/* Bristol Language School — Design System */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}

:root{
  --navy-dark:#0F1D45;
  --navy:#1B2E6B;
  --navy-light:#2A3F8F;
  --navy-pale:#E8ECF8;
  --gold:#C9A84C;
  --gold-light:#E8D5A0;
  /* Cool mist canvas — calm academic admin */
  --bg:#F2F4F9;
  --surface:#FFFFFF;
  --surface-elevated:#F7F8FC;
  --border:#E4E8F2;
  --border-light:#EEF1F7;
  --text:#0F1D45;
  --text-muted:#6B7289;
  --text-light:#9AA1B5;
  --success:#2E7D52;
  --success-bg:#E8F5EE;
  --warning:#BA7517;
  --warning-bg:#FFF3E0;
  --danger:#E24B4A;
  --danger-bg:#FFE8E8;
  --info:#1B2E6B;
  --info-bg:#E8F0FF;
  --sidebar-width:240px;
  --topbar-height:64px;
  /* Tighter academic radius */
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:14px;
  --radius-xl:18px;
  /* Flatter, layered elevation */
  --shadow-sm:0 1px 2px rgba(15,29,69,0.04),0 2px 8px rgba(15,29,69,0.04);
  --shadow-md:0 2px 6px rgba(15,29,69,0.05),0 8px 24px rgba(15,29,69,0.06);
  --shadow-lg:0 4px 12px rgba(15,29,69,0.06),0 16px 40px rgba(15,29,69,0.1);
  --transition:0.18s ease;
  --font:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;
  --space-xs:4px;
  --space-sm:8px;
  --space-md:16px;
  --space-lg:24px;
  --space-xl:32px;
  /* Type scale */
  --text-xs:11px;
  --text-sm:12px;
  --text-base:13px;
  --text-md:14px;
  --text-lg:15px;
  --text-xl:17px;
  --text-2xl:24px;
  --text-stat:27px;
  --leading-tight:1.25;
  --leading-normal:1.5;
  --tracking-tight:-0.02em;
  --tracking-wide:0.06em;
  /* Brand indirection — overridden per school via applySchoolTheme() */
  --theme-primary:var(--navy);
  --theme-sidebar:var(--navy-dark);
  --theme-accent:var(--gold);
  --theme-avatar:var(--navy);
  --theme-on-primary:#FFFFFF;
  --theme-on-accent:var(--navy-dark);
  --focus-ring:0 0 0 3px color-mix(in srgb,var(--theme-primary) 22%,transparent);
  --hover-tint:color-mix(in srgb,var(--theme-primary) 4%,var(--surface));
}

html[data-theme="dark"]{
  color-scheme:dark;
  --bg:#080C16;
  --surface:#121A2A;
  --surface-elevated:#1A2438;
  --border:#243049;
  --border-light:#1C263A;
  --text:#EEF1FA;
  --text-muted:#94A3B8;
  --text-light:#64748B;
  --navy-pale:#1a2438;
  --info-bg:#152040;
  --success-bg:#0f2a1c;
  --warning-bg:#2a2010;
  --danger-bg:#2a1515;
  --shadow-sm:0 1px 2px rgba(0,0,0,0.3),0 2px 8px rgba(0,0,0,0.2);
  --shadow-md:0 2px 8px rgba(0,0,0,0.35),0 8px 24px rgba(0,0,0,0.3);
  --shadow-lg:0 4px 16px rgba(0,0,0,0.4),0 16px 40px rgba(0,0,0,0.45);
  --hover-tint:color-mix(in srgb,var(--theme-primary) 10%,var(--surface));
}

html.theme-switching,
html.theme-switching *{
  transition:background-color 0.35s ease,color 0.25s ease,border-color 0.35s ease,box-shadow 0.35s ease!important;
}

html[data-theme="dark"] .stat-card,
html[data-theme="dark"] .sec-card,
html[data-theme="dark"] .assign-card,
html[data-theme="dark"] .qa-card{
  background:var(--surface);
  border:1px solid var(--border);
}

html[data-theme="dark"] .sec-header{
  background:color-mix(in srgb,var(--surface-elevated) 70%,var(--bg));
}

html[data-theme="dark"] .data-table td{color:var(--text);}
html[data-theme="dark"] .data-table th{
  background:var(--surface-elevated);
  color:var(--text-muted);
}

html[data-theme="dark"] .welcome-bar{
  box-shadow:0 8px 32px rgba(0,0,0,0.4);
}

html[data-theme="dark"] .login-right{background:var(--surface);}
html[data-theme="dark"] .login-hint{
  background:color-mix(in srgb,var(--navy) 12%,var(--surface));
  border-color:var(--border);
  color:var(--text-muted);
}

html[data-theme="dark"] .fg input{
  background:var(--bg);
  border-color:var(--border);
  color:var(--text);
}

html[data-theme="dark"] .tab-switch{background:var(--bg);}
html[data-theme="dark"] .tab-btn.active{background:var(--surface);color:var(--text);}

html[data-theme="dark"] .action-btn,
html[data-theme="dark"] .form-control,
html[data-theme="dark"] .modal,
html[data-theme="dark"] .assign-card,
html[data-theme="dark"] .msg-layout,
html[data-theme="dark"] .child-card,
html[data-theme="dark"] .filter-chip,
html[data-theme="dark"] .portal-card,
html[data-theme="dark"] .login-right,
html[data-theme="dark"] .pwa-onboard-modal{background:var(--surface);color:var(--text);}

html[data-theme="dark"] .form-control{background:var(--bg);border-color:var(--border);color:var(--text);}
html[data-theme="dark"] .form-control:focus{background:var(--surface);}
html[data-theme="dark"] .data-table tr:hover td{background:var(--hover-tint);}
html[data-theme="dark"] .list-item:hover{background:var(--hover-tint);}
html[data-theme="dark"] .tb-icon{background:var(--border-light);color:var(--text-muted);}
html[data-theme="dark"] .menu-toggle{background:var(--border-light);color:var(--text);}
html[data-theme="dark"] .portal-card h3{color:var(--text);}
html[data-theme="dark"] .portal-card p{color:var(--text-muted);}
html[data-theme="dark"] .notif-dot{border-color:var(--surface);}

html{font-size:16px;-webkit-text-size-adjust:100%;}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;line-height:var(--leading-normal);}
body.dashboard-layout{display:flex;min-height:100vh;overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:var(--text-md);}

/* Unified keyboard focus (components refine further in polish.css) */
:focus{outline:none;}
:focus-visible{outline:none;box-shadow:var(--focus-ring);}

/* ===== SIDEBAR ===== */
.sb-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:99;opacity:0;transition:opacity var(--transition);}
.sb-overlay.show{display:block;opacity:1;}
.sidebar{width:var(--sidebar-width);background:var(--theme-sidebar);display:flex;flex-direction:column;flex-shrink:0;position:fixed;height:100vh;overflow-y:auto;z-index:100;transition:transform 0.3s ease;}
.sb-logo{padding:20px;border-bottom:1px solid rgba(255,255,255,0.08);display:flex;align-items:center;gap:10px;}
.sb-logo-box{width:38px;height:38px;background:white;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;}
.sb-logo-box img{width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;padding:2px;box-sizing:border-box;display:block;}

/* ===== Custom locked-down YouTube player (assets/js/player.js) ===== */
.blsp-video{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:12px;overflow:hidden;}
/* Real fullscreen (Android/desktop): fill the screen, drop the 16:9 box. */
.blsp-video:fullscreen{width:100vw;height:100vh;aspect-ratio:auto;border-radius:0;}
.blsp-video:-webkit-full-screen{width:100vw;height:100vh;border-radius:0;}
/* Fallback "fake" fullscreen (iOS / unsupported): fixed to the whole viewport. */
.blsp-video.blsp-fsfake{position:fixed;inset:0;width:100vw;height:100vh;aspect-ratio:auto;border-radius:0;z-index:100000;}
.blsp-yt{position:absolute;inset:0;overflow:hidden;background:#000;}
.blsp-yt-inner{position:absolute;top:-7%;left:-4%;width:108%;height:114%;pointer-events:none;}
/* YouTube replaces the inner div with an iframe — crop edges to hide branding. */
.blsp-video iframe{position:absolute;inset:0;width:100%!important;height:100%!important;border:0;pointer-events:none!important;}
.blsp-yt-mask-top,.blsp-yt-mask-bottom{position:absolute;left:0;right:0;z-index:4;pointer-events:none;opacity:0;transition:opacity .2s ease;}
.blsp-yt-mask-top{top:0;height:14%;background:linear-gradient(to bottom,rgba(0,0,0,.92) 35%,rgba(0,0,0,0));}
.blsp-yt-mask-bottom{bottom:0;height:22%;background:linear-gradient(to top,rgba(0,0,0,.98) 45%,rgba(0,0,0,0));}
.blsp-mode-yt.blsp-yt-playing .blsp-yt-mask-top,
.blsp-mode-yt.blsp-yt-playing .blsp-yt-mask-bottom,
.blsp-mode-yt.blsp-near-end .blsp-yt-mask-bottom{opacity:1;}
.blsp-mode-yt.blsp-near-end .blsp-shield{opacity:1;pointer-events:auto;}
.blsp-mode-yt.blsp-near-end .blsp-shield.show{opacity:1;}
.blsp-mode-yt.blsp-near-end .blsp-shield:not(.show){opacity:.88;pointer-events:none;}
.blsp-overlay{position:absolute;inset:0;z-index:7;cursor:pointer;background:transparent;}
.blsp-shield{position:absolute;inset:0;z-index:6;background:#000;opacity:0;pointer-events:none;transition:opacity .2s ease;}
.blsp-shield.show{opacity:1;pointer-events:auto;}
.blsp-top{position:absolute;top:0;left:0;right:0;height:72px;z-index:5;pointer-events:none;background:linear-gradient(to bottom,rgba(0,0,0,.55),rgba(0,0,0,0));}
.blsp-video.blsp-shielded .blsp-top{height:100%;background:#000;}
.blsp-bigplay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:4;width:72px;height:72px;border-radius:50%;border:none;background:rgba(15,29,69,.85);color:#fff;font-size:34px;display:flex;align-items:center;justify-content:center;cursor:pointer;}
.blsp-bigplay.hide{display:none;}
.blsp-video.blsp-shielded .blsp-bigplay{z-index:9;}
.blsp-ctrls{position:absolute;left:0;right:0;bottom:0;z-index:8;display:flex;align-items:center;gap:10px;padding:8px 12px;background:linear-gradient(to top,rgba(0,0,0,.65),rgba(0,0,0,0));}
.blsp-btn{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;padding:4px;}
.blsp-seek{flex:1;height:4px;cursor:pointer;accent-color:#C9A84C;}
.blsp-time{color:#fff;font-size:12px;font-variant-numeric:tabular-nums;min-width:38px;text-align:center;}
.blsp-yt iframe,.blsp-yt iframe *{pointer-events:none!important;}
.blsp-native{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000;display:none;}
.blsp-video.blsp-mode-image{aspect-ratio:4/3;max-height:78vh;}
.blsp-image-wrap{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#000;padding:8px;}
.blsp-img{max-width:100%;max-height:100%;object-fit:contain;}
.blsp-ctrls-image{justify-content:flex-end;}
.blsp-ctrls-image .blsp-dl{font-size:13px;gap:6px;}
.blsp-video:not(.blsp-ready) .blsp-ctrls,.blsp-video:not(.blsp-ready) .blsp-bigplay{opacity:.45;pointer-events:none;}
.blsp-error{color:#fff;padding:24px;text-align:center;font-size:14px;}
.bls-video-modal{display:none;position:fixed;inset:0;z-index:100001;background:rgba(0,0,0,.88);align-items:center;justify-content:center;padding:16px;}
.bls-video-modal-inner{width:100%;max-width:920px;background:var(--card-bg,#fff);border-radius:16px;overflow:hidden;box-shadow:0 24px 64px rgba(0,0,0,.35);}
.bls-video-modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border,#E8ECF4);}
.bls-video-modal-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.bls-video-modal-head h4{margin:0;font-size:15px;font-weight:700;flex:1;min-width:0;}
#bls-video-mount{padding:0;background:#000;}
.bls-video-note{margin:0;padding:10px 16px 14px;font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:6px;}
body.bls-video-open{overflow:hidden;}
.sb-logo-text h3{color:white;font-size:14px;font-weight:800;letter-spacing:1.5px;}
.sb-logo-text p{color:rgba(255,255,255,0.3);font-size:9px;letter-spacing:2px;}
.sb-user{padding:16px 20px;border-bottom:1px solid rgba(255,255,255,0.08);}
.sb-avatar{width:46px;height:46px;border-radius:50%;background:var(--theme-avatar);border:2px solid rgba(255,255,255,0.12);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:white;margin-bottom:9px;}
.sb-user h4{color:white;font-size:13px;font-weight:600;}
.sb-user p{color:rgba(255,255,255,0.38);font-size:11px;}
.role-badge,.grade-badge{display:inline-block;padding:2px 9px;border-radius:var(--radius-sm);font-size:10px;font-weight:700;margin-top:5px;}
.sb-nav{flex:1;padding:14px 0;}
.sb-sec{padding:0 12px 10px;}
.sb-sec-title{font-size:9px;font-weight:700;color:rgba(255,255,255,0.22);letter-spacing:2px;padding:0 8px 6px;}
.sb-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:var(--radius-sm);color:rgba(255,255,255,0.52);font-size:13px;margin-bottom:2px;transition:background var(--transition),color var(--transition);min-height:44px;}
.sb-item:hover{background:rgba(255,255,255,0.07);color:white;}
.sb-item.active{background:rgba(255,255,255,0.11);color:white;font-weight:600;}
.sb-item i{font-size:18px;flex-shrink:0;width:20px;text-align:center;}
.sb-badge{margin-left:auto;background:var(--theme-accent);color:var(--theme-on-accent);min-width:19px;height:19px;padding:0 5px;border-radius:10px;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.sb-logout{padding:16px 20px;border-top:1px solid rgba(255,255,255,0.08);}
.sb-lang{padding:14px 16px 8px;border-top:1px solid rgba(255,255,255,0.08);}
.sb-lang .sb-sec-title{margin-bottom:10px;}
.sb-lang-row{display:flex;gap:8px;}
.sb-lang-btn{
  flex:1;border:1px solid rgba(255,255,255,0.2);background:rgba(255,255,255,0.06);
  color:#fff;border-radius:10px;padding:10px 8px;font-size:12px;font-weight:800;
  cursor:pointer;min-height:42px;transition:background .2s,border-color .2s,color .2s;
}
.sb-lang-btn.active{background:var(--gold);border-color:var(--gold);color:#1a1400;}
.sb-lang-btn:hover:not(.active){background:rgba(255,255,255,0.12);}
.logout-btn{display:flex;align-items:center;gap:9px;color:rgba(255,255,255,0.38);font-size:13px;min-height:44px;}
.logout-btn:hover{color:white;}
.logout-btn i{font-size:18px;}

/* ===== MAIN LAYOUT ===== */
.main{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column;min-width:0;}
.topbar{background:var(--surface);padding:14px 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;gap:var(--space-md);min-height:var(--topbar-height);}
.topbar-left{display:flex;align-items:center;gap:12px;flex:1;min-width:0;}
.topbar h2{font-size:var(--text-xl);font-weight:800;letter-spacing:var(--tracking-tight);color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar p{font-size:var(--text-xs);color:var(--text-muted);}
.tb-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.menu-toggle{display:none;width:44px;height:44px;background:var(--bg);border-radius:var(--radius-sm);border:none;align-items:center;justify-content:center;font-size:20px;color:#555;flex-shrink:0;}
.tb-icon{width:44px;height:44px;background:var(--bg);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-muted);cursor:pointer;position:relative;transition:background var(--transition);}
.tb-icon:hover{background:var(--border);}
.notif-dot{position:absolute;top:8px;right:8px;width:8px;height:8px;background:var(--danger);border-radius:50%;border:2px solid white;}
.content{padding:22px 28px;flex:1;}

/* ===== CARDS ===== */
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px 18px;transition:box-shadow var(--transition),transform var(--transition);}
.stat-card:hover{box-shadow:var(--shadow-sm);}
.sc-icon{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:11px;}
.stat-card h4{font-size:var(--text-stat);font-weight:800;letter-spacing:var(--tracking-tight);font-variant-numeric:tabular-nums;color:var(--text);}
.stat-card p{font-size:var(--text-xs);color:var(--text-muted);margin-top:2px;}
.stat-trend{font-size:10px;margin-top:4px;display:flex;align-items:center;gap:3px;}
.trend-up{color:var(--success);}
.trend-down{color:var(--danger);}
.sec-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:18px;}
.sec-card:last-child{margin-bottom:0;}
.sec-header{padding:15px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;}
.sec-header h4{font-size:var(--text-lg);font-weight:800;letter-spacing:var(--tracking-tight);color:var(--text);}
.sec-header .link{color:var(--theme-primary);font-size:var(--text-xs);font-weight:700;cursor:pointer;background:none;border:none;}
.sec-header .link:hover{text-decoration:underline;}
.welcome-bar{background:linear-gradient(135deg,var(--theme-primary) 0%,color-mix(in srgb,var(--theme-primary) 78%,#000) 100%);border-radius:var(--radius-lg);padding:22px 26px;display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;gap:16px;}
.welcome-bar h3{color:var(--theme-on-primary);font-size:var(--text-2xl);font-weight:800;letter-spacing:var(--tracking-tight);margin-bottom:5px;line-height:var(--leading-tight);}
.welcome-bar p{color:color-mix(in srgb,var(--theme-on-primary) 65%,transparent);font-size:var(--text-sm);}
.welcome-stats{display:flex;gap:24px;}
.w-stat{text-align:center;}
.w-stat h4{color:var(--theme-accent);font-size:var(--text-stat);font-weight:800;font-variant-numeric:tabular-nums;}
.w-stat p{color:color-mix(in srgb,var(--theme-on-primary) 50%,transparent);font-size:10px;letter-spacing:var(--tracking-wide);}

/* ===== GRIDS ===== */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:18px;}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 18px;border-radius:var(--radius-sm);font-size:var(--text-base);font-weight:700;border:none;cursor:pointer;transition:background var(--transition),box-shadow var(--transition),filter var(--transition),transform var(--transition);min-height:44px;}
.btn-primary{background:var(--theme-primary);color:var(--theme-on-primary);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);}
.btn-gold{background:var(--theme-accent);color:var(--theme-on-accent);}
.btn-gold:hover{filter:brightness(1.05);}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text);}
.btn-outline:hover{background:var(--bg);}
.btn-danger{background:var(--danger);color:white;}
.btn-sm{padding:6px 12px;font-size:var(--text-xs);min-height:36px;}
.btn-block{width:100%;}
.action-btn{width:32px;height:32px;border:1px solid var(--border);border-radius:var(--radius-sm);display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-muted);cursor:pointer;background:var(--surface);transition:background var(--transition),box-shadow var(--transition);}
.action-btn:hover{background:var(--bg);color:var(--text);}

/* ===== BADGES ===== */
.status-badge,.tag{padding:3px 10px;border-radius:var(--radius-sm);font-size:10px;font-weight:700;display:inline-block;}
.s-active,.tag-done,.present{background:var(--success-bg);color:var(--success);}
.s-pending,.tag-due{background:var(--warning-bg);color:var(--warning);}
.s-inactive,.absent,.tag-late{background:var(--danger-bg);color:var(--danger);}
.tag-new{background:var(--info-bg);color:var(--info);}
.tag-info{background:var(--info-bg);color:var(--info);}

/* ===== TABLES (School Ledger base — polish.css adds signature) ===== */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.data-table{width:100%;border-collapse:collapse;min-width:500px;}
.data-table th{padding:11px 18px;text-align:left;font-size:var(--text-xs);font-weight:700;color:var(--text-muted);letter-spacing:var(--tracking-wide);text-transform:uppercase;border-bottom:1px solid var(--border);white-space:nowrap;}
.data-table td{padding:13px 18px;font-size:var(--text-base);font-weight:500;color:var(--text);border-bottom:1px solid var(--border-light);font-variant-numeric:tabular-nums;}
.data-table tr:last-child td{border-bottom:none;}
.data-table tr:hover td{background:var(--hover-tint);}
.data-table td:first-child{font-weight:600;}

/* ===== FORMS ===== */
.form-group{margin-bottom:18px;}
.form-group label{display:block;font-size:var(--text-sm);font-weight:700;color:var(--text-muted);margin-bottom:7px;letter-spacing:var(--tracking-wide);text-transform:uppercase;}
.form-control{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:var(--text-md);color:var(--text);background:var(--bg);outline:none;transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);min-height:44px;}
.form-control:focus,.form-control:focus-visible{border-color:var(--theme-primary);background:var(--surface);box-shadow:var(--focus-ring);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-hint{font-size:11px;color:var(--text-muted);margin-top:4px;}
.input-icon-wrap{position:relative;}
.input-icon-wrap i{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:17px;color:#BBB;}
.input-icon-wrap .form-control{padding-left:42px;}
select.form-control{cursor:pointer;}

/* ===== MODALS ===== */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:200;align-items:center;justify-content:center;padding:16px;}
.modal-overlay.show{display:flex;}
.modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:modalIn 0.25s ease;}
@keyframes modalIn{from{opacity:0;transform:scale(0.95);}to{opacity:1;transform:scale(1);}}
.modal-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;}
.modal-header h3{font-size:16px;font-weight:700;}
.modal-close{width:36px;height:36px;border:none;background:var(--bg);border-radius:var(--radius-sm);font-size:18px;cursor:pointer;}
.modal-body{padding:22px;}
.modal-footer{padding:16px 22px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end;}

/* ===== Toasts ===== */
.toast-container{
  position:fixed;top:20px;right:20px;z-index:300;
  display:flex;flex-direction:column;gap:10px;max-width:360px;
  pointer-events:none;
}
.toast-container .toast{pointer-events:auto;}
.toast{
  padding:14px 18px;border-radius:var(--radius-md);font-size:13px;font-weight:600;color:white;
  box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;
  position:relative;overflow:hidden;cursor:pointer;
  animation:toastSlideIn 0.4s cubic-bezier(0.22,1,0.36,1) both;
  border:1px solid rgba(255,255,255,0.12);
}
.toast.toast-exit{animation:toastSlideOut 0.35s ease forwards;}
.toast::after{
  content:'';position:absolute;bottom:0;left:0;height:3px;width:100%;
  background:rgba(255,255,255,0.35);transform-origin:left;
  animation:toastProgress 4s linear forwards;
}
@keyframes toastSlideIn{
  from{opacity:0;transform:translateX(100%) scale(0.92);}
  to{opacity:1;transform:translateX(0) scale(1);}
}
@keyframes toastSlideOut{
  to{opacity:0;transform:translateX(100%) scale(0.9);}
}
@keyframes toastProgress{from{transform:scaleX(1);}to{transform:scaleX(0);}}
.toast-success{background:linear-gradient(135deg,#2E7D52,#3d9968);}
.toast-error{background:linear-gradient(135deg,#C62828,#E24B4A);}
.toast-info{background:linear-gradient(135deg,var(--navy-dark),var(--navy));}
.toast i{font-size:18px;opacity:0.95;}

/* ===== EMPTY & SKELETON ===== */
.empty-state{text-align:center;padding:48px 24px;}
.empty-state i{font-size:48px;color:var(--border);margin-bottom:16px;display:block;}
.empty-state h4{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--text);}
.empty-state p{font-size:13px;color:var(--text-muted);margin-bottom:20px;}
.skeleton{background:linear-gradient(90deg,#EEF0FA 25%,#F8F9FC 50%,#EEF0FA 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm);}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}
.skeleton-line{height:14px;margin-bottom:10px;}
.skeleton-card{height:120px;border-radius:var(--radius-md);}

/* ===== LIST ITEMS ===== */
.list-item{padding:12px 20px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:13px;transition:background var(--transition);cursor:pointer;}
.list-item:last-child{border-bottom:none;}
.list-item:hover{background:var(--hover-tint);}
.li-icon{width:38px;height:38px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;}
.li-info{flex:1;min-width:0;}
.li-info h5{font-size:var(--text-base);font-weight:600;color:var(--text);}
.li-info p{font-size:var(--text-xs);color:var(--text-muted);}

/* ===== PROGRESS ===== */
.prog-item{padding:13px 20px;border-bottom:1px solid var(--border-light);}
.prog-item:last-child{border-bottom:none;}
.pt{display:flex;justify-content:space-between;margin-bottom:7px;}
.pt h5{font-size:12px;font-weight:600;color:var(--text);}
.pt span{font-size:12px;font-weight:800;color:var(--theme-primary);}
.prog-bar{height:7px;background:#EEF0FA;border-radius:4px;overflow:hidden;}
.prog-fill{height:100%;border-radius:4px;transition:width 0.5s ease;}

/* ===== FILTERS ===== */
.filter-bar{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap;align-items:center;}
.filter-chip{padding:8px 16px;border-radius:20px;font-size:12px;font-weight:600;border:1px solid var(--border);background:var(--surface);cursor:pointer;transition:all var(--transition);min-height:36px;}
.filter-chip.active,.filter-chip:hover{background:var(--theme-primary);color:var(--theme-on-primary);border-color:var(--theme-primary);}
.search-box{position:relative;flex:1;min-width:200px;max-width:320px;}
.search-box i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);}
.search-box input{width:100%;padding:10px 14px 10px 38px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:var(--text-base);outline:none;min-height:44px;}
.search-box input:focus,.search-box input:focus-visible{border-color:var(--theme-primary);box-shadow:var(--focus-ring);}

/* ===== CHARTS ===== */
.chart-area{padding:20px;height:180px;display:flex;align-items:flex-end;gap:8px;}
.bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;gap:5px;min-width:0;}
.bar{width:100%;border-radius:4px 4px 0 0;transition:height 0.5s ease;min-height:4px;}
.bar-label{font-size:9px;color:var(--text-light);letter-spacing:0.5px;}
.bar-val{font-size:10px;font-weight:700;color:#555;}
.attendance-chart{display:flex;gap:6px;align-items:flex-end;height:120px;padding:16px 20px;}
.att-day{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;}
.att-bar{width:100%;border-radius:4px 4px 0 0;max-height:80px;}

/* ===== ASSIGNMENT CARDS ===== */
.assign-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;}
.assign-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;transition:box-shadow var(--transition),transform var(--transition);}
.assign-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.assign-card h5{font-size:14px;font-weight:700;margin-bottom:6px;color:var(--text);}
.assign-card .meta{font-size:11px;color:var(--text-muted);margin-bottom:12px;}
.assign-card .due{font-size:12px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:6px;}

/* ===== MESSAGES ===== */
.msg-layout{display:grid;grid-template-columns:320px 1fr;gap:0;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);min-height:480px;}
.msg-list{border-right:1px solid var(--border);overflow-y:auto;}
.msg-item{padding:14px 16px;border-bottom:1px solid var(--border-light);cursor:pointer;transition:background var(--transition);}
.msg-item:hover,.msg-item.active{background:var(--bg);}
.msg-item.unread{background:rgba(27,46,107,0.04);}
.msg-detail{padding:24px;display:flex;flex-direction:column;}
.msg-detail-header{border-bottom:1px solid var(--border);padding-bottom:16px;margin-bottom:16px;}
.msg-bubble{background:var(--bg);padding:14px 18px;border-radius:var(--radius-md);margin-bottom:12px;font-size:13px;line-height:1.6;}

/* ===== CHILD SWITCH (Parent) ===== */
.child-switch{display:flex;gap:12px;margin-bottom:22px;flex-wrap:wrap;}
.child-card{background:white;border:2px solid var(--border);border-radius:11px;padding:13px 18px;cursor:pointer;display:flex;align-items:center;gap:11px;min-width:170px;transition:border-color var(--transition),box-shadow var(--transition);min-height:44px;}
.child-card:hover{box-shadow:var(--shadow-sm);}
.child-card.active{border-color:var(--theme-primary);box-shadow:0 0 0 3px rgba(46,125,82,0.15);}
.child-av{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:white;flex-shrink:0;}
.child-info h5{font-size:12px;font-weight:700;}
.child-info p{font-size:10px;color:var(--text-muted);}
.child-grade{font-size:14px;font-weight:800;margin-left:auto;}

/* ===== UPLOAD ZONE ===== */
.upload-zone{margin:16px 20px;border:2px dashed #D0D8F5;border-radius:11px;padding:32px;text-align:center;cursor:pointer;transition:border-color var(--transition),background var(--transition);}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--theme-primary);background:rgba(27,46,107,0.03);}
.upload-zone i{font-size:40px;color:var(--theme-primary);margin-bottom:12px;display:block;}

/* ===== PWA BANNER (legacy small banner — kept for update notices) ===== */
.pwa-banner{position:fixed;bottom:0;left:0;right:0;background:var(--navy-dark);color:white;padding:14px 20px;display:none;align-items:center;justify-content:space-between;gap:16px;z-index:250;box-shadow:0 -4px 20px rgba(0,0,0,0.2);}
.pwa-banner.show{display:flex;}
.pwa-banner p{font-size:13px;flex:1;}
.pwa-banner .btn-sm{min-height:36px;}

/* ===== PWA / NOTIFICATION ONBOARDING (mobile full-screen) ===== */
.pwa-onboard-overlay{position:fixed;inset:0;background:rgba(10,15,30,0.92);z-index:9999;display:flex;align-items:center;justify-content:center;padding:16px;overflow-y:auto;}
.pwa-onboard-modal{background:#fff;border-radius:18px;max-width:420px;width:100%;box-shadow:0 24px 60px rgba(0,0,0,0.35);overflow:hidden;animation:pwaSlideUp .35s ease;}
@keyframes pwaSlideUp{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:translateY(0);}}
.pwa-onboard-head{background:linear-gradient(160deg,var(--navy-dark),var(--navy));color:#fff;padding:22px 20px;text-align:center;}
.pwa-onboard-head .pwa-icon{width:56px;height:56px;background:#fff;border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin:0 auto 12px;box-shadow:0 2px 8px rgba(0,0,0,.12);}
.pwa-onboard-head .pwa-icon img{width:100%;height:100%;object-fit:contain;padding:4px;display:block;}
.pwa-onboard-head .pwa-icon i{font-size:28px;color:var(--navy-dark);}
.pwa-onboard-head h3{font-size:18px;font-weight:800;margin-bottom:4px;}
.pwa-onboard-head p{font-size:12px;opacity:.85;line-height:1.5;}
.pwa-device-badge{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  padding:5px 12px;border-radius:999px;font-size:11px;font-weight:700;
  background:rgba(255,255,255,.16);color:#fff;letter-spacing:.02em;
}
.pwa-device-badge i{font-size:14px;}
.pwa-onboard-body{padding:20px;}
.pwa-onboard-steps{list-style:none;margin:0;padding:0;}
.pwa-onboard-steps li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed #E8ECF4;font-size:13px;color:#444;line-height:1.5;}
.pwa-onboard-steps li:last-child{border-bottom:none;}
.pwa-onboard-steps .step-num{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--navy-dark);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;}
.pwa-onboard-note{background:#FFF8E6;border:1px solid #F0DFA8;border-radius:10px;padding:12px 14px;font-size:12px;color:#7A5E12;margin-top:12px;line-height:1.55;}
.pwa-onboard-actions{display:flex;flex-direction:column;gap:10px;margin-top:18px;}
.pwa-onboard-actions .btn{width:100%;min-height:48px;font-size:14px;font-weight:800;}
.pwa-onboard-actions .btn-ghost{background:transparent;border:none;color:var(--text-muted);font-size:12px;padding:8px;cursor:pointer;text-decoration:underline;}
body.pwa-onboard-lock{overflow:hidden;}

/* ===== PORTAL PAGE ===== */
body.portal-page{background:var(--bg);min-height:100vh;}
.portal-topbar{background:var(--navy-dark);padding:12px 40px;display:flex;align-items:center;justify-content:space-between;}
.portal-hero{background:linear-gradient(135deg,var(--navy-dark) 0%,var(--navy) 50%,var(--navy-light) 100%);padding:70px 40px 90px;text-align:center;}
.portals-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:960px;margin:0 auto;}
.portal-card{background:var(--surface);border-radius:var(--radius-lg);padding:34px 26px;text-align:center;border:1px solid var(--border);cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden;}
.portal-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;}
.portal-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}

/* ===== LOGIN ===== */
.login-wrapper{display:grid;grid-template-columns:1fr 1fr;min-height:100vh;}
.login-left{background:linear-gradient(160deg,var(--navy-dark) 0%,var(--navy) 40%,var(--navy-light) 100%);padding:50px 48px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;}
.login-right{background:white;padding:50px 52px;display:flex;flex-direction:column;justify-content:center;}

/* ===== UTILITIES ===== */
.text-muted{color:var(--text-muted);}
.text-success{color:var(--success);}
.text-danger{color:var(--danger);}
.text-center{text-align:center;}
.mb-0{margin-bottom:0!important;}
.mb-md{margin-bottom:16px;}
.mb-lg{margin-bottom:24px;}
.mt-md{margin-top:16px;}
.flex-between{display:flex;justify-content:space-between;align-items:center;}
.gap-sm{gap:8px;}
.hide-mobile{display:table-cell;}
.hide-tablet{display:block;}

/* ===== RESPONSIVE ===== */
@media(max-width:1023px){
  .grid-3{grid-template-columns:1fr 1fr;}
  .msg-layout{grid-template-columns:1fr;}
  .msg-list{max-height:240px;border-right:none;border-bottom:1px solid var(--border);}
}
@media(max-width:767px){
  .sidebar{transform:translateX(-100%);}
  .sidebar.open{transform:translateX(0);}
  html[dir="rtl"] .sidebar{transform:translateX(100%);}
  html[dir="rtl"] .sidebar.open{transform:translateX(0);}
  .main{margin-left:0;}
  html[dir="rtl"] .main{margin-right:0;}
  .menu-toggle{display:flex;}
  .topbar{padding:12px 16px;}
  .topbar h2{font-size:14px;}
  .content{padding:14px 16px;}
  .stats-row{grid-template-columns:1fr 1fr;gap:10px;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .welcome-bar{flex-direction:column;text-align:center;}
  .welcome-stats{justify-content:space-around;width:100%;}
  .stat-card h4{font-size:20px;}
  .form-row{grid-template-columns:1fr;}
  .hide-mobile{display:none!important;}
  .filter-bar .btn-block-mobile{width:100%;}
  .portals-grid{grid-template-columns:1fr;}
  .login-wrapper{grid-template-columns:1fr;}
  .login-right{padding:32px 24px;min-height:auto;}
  .portal-topbar{padding:10px 16px;}
  .portal-hero{padding:40px 16px 70px;}
  .modal-footer{flex-direction:column;}
  .modal-footer .btn{width:100%;}
  .child-switch{overflow-x:auto;flex-wrap:nowrap;padding-bottom:8px;}
  .assign-grid{grid-template-columns:1fr;}
}
@media(max-width:480px){
  html{font-size:15px;}
  .stats-row{grid-template-columns:1fr;}
  .stat-card{padding:12px;}
  .stat-card h4{font-size:18px;}
  .content{padding:12px;}
  .login-right{padding:24px 16px;}
  .toast-container{left:16px;right:16px;max-width:none;}
  .pwa-banner{flex-direction:column;text-align:center;}
}

/* ===== PWA / Mobile app feel ===== */
html{-webkit-tap-highlight-color:transparent;}
body.dashboard-layout{overscroll-behavior-y:none;}
body.dashboard-layout .content{overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;}
body.pwa-standalone.dashboard-layout .main{padding-bottom:env(safe-area-inset-bottom,0);}
body.pwa-standalone .sidebar{padding-top:env(safe-area-inset-top,0);}
/* Sticky topbars clear the iPhone notch (Safari + installed PWA) */
@media(max-width:767px){
  .topbar{
    padding-top:max(12px, calc(8px + env(safe-area-inset-top, 0px)));
    padding-left:max(16px, env(safe-area-inset-left, 0px));
    padding-right:max(16px, env(safe-area-inset-right, 0px));
  }
  .portal-topbar{
    padding-top:max(14px, calc(10px + env(safe-area-inset-top, 0px))) !important;
  }
  body.login-safe,
  body:has(.login-wrapper){
    padding-top:env(safe-area-inset-top, 0px);
  }
  .login-wrapper{
    margin-top:max(12px, env(safe-area-inset-top, 0px));
  }
}
body.pwa-standalone .topbar{
  padding-top:max(12px, calc(8px + env(safe-area-inset-top, 0px)));
  padding-left:max(16px, env(safe-area-inset-left, 0));
  padding-right:max(16px, env(safe-area-inset-right, 0));
}
body.pwa-standalone .content{
  padding-left:max(16px, env(safe-area-inset-left, 0));
  padding-right:max(16px, env(safe-area-inset-right, 0));
}
body.pwa-standalone .pwa-onboard-overlay{padding:env(safe-area-inset-top,0) env(safe-area-inset-right,0) env(safe-area-inset-bottom,0) env(safe-area-inset-left,0);}
body.bls-syncing .topbar{position:relative;}
body.bls-syncing .topbar::after{
  content:'';position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  animation:bls-sync-bar 0.7s ease;
}
@keyframes bls-sync-bar{0%{opacity:0;transform:scaleX(0.2);}40%{opacity:1;transform:scaleX(1);}100%{opacity:0;}}
@media(max-width:767px){
  body.pwa-standalone .tb-icon,body.pwa-standalone .menu-toggle{min-width:44px;min-height:44px;}
  body.pwa-standalone .modal-overlay{align-items:flex-end;}
  body.pwa-standalone .modal{border-radius:16px 16px 0 0;max-height:92vh;margin-bottom:0;}
}

/* ===== Language switcher ===== */
html[dir="rtl"] .main{
  margin-left:0;
  margin-right:var(--sidebar-width);
}
html[dir="rtl"] .msg-list{border-right:none;border-left:1px solid var(--border);}
html[dir="rtl"] .sb-badge{margin-left:0;margin-right:auto;}
html[dir="rtl"] .sidebar .sb-item,
html[dir="rtl"] .bls-mobile-bar a{
  font-family:system-ui,-apple-system,'Segoe UI',Tahoma,sans-serif;
}
html[data-lang="ar"] .i18n-en{display:none!important;}
html[data-lang="en"] .i18n-ar,
html:not([data-lang]) .i18n-ar{display:none!important;}

.bls-lang-switch{
  position:fixed;
  top:calc(10px + env(safe-area-inset-top, 0px));
  inset-inline-end:12px;
  z-index:9200;
  display:none;
  align-items:center;
  gap:4px;
  padding:3px;
  border-radius:999px;
  background:rgba(15,29,69,0.88);
  border:1px solid rgba(201,168,76,0.35);
  box-shadow:0 8px 24px rgba(0,0,0,0.28);
  backdrop-filter:blur(8px);
}
.bls-lang-btn{
  border:none;
  background:transparent;
  color:#fff;
  font-size:12px;
  font-weight:800;
  letter-spacing:0.3px;
  padding:7px 12px;
  border-radius:999px;
  min-height:34px;
  cursor:pointer;
  font-family:var(--font);
}
.bls-lang-btn.active{
  background:var(--gold);
  color:#1a1400;
}
@media(max-width:767px){
  body:not(.dashboard-layout):not(.portal-page) .bls-lang-switch{display:flex;}
  /* Login pages: keep float clear of form top — under status bar, left side */
  body:not(.dashboard-layout):not(.portal-page) .bls-lang-switch{
    inset-inline-end:auto;
    inset-inline-start:12px;
    top:calc(12px + env(safe-area-inset-top, 0px));
  }
}

/* ===== PWA boot splash (iPhone + Android home-screen launch) ===== */
#bls-boot-splash{
  position:fixed;inset:0;z-index:100000;
  background:#0F1D45;
  display:flex;align-items:center;justify-content:center;
  opacity:1;transition:opacity .25s ease;
  pointer-events:none;
}
#bls-boot-splash picture,
#bls-boot-splash img{
  width:100%;height:100%;
  object-fit:cover;object-position:center;
  display:block;
}
#bls-boot-splash.is-hiding{opacity:0;}

/* School photo strip — mobile dashboards / inner pages */
.bls-mobile-brand{display:none;}
@media(max-width:767px){
  .bls-mobile-brand{
    display:block;
    position:relative;
    width:100%;
    aspect-ratio:3 / 2;
    max-height:160px;
    height:auto;
    margin:0 0 14px;
    border-radius:16px;
    overflow:hidden;
    background:#0F1D45;
    box-shadow:0 10px 28px -14px rgba(15,29,69,0.45);
  }
  .bls-mobile-brand picture,
  .bls-mobile-brand img{
    width:100%;height:100%;
    object-fit:cover;
    object-position:center center;
    display:block;
  }
  .bls-mobile-brand-fade{
    position:absolute;inset:0;
    background:linear-gradient(165deg, rgba(8,14,32,0.25) 0%, rgba(8,14,32,0.15) 50%, rgba(8,14,32,0.45) 100%);
    pointer-events:none;
  }
}