:50%;background:var(--accent);
  display:flex;align-items:center;justify-content:center;font:700 13px var(--font);color:#fff;cursor:pointer;flex-shrink:0}

/* ── LAYOUT SHELL ── */
.app-shell{display:flex;min-height:100vh;padding-top:var(--topbar-h)}
.sidebar{position:fixed;top:var(--topbar-h);left:0;bottom:0;width:var(--sidebar-w);
  background:var(--primary-dark);color:#d4e8ff;overflow-y:auto;overflow-x:hidden;border-right:1px solid #1e90ff18;
  transition:width .25s,transform .25s;z-index:150;display:flex;flex-direction:column;padding-top:8px}
.sidebar.collapsed{width:var(--sidebar-collapsed)}
.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000060;z-index:140}
.main-content{flex:1;min-width:0;padding:20px 16px;transition:margin-left .25s}

.sidebar-nav{list-style:none;padding:4px 0}
.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:11px 18px;color:#ccd7e2;font-size:14px;
  font-weight:500;border-radius:0;transition:background .15s,color .15s;white-space:nowrap;overflow:hidden}
.sidebar-nav a:hover,.sidebar-nav a.active{background:#ffffff15;color:#fff;text-decoration:none}
.sidebar-nav a.active{border-left:3px solid var(--accent);background:#22a6b320}
.sidebar-nav a i{width:20px;text-align:center;font-size:16px;flex-shrink:0}
.sidebar-nav .nav-label{transition:opacity .2s;opacity:1}
.sidebar.collapsed .nav-label{opacity:0;pointer-events:none}
.sidebar-divider{height:1px;background:#ffffff15;margin:8px 16px}
.sidebar-section-label{padding:8px 18px 4px;font:700 10px var(--font);letter-spacing:1.2px;
  text-transform:uppercase;color:#7a90a4;white-space:nowrap;overflow:hidden}
.sidebar.collapsed .sidebar-section-label{opacity:0}
.sidebar-footer{margin-top:auto;padding:12px 0;border-top:1px solid #ffffff15}

/* ── BOTTOM NAV (mobile) ── */
.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;z-index:190;
  background:var(--primary-dark);border-top:1px solid #ffffff18;height:var(--bottom-nav-h);
  padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 16px rgba(0,0,0,.3)}
.bottom-nav-inner{display:flex;height:100%}
.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;color:#7a90a4;font-size:10px;font-weight:600;letter-spacing:.3px;cursor:pointer;
  border:none;background:none;padding:6px 4px;min-height:44px;transition:color .15s}
.bottom-nav-item i{font-size:19px}
.bottom-nav-item.active{color:var(--accent)}
.bottom-nav-item:hover{color:#fff}

/* ── NETWORK BANNER ── */
.network-banner{display:none;position:fixed;top:var(--topbar-h);left:0;right:0;z-index:180;
  padding:8px 16px;font:600 13px var(--font);text-align:center;animation:slideDown .3s}
@keyframes slideDown{from{transform:translateY(-100%)}to{transform:none}}
.network-banner.offline{background:var(--coral);color:#fff;display:block}
.network-banner.online{background:var(--success);color:#fff;display:block}

/* ── CARDS ── */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:20px}
.card-header{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--border);gap:12px}
.card-header h2,.card-header h3{font-size:15px;font-weight:700;color:var(--text);margin:0}
.card-body{padding:16px 20px}
.card-footer{padding:12px 20px;border-top:1px solid var(--border);background:#f8fafc}

/* ── STAT CARDS ── */
.stat-grid{display:grid;gap:14px;grid-template-columns:1fr 1fr;margin-bottom:20px}
.stat-card{background:var(--card);border-radius:var(--radius-sm);padding:16px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:14px}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:22px;flex-shrink:0}
.stat-icon.accent{background:var(--accent-light);color:var(--accent)}
.stat-icon.amber{background:var(--amber-light);color:var(--amber)}
.stat-icon.coral{background:var(--coral-light);color:var(--coral)}
.stat-icon.success{background:var(--success-light);color:var(--success)}
.stat-value{font:700 24px/1 var(--font);color:var(--text)}
.stat-label{font:500 12px var(--font);color:var(--text-muted);margin-top:2px}

/* ── BADGES & PILLS ── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:99px;
  font:700 11px var(--font);white-space:nowrap}
.badge-accent{background:var(--accent-light);color:#0e7a85}
.badge-amber{background:var(--amber-light);color:#a07010}
.badge-coral{background:var(--coral-light);color:#b93d31}
.badge-success{background:var(--success-light);color:#1a7540}
.badge-muted{background:#f1f5f9;color:var(--text-muted)}
.badge-primary{background:#dbeafe;color:#1d4ed8}

/* ── TABLES ── */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:0 0 var(--radius) var(--radius)}
.sm-table{width:100%;border-collapse:collapse;font-size:14px}
.sm-table th{background:var(--primary);color:#fff;padding:11px 14px;text-align:left;
  font:700 12px var(--font);letter-spacing:.5px;text-transform:uppercase;white-space:nowrap;cursor:pointer;user-select:none}
.sm-table th:hover{background:var(--primary-light)}
.sm-table th .sort-icon{margin-left:4px;opacity:.5;font-size:10px}
.sm-table th.sorted-asc .sort-icon::after{content:'▲';opacity:1}
.sm-table th.sorted-desc .sort-icon::after{content:'▼';opacity:1}
.sm-table th.sorted-asc,.sm-table th.sorted-desc{background:var(--primary-light)}
.sm-table td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle;color:var(--text)}
.sm-table tr:last-child td{border-bottom:0}
.sm-table tr:hover td{background:#f8fafc}
.sm-table .td-actions{white-space:nowrap;text-align:right}

/* ── TABLE CONTROLS ── */
.table-controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:12px 16px;
  border-bottom:1px solid var(--border);background:#f8fafc}
.table-search{flex:1;min-width:180px;max-width:320px;position:relative}
.table-search input{width:100%;padding:9px 12px 9px 36px;border:1.5px solid var(--border);
  border-radius:var(--radius-sm);font-size:14px;background:#fff;transition:border-color .2s}
.table-search input:focus{outline:none;border-color:var(--accent)}
.table-search i{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px}
.table-filter-group{display:flex;gap:8px;flex-wrap:wrap}
.table-select{padding:9px 12px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  font-size:13px;background:#fff;cursor:pointer;color:var(--text)}
.table-select:focus{outline:none;border-color:var(--accent)}
.table-perpage{display:flex;align-items:center;gap:8px;font:600 13px var(--font);color:var(--text-muted)}
.table-perpage select{width:70px}

/* ── PAGINATION ── */
.pagination{display:flex;align-items:center;gap:6px;padding:12px 16px;flex-wrap:wrap}
.pag-btn{min-width:36px;height:36px;padding:0 10px;border:1.5px solid var(--border);background:#fff;
  border-radius:var(--radius-sm);font:600 13px var(--font);cursor:pointer;display:flex;align-items:center;
  justify-content:center;transition:all .15s;color:var(--text)}
.pag-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.pag-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.pag-btn:disabled{opacity:.4;cursor:not-allowed}
.pag-info{font:500 13px var(--font);color:var(--text-muted);margin-left:auto}

/* ── FORMS ── */
.form-group{margin-bottom:18px}
.form-label{display:block;font:700 13px var(--font);color:var(--text);margin-bottom:6px}
.form-label span{color:var(--coral);margin-left:2px}
.form-control{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  font-size:15px;background:#fff;color:var(--text);transition:border-color .2s,box-shadow .2s;
  -webkit-appearance:none}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,166,179,.15)}
.form-control.error{border-color:var(--coral)}
.form-hint{font:12px var(--font);color:var(--text-muted);margin-top:4px}
.form-error{font:12px var(--font);color:var(--coral);margin-top:4px}
textarea.form-control{resize:vertical;min-height:90px}
select.form-control{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:38px}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 18px;
  border-radius:var(--radius-sm);font:700 14px var(--font);cursor:pointer;border:none;
  transition:all .15s;white-space:nowrap;min-height:44px;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#1d8f9b;color:#fff}
.btn-navy{background:var(--primary);color:#fff}
.btn-navy:hover{background:var(--primary-light);color:#fff}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:#d89428;color:#fff}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#c94f42;color:#fff}
.btn-outline{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.btn-outline:hover{background:var(--accent);color:#fff}
.btn-ghost{background:transparent;color:var(--text-muted);border:1.5px solid var(--border)}
.btn-ghost:hover{background:#f1f5f9;color:var(--text)}
.btn-sm{padding:7px 13px;font-size:13px;min-height:36px}
.btn-icon{padding:8px;min-width:36px;min-height:36px;border-radius:8px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ── CHECKBOXES (objective progress) ── */
.obj-list{list-style:none;display:flex;flex-direction:column;gap:6px}
.obj-item{display:flex;align-items:flex-start;gap:10px;padding:8px 10px;border-radius:8px;
  background:#f8fafc;border:1.5px solid var(--border);transition:border-color .15s}
.obj-item:hover{border-color:var(--accent)}
.obj-item.checked{background:#d4f1f4;border-color:var(--accent)}
.obj-item input[type=checkbox]{width:18px;height:18px;margin-top:2px;accent-color:var(--accent);
  cursor:pointer;flex-shrink:0}
.obj-item label{font-size:14px;cursor:pointer;color:var(--text);line-height:1.45;flex:1}
.obj-item.checked label{color:#0e7a85}
.obj-item[data-readonly] input{pointer-events:none;cursor:not-allowed}

/* ── PROGRESS BARS ── */
.progress-wrap{background:#e2e8f0;border-radius:99px;overflow:hidden;height:8px}
.progress-bar{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--primary-light));
  transition:width .6s ease}
.progress-text{font:700 12px var(--font);color:var(--text-muted);text-align:right;margin-top:3px}

/* ── LESSON ACCORDION ── */
.acc-item{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);
  margin-bottom:10px;overflow:hidden}
.acc-header{display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer;
  background:#f8fafc;transition:background .15s;user-select:none}
.acc-header:hover{background:#f0f4f8}
.acc-num{width:32px;height:32px;border-radius:8px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font:700 13px var(--font);flex-shrink:0}
.acc-title{flex:1;font:600 14px var(--font);color:var(--text)}
.acc-meta{font:12px var(--font);color:var(--text-muted)}
.acc-chevron{color:var(--text-muted);transition:transform .2s;font-size:14px}
.acc-item.open .acc-chevron{transform:rotate(180deg)}
.acc-body{display:none;padding:16px;border-top:1px solid var(--border)}
.acc-item.open .acc-body{display:block}

/* ── MODE BADGE ── */
.mode-physical{background:#f0eefb;color:#5352a3}
.mode-online{background:#d4f1f4;color:#0e7a85}

/* ── WEEK TABS ── */
.week-tabs{display:flex;overflow-x:auto;gap:6px;padding-bottom:6px;margin-bottom:20px;scrollbar-width:none}
.week-tabs::-webkit-scrollbar{display:none}
.week-tab{padding:8px 14px;border-radius:99px;font:600 13px var(--font);cursor:pointer;white-space:nowrap;
  background:#fff;border:1.5px solid var(--border);color:var(--text-muted);transition:all .15s;flex-shrink:0}
.week-tab.active,.week-tab:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ── REFLECTION AREAS ── */
.reflect-grid{display:grid;gap:14px;grid-template-columns:1fr}
.reflect-box{border-radius:var(--radius-sm);overflow:hidden;border:1.5px solid var(--border)}
.reflect-label{padding:8px 12px;font:700 12px var(--font);letter-spacing:.5px;text-transform:uppercase;
  display:flex;align-items:center;gap:6px}
.reflect-label.tutor{background:var(--primary);color:#fff}
.reflect-label.student{background:var(--amber-light);color:#a07010}
.reflect-label.readonly{background:#f1f5f9;color:var(--text-muted)}
.reflect-textarea{width:100%;min-height:80px;padding:10px 12px;border:none;resize:vertical;
  font:15px/1.5 var(--font);color:var(--text);background:#fff}
.reflect-textarea:focus{outline:2px solid var(--accent)}
.reflect-textarea[readonly]{background:#f8fafc;color:var(--text-muted);cursor:default}

/* ── TOASTS ── */
#toast-container{position:fixed;bottom:calc(var(--bottom-nav-h) + 12px);right:16px;z-index:9000;
  display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:var(--primary-dark);color:#fff;padding:12px 18px;border-radius:var(--radius-sm);
  font:600 13px var(--font);box-shadow:var(--shadow-lg);pointer-events:auto;max-width:280px;
  animation:toastIn .3s ease both}
@keyframes toastIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:none}}
.toast.success{background:var(--success)} .toast.error{background:var(--coral)}
.toast.warning{background:var(--warning);color:var(--primary-dark)}

/* ── LOGIN PAGE ── */
.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:linear-gradient(135deg,#0e2035 0%,#1c4f78 52%,#5352a3 100%)}
.login-card{width:100%;max-width:420px;background:#fff;border-radius:20px;
  box-shadow:0 32px 64px rgba(0,0,0,.35);overflow:hidden}
.login-header{padding:32px 32px 24px;text-align:center;
  background:linear-gradient(155deg,#0e2035,#1c4f78 60%,#5352a3)}
.login-header img{width:min(65%,220px);margin-bottom:12px}
.login-header p{color:#9fd7e0;font-size:13px;margin-top:4px}
.login-body{padding:28px 32px}
.login-title{font:800 20px var(--font);color:var(--text);margin-bottom:6px}
.login-subtitle{font:14px var(--font);color:var(--text-muted);margin-bottom:24px}
.demo-card{background:#f8fafc;border:1.5px dashed var(--border);border-radius:10px;
  padding:12px 14px;margin-bottom:20px;font-size:12.5px;color:var(--text-muted)}
.demo-card b{color:var(--primary);display:block;margin-bottom:4px}
.demo-card code{background:#e2e8f0;padding:1px 5px;border-radius:4px;font-size:11.5px}
.pw-toggle{position:relative}
.pw-toggle input{padding-right:44px}
.pw-eye{position:absolute;right:12px;top:50%;transform:translateY(-50%);
  background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:16px;padding:4px}

/* ── PAGE HEADER ── */
.page-header{margin-bottom:20px}
.page-header h1{font:800 22px var(--font);color:var(--text);line-height:1.2}
.page-header p{color:var(--text-muted);font-size:14px;margin-top:4px}
.page-header .breadcrumb{font:12px var(--font);color:var(--text-muted);margin-bottom:6px}
.page-header .breadcrumb a{color:var(--text-muted)}
.page-header .breadcrumb a:hover{color:var(--accent)}

/* ── ALERTS ── */
.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px;
  display:flex;align-items:flex-start;gap:10px;border-left:4px solid}
.alert i{margin-top:2px;flex-shrink:0}
.alert-info{background:var(--accent-light);color:#0e7a85;border-color:var(--accent)}
.alert-success{background:var(--success-light);color:#1a7540;border-color:var(--success)}
.alert-warning{background:var(--amber-light);color:#a07010;border-color:var(--amber)}
.alert-danger{background:var(--coral-light);color:#b93d31;border-color:var(--coral)}

/* ── MARK INPUT ── */
.mark-cell input[type=number]{width:70px;padding:5px 8px;border:1.5px solid var(--border);
  border-radius:6px;font:700 14px var(--font);text-align:center;background:#fff}
.mark-cell input:focus{outline:none;border-color:var(--accent)}
.mark-pass{color:var(--success);font-weight:700}
.mark-fail{color:var(--coral);font-weight:700}

/* ── PROFILE DRAWER ── */
.profile-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow-lg);min-width:200px;z-index:300;padding:8px 0;display:none}
.profile-menu.show{display:block}
.profile-menu-header{padding:12px 16px;border-bottom:1px solid var(--border)}
.profile-menu-header b{display:block;font-size:14px;color:var(--text)}
.profile-menu-header span{font-size:12px;color:var(--text-muted)}
.profile-menu a,.profile-menu button{display:flex;align-items:center;gap:10px;padding:10px 16px;
  color:var(--text);font-size:14px;background:none;border:none;width:100%;text-align:left;cursor:pointer}
.profile-menu a:hover,.profile-menu button:hover{background:#f0f4f8}
.profile-menu .logout-btn{color:var(--coral)}

/* ── MOBILE CARD VIEW (for tables on small screens) ── */
.mobile-card-row{display:none;background:var(--card);border-radius:var(--radius-sm);
  padding:14px;margin-bottom:10px;box-shadow:var(--shadow);border:1.5px solid var(--border)}
.mobile-card-row .mcr-title{font:700 15px var(--font);color:var(--text);margin-bottom:6px}
.mobile-card-row .mcr-field{display:flex;gap:8px;margin-bottom:4px;font-size:13px}
.mobile-card-row .mcr-label{color:var(--text-muted);min-width:90px;flex-shrink:0}
.mobile-card-row .mcr-val{color:var(--text);font-weight:500}
.mobile-card-row .mcr-actions{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}

/* ── TOPBAR POSITION WRAPPER ── */
.topbar-actions{position:relative}

/* ── UTILITY ── */
.flex{display:flex} .flex-wrap{flex-wrap:wrap} .items-center{align-items:center}
.justify-between{justify-content:space-between} .gap-2{gap:8px} .gap-3{gap:12px}
.mb-0{margin-bottom:0} .mb-1{margin-bottom:8px} .mb-2{margin-bottom:16px}
.mb-3{margin-bottom:24px} .mt-1{margin-top:8px} .mt-2{margin-top:16px}
.text-muted{color:var(--text-muted)} .text-sm{font-size:13px} .fw-bold{font-weight:700}
.text-success{color:var(--success)} .text-coral{color:var(--coral)} .text-amber{color:var(--amber)}
.text-center{text-align:center} .text-right{text-align:right}
.w-100{width:100%} .d-none{display:none} .d-flex{display:flex}
.rounded{border-radius:var(--radius-sm)}
.divider{height:1px;background:var(--border);margin:16px 0}

/* ── PRINT ── */
@media print {
  .topbar,.sidebar,.sidebar-overlay,.bottom-nav,.network-banner,
  .sm-splash,.topbar-btn,.table-controls,.pagination,.btn-sm,.toast,
  #toast-container,.profile-menu{display:none!important}
  .main-content{margin-left:0!important;padding:0!important}
  .card{box-shadow:none;border:1px solid #ccc}
  body{background:#fff;font-size:11pt}
}

/* ── RESPONSIVE ── */
@media (min-width:768px) {
  .stat-grid{grid-template-columns:repeat(4,1fr)}
  .reflect-grid{grid-template-columns:1fr 1fr}
}
@media (min-width:992px) {
  .main-content{margin-left:var(--sidebar-w)}
  .sidebar.collapsed ~ .main-content{margin-left:var(--sidebar-collapsed)}
  .bottom-nav{display:none!important}
  .topbar-brand-text{display:flex}
}
@media (max-width:991px) {
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none}
  .sidebar-overlay.show{display:block}
  .bottom-nav{display:flex}
  .main-content{margin-left:0;padding-bottom:calc(var(--bottom-nav-h) + 12px)}
  .topbar-brand-text span{display:none}
}
@media (max-width:575px) {
  .stat-grid{grid-template-columns:1fr 1fr}
  .login-body{padding:20px}
  .login-header{padding:24px 20px 18px}
  .sm-table th:nth-child(n+4),.sm-table td:nth-child(n+4){display:none}
  .mobile-card-row{display:block}
}

/* ── PACE MODE ── */
.week-tab.locked-tab{opacity:.55;cursor:not-allowed;filter:grayscale(.4)}
.week-tab.locked-tab:hover{background:#fff;color:var(--text-muted);border-color:var(--border)}
.pace-badge-self{background:#fff4df;color:#a07010;border:1.5px solid var(--amber);padding:4px 10px;
  border-radius:99px;font:700 11px var(--font)}
.pace-badge-week{background:#d4f1f4;color:#0e7a85;border:1.5px solid var(--accent);padding:4px 10px;
  border-radius:99px;font:700 11px var(--font)}

/* ── ADMIN ── */
.admin-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.syllabus-card{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);
  border-left:4px solid var(--accent)}
.colour-preview{width:28px;height:28px;border-radius:6px;border:2px solid var(--border);flex-shrink:0}

/* ============================================================
   v1.2 — XP System, Animations, Viewer, Multi-Role
   ============================================================ */

/* ── XP BAR in topbar ── */
.xp-topbar{display:flex;align-items:center;gap:8px;cursor:pointer;padding:4px 8px;
  border-radius:8px;transition:background .15s}
.xp-topbar:hover{background:#ffffff15}
.xp-level-badge{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;
  justify-content:center;font-size:13px;color:#fff;flex-shrink:0;font-weight:700}
.xp-mini-bar{width:60px;height:5px;background:#ffffff22;border-radius:99px;overflow:hidden}
.xp-mini-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--amber));
  border-radius:99px;transition:width .6s ease}
.xp-text{font:700 11px var(--font);color:#bcd6ea;white-space:nowrap}

/* ── XP POPUP (floats up on earn) ── */
.xp-popup{position:fixed;z-index:8000;pointer-events:none;
  animation:xpFloat 2.4s ease-out forwards}
@keyframes xpFloat{
  0%{opacity:0;transform:translateY(0) scale(.8)}
  20%{opacity:1;transform:translateY(-20px) scale(1)}
  70%{opacity:1;transform:translateY(-60px) scale(1)}
  100%{opacity:0;transform:translateY(-100px) scale(.9)}}
.xp-popup-inner{background:var(--primary-dark);color:#fff;border-radius:99px;
  padding:8px 16px;font:700 14px var(--font);display:flex;align-items:center;gap:8px;
  box-shadow:0 8px 24px rgba(0,0,0,.3);white-space:nowrap}
.xp-popup-inner i{font-size:16px}
.xp-popup-inner .xp-amt{color:var(--amber);font-size:16px}

/* ── LEVEL UP OVERLAY ── */
.levelup-overlay{position:fixed;inset:0;z-index:9500;display:flex;align-items:center;
  justify-content:center;background:#0008;backdrop-filter:blur(4px);
  animation:fadeIn .4s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.levelup-card{background:linear-gradient(135deg,#0e2035,#1c4f78 50%,#5352a3);
  border-radius:24px;padding:40px;text-align:center;max-width:360px;width:90%;
  box-shadow:0 32px 80px rgba(0,0,0,.5);animation:popIn .5s cubic-bezier(.17,.67,.3,1.3)}
@keyframes popIn{from{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}
.levelup-icon{font-size:60px;margin-bottom:16px;animation:spinBounce 1s ease}
@keyframes spinBounce{0%{transform:rotate(-10deg) scale(.8)}50%{transform:rotate(5deg) scale(1.1)}100%{transform:none}}
.levelup-title{font:800 28px var(--font);color:#fff;margin-bottom:8px}
.levelup-sub{font:500 15px var(--font);color:#9fd7e0}

/* ── ACHIEVEMENT UNLOCK ── */
.achievement-toast{display:flex;align-items:center;gap:12px;background:linear-gradient(135deg,#1a3a5c,#5352a3);
  color:#fff;padding:14px 18px;border-radius:14px;box-shadow:var(--shadow-lg);
  animation:slideInRight .4s ease, fadeOut .4s 4s ease forwards}
@keyframes slideInRight{from{opacity:0;transform:translateX(80px)}to{opacity:1;transform:none}}
@keyframes fadeOut{from{opacity:1}to{opacity:0}}
.achievement-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;
  justify-content:center;font-size:20px;flex-shrink:0}
.achievement-title{font:700 13px var(--font)}
.achievement-name{font:500 12px var(--font);opacity:.8}
.achievement-xp{font:700 13px var(--font);color:var(--amber);margin-left:auto;white-space:nowrap}

/* ── XP PANEL (dashboard widget) ── */
.xp-panel{background:linear-gradient(135deg,#0e2035,#1c4f78 55%,#2f5aa0);
  border-radius:var(--radius);padding:20px;color:#fff;position:relative;overflow:hidden}
.xp-panel::after{content:'';position:absolute;right:-20px;top:-20px;width:120px;height:120px;
  border-radius:50%;background:#ffffff08}
.xp-level-ring{width:64px;height:64px;border-radius:50%;border:3px solid;
  display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}
.xp-bar-full{background:#ffffff22;border-radius:99px;height:10px;overflow:hidden;margin-top:12px}
.xp-bar-fill{height:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--accent),var(--amber));transition:width .8s ease}
.xp-streak{display:flex;align-items:center;gap:6px;font:700 12px var(--font);
  padding:4px 10px;background:#ffffff15;border-radius:99px;color:#ffd479}

/* ── ACHIEVEMENTS GRID ── */
.achievement-card{background:var(--card);border-radius:var(--radius-sm);padding:14px;
  display:flex;align-items:center;gap:12px;box-shadow:var(--shadow);
  border:1.5px solid var(--border);transition:transform .15s,box-shadow .15s}
.achievement-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.achievement-card .ach-icon{width:44px;height:44px;border-radius:10px;display:flex;
  align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.achievement-card .ach-name{font:700 13px var(--font);color:var(--text)}
.achievement-card .ach-xp{font:700 11px var(--font);color:var(--amber)}
.achievement-card .ach-date{font-size:11px;color:var(--text-muted)}
.achievement-card.locked{opacity:.4;filter:grayscale(.8)}

/* ── EMBEDDED DOCUMENT VIEWER ── */
.doc-viewer-overlay{position:fixed;inset:0;z-index:7000;background:#000d;
  display:flex;align-items:center;justify-content:center;
  animation:fadeIn .25s ease;padding:16px}
.doc-viewer-overlay.hide{animation:fadeOut .25s ease forwards}
.doc-viewer-shell{background:var(--card);border-radius:var(--radius);
  box-shadow:0 32px 80px rgba(0,0,0,.6);display:flex;flex-direction:column;
  width:100%;max-width:900px;height:90vh;overflow:hidden;animation:popIn .3s ease}
.doc-viewer-header{display:flex;align-items:center;padding:14px 16px;
  background:var(--primary);color:#fff;gap:12px;flex-shrink:0}
.doc-viewer-header .doc-title{flex:1;font:700 14px var(--font);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-viewer-close{width:36px;height:36px;border-radius:8px;background:#ffffff20;border:none;
  color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:18px;transition:background .15s;flex-shrink:0}
.doc-viewer-close:hover{background:#ffffff35}
.doc-viewer-body{flex:1;overflow:hidden;position:relative}
.doc-viewer-body iframe,.doc-viewer-body img{width:100%;height:100%;border:none;object-fit:contain}
.doc-viewer-toolbar{padding:10px 16px;background:#f8fafc;border-top:1px solid var(--border);
  display:flex;align-items:center;gap:10px;flex-shrink:0;flex-wrap:wrap}

/* ── CONFETTI (on level up) ── */
.confetti-piece{position:fixed;width:8px;height:8px;border-radius:2px;
  animation:confettiFall linear forwards;pointer-events:none;z-index:9600}
@keyframes confettiFall{
  0%{transform:translateY(-20px) rotate(0deg);opacity:1}
  100%{transform:translateY(110vh) rotate(720deg);opacity:0}}

/* ── CARD HOVER ANIMATIONS ── */
.card{transition:box-shadow .2s}
.card:hover{box-shadow:0 4px 24px rgba(30,41,59,.14)}
.stat-card{transition:transform .15s,box-shadow .15s}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.acc-item{transition:box-shadow .15s}
.acc-item:hover{box-shadow:0 2px 12px rgba(34,166,179,.12)}

/* ── NOTIFICATION BELL ── */
.notif-btn{position:relative}
.notif-badge{position:absolute;top:2px;right:2px;min-width:16px;height:16px;
  background:var(--coral);border-radius:99px;font:700 9px var(--font);
  color:#fff;display:flex;align-items:center;justify-content:center;padding:0 3px;
  border:2px solid var(--primary)}
.notif-dropdown{position:absolute;top:calc(100%+8px);right:0;width:300px;
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  z-index:400;overflow:hidden;display:none}
.notif-dropdown.show{display:block}
.notif-item{padding:12px 16px;border-bottom:1px solid var(--border);
  transition:background .15s;cursor:pointer}
.notif-item:hover{background:#f8fafc}
.notif-item:last-child{border-bottom:0}
.notif-item.unread{border-left:3px solid var(--accent);background:#f0fdff}
.notif-item-title{font:700 13px var(--font);color:var(--text)}
.notif-item-body{font:12px var(--font);color:var(--text-muted);margin-top:2px}
.notif-item-time{font:11px var(--font);color:var(--text-light);margin-top:2px}

/* ── SUBSCRIPTION BADGE ── */
.sub-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;
  border-radius:99px;font:700 10px var(--font)}

/* ── PAGE TRANSITIONS ── */
.main-content{animation:pageIn .3s ease}
@keyframes pageIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ── ROLE CHIPS ── */
.role-superadmin{background:#1a3a5c;color:#fff}
.role-admin{background:#5352a3;color:#fff}
.role-multi_vendor{background:#8e44ad;color:#fff}
.role-teacher{background:#22a6b3;color:#fff}
.role-student{background:#27ae60;color:#fff}
.role-parent{background:#f2aa3a;color:#fff}

/* ============================================================
   v1.3 — BigJoe Chatbot + Math CAPTCHA
   ============================================================ */

/* ── BIGJOE BUBBLE ── */
.bj-bubble{position:fixed;bottom:calc(var(--bottom-nav-h)+20px);right:20px;z-index:5000;
  width:58px;height:58px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),#5352a3);
  color:#fff;font-size:24px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;box-shadow:0 8px 32px rgba(26,58,92,.45);
  transition:transform .2s,box-shadow .2s;position:fixed}
.bj-bubble:hover,.bj-bubble.bj-active{transform:scale(1.1);box-shadow:0 12px 40px rgba(26,58,92,.6)}
.bj-bubble-badge{position:absolute;top:0;right:0;min-width:18px;height:18px;
  background:var(--coral);border-radius:99px;font:700 10px var(--font);color:#fff;
  display:flex;align-items:center;justify-content:center;padding:0 4px;border:2px solid #fff}
@media (min-width:992px){.bj-bubble{bottom:24px}}

/* ── BIGJOE PANEL ── */
.bj-panel{position:fixed;bottom:calc(var(--bottom-nav-h)+88px);right:16px;z-index:4999;
  width:min(380px,calc(100vw - 32px));height:min(580px,calc(100vh - 120px));
  background:var(--card);border-radius:20px;box-shadow:0 24px 72px rgba(26,58,92,.35);
  display:flex;flex-direction:column;overflow:hidden;
  transform:translateY(20px) scale(.97);opacity:0;
  transition:transform .28s cubic-bezier(.17,.67,.3,1.3),opacity .25s}
.bj-panel.bj-open{transform:none;opacity:1}
@media (min-width:992px){.bj-panel{bottom:96px;right:24px}}

/* ── PANEL HEADER ── */
.bj-header{background:linear-gradient(135deg,var(--primary),#5352a3);
  color:#fff;padding:14px 16px;display:flex;align-items:center;gap:12px;flex-shrink:0}
.bj-avatar{width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--amber));
  display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;
  box-shadow:0 0 0 3px rgba(255,255,255,.25)}
.bj-name{font:800 15px var(--font);color:#fff}
.bj-ai-badge{background:var(--amber);color:#fff;font:700 9px var(--font);
  padding:2px 5px;border-radius:99px;letter-spacing:.5px;margin-left:4px;vertical-align:1px}
.bj-status{font:12px var(--font);color:#9fd7e0;margin-top:1px}
.bj-header-btn{background:#ffffff18;border:none;color:#fff;cursor:pointer;
  width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:background .15s;flex-shrink:0}
.bj-header-btn:hover{background:#ffffff30}

/* ── MESSAGES ── */
.bj-messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px;
  scroll-behavior:smooth;background:#f8fafc}
.bj-messages::-webkit-scrollbar{width:4px}
.bj-messages::-webkit-scrollbar-track{background:transparent}
.bj-messages::-webkit-scrollbar-thumb{background:#d0dae5;border-radius:99px}

.bj-msg{display:flex;align-items:flex-end;gap:8px;animation:msgIn .25s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.bj-msg-ai{flex-direction:row}
.bj-msg-user{flex-direction:row-reverse}
.bj-msg-avatar{width:30px;height:30px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),#5352a3);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;flex-shrink:0;margin-bottom:2px}
.bj-msg-bubble{max-width:82%;padding:10px 14px;border-radius:18px;
  font:14px/1.55 var(--font);line-height:1.6}
.bj-msg-ai .bj-msg-bubble{background:#fff;color:var(--text);
  border-bottom-left-radius:4px;box-shadow:0 1px 8px rgba(0,0,0,.08)}
.bj-msg-user .bj-msg-bubble{background:linear-gradient(135deg,var(--primary),#5352a3);
  color:#fff;border-bottom-right-radius:4px}

/* ── TYPING DOTS ── */
.bj-dots{display:flex;gap:5px;align-items:center;padding:4px 0}
.bj-dots span{width:7px;height:7px;border-radius:50%;background:#94a3b8;
  animation:dotBounce 1.2s ease infinite}
.bj-dots span:nth-child(2){animation-delay:.2s}
.bj-dots span:nth-child(3){animation-delay:.4s}
@keyframes dotBounce{0%,80%,100%{transform:translateY(0);opacity:.5}
  40%{transform:translateY(-6px);opacity:1}}

/* ── SUGGESTIONS ── */
.bj-suggestions{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.bj-sugg{background:var(--accent-light);color:#0e7a85;border:1.5px solid #b0e7ee;
  border-radius:99px;padding:5px 12px;font:600 12px var(--font);cursor:pointer;
  transition:all .15s;white-space:nowrap}
.bj-sugg:hover{background:var(--accent);color:#fff}

/* ── INPUT AREA ── */
.bj-input-area{padding:10px 12px 12px;border-top:1px solid var(--border);
  background:#fff;flex-shrink:0}
.bj-input-wrap{display:flex;align-items:flex-end;gap:8px;
  background:#f0f4f8;border-radius:14px;padding:8px 10px;
  border:1.5px solid transparent;transition:border-color .2s}
.bj-input-wrap:focus-within{border-color:var(--accent);background:#fff}
.bj-input{flex:1;border:none;background:transparent;resize:none;outline:none;
  font:14px/1.4 var(--font);color:var(--text);max-height:120px;min-height:22px;
  scrollbar-width:none}
.bj-input::-webkit-scrollbar{display:none}
.bj-send{width:36px;height:36px;border-radius:10px;border:none;
  background:linear-gradient(135deg,var(--primary),#5352a3);color:#fff;
  cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform .15s,opacity .15s;flex-shrink:0}
.bj-send:hover:not(:disabled){transform:scale(1.05)}
.bj-send:disabled{opacity:.4;cursor:not-allowed}
.bj-footer-note{text-align:center;font-size:10px;color:var(--text-light);margin-top:6px}
.bj-no-key{padding:10px 12px;background:var(--amber-light);border-top:1px solid #fde88a;
  font-size:12px;color:#a07010;display:flex;align-items:flex-start;gap:8px;flex-shrink:0}
.bj-no-key i{margin-top:2px;flex-shrink:0}
.bj-no-key code{background:#fff8e1;padding:1px 4px;border-radius:3px;font-size:11px}

/* ── MATH CAPTCHA ── */
.captcha-widget{background:var(--card);border-radius:var(--radius);
  border:1.5px solid var(--border);overflow:hidden;margin:16px 0}
.captcha-header{display:flex;align-items:center;gap:12px;padding:14px 16px;
  background:#f8fafc;border-bottom:1px solid var(--border)}
.captcha-logo{width:36px;height:36px;border-radius:10px;background:var(--accent-light);
  display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.captcha-title{font:700 14px var(--font);color:var(--text)}
.captcha-sub{font:12px var(--font);color:var(--text-muted)}
.captcha-refresh{background:none;border:none;cursor:pointer;color:var(--text-muted);
  padding:6px;border-radius:6px;font-size:14px;margin-left:auto;
  transition:color .15s,background .15s}
.captcha-refresh:hover{color:var(--accent);background:var(--accent-light)}

.captcha-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:16px}
.captcha-card{background:var(--c-light,#f0f4f8);border-radius:12px;padding:14px 10px;
  text-align:center;border:2px solid transparent;transition:border-color .2s;position:relative}
.captcha-card:focus-within{border-color:var(--c-bg,var(--accent))}
.captcha-eq{display:flex;align-items:center;justify-content:center;gap:4px;
  flex-wrap:wrap;margin-bottom:10px}
.captcha-num{font:800 22px var(--font);color:var(--c-txt,var(--text))}
.captcha-op{width:28px;height:28px;border-radius:8px;
  background:var(--c-bg,var(--accent));color:#fff;display:flex;align-items:center;
  justify-content:center;font-size:14px;flex-shrink:0}
.captcha-eq-sign{font:800 22px var(--font);color:var(--c-txt,var(--text))}
.captcha-input{width:100%;padding:8px 6px;border:2px solid var(--border);
  border-radius:8px;font:700 20px var(--font);text-align:center;background:#fff;
  color:var(--c-txt,var(--text));outline:none;transition:border-color .2s;
  -moz-appearance:textfield}
.captcha-input:focus{border-color:var(--c-bg,var(--accent));
  box-shadow:0 0 0 3px var(--c-light,rgba(34,166,179,.15))}
.captcha-input::-webkit-outer-spin-button,
.captcha-input::-webkit-inner-spin-button{-webkit-appearance:none}
.captcha-tick{position:absolute;top:8px;right:8px;font-size:14px}

.captcha-status{display:flex;align-items:center;gap:10px;padding:10px 16px 14px;
  border-top:1px solid var(--border)}
.captcha-dots{display:flex;gap:6px}
.captcha-dot{width:10px;height:10px;border-radius:50%;background:#e2e8f0;
  transition:background .25s,transform .2s}
.captcha-dot.captcha-dot-filled{background:var(--accent);transform:scale(1.2)}
#captchaStatusText{font:600 12px var(--font);color:var(--text-muted)}

/* ── ADMIN TOGGLE SWITCH ── */
.toggle-switch{position:relative;width:52px;height:28px;flex-shrink:0}
.toggle-switch input{opacity:0;width:0;height:0;position:absolute}
.toggle-slider{position:absolute;inset:0;background:#e2e8f0;border-radius:99px;
  cursor:pointer;transition:.3s}
.toggle-slider::before{content:'';position:absolute;width:20px;height:20px;
  left:4px;bottom:4px;background:#fff;border-radius:50%;transition:.3s;
  box-shadow:0 1px 4px rgba(0,0,0,.2)}
input:checked+.toggle-slider{background:var(--success)}
input:checked+.toggle-slider::before{transform:translateX(24px)}

/* ── BOTTOM PADDING for bubble ── */
@media (max-width:991px){
  .main-content{padding-bottom:calc(var(--bottom-nav-h) + 80px)}
}

/* ============================================================
   v1.4 — Password Modal, Video Player, Doc Protection
   ============================================================ */

/* ── PASSWORD RESET MODAL ── */
.sm-modal-overlay{position:fixed;inset:0;z-index:8500;background:#0009;
  display:flex;align-items:center;justify-content:center;padding:20px;
  animation:fadeIn .2s ease}
.sm-modal-overlay.hide{animation:fadeOut .2s ease forwards}
.sm-modal{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  width:100%;max-width:440px;overflow:hidden;animation:popIn .3s cubic-bezier(.17,.67,.3,1.3)}
.sm-modal-header{display:flex;align-items:center;gap:12px;padding:16px 20px;
  background:var(--primary);color:#fff}
.sm-modal-header i{font-size:20px}
.sm-modal-header h3{font:700 15px var(--font);margin:0;flex:1}
.sm-modal-header .sm-modal-close{background:#ffffff20;border:none;color:#fff;
  cursor:pointer;width:30px;height:30px;border-radius:8px;font-size:16px;
  display:flex;align-items:center;justify-content:center;transition:background .15s}
.sm-modal-header .sm-modal-close:hover{background:#ffffff35}
.sm-modal-body{padding:20px}
.sm-modal-footer{padding:12px 20px;border-top:1px solid var(--border);
  display:flex;gap:10px;justify-content:flex-end;background:#f8fafc}

/* Password field with action buttons */
.pw-field-group{display:flex;gap:6px;align-items:stretch}
.pw-field-group .form-control{flex:1;font-family:monospace;font-size:14px;letter-spacing:.5px}
.pw-action-btn{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);
  padding:0 12px;cursor:pointer;color:var(--text-muted);font-size:14px;
  display:flex;align-items:center;gap:5px;white-space:nowrap;transition:all .15s;
  font:600 12px var(--font)}
.pw-action-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.pw-strength{height:4px;border-radius:99px;margin-top:6px;background:#e2e8f0;overflow:hidden}
.pw-strength-fill{height:100%;border-radius:99px;transition:width .3s,background .3s}

/* ── CUSTOM VIDEO PLAYER (Alison-style) ── */
.sm-video-wrap{position:relative;background:#000;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:16/9;width:100%;user-select:none}
.sm-video-wrap video{width:100%;height:100%;display:block;
  pointer-events:none}/* prevent native context menu */
.sm-video-overlay{position:absolute;inset:0;cursor:pointer;z-index:2}
.sm-video-controls{position:absolute;bottom:0;left:0;right:0;z-index:3;
  background:linear-gradient(transparent,rgba(0,0,0,.8));
  padding:32px 14px 12px;opacity:0;transition:opacity .25s}
.sm-video-wrap:hover .sm-video-controls,
.sm-video-wrap.paused .sm-video-controls{opacity:1}
.sm-progress-bar{width:100%;height:4px;background:#ffffff40;border-radius:99px;
  cursor:pointer;margin-bottom:10px;position:relative}
.sm-progress-fill{height:100%;background:var(--accent);border-radius:99px;
  pointer-events:none;transition:width .1s linear}
.sm-progress-thumb{position:absolute;top:50%;right:0;transform:translate(50%,-50%);
  width:12px;height:12px;border-radius:50%;background:#fff;opacity:0;
  transition:opacity .15s}
.sm-progress-bar:hover .sm-progress-thumb{opacity:1}
.sm-ctrl-row{display:flex;align-items:center;gap:10px}
.sm-ctrl-btn{background:none;border:none;color:#fff;cursor:pointer;
  font-size:18px;padding:4px;transition:color .15s;line-height:1}
.sm-ctrl-btn:hover{color:var(--amber)}
.sm-time{font:600 12px var(--font);color:#ccc;white-space:nowrap}
.sm-vol-wrap{display:flex;align-items:center;gap:6px}
.sm-vol-slider{width:60px;height:3px;accent-color:var(--accent);cursor:pointer}
.sm-video-badge{position:absolute;top:12px;right:12px;z-index:4;
  background:#0009;color:#fff;padding:4px 10px;border-radius:99px;
  font:700 11px var(--font);<i class="fa fa-lock"></i>}
.sm-big-play{position:absolute;inset:0;display:flex;align-items:center;
  justify-content:center;z-index:2;transition:opacity .2s}
.sm-big-play button{width:64px;height:64px;border-radius:50%;
  background:rgba(255,255,255,.15);backdrop-filter:blur(4px);border:3px solid rgba(255,255,255,.7);
  color:#fff;font-size:26px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  padding-left:4px;transition:all .2s}
.sm-big-play button:hover{background:rgba(255,255,255,.25);transform:scale(1.08)}
.sm-video-wrap.playing .sm-big-play{opacity:0;pointer-events:none}

/* ── DOC VIEWER PROTECTION ── */
.doc-protected-overlay{position:absolute;inset:0;z-index:10;cursor:not-allowed;
  background:transparent}
.doc-viewer-body.protected iframe{pointer-events:none}
.doc-no-download .doc-download-btn{display:none!important}
/* Prevent text selection in protected mode */
.doc-viewer-body.protected{user-select:none;-webkit-user-select:none}

/* ── CAMERA SCAN BUTTON (BigJoe) ── */
.bj-camera-btn{width:34px;height:34px;border-radius:9px;border:none;
  background:var(--accent-light);color:var(--accent);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:all .15s;flex-shrink:0}
.bj-camera-btn:hover{background:var(--accent);color:#fff}
.bj-image-preview{position:relative;display:inline-block;margin:8px 0}
.bj-image-preview img{max-width:200px;max-height:150px;border-radius:10px;
  border:2px solid var(--accent);display:block}
.bj-image-preview .bj-img-remove{position:absolute;top:-8px;right:-8px;
  width:22px;height:22px;border-radius:50%;background:var(--coral);color:#fff;
  border:2px solid #fff;cursor:pointer;display:flex;align-items:center;
  justify-content:center;font-size:11px;line-height:1}
.bj-scan-hint{font:12px var(--font);color:var(--text-muted);padding:6px 12px;
  background:var(--accent-light);border-radius:8px;margin:4px 0;
  display:flex;align-items:center;gap:6px}

/* ── KEY BUTTON (user table) ── */
.btn-key{background:var(--amber-light);color:#a07010;border:1.5px solid #f2aa3a55}
.btn-key:hover{background:var(--amber);color:#fff;border-color:var(--amber)}

/* ── COPYRIGHT FOOTER ── */
.site-copyright{text-align:center;font-size:11px;color:var(--text-light);
  padding:8px 16px;border-top:1px solid var(--border);background:#f8fafc}

/* ── UPLOAD PROGRESS ── */
.upload-progress-wrap{background:#e2e8f0;border-radius:99px;height:8px;overflow:hidden;margin-top:6px}
.upload-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--primary-light));
  border-radius:99px;transition:width .3s;width:0%}

/* ── AVATAR MANAGEMENT ── */
.avatar-ring{display:inline-block;position:relative;cursor:pointer}
.avatar-ring::after{content:'\f030';font-family:FontAwesome;position:absolute;
  bottom:0;right:0;width:22px;height:22px;border-radius:50%;background:var(--accent);
  color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;
  border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.2)}
.colour-pick{transition:all .2s;outline:none}
.colour-pick:hover{transform:scale(1.15)}
.avatar-upload-zone{border:2px dashed var(--border);border-radius:var(--radius);
  padding:24px;text-align:center;cursor:pointer;transition:all .2s}
.avatar-upload-zone:hover{border-color:var(--accent);background:var(--accent-light)}
.avatar-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(60px,1fr));gap:8px}
.avatar-grid-item{width:56px;height:56px;border-radius:50%;cursor:pointer;border:2px solid transparent;
  transition:all .15s;display:flex;align-items:center;justify-content:center}
.avatar-grid-item:hover,.avatar-grid-item.active{border-color:var(--accent);transform:scale(1.08)}

/* ============================================================
   v2.0 — Mobile Bottom Nav (Vibrant & Eye-catching)
   ============================================================ */
:root{--bottom-nav-h:70px}

.bottom-nav{
  display:none;
  position:fixed;bottom:0;left:0;right:0;z-index:500;
  height:var(--bottom-nav-h);
  background:linear-gradient(135deg,#0e2035 0%,#1c4f78 50%,#5352a3 100%);
  box-shadow:0 -4px 24px rgba(26,58,92,.45);
  border-radius:20px 20px 0 0;
  padding:0 8px env(safe-area-inset-bottom,8px)
}
@media(max-width:991px){
  .bottom-nav{display:flex}
  .main-content{padding-bottom:calc(var(--bottom-nav-h) + 80px)}
}

.bn-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;padding:10px 4px 8px;cursor:pointer;text-decoration:none;
  border-radius:14px;margin:8px 4px;transition:all .2s;position:relative;
  color:#7a9dc0
}
.bn-item.active,
.bn-item:hover{
  background:linear-gradient(135deg,rgba(34,166,179,.25),rgba(83,82,163,.25));
  color:#fff
}
.bn-item.active{
  background:linear-gradient(135deg,#22a6b3,#5352a3);
  box-shadow:0 4px 16px rgba(34,166,179,.5);
  transform:translateY(-4px);
  color:#fff
}
.bn-item i{
  font-size:20px;transition:transform .2s;line-height:1
}
.bn-item.active i{transform:scale(1.15)}
.bn-item span{
  font:700 9px var(--font);text-transform:uppercase;letter-spacing:.6px;
  white-space:nowrap;transition:opacity .15s
}
.bn-badge{
  position:absolute;top:6px;right:10px;
  min-width:16px;height:16px;border-radius:99px;
  background:linear-gradient(135deg,var(--coral),#c0392b);
  color:#fff;font:700 9px var(--font);
  display:flex;align-items:center;justify-content:center;padding:0 3px;
  border:2px solid transparent;
  animation:badgePulse 2s ease infinite
}
@keyframes badgePulse{
  0%,100%{box-shadow:0 0 0 0 rgba(232,103,90,.5)}
  50%{box-shadow:0 0 0 4px rgba(232,103,90,0)}
}

/* ── Leaderboard colours ── */
.lb-gold{background:linear-gradient(135deg,#f2aa3a,#e67e22)!important}
.lb-silver{background:linear-gradient(135deg,#94a3b8,#64748b)!important}
.lb-bronze{background:linear-gradient(135deg,#cd7f32,#a0522d)!important}

/* ── Organisation badge ── */
.org-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:99px;
  font:700 11px var(--font);border:1.5px solid currentColor}

/* ============================================================
   DARK MODE
   ============================================================ */
[data-theme="dark"] {
  --bg:          #0f1117;
  --card:        #1a1f2e;
  --border:      #2d3748;
  --text:        #e2e8f0;
  --text-muted:  #718096;
  --primary:     #22a6b3;
  --sidebar-bg:  #111827;
  --topbar-bg:   #111827;
  --input-bg:    #1e2640;
  --table-stripe:#161b27;
  color-scheme: dark;
}
[data-theme="dark"] .sm-card,
[data-theme="dark"] .card             { background:var(--card);border-color:var(--border) }
[data-theme="dark"] .form-control     { background:var(--input-bg);border-color:var(--border);color:var(--text) }
[data-theme="dark"] .sm-table tbody tr:hover { background:var(--table-stripe) }
[data-theme="dark"] .login-bg         { background:linear-gradient(135deg,#0a0f1e,#1a2035) }
[data-theme="dark"] .login-card       { background:#1a1f2e;border:1px solid var(--border) }
[data-theme="dark"] .alert            { border-color:var(--border) }
[data-theme="dark"] .sm-sidebar       { background:#111827;border-color:#1e2640 }
[data-theme="dark"] .sm-topbar        { background:#111827;border-color:#1e2640 }
[data-theme="dark"] .formula-render   { background:#1e2640;color:#9fd7e0 }
[data-theme="dark"] .formula-card     { background:#1a1f2e }
[data-theme="dark"] .page-header      { background:transparent }
[data-theme="dark"] select.form-control option { background:#1e2640 }

/* Dark mode toggle button */
.dm-toggle {
  background:none;border:none;cursor:pointer;
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;transition:.2s;color:var(--text-muted)
}
.dm-toggle:hover { background:var(--border);color:var(--text) }

/* ── Login rate limit warning ─────────────────────────────── */
.login-locked { animation:shake .4s ease; }
@keyframes shake {
  0%,100%{transform:translateX(0)}
  20%,60%{transform:translateX(-6px)}
  40%,80%{transform:translateX(6px)}
}

/* ── NOTIFICATION BELL ──────────────────────────────────────────────────── */
.notif-wrap{position:relative}
.notif-bell{
  background:none;border:none;cursor:pointer;width:36px;height:36px;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--text-muted);transition:.15s;position:relative
}
.notif-bell:hover{background:var(--border);color:var(--text)}
.notif-count{
  position:absolute;top:2px;right:2px;min-width:16px;height:16px;border-radius:99px;
  background:var(--coral);color:#fff;font:700 9px var(--font);
  display:flex;align-items:center;justify-content:center;padding:0 3px;
  animation:badgePulse 2s ease infinite
}
.notif-dropdown{
  position:absolute;top:calc(100% + 8px);right:-8px;width:320px;
  background:var(--card);border-radius:14px;border:1.5px solid var(--border);
  box-shadow:0 16px 48px rgba(0,0,0,.15);z-index:600;display:none;overflow:hidden
}
.notif-dropdown.open{display:block;animation:calcSlideUp .2s ease}
.notif-header{display:flex;justify-content:space-between;align-items:center;
  padding:12px 16px;border-bottom:1px solid var(--border);font:700 13px var(--font)}
.notif-mark-all{background:none;border:none;color:var(--accent);font:600 11px var(--font);cursor:pointer}
.notif-item{display:flex;gap:10px;padding:10px 16px;text-decoration:none;color:var(--text);
  transition:.12s;border-bottom:1px solid var(--border);align-items:flex-start}
.notif-item:hover{background:var(--bg)}
.notif-unread{background:linear-gradient(90deg,#d4f1f408,transparent)}
.notif-unread::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);
  flex-shrink:0;margin-top:5px}
.notif-title{font:600 13px var(--font);margin-bottom:2px}
.notif-msg{font:11px var(--font);color:var(--text-muted);margin-bottom:2px}
.notif-time{font:10px var(--font);color:var(--text-muted)}
.notif-empty{text-align:center;padding:28px;color:var(--text-muted);font-size:12px}
.notif-all{display:block;text-align:center;padding:10px;color:var(--accent);
  font:600 12px var(--font);text-decoration:none;border-top:1px solid var(--border)}
.notif-all:hover{background:var(--bg)}

/* ── PROGRESS CERTIFICATE ───────────────────────────────────────────────── */
.cert-border{border:12px solid var(--primary);border-image:linear-gradient(45deg,#1a3a5c,#22a6b3,#5352a3,#f2aa3a) 1}
@media print{.cert-no-print{display:none!important}.cert-page{page-break-inside:avoid}}

/* ── STUDENT NOTES ───────────────────────────────────────────────────────── */
.lesson-notes-panel{
  position:fixed;right:0;top:60px;bottom:var(--bottom-nav-h,70px);width:320px;
  background:var(--card);border-left:2px solid var(--border);
  box-shadow:-8px 0 32px rgba(0,0,0,.1);z-index:300;
  transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column
}
.lesson-notes-panel.open{transform:translateX(0)}
.notes-header{padding:14px 16px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between}
.notes-body{flex:1;overflow-y:auto;padding:12px}
.notes-textarea{width:100%;border:none;outline:none;resize:none;
  font:13px var(--font);color:var(--text);background:transparent;line-height:1.7}
.notes-footer{padding:10px 14px;border-top:1px solid var(--border);display:flex;gap:8px}

/* ── DAILY CHALLENGE ───────────────────────────────────────────────────── */
.opt-label:hover{background:#f0fafa!important;border-color:var(--accent)!important}
[data-theme="dark"] .opt-label:hover{background:#1e2640!important}

/* ── STUDY TIMER ────────────────────────────────────────────────────────── */
.timer-mode-btn{
  padding:6px 12px;border-radius:8px;border:2px solid var(--border);
  background:#f8fafc;font:600 11px var(--font);cursor:pointer;transition:.15s;color:var(--text)
}
.timer-mode-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}
.timer-mode-btn:hover:not(.active){border-color:var(--accent);color:var(--accent)}
[data-theme="dark"] .timer-mode-btn{background:var(--input-bg)}

/* ── KEYBOARD SHORTCUT KBD ──────────────────────────────────────────────── */
kbd{
  background:var(--bg);border:1.5px solid var(--border);border-radius:5px;
  padding:2px 6px;font:700 11px monospace;color:var(--primary);display:inline-block
}

/* ── WHITEBOARD ─────────────────────────────────────────────────────────── */
#wb{touch-action:none;background:#fff!important}
[data-theme="dark"] #wb{background:#ffffff!important}

/* ── PRINT ──────────────────────────────────────────────────────────────── */
@media print {
  .sm-topbar,.sm-sidebar,.bottom-nav,.bigjoe-fab,
  .sm-calc-trigger,.sm-mkb-trigger,
  #smCalcPanel,#smMkbPanel,#notifWrap,
  .btn,.no-print { display:none!important }
  .sm-main { margin:0!important; padding:0!important }
  body { background:#fff!important }
}

/* ── WOW MOMENT ANIMATIONS ──────────────────────────────────────────────── */
@keyframes wowPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
@keyframes wowBounce{0%,100%{transform:translateY(0)}40%{transform:translateY(-12px)}70%{transform:translateY(-6px)}}
@keyframes wowGlow{0%,100%{box-shadow:0 0 0 rgba(242,170,58,.4)}50%{box-shadow:0 0 30px rgba(242,170,58,.7)}}

/* Grade badge animation on result reveal */
.grade-reveal{animation:wowBounce .6s cubic-bezier(.34,1.56,.64,1)}
.grade-glow{animation:wowGlow 2s ease infinite}

/* Streak fire animation */
.streak-fire{animation:wowPulse 1.2s ease infinite}

/* Milestone card */
.milestone-card{
  border:2px solid var(--amber);border-radius:16px;padding:16px;text-align:center;
  background:linear-gradient(135deg,#fff9ed,#fffef0);position:relative;overflow:hidden
}
.milestone-card::before{content:'';position:absolute;top:-20px;right:-20px;
  width:80px;height:80px;border-radius:50%;background:var(--amber);opacity:.1}

/* XP progress ring pulse */
.xp-ring-pulse{animation:wowPulse .8s ease}

/* Leaderboard rank badges */
.rank-1{background:linear-gradient(135deg,#f2aa3a,#e67e22);color:#fff}
.rank-2{background:linear-gradient(135deg,#94a3b8,#64748b);color:#fff}
.rank-3{background:linear-gradient(135deg,#cd7f32,#a0522d);color:#fff}