/* ═══════════════════════════════════════════════════════════════
   DigiAcademia SaaS v6 — Design System
   Dark / Light mode · Retractable nav · Nested popups
═══════════════════════════════════════════════════════════════ */

/* ── CSS VARIABLES (Light mode defaults) ───────────────────────────────── */
:root {
  --p:#1B5E20; --s:#F9A825; --p2:#0a3d10; --acc:#43a047;
  --pl:#e8f5e9; --bg:#f4f7f0; --surf:#fff; --surf2:#f0f5ec;
  --text:#0c160c; --muted:#4d6044; --border:#ccddc0;
  --err:#c62828; --ok:#2e7d32; --warn:#f57f17; --info:#1565c0;
  --sidebar-w:260px; --sidebar-w-c:60px; --topbar-h:56px;
  --shadow-sm:0 1px 4px rgba(0,0,0,.06); --shadow-md:0 2px 12px rgba(0,0,0,.08);
  --shadow-lg:0 4px 24px rgba(0,0,0,.13);
  --rad-sm:6px; --rad-md:10px; --rad-lg:16px;
  --font:'Inter',system-ui,sans-serif; --mono:'JetBrains Mono',monospace;
  --tr:.22s ease;
}
/* Dark mode overrides */
[data-theme="dark"] {
  --bg:#090f09; --surf:#0e160e; --surf2:#131d13;
  --text:#dff0d8; --muted:#7a9a72; --border:#1e3418; --pl:#0d2010;
  --shadow-sm:0 1px 4px rgba(0,0,0,.3); --shadow-md:0 2px 12px rgba(0,0,0,.4);
  --shadow-lg:0 4px 24px rgba(0,0,0,.55);
}

/* ── RESET ──────────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:15px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;
  transition:background var(--tr),color var(--tr)}
a{color:var(--p);text-decoration:none;transition:color .15s}
a:hover{color:var(--acc)}
img{max-width:100%}

/* ── SIDEBAR ────────────────────────────────────────────────────────────── */
.sidebar{
  position:fixed;top:0;left:0;height:100vh;width:var(--sidebar-w);
  background:var(--p2);display:flex;flex-direction:column;
  transition:width var(--tr);z-index:200;overflow:hidden;
}
[data-theme="dark"] .sidebar{background:#050d05}
.sidebar.collapsed{width:var(--sidebar-w-c)}
.sidebar.collapsed .brand-text,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .nav-section-label,
.sidebar.collapsed .nav-badge,
.sidebar.collapsed .user-details,
.sidebar.collapsed .toggle-caret{display:none}
.sidebar.collapsed .nav-item{justify-content:center;padding:.65rem}
.sidebar.collapsed .nav-icon{font-size:1.25rem}
.sidebar.collapsed .sidebar-footer{justify-content:center}
.sidebar.collapsed .sidebar-logout{margin:0 auto}
.sidebar.collapsed .sidebar-header{justify-content:center;padding:.85rem .5rem}
.sidebar.collapsed .collapse-icon{transform:rotate(180deg)}

.sidebar-header{display:flex;align-items:center;justify-content:space-between;
  padding:.9rem 1.1rem;border-bottom:1px solid rgba(255,255,255,.07);flex-shrink:0}
.sidebar-brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;flex:1;min-width:0}
.brand-mark{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:.8rem;color:#fff;flex-shrink:0}
.brand-name{font-weight:700;font-size:.86rem;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-type{font-size:.64rem;color:rgba(255,255,255,.45);text-transform:uppercase;letter-spacing:.06em}
.collapse-btn{background:none;border:none;cursor:pointer;color:rgba(255,255,255,.4);
  padding:.35rem;border-radius:5px;transition:all .2s;flex-shrink:0}
.collapse-btn:hover{color:#fff;background:rgba(255,255,255,.08)}
.collapse-icon{display:inline-block;transition:transform var(--tr)}

.sidebar-nav{flex:1;overflow-y:auto;overflow-x:hidden;padding:.4rem 0;
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent}
.sidebar-nav::-webkit-scrollbar{width:3px}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:2px}

.nav-section{padding:0 .45rem;margin-bottom:.1rem}
.nav-section-label{font-size:.61rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;
  color:rgba(255,255,255,.32);padding:.55rem .7rem .2rem;cursor:pointer;user-select:none;
  display:flex;align-items:center;justify-content:space-between;transition:color .2s}
.nav-section-label:hover{color:rgba(255,255,255,.55)}
.toggle-caret{font-size:.65rem;transition:transform .2s}
.nav-section-label.open .toggle-caret{transform:rotate(-90deg)}
.nav-group{overflow:hidden;transition:max-height .3s ease;max-height:500px}
.nav-group.closed{max-height:0}

.nav-item{display:flex;align-items:center;gap:.55rem;padding:.48rem .7rem;
  border-radius:var(--rad-sm);color:rgba(255,255,255,.62);font-size:.82rem;font-weight:500;
  transition:all .15s;text-decoration:none;white-space:nowrap;position:relative}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:rgba(255,255,255,.11);color:#fff;font-weight:600}
.nav-item.active::before{content:'';position:absolute;left:0;top:0;bottom:0;
  width:3px;background:var(--s);border-radius:0 2px 2px 0}
.nav-indent{padding-left:1.1rem;font-size:.8rem}
.nav-icon{font-size:.95rem;flex-shrink:0;width:18px;text-align:center}
.nav-badge{font-size:.58rem;font-weight:800;text-transform:uppercase;
  background:var(--s);color:#000;padding:.09rem .33rem;border-radius:20px;margin-left:auto}
.nav-badge-new{background:#43a047;color:#fff}

.sidebar-footer{padding:.65rem;border-top:1px solid rgba(255,255,255,.07);
  display:flex;align-items:center;gap:.55rem;flex-shrink:0}
.user-avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-weight:800;font-size:.8rem;color:#fff;flex-shrink:0}
.user-name{font-size:.8rem;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role{font-size:.66rem;color:rgba(255,255,255,.45)}
.user-details{flex:1;min-width:0}
.sidebar-logout{background:none;border:none;cursor:pointer;color:rgba(255,255,255,.38);
  font-size:1rem;padding:.35rem;border-radius:5px;transition:all .2s;text-decoration:none}
.sidebar-logout:hover{color:#ef5350;background:rgba(239,83,80,.1)}

/* ── MAIN LAYOUT ────────────────────────────────────────────────────────── */
.main-layout{margin-left:var(--sidebar-w);transition:margin-left var(--tr);min-height:100vh;display:flex;flex-direction:column}
.main-layout.collapsed{margin-left:var(--sidebar-w-c)}
.main-layout.no-sidebar{margin-left:0}

/* ── TOPBAR ─────────────────────────────────────────────────────────────── */
.topbar{height:var(--topbar-h);background:var(--surf);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:.45rem;padding:0 1.25rem;
  box-shadow:var(--shadow-sm);transition:background var(--tr),border-color var(--tr)}
.topbar-toggle{background:none;border:none;cursor:pointer;font-size:1.05rem;
  color:var(--muted);padding:.35rem;border-radius:5px;transition:all .2s}
.topbar-toggle:hover{background:var(--pl);color:var(--p)}
.topbar-bc{flex:1;font-size:.8rem;color:var(--muted);overflow:hidden;white-space:nowrap}
.topbar-right{display:flex;align-items:center;gap:.2rem}
.topbar-btn{background:none;border:none;cursor:pointer;font-size:.95rem;
  color:var(--muted);padding:.38rem;border-radius:5px;transition:all .2s;position:relative}
.topbar-btn:hover{background:var(--pl);color:var(--p)}

/* Notification dropdown */
.notif-wrap{position:relative}
.notif-dot{position:absolute;top:5px;right:5px;width:7px;height:7px;
  border-radius:50%;background:#e53935;border:2px solid var(--surf)}
.notif-drop{position:absolute;top:calc(100% + 8px);right:0;width:310px;
  background:var(--surf);border:1px solid var(--border);border-radius:var(--rad-md);
  box-shadow:var(--shadow-lg);display:none;z-index:500;
  transition:background var(--tr),border-color var(--tr)}
.notif-drop.open{display:block}
.notif-head{display:flex;justify-content:space-between;align-items:center;
  padding:.7rem 1rem;border-bottom:1px solid var(--border);font-weight:600;font-size:.83rem}
.notif-mark{background:none;border:none;cursor:pointer;font-size:.73rem;color:var(--p);font-weight:600}
.notif-list{max-height:260px;overflow-y:auto}
.notif-item{padding:.7rem 1rem;border-bottom:1px solid var(--border);font-size:.8rem;cursor:pointer;transition:background .15s}
.notif-item:hover{background:var(--pl)}
.notif-empty{padding:1.4rem;text-align:center;color:var(--muted);font-size:.8rem}

/* ── FLASH MESSAGES ─────────────────────────────────────────────────────── */
.flash-container{padding:.5rem 1.25rem 0}
.flash-msg{display:flex;align-items:center;gap:.55rem;padding:.65rem 1rem;border-radius:var(--rad-sm);
  margin-bottom:.35rem;font-size:.82rem;border-left:3px solid}
.flash-success{background:#e8f5e9;border-color:var(--ok);color:#1b5e20}
.flash-error,.flash-danger{background:#fce4ec;border-color:var(--err);color:#880e4f}
.flash-warning{background:#fffde7;border-color:var(--warn);color:#7a4f00}
.flash-info{background:#e3f2fd;border-color:var(--info);color:#0d47a1}
.flash-icon{font-size:.95rem}
.flash-text{flex:1}
.flash-x{background:none;border:none;cursor:pointer;font-size:1.05rem;color:inherit;opacity:.6;padding:0 .2rem}
.flash-x:hover{opacity:1}
[data-theme="dark"] .flash-success{background:rgba(46,125,50,.18);color:#a5d6a7}
[data-theme="dark"] .flash-error,[data-theme="dark"] .flash-danger{background:rgba(198,40,40,.18);color:#ef9a9a}
[data-theme="dark"] .flash-warning{background:rgba(245,127,23,.15);color:#ffcc80}
[data-theme="dark"] .flash-info{background:rgba(21,101,192,.18);color:#90caf9}

/* ── PAGE CONTENT ────────────────────────────────────────────────────────── */
.page-content{flex:1;padding:1.5rem 1.75rem}

/* ── MODAL SYSTEM (Stacked/Nested popups) ───────────────────────────────── */
.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.46);
  display:flex;align-items:center;justify-content:center;
  padding:1rem;animation:fadeIn .15s ease;
}
/* z-index stacking for nesting */
.modal-overlay:nth-of-type(1){z-index:1000}
.modal-overlay:nth-of-type(2){z-index:1010;background:rgba(0,0,0,.28)}
.modal-overlay:nth-of-type(3){z-index:1020;background:rgba(0,0,0,.16)}
.modal-overlay:nth-of-type(4){z-index:1030;background:rgba(0,0,0,.08)}

.modal-box{background:var(--surf);border-radius:var(--rad-lg);box-shadow:var(--shadow-lg);
  width:100%;max-height:90vh;display:flex;flex-direction:column;animation:slideUp .2s ease;
  transition:background var(--tr)}
.modal-sm{max-width:420px}
.modal-md{max-width:600px}
.modal-lg{max-width:860px}
.modal-xl{max-width:1080px}
.modal-head{display:flex;align-items:center;justify-content:space-between;
  padding:1rem 1.4rem;border-bottom:1px solid var(--border);flex-shrink:0}
.modal-head h3{font-size:.97rem;font-weight:700}
.modal-close{background:none;border:none;cursor:pointer;font-size:1.2rem;
  color:var(--muted);padding:.2rem .4rem;border-radius:4px;transition:all .15s}
.modal-close:hover{background:var(--pl);color:var(--p)}
.modal-body{padding:1.4rem;overflow-y:auto;flex:1}
.modal-foot{display:flex;justify-content:flex-end;gap:.5rem;
  padding:.9rem 1.4rem;border-top:1px solid var(--border);flex-shrink:0}
.modal-input{width:100%;border:1.5px solid var(--border);border-radius:var(--rad-sm);
  padding:.6rem .85rem;font-size:.88rem;background:var(--bg);color:var(--text);font-family:var(--font)}
.modal-input:focus{outline:none;border-color:var(--p)}
.modal-textarea{width:100%;border:1.5px solid var(--border);border-radius:var(--rad-sm);
  padding:.6rem .85rem;font-size:.83rem;background:var(--bg);color:var(--text);font-family:var(--font);resize:vertical}
.help-links{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.help-link{display:flex;align-items:center;gap:.5rem;padding:.85rem 1rem;background:var(--surf2);
  border-radius:var(--rad-sm);font-size:.83rem;font-weight:500;color:var(--text);
  border:1px solid var(--border);transition:background .15s}
.help-link:hover{background:var(--pl);color:var(--p);border-color:var(--p)}

/* ── BUTTONS ─────────────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:.38rem;padding:.48rem 1.05rem;
  border-radius:var(--rad-sm);font-size:.83rem;font-weight:600;cursor:pointer;
  border:1.5px solid transparent;font-family:var(--font);transition:all .2s;
  text-decoration:none;white-space:nowrap}
.btn-primary  {background:var(--p);color:#fff;border-color:var(--p)}.btn-primary:hover{background:var(--p2);border-color:var(--p2)}
.btn-secondary{background:var(--surf);color:var(--text);border-color:var(--border)}.btn-secondary:hover{border-color:var(--p);color:var(--p)}
.btn-danger   {background:var(--err);color:#fff;border-color:var(--err)}
.btn-success  {background:var(--ok);color:#fff;border-color:var(--ok)}
.btn-ghost    {background:transparent;color:var(--p);border-color:transparent}.btn-ghost:hover{background:var(--pl)}
.btn-sm{padding:.28rem .65rem;font-size:.76rem}
.btn-lg{padding:.7rem 1.65rem;font-size:.93rem}
.btn:disabled{opacity:.52;cursor:not-allowed}

/* ── CARDS ─────────────────────────────────────────────────────────────── */
.card{background:var(--surf);border-radius:var(--rad-md);border:1px solid var(--border);
  box-shadow:var(--shadow-sm);transition:background var(--tr),border-color var(--tr)}
.card-header{padding:.9rem 1.2rem;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.card-title{font-size:.93rem;font-weight:700}
.card-body{padding:1.2rem}
.card-footer{padding:.7rem 1.2rem;border-top:1px solid var(--border);
  background:var(--surf2);border-radius:0 0 var(--rad-md) var(--rad-md)}

/* ── TABLES ─────────────────────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;border-radius:var(--rad-md);border:1px solid var(--border);box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;font-size:.82rem}
thead th{background:var(--p);color:#fff;padding:.62rem 1rem;text-align:left;font-weight:600;white-space:nowrap}
[data-theme="dark"] thead th{background:#0a3d10}
tbody td{padding:.57rem 1rem;border-bottom:1px solid var(--border);color:var(--text)}
tbody tr:nth-child(even) td{background:var(--surf2)}
tbody tr:hover td{background:var(--pl)}
[data-theme="dark"] tbody tr:hover td{background:rgba(27,94,32,.08)}
tbody tr:last-child td{border-bottom:none}

/* ── FORMS ─────────────────────────────────────────────────────────────── */
.form-group{margin-bottom:.95rem}
.form-label{display:block;font-size:.8rem;font-weight:600;margin-bottom:.28rem}
.form-control{width:100%;padding:.52rem .82rem;border:1.5px solid var(--border);border-radius:var(--rad-sm);
  font-size:.86rem;font-family:var(--font);background:var(--surf);color:var(--text);transition:border-color .2s,background var(--tr)}
.form-control:focus{outline:none;border-color:var(--p);box-shadow:0 0 0 3px rgba(27,94,32,.1)}
[data-theme="dark"] .form-control{background:var(--surf2)}
.form-hint{font-size:.71rem;color:var(--muted);margin-top:.28rem}
.form-error-text{font-size:.71rem;color:var(--err);margin-top:.28rem}

/* ── STATS ──────────────────────────────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:1rem}
.stat-card{background:var(--surf);border:1px solid var(--border);border-radius:var(--rad-md);
  padding:1.05rem 1.2rem;display:flex;align-items:center;gap:.95rem;box-shadow:var(--shadow-sm)}
.stat-icon{width:42px;height:42px;border-radius:var(--rad-sm);background:var(--pl);
  display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0}
.stat-num{font-size:1.45rem;font-weight:800;color:var(--p);line-height:1}
.stat-lbl{font-size:.7rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-top:.12rem}

/* ── PAGE HEADER ─────────────────────────────────────────────────────────── */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.4rem;gap:1rem;flex-wrap:wrap}
.page-title{font-size:1.35rem;font-weight:800;color:var(--text);letter-spacing:-.01em}
.page-actions{display:flex;gap:.45rem;flex-wrap:wrap}

/* ── BADGES ─────────────────────────────────────────────────────────────── */
.badge{display:inline-block;font-size:.67rem;font-weight:700;padding:.13rem .48rem;border-radius:20px}
.badge-green {background:var(--pl);color:var(--p)}
.badge-orange{background:#fff3e0;color:#c75d00}
.badge-blue  {background:#e3f2fd;color:#0d47a1}
.badge-red   {background:#fce4ec;color:#880e4f}
.badge-grey  {background:var(--surf2);color:var(--muted);border:1px solid var(--border)}
[data-theme="dark"] .badge-orange{background:rgba(255,152,0,.15);color:#ffcc80}
[data-theme="dark"] .badge-blue  {background:rgba(21,101,192,.2);color:#90caf9}
[data-theme="dark"] .badge-red   {background:rgba(136,14,79,.2);color:#f48fb1}

/* ── ECOMMERCE ──────────────────────────────────────────────────────────── */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:1rem}
.product-card{background:var(--surf);border:1px solid var(--border);border-radius:var(--rad-md);overflow:hidden;
  transition:transform .2s,box-shadow .2s}
.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.product-img{width:100%;height:155px;object-fit:cover;background:var(--pl)}
.product-info{padding:.85rem}
.product-name{font-weight:700;font-size:.86rem;margin-bottom:.22rem}
.product-price{font-size:.98rem;font-weight:800;color:var(--p)}
.product-unit{font-size:.7rem;color:var(--muted)}
.product-cat{font-size:.66rem;background:var(--pl);color:var(--p);padding:.09rem .38rem;border-radius:20px;margin-bottom:.45rem;display:inline-block}

/* ── MEDIA CARDS ─────────────────────────────────────────────────────────── */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:1rem}
.post-card{background:var(--surf);border:1px solid var(--border);border-radius:var(--rad-md);overflow:hidden;transition:transform .2s}
.post-card:hover{transform:translateY(-2px)}
.post-cover{width:100%;height:150px;object-fit:cover;background:var(--pl)}
.post-body{padding:.95rem}
.post-title{font-weight:700;font-size:.88rem;margin-bottom:.32rem}
.post-excerpt{font-size:.78rem;color:var(--muted);line-height:1.5}
.post-meta{display:flex;gap:.45rem;margin-top:.6rem;font-size:.7rem;color:var(--muted);flex-wrap:wrap}
.forum-row{display:flex;gap:.95rem;padding:.8rem 1rem;border-bottom:1px solid var(--border);align-items:flex-start;transition:background .15s}
.forum-row:hover{background:var(--pl)}
.thread-title{font-weight:700;font-size:.86rem;margin-bottom:.18rem}
.thread-info{font-size:.72rem;color:var(--muted)}

/* ── SUBSCRIPTION PLANS ─────────────────────────────────────────────────── */
.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem}
.plan-card{background:var(--surf);border:2px solid var(--border);border-radius:var(--rad-lg);padding:1.4rem;text-align:center;transition:all .2s;position:relative}
.plan-card:hover{border-color:var(--p);transform:translateY(-2px)}
.plan-card.featured{border-color:var(--s);background:#fffbf0}
[data-theme="dark"] .plan-card.featured{background:rgba(249,168,37,.06)}
.plan-feat-badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  background:var(--s);color:#000;font-size:.63rem;font-weight:800;padding:.18rem .65rem;border-radius:20px}
.plan-name{font-size:.97rem;font-weight:800;margin-bottom:.22rem}
.plan-interval{font-size:.7rem;color:var(--muted);margin-bottom:.7rem;text-transform:uppercase;letter-spacing:.06em}
.plan-price{font-size:1.9rem;font-weight:900;color:var(--p);line-height:1;margin-bottom:.22rem}
.plan-price-note{font-size:.72rem;color:var(--muted);margin-bottom:1.2rem}

/* ── SUPPLIER STAGE TRACKER ─────────────────────────────────────────────── */
.stage-tracker{display:flex;align-items:center;gap:0;margin:1.2rem 0;overflow-x:auto}
.stage-step{display:flex;align-items:center;flex-shrink:0}
.stage-dot{width:30px;height:30px;border-radius:50%;border:2.5px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:.78rem;background:var(--surf);font-weight:700;color:var(--muted)}
.stage-dot.done{background:var(--p);border-color:var(--p);color:#fff}
.stage-dot.curr{background:var(--s);border-color:var(--s);color:#000}
.stage-lbl{font-size:.68rem;font-weight:600;color:var(--muted);margin-top:.22rem;text-align:center}
.stage-line{flex:1;height:2px;background:var(--border);min-width:28px}
.stage-line.done{background:var(--p)}

/* ── LIVE STREAM ─────────────────────────────────────────────────────────── */
.stream-card{background:var(--surf);border:1px solid var(--border);border-radius:var(--rad-md);overflow:hidden}
.stream-thumb{position:relative;width:100%;padding-top:56.25%;background:#0c160c}
.stream-thumb iframe,.stream-thumb video{position:absolute;inset:0;width:100%;height:100%}
.live-badge{position:absolute;top:.5rem;left:.5rem;background:#e53935;color:#fff;font-size:.63rem;
  font-weight:800;padding:.14rem .48rem;border-radius:4px;text-transform:uppercase;letter-spacing:.06em;animation:pulseLive 1.5s infinite}
@keyframes pulseLive{0%,100%{opacity:1}50%{opacity:.5}}

/* ── AUTH LAYOUT ─────────────────────────────────────────────────────────── */
.auth-layout{background:linear-gradient(135deg,var(--bg) 0%,var(--pl) 100%);min-height:100vh;
  display:flex;align-items:center;justify-content:center;padding:1rem}
.auth-container{display:flex;width:100%;max-width:940px;background:var(--surf);border-radius:var(--rad-lg);
  overflow:hidden;box-shadow:var(--shadow-lg)}
.auth-card{flex:0 0 400px;padding:2.4rem;overflow-y:auto}
.auth-side{flex:1;padding:2.4rem;display:flex;flex-direction:column;justify-content:center}
.staff-side{background:linear-gradient(135deg,#1B5E20,#0a3d10)}
.parent-side{background:linear-gradient(135deg,#1565c0,#0d47a1)}
.alumni-side{background:linear-gradient(135deg,#880e4f,#560027)}
.auth-side h3{color:#fff;font-size:1.45rem;font-weight:800;margin-bottom:.65rem}
.auth-side p{color:rgba(255,255,255,.8);line-height:1.75;margin-bottom:1.4rem}
.auth-features{display:grid;grid-template-columns:1fr 1fr;gap:.45rem}
.auth-features span{background:rgba(255,255,255,.1);color:#fff;padding:.48rem .7rem;border-radius:7px;font-size:.78rem;font-weight:500}
.auth-brand{text-align:center;margin-bottom:1.65rem}
.auth-brand h2{font-size:1.35rem;font-weight:800;margin:.45rem 0 .22rem}
.auth-subtitle{color:var(--muted);font-size:.84rem}
.portal-badge{display:inline-flex;align-items:center;gap:.38rem;padding:.28rem .85rem;
  border-radius:20px;font-size:.72rem;font-weight:700;margin-bottom:.45rem}
.staff-badge{background:var(--pl);color:var(--p)}
.parent-badge{background:#e3f2fd;color:#0d47a1}
.alumni-badge{background:#fce4ec;color:#880e4f}
.oauth-div{display:flex;align-items:center;gap:.7rem;margin:1.15rem 0;color:var(--muted);font-size:.78rem}
.oauth-div::before,.oauth-div::after{content:'';flex:1;height:1px;background:var(--border)}
.oauth-btns{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.45rem}
.btn-oauth{background:var(--surf2);border:1px solid var(--border);color:var(--text);font-size:.78rem}
.btn-oauth:hover{background:var(--pl);border-color:var(--p);color:var(--p)}
.auth-foot{text-align:center;margin-top:1.2rem;font-size:.78rem;color:var(--muted)}
.auth-foot a{color:var(--p);font-weight:500}

/* ── PORTAL LANDING (public school page) ──────────────────────────────────── */
.school-hero{padding:3.5rem 2rem 2.4rem;position:relative;overflow:hidden}
.school-hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.04) 1px,transparent 1px);background-size:30px 30px}
.school-hero-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center;position:relative;z-index:1}
.school-crest{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.12);border:2px solid rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.45rem;color:#fff;margin-bottom:.9rem}
.school-name-hero{font-size:clamp(1.8rem,4.5vw,3.1rem);font-weight:900;color:#fff;line-height:1.1;margin-bottom:.45rem}
.school-motto{font-style:italic;font-size:1rem;color:rgba(255,255,255,.8);margin-bottom:.8rem}
.school-pills{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:1.4rem}
.school-pill{background:rgba(255,255,255,.13);color:rgba(255,255,255,.9);font-size:.7rem;font-weight:600;padding:.22rem .65rem;border-radius:20px;border:1px solid rgba(255,255,255,.2)}
.school-stats{display:flex;gap:1.85rem;margin-bottom:1.65rem;flex-wrap:wrap}
.school-stat .num{font-size:1.85rem;font-weight:700;color:#fff;line-height:1}
.school-stat .lbl{font-size:.66rem;color:rgba(255,255,255,.62);font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-top:.12rem}
.school-cta-row{display:flex;gap:.55rem;flex-wrap:wrap}
.school-cta{padding:.58rem 1.15rem;border-radius:7px;font-size:.81rem;font-weight:700;cursor:pointer;text-decoration:none;font-family:var(--font);display:inline-flex;align-items:center;gap:.38rem;transition:all .2s;white-space:nowrap}
.school-cta-staff{background:#fff;color:var(--p)}.school-cta-staff:hover{opacity:.92}
.school-cta-parent{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.28)}.school-cta-parent:hover{background:rgba(255,255,255,.2)}
.school-cta-alumni{background:var(--s);color:#000}.school-cta-alumni:hover{background:#fff}

/* ── ANIMATIONS ─────────────────────────────────────────────────────────── */
@keyframes fadeIn {from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{transform:translateY(18px);opacity:0}to{transform:translateY(0);opacity:1}}

/* ── DARK MODE EXTRAS ────────────────────────────────────────────────────── */
[data-theme="dark"] .auth-layout{background:linear-gradient(135deg,#050d05 0%,#0d2010 100%)}
[data-theme="dark"] .auth-container{background:var(--surf)}
[data-theme="dark"] .plan-card{background:var(--surf)}
[data-theme="dark"] thead th{background:#0a3d10}
[data-theme="dark"] .product-img{background:var(--surf2)}

/* ── ERROR PAGE ──────────────────────────────────────────────────────────── */
.error-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}
.error-box{text-align:center;padding:3rem}.error-icon{font-size:3.5rem;margin-bottom:1rem}
.error-box h1{font-size:5rem;font-weight:900;color:var(--p);line-height:1;margin-bottom:.22rem}
.error-box h2{font-size:1.35rem;font-weight:700;margin-bottom:.65rem}
.error-box p{color:var(--muted);margin-bottom:1.4rem}

/* ── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.mobile-open{transform:translateX(0)}
  .main-layout{margin-left:0 !important}
}
@media(max-width:600px){
  .page-content{padding:1rem}
  .stats-grid{grid-template-columns:1fr 1fr}
  .modal-box{margin:.5rem;max-height:95vh}
  .page-header{flex-direction:column;align-items:flex-start}
  .auth-container{flex-direction:column}
  .auth-side{display:none}
  .auth-card{flex:none;width:100%}
}

/* ── PRINT ─────────────────────────────────────────────────────────────── */
@media print{
  .sidebar,.topbar,.page-actions,.flash-container,.btn:not(.btn-print),
  #sidebarCollapse,.modal-overlay,nav,.notif-wrap{display:none!important}
  .main-layout{margin:0!important}
  body{background:#fff!important;color:#000!important;font-size:11pt}
  .card{box-shadow:none!important;border:1px solid #ccc!important}
  table{border-collapse:collapse!important}
  thead th{background:#1B5E20!important;color:#fff!important;-webkit-print-color-adjust:exact}
  tbody td{border:1px solid #ccc!important}
  a{color:#000!important;text-decoration:none}
  .page-title{font-size:16pt;font-weight:700}
  .stat-card{break-inside:avoid}
  @page{margin:1.5cm}
}

/* ── PROJECTS MODULE ──────────────────────────────────────────── */
.project-public-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.25rem}
.project-card-img{width:100%;height:165px;object-fit:cover;border-radius:var(--rad-md) var(--rad-md) 0 0}
.project-card-img-placeholder{width:100%;height:165px;background:var(--pl);display:flex;align-items:center;justify-content:center;font-size:2.5rem;border-radius:var(--rad-md) var(--rad-md) 0 0}
.project-card-body{padding:1rem}
.project-card-title{font-weight:700;font-size:.95rem;margin-bottom:.35rem;line-height:1.4}
.project-card-desc{font-size:.8rem;color:var(--muted);line-height:1.55;margin-bottom:.5rem}
.project-progress-bar{height:6px;border-radius:3px;background:var(--border);overflow:hidden}
.project-progress-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,#2E7D32,#66BB6A);transition:width .4s}
/* School hero */
.school-crest{width:56px;height:56px;border-radius:12px;background:rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.1rem;color:#fff;margin-bottom:.75rem;border:2px solid rgba(255,255,255,.25)}
.school-name-hero{font-size:clamp(1.5rem,4vw,2.4rem);font-weight:900;color:#fff;margin-bottom:.3rem;line-height:1.1}
.school-motto{font-size:.9rem;color:rgba(255,255,255,.75);margin-bottom:.75rem;font-style:italic}
.school-pills{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:1.25rem}
.school-pill{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:20px;padding:.2rem .7rem;font-size:.75rem;font-weight:600}
.school-cta-row{display:flex;gap:.5rem;flex-wrap:wrap}
.school-cta{padding:.5rem 1rem;border-radius:8px;text-decoration:none;font-weight:700;font-size:.83rem;transition:all .2s}
.school-cta-staff{background:rgba(255,255,255,.15);color:#fff;border:1.5px solid rgba(255,255,255,.3)}
.school-cta-parent{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.2)}
.school-cta-alumni{background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.15)}

/* ── CLUBS MODULE ─────────────────────────────────────────────── */
.clubs-public-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem}
.club-card{cursor:pointer;transition:transform .18s,box-shadow .18s}
.club-card:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(0,0,0,.13)}
.club-card-img{width:100%;height:155px;object-fit:cover;background-size:cover;background-position:center;border-radius:var(--rad-md) var(--rad-md) 0 0}
.club-card-img-placeholder{width:100%;height:155px;background:linear-gradient(135deg,var(--p),var(--ps));display:flex;align-items:center;justify-content:center;font-size:3rem;border-radius:var(--rad-md) var(--rad-md) 0 0}
.club-card-body{padding:1rem}
.club-card-name{font-weight:800;font-size:1rem;margin-bottom:.35rem;color:var(--text)}
.club-card-desc{font-size:.8rem;color:var(--muted);line-height:1.55;margin-top:.35rem}
/* Club slideshow modal */
.club-modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.82);display:flex;align-items:center;justify-content:center;z-index:9999;padding:1rem}
.club-modal-box{background:#111;border-radius:12px;max-width:680px;width:100%;overflow:hidden;position:relative;box-shadow:0 24px 80px rgba(0,0,0,.6)}
.club-modal-header{padding:.9rem 1.25rem;background:linear-gradient(135deg,#1B5E20,#2E7D32);border-bottom:1px solid rgba(255,255,255,.1)}
.club-modal-close{position:absolute;top:.55rem;right:.75rem;background:rgba(255,255,255,.12);border:none;color:#fff;font-size:1.4rem;width:32px;height:32px;border-radius:50%;cursor:pointer;z-index:1;display:flex;align-items:center;justify-content:center;transition:background .15s}
.club-modal-close:hover{background:rgba(255,255,255,.25)}
.club-slideshow-wrap{position:relative;background:#000;min-height:200px;display:flex;flex-direction:column;align-items:center}
.club-slideshow-caption{padding:.6rem 1rem;color:rgba(255,255,255,.88);font-size:.84rem;min-height:2.2rem;text-align:center;background:rgba(0,0,0,.55);width:100%}
.club-slideshow-nav{display:flex;align-items:center;justify-content:center;gap:1.5rem;padding:.55rem 0;background:rgba(0,0,0,.4)}
.club-nav-btn{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:1.75rem;width:44px;height:44px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;line-height:1}
.club-nav-btn:hover{background:rgba(255,255,255,.28)}
.club-dots-row{display:flex;justify-content:center;gap:.45rem;padding:.55rem .75rem;background:#0a0a0a;flex-wrap:wrap}
.club-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.3);border:none;cursor:pointer;transition:all .2s}
.club-dot.active{background:#4CAF50;transform:scale(1.25)}
/* Club photo row in manage_photos */
.club-photo-row{display:flex!important;align-items:flex-start}

/* ── INSTITUTION PAGES ──────────────────────────────────────── */
:root{--container-pad:1.5rem}
.institution-page .sidebar-wrap{display:none}
.institution-page .main-content{margin-left:0!important;width:100%}
.no-sidebar .sidebar-wrap{display:none!important}
.inst-hero{position:relative;min-height:72vh;display:flex;align-items:flex-end;overflow:hidden}
.inst-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.inst-hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.82) 0%,rgba(0,0,0,.28) 60%,rgba(0,0,0,.12) 100%)}
.inst-hero-content{position:relative;z-index:1;padding:2.5rem var(--container-pad) 3rem;width:100%;max-width:1200px;margin:0 auto}
.inst-badge{display:inline-flex;align-items:center;gap:.4rem;background:var(--inst-color,#1B5E20);color:#fff;padding:.25rem .75rem;border-radius:20px;font-size:.73rem;font-weight:700;margin-bottom:.85rem}
.inst-name{font-size:clamp(1.8rem,5vw,3.2rem);font-weight:900;color:#fff;line-height:1.1;margin-bottom:.4rem;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.inst-tagline{font-size:1rem;color:rgba(255,255,255,.82);margin-bottom:1rem}
.inst-meta-row{display:flex;gap:.55rem;flex-wrap:wrap;margin-bottom:1.5rem}
.inst-meta-pill{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.88);padding:.2rem .65rem;border-radius:16px;font-size:.72rem;font-weight:600}
.inst-actions{display:flex;gap:.65rem;flex-wrap:wrap}
.inst-section{padding:3rem var(--container-pad);max-width:1200px;margin:0 auto}
.portal-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.7rem;margin-top:1.1rem}
.portal-btn{display:flex;flex-direction:column;align-items:center;gap:.35rem;padding:.9rem .7rem;border-radius:12px;border:2px solid var(--border,#e0e0e0);text-align:center;text-decoration:none;transition:all .2s;background:#fff;cursor:pointer}
.portal-btn:hover{border-color:var(--inst-color,#1B5E20);background:rgba(27,94,32,.05);transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.08);text-decoration:none}
.portal-btn-icon{font-size:1.7rem}
.portal-btn-label{font-size:.78rem;font-weight:800;color:var(--text,#1a1a1a)}
.portal-btn-sub{font-size:.66rem;color:var(--muted,#777)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin-top:1rem}
.gallery-grid img{width:100%;height:185px;object-fit:cover;border-radius:10px;cursor:pointer;transition:transform .2s,box-shadow .2s}
.gallery-grid img:hover{transform:scale(1.025);box-shadow:0 6px 20px rgba(0,0,0,.14)}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.93);display:flex;align-items:center;justify-content:center;z-index:9999;opacity:0;pointer-events:none;transition:opacity .22s}
.lightbox.open{opacity:1;pointer-events:all}
.lightbox img{max-width:90vw;max-height:88vh;object-fit:contain;border-radius:8px;box-shadow:0 0 80px rgba(0,0,0,.5)}
.lightbox-close{position:absolute;top:.85rem;right:1rem;color:#fff;font-size:2rem;cursor:pointer;background:rgba(255,255,255,.1);width:44px;height:44px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;transition:background .15s}
.lightbox-close:hover{background:rgba(255,255,255,.25)}
/* platform home popup styles (supplement popup-backdrop in platform_home.html) */
.popup-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.75);display:flex;align-items:center;justify-content:center;z-index:9999;padding:1rem;opacity:0;pointer-events:none;transition:opacity .22s}
.popup-backdrop.open{opacity:1;pointer-events:all}
@media(max-width:640px){
  .gallery-grid{grid-template-columns:1fr 1fr}
  .portal-row{grid-template-columns:repeat(3,1fr)}
  .inst-section{padding:2rem var(--container-pad)}
}