/* =====================================================================
   SchooldevAPP — "Aurora Ink" theme
   Primary + accent colours are injected at runtime from admin settings
   via inline CSS variables on <html> (see includes/head.php).
   ===================================================================== */

:root{
  --primary:#6C5CE7;
  --accent:#22D3AA;
  --primary-soft:color-mix(in srgb, var(--primary) 16%, transparent);
  --accent-soft:color-mix(in srgb, var(--accent) 16%, transparent);

  --ink:#0B1020;
  --ink-2:#121933;
  --panel:#161E3D;
  --panel-2:#1B244A;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);

  --text:#EAEEFB;
  --muted:#9AA6C9;
  --faint:#6B769C;

  --ok:#34D399; --warn:#FBBF24; --danger:#FB7185; --info:#60A5FA;

  --r-sm:10px; --r:16px; --r-lg:24px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.7);
  --shadow-glow:0 0 0 1px var(--line), 0 24px 60px -28px color-mix(in srgb,var(--primary) 60%,transparent);

  --sidebar-w:264px;
  --font-display:'Sora',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-body);
  color:var(--text);
  background:
    radial-gradient(1100px 600px at 12% -8%, color-mix(in srgb,var(--primary) 30%,transparent), transparent 60%),
    radial-gradient(1000px 620px at 105% 8%, color-mix(in srgb,var(--accent) 22%,transparent), transparent 55%),
    var(--ink);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;margin:0 0 .4em}
.mono{font-family:var(--font-mono)}
.muted{color:var(--muted)}
.faint{color:var(--faint)}
.center{text-align:center}
img{max-width:100%}

/* ---------------------------------------------------------------- App shell */
.app{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);
  position:fixed;inset:0 auto 0 0;z-index:60;
  background:linear-gradient(180deg, color-mix(in srgb,var(--ink-2) 92%,transparent), color-mix(in srgb,var(--ink) 96%,transparent));
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px);
  display:flex;flex-direction:column;
  transition:transform .3s ease;
}
.main{margin-left:var(--sidebar-w);flex:1;min-width:0;display:flex;flex-direction:column}

.brand{display:flex;align-items:center;gap:12px;padding:22px 20px 16px}
.brand .logo{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-family:var(--font-display);font-weight:800;font-size:18px;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 8px 22px -8px var(--primary);overflow:hidden;flex:0 0 auto;
}
.brand .logo img{width:100%;height:100%;object-fit:cover}
.brand .name{font-family:var(--font-display);font-weight:700;font-size:16px;line-height:1.1}
.brand .name small{display:block;font-family:var(--font-body);font-weight:400;font-size:11px;color:var(--faint)}

.nav{padding:8px 12px;overflow-y:auto;flex:1}
.nav .label{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);padding:14px 12px 7px}
.nav a{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;
  color:var(--muted);font-weight:500;font-size:14px;margin:2px 0;position:relative;
  transition:background .15s,color .15s,transform .15s;
}
.nav a .ic{width:20px;height:20px;flex:0 0 20px;opacity:.85}
.nav a:hover{background:var(--line);color:var(--text)}
.nav a.active{
  color:#fff;background:linear-gradient(90deg,var(--primary-soft),transparent);
}
.nav a.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:0 6px 6px 0;
  background:linear-gradient(var(--primary),var(--accent));box-shadow:0 0 14px var(--primary);
}
.nav a.active .ic{opacity:1}

.side-foot{padding:14px;border-top:1px solid var(--line)}
.side-user{display:flex;align-items:center;gap:10px;padding:8px;border-radius:12px;background:var(--line)}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:0 0 36px;display:grid;place-items:center;
  font-weight:700;font-size:13px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--primary));
}
.side-user .meta{min-width:0}
.side-user .meta b{font-size:13px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-user .meta span{font-size:11px;color:var(--faint);text-transform:capitalize}

/* ---------------------------------------------------------------- Topbar */
.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:16px;
  padding:14px 26px;border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--ink) 72%,transparent);backdrop-filter:blur(12px);
}
.topbar h1{font-size:19px;margin:0}
.topbar .sub{font-size:12.5px;color:var(--faint)}
.topbar .spacer{flex:1}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--line);
  color:var(--text);display:grid;place-items:center;cursor:pointer;transition:.15s;
}
.icon-btn:hover{background:var(--line-2);border-color:var(--line-2)}
.burger{display:none}

.content{padding:26px;max-width:1280px;width:100%;margin:0 auto;flex:1}

/* ---------------------------------------------------------------- Cards / grid */
.grid{display:grid;gap:18px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:linear-gradient(180deg, color-mix(in srgb,var(--panel) 90%,transparent), color-mix(in srgb,var(--ink-2) 92%,transparent));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.card.pad-sm{padding:16px}
.card-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px}
.card-h h3{margin:0;font-size:16px}
.card-h .sub{font-size:12px;color:var(--faint)}

/* Stat cards */
.stat{display:flex;flex-direction:column;gap:6px}
.stat .top{display:flex;align-items:center;justify-content:space-between}
.stat .ic{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--text);
}
.stat .num{font-family:var(--font-display);font-size:32px;font-weight:800;line-height:1;letter-spacing:-.03em}
.stat .lbl{font-size:13px;color:var(--muted)}
.stat::after{
  content:"";position:absolute;inset:auto -30% -60% auto;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(closest-side, var(--accent-soft), transparent);pointer-events:none;
}

/* ---------------------------------------------------------------- Buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-family:var(--font-body);font-weight:600;font-size:14px;
  padding:11px 18px;border-radius:12px;border:1px solid transparent;cursor:pointer;
  transition:transform .12s,filter .15s,background .15s;white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--accent) 55%,var(--primary)));color:#fff;box-shadow:0 12px 26px -12px var(--primary)}
.btn-primary:hover{filter:brightness(1.07)}
.btn-ghost{background:var(--line);color:var(--text);border-color:var(--line)}
.btn-ghost:hover{background:var(--line-2)}
.btn-outline{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-outline:hover{background:var(--line)}
.btn-danger{background:color-mix(in srgb,var(--danger) 22%,transparent);color:#fff;border-color:color-mix(in srgb,var(--danger) 40%,transparent)}
.btn-sm{padding:8px 13px;font-size:13px;border-radius:10px}
.btn-block{width:100%}

/* ---------------------------------------------------------------- Badges / pills */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:999px;text-transform:capitalize}
.badge.ok{background:color-mix(in srgb,var(--ok) 18%,transparent);color:#86efac}
.badge.warn{background:color-mix(in srgb,var(--warn) 18%,transparent);color:#fde68a}
.badge.danger{background:color-mix(in srgb,var(--danger) 18%,transparent);color:#fda4af}
.badge.mute{background:var(--line);color:var(--muted)}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor}

/* ---------------------------------------------------------------- Tables */
.table-wrap{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
table.tbl th{
  text-align:left;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);
  padding:13px 16px;background:color-mix(in srgb,var(--ink-2) 70%,transparent);font-weight:600;
}
table.tbl td{padding:13px 16px;border-top:1px solid var(--line);vertical-align:middle}
table.tbl tbody tr:hover{background:var(--line)}
.t-strong{font-weight:600}
.t-user{display:flex;align-items:center;gap:10px}

/* ---------------------------------------------------------------- Forms */
.form-row{margin-bottom:16px}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label.lbl{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--muted)}
.input,select.input,textarea.input{
  width:100%;padding:12px 14px;border-radius:12px;background:var(--ink-2);
  border:1px solid var(--line-2);color:var(--text);font-family:var(--font-body);font-size:14px;
  transition:border .15s,box-shadow .15s;
}
.input:focus,select.input:focus,textarea.input:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);
}
textarea.input{resize:vertical;min-height:96px}
.input::placeholder{color:var(--faint)}
.help{font-size:12px;color:var(--faint);margin-top:6px}

/* color input */
.color-pick{display:flex;align-items:center;gap:10px}
.color-pick input[type=color]{width:48px;height:40px;border:1px solid var(--line-2);border-radius:10px;background:var(--ink-2);cursor:pointer;padding:3px}

/* ---------------------------------------------------------------- Flash / alerts */
.flash-wrap{position:fixed;top:18px;right:18px;z-index:200;display:flex;flex-direction:column;gap:10px;max-width:340px}
.flash{
  padding:13px 16px;border-radius:12px;font-size:14px;font-weight:500;
  border:1px solid var(--line-2);background:var(--panel);box-shadow:var(--shadow);
  display:flex;gap:10px;align-items:flex-start;animation:slidein .3s ease;
}
.flash.success{border-left:3px solid var(--ok)}
.flash.warning{border-left:3px solid var(--warn)}
.flash.danger{border-left:3px solid var(--danger)}
.flash.info{border-left:3px solid var(--info)}
@keyframes slidein{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* ---------------------------------------------------------------- Misc */
.empty{padding:46px 20px;text-align:center;color:var(--faint)}
.empty .ic{width:54px;height:54px;margin:0 auto 12px;opacity:.5}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:6px 0 18px;gap:14px}
.section-title h2{font-size:20px;margin:0}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:12px;padding:6px 12px;border-radius:999px;background:var(--line);color:var(--muted);border:1px solid var(--line)}
.chip.active{background:var(--primary-soft);color:#fff;border-color:color-mix(in srgb,var(--primary) 50%,transparent)}
.divider{height:1px;background:var(--line);margin:18px 0}
.kv{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv:last-child{border-bottom:0}
.kv span{color:var(--muted)}
.progress{height:8px;border-radius:999px;background:var(--line);overflow:hidden}
.progress > i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}

/* media tiles */
.tiles{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.tile{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel);
  display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s;
}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.tile .thumb{height:120px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;font-family:var(--font-display);font-weight:700;font-size:15px;text-align:center;padding:14px}
.tile .body{padding:15px;flex:1;display:flex;flex-direction:column;gap:8px}
.tile .body h4{font-size:15px;margin:0}

/* ---------------------------------------------------------------- Responsive */
@media (max-width:980px){
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .cols-3{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none}
  .main{margin-left:0}
  .burger{display:grid}
  .cols-2,.cols-3,.cols-4{grid-template-columns:1fr}
  .form-row.two{grid-template-columns:1fr}
  .content{padding:18px}
  .scrim{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:55;display:none}
  .scrim.show{display:block}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}
