@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&display=swap');

/* ═══════════════════════════════════════════════════════════════
   DESIGN TOKENS
═══════════════════════════════════════════════════════════════ */
:root {
  --sidebar-w: 248px;
  --bg-deep: #03050e; --bg-mid: #070a18;
  --bg-card: rgba(255,255,255,0.038);
  --bg-card-hover: rgba(255,255,255,0.068);
  --border: rgba(255,255,255,0.07);
  --border-glow: rgba(99,179,237,0.22);
  --blue:#63b3ed; --cyan:#4fd1c5; --purple:#9f7aea;
  --pink:#f687b3; --green:#68d391; --orange:#f6ad55; --red:#fc8181;
  --txt1:#edf2fa; --txt2:#7a8ba8; --txt3:#303d54;
  --r-sm:12px; --r-md:18px; --r-lg:24px; --r-xl:32px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.4);
  --shadow:    0 8px 32px rgba(0,0,0,0.55);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.7);
  --shadow-glow: 0 8px 40px rgba(99,179,237,0.18);
  --font-h:'Syne',sans-serif; --font-b:'DM Sans',sans-serif;
  --ease:cubic-bezier(0.34,1.2,0.64,1); --ease-out:cubic-bezier(0.4,0,0.2,1);
  --t:0.28s;
  /* 3D perspective base */
  --perspective: 1000px;
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body {
  font-family:var(--font-b);
  background:var(--bg-deep);
  color:var(--txt1);
  min-height:100vh;
  overflow-x:hidden;
  line-height:1.65;
  font-size:15px;
}
a { text-decoration:none; color:inherit; }
button { font-family:var(--font-b); cursor:pointer; border:none; background:none; }

/* ═══════════════════════════════════════════════════════════════
   BACKGROUND AURORA + STARS (enhanced)
═══════════════════════════════════════════════════════════════ */
.bg-aurora { position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.aurora-blob {
  position:absolute; border-radius:50%; filter:blur(100px);
  animation:aurora-drift 22s ease-in-out infinite alternate;
}
.aurora-blob:nth-child(1){width:800px;height:800px;background:radial-gradient(circle,#1d4ed8,transparent);top:-300px;left:-300px;opacity:0.12;animation-duration:24s;}
.aurora-blob:nth-child(2){width:600px;height:600px;background:radial-gradient(circle,#7c3aed,transparent);top:30%;right:-200px;opacity:0.10;animation-duration:18s;animation-delay:-7s;}
.aurora-blob:nth-child(3){width:520px;height:520px;background:radial-gradient(circle,#0e7490,transparent);bottom:-150px;left:25%;opacity:0.09;animation-duration:28s;animation-delay:-14s;}
@keyframes aurora-drift {
  0%   { transform:translate(0,0)        scale(1); }
  33%  { transform:translate(60px,-50px) scale(1.08); }
  66%  { transform:translate(-40px,70px) scale(0.92); }
  100% { transform:translate(40px,30px)  scale(1.04); }
}
.bg-stars {
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at  8% 12%, rgba(255,255,255,0.55) 0%, transparent 100%),
    radial-gradient(1px   1px   at 22% 38%, rgba(255,255,255,0.35) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 48%  8%, rgba(255,255,255,0.6)  0%, transparent 100%),
    radial-gradient(1px   1px   at 68% 55%, rgba(255,255,255,0.25) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 82% 22%, rgba(255,255,255,0.5)  0%, transparent 100%),
    radial-gradient(1px   1px   at 35% 75%, rgba(255,255,255,0.3)  0%, transparent 100%),
    radial-gradient(1.2px 1.2px at 91% 68%, rgba(255,255,255,0.4)  0%, transparent 100%),
    radial-gradient(1px   1px   at 15% 58%, rgba(255,255,255,0.2)  0%, transparent 100%);
}

/* ═══════════════════════════════════════════════════════════════
   GLASS (3D elevated)
═══════════════════════════════════════════════════════════════ */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.06);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease),
              border-color var(--t) var(--ease-out), background var(--t) var(--ease-out);
  transform-style: preserve-3d;
  will-change: transform;
}
.glass:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99,179,237,0.2);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(99,179,237,0.08),
              inset 0 1px 0 rgba(255,255,255,0.1);
  transform: translateY(-3px) scale(1.005);
}

/* ═══════════════════════════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════════════════════════ */
.page-wrapper { position:relative; z-index:1; min-height:100vh; }
.dashboard    { display:flex; min-height:100vh; }

/* ═══════════════════════════════════════════════════════════════
   SIDEBAR (3D inner depth)
═══════════════════════════════════════════════════════════════ */
.sidebar {
  position:fixed; top:0; left:0; width:var(--sidebar-w); height:100vh;
  background: linear-gradient(180deg, rgba(5,8,22,0.98) 0%, rgba(3,5,14,0.98) 100%);
  backdrop-filter: blur(32px);
  border-right: 1px solid rgba(255,255,255,0.06);
  box-shadow: 4px 0 40px rgba(0,0,0,0.5), inset -1px 0 0 rgba(99,179,237,0.06);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  z-index: 200;
  overflow-y: auto;
}
.sidebar-logo {
  display:flex; align-items:center; gap:12px;
  padding: 0 20px 22px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  margin-bottom: 16px;
}
.sidebar-logo-icon {
  width:40px; height:40px; flex-shrink:0;
  background: linear-gradient(135deg,var(--blue),var(--purple));
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:18px;
  box-shadow: 0 4px 16px rgba(99,179,237,0.3), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.sidebar-logo-icon:hover { transform: rotate(-8deg) scale(1.1); box-shadow: 0 8px 24px rgba(99,179,237,0.45); }
.sidebar-logo-text { font-family:var(--font-h); font-weight:700; font-size:14px; line-height:1.25; }
.sidebar-logo-text small { display:block; font-size:10px; color:var(--txt3); font-weight:400; font-family:var(--font-b); }

.nav-section { padding:0 10px; margin-bottom:4px; }
.nav-section-label {
  font-size:10px; font-weight:700; color:var(--txt3);
  letter-spacing:0.12em; text-transform:uppercase;
  padding:0 10px; margin-bottom:4px;
}
.nav-item {
  display:flex; align-items:center; gap:12px;
  padding:11px 14px; border-radius:var(--r-sm);
  color:var(--txt2); font-size:14px; font-weight:400;
  transition: all var(--t) var(--ease);
  width:100%; text-align:left; white-space:nowrap; cursor:pointer;
  position:relative; overflow:hidden;
}
.nav-item::before {
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(90deg,rgba(99,179,237,0.08),transparent);
  opacity:0; transition:opacity var(--t) var(--ease-out);
  border-radius:inherit;
}
.nav-item:hover {
  color:var(--txt1);
  transform: translateX(4px);
  background: rgba(255,255,255,0.06);
  box-shadow: inset 0 0 0 1px rgba(99,179,237,0.12);
}
.nav-item:hover::before { opacity:1; }
.nav-item.active {
  background: linear-gradient(90deg,rgba(99,179,237,0.15),rgba(99,179,237,0.05));
  color:var(--blue); font-weight:600;
  box-shadow: inset 0 0 0 1px rgba(99,179,237,0.2), inset 3px 0 0 var(--blue);
}
.nav-item:active { transform: translateX(2px) scale(0.98); }
.logout-btn { color:#fc8181 !important; }
.logout-btn:hover { background:rgba(252,129,129,0.08) !important; box-shadow:inset 0 0 0 1px rgba(252,129,129,0.15) !important; }

.sidebar-footer { margin-top:auto; padding:16px 10px 0; border-top:1px solid rgba(255,255,255,0.05); }
.user-chip {
  display:flex; align-items:center; gap:10px;
  padding:10px 12px; border-radius:var(--r-md);
  background: rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.06);
  margin-bottom:6px;
  transition: all var(--t) var(--ease);
}
.user-chip:hover { background:rgba(255,255,255,0.07); border-color:rgba(99,179,237,0.15); }
.user-avatar {
  width:34px; height:34px; flex-shrink:0;
  background: linear-gradient(135deg,var(--purple),var(--pink));
  border-radius:10px;
  font-family:var(--font-h); font-weight:800; font-size:14px; color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 4px 12px rgba(159,122,234,0.35);
}
.user-info  { flex:1; min-width:0; overflow:hidden; }
.user-name  { font-size:13px; font-weight:600; color:var(--txt1); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.user-status{ font-size:11px; color:var(--green); }

/* ═══════════════════════════════════════════════════════════════
   MAIN CONTENT
═══════════════════════════════════════════════════════════════ */
.main-content {
  margin-left:var(--sidebar-w);
  flex:1; padding:36px 48px 60px;
  min-width:0; width:calc(100% - var(--sidebar-w));
}
.page-header   { margin-bottom:28px; }
.page-title    { font-family:var(--font-h); font-weight:800; font-size:28px; color:var(--txt1); line-height:1.1; margin-bottom:5px; white-space:nowrap; }
.page-subtitle { font-size:14px; color:var(--txt2); }

/* ═══════════════════════════════════════════════════════════════
   STAT CARDS (3D tilt on hover)
═══════════════════════════════════════════════════════════════ */
.top-row    { display:grid; grid-template-columns:1fr 290px; gap:20px; margin-bottom:24px; align-items:stretch; }
.stats-row  { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.stat-card  {
  padding:22px 20px;
  display:flex; flex-direction:column; gap:6px;
  cursor:default;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.stat-card:hover {
  transform: translateY(-6px) rotateX(4deg);
  box-shadow: 0 20px 50px rgba(0,0,0,0.6), 0 0 0 1px rgba(99,179,237,0.15),
              inset 0 1px 0 rgba(255,255,255,0.12);
}
.stat-icon  { font-size:22px; }
.stat-value { font-family:var(--font-h); font-weight:800; font-size:32px; color:var(--txt1); line-height:1; }
.stat-label { font-size:13px; color:var(--txt2); }

/* ═══════════════════════════════════════════════════════════════
   CLOCK CARD
═══════════════════════════════════════════════════════════════ */
.clock-card {
  display:flex; flex-direction:column; align-items:center;
  justify-content:center; padding:20px 14px; gap:10px;
  position:relative; overflow:hidden;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.clock-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 40px rgba(99,179,237,0.12);
}
.analog-clock   { position:relative; width:112px; height:112px; flex-shrink:0; }
.analog-clock svg { width:100%; height:100%; filter:drop-shadow(0 0 14px rgba(99,179,237,0.3)); }
.clock-face     { fill:rgba(99,179,237,0.04); stroke:rgba(99,179,237,0.22); stroke-width:1.5; }
.clock-tick     { stroke:rgba(255,255,255,0.12); stroke-width:1; }
.clock-tick-major { stroke:rgba(99,179,237,0.45); stroke-width:2; }
#hand-hour      { stroke:var(--blue);  stroke-width:3;   stroke-linecap:round; transform-origin:60px 60px; }
#hand-minute    { stroke:var(--cyan);  stroke-width:2;   stroke-linecap:round; transform-origin:60px 60px; }
#hand-second    { stroke:var(--pink);  stroke-width:1.5; stroke-linecap:round; transform-origin:60px 60px; transition:transform 0.1s; }
.clock-center   { fill:var(--blue); }
.clock-center-dot { fill:var(--pink); }
.clock-glow-ring { fill:none; stroke:rgba(99,179,237,0.12); stroke-width:6; animation:ring-pulse 3s ease-in-out infinite; }
@keyframes ring-pulse { 0%,100%{stroke-opacity:0.1} 50%{stroke-opacity:0.35} }
.digital-time {
  font-family:var(--font-h); font-weight:800; font-size:22px; letter-spacing:1.5px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
  filter:drop-shadow(0 0 8px rgba(99,179,237,0.4));
}
.digital-date { font-size:11px; color:var(--txt2); text-align:center; line-height:1.5; }

/* ═══════════════════════════════════════════════════════════════
   SECTION CARDS
═══════════════════════════════════════════════════════════════ */
.section-card  { padding:28px 30px 24px; margin-bottom:20px; }
.section-title {
  font-family:var(--font-h); font-weight:700; font-size:16px;
  color:var(--txt1); margin-bottom:20px;
  display:flex; align-items:center; gap:9px; white-space:nowrap;
}

/* ═══════════════════════════════════════════════════════════════
   FORMS
═══════════════════════════════════════════════════════════════ */
.form-label {
  display:block; font-size:11px; font-weight:700; color:var(--txt2);
  margin-bottom:7px; letter-spacing:0.08em; text-transform:uppercase;
}
.form-input {
  width:100%; padding:12px 15px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius:var(--r-sm);
  color:var(--txt1); font-family:var(--font-b); font-size:14px;
  outline:none;
  transition: border-color var(--t) var(--ease-out),
              box-shadow var(--t) var(--ease-out),
              background var(--t) var(--ease-out),
              transform 0.15s var(--ease);
  min-width:0;
}
.form-input::placeholder { color:var(--txt3); }
.form-input:hover { border-color:rgba(99,179,237,0.2); background:rgba(255,255,255,0.06); }
.form-input:focus {
  border-color:var(--blue);
  box-shadow: 0 0 0 3px rgba(99,179,237,0.12), 0 4px 20px rgba(99,179,237,0.08);
  background: rgba(255,255,255,0.08);
  transform: translateY(-1px);
}
.form-group  { margin-bottom:18px; }
.input-row   { display:grid; gap:12px; margin-bottom:14px; align-items:end; }
.input-row.slot-cols  { grid-template-columns:1fr 1fr 1fr auto; }
.input-row.topic-cols { grid-template-columns:1.2fr 1.2fr 140px auto; }

/* ═══════════════════════════════════════════════════════════════
   BUTTONS (full 3D effect)
═══════════════════════════════════════════════════════════════ */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 22px; border-radius:var(--r-sm);
  font-family:var(--font-b); font-size:14px; font-weight:600;
  cursor:pointer; white-space:nowrap; border:none; text-decoration:none;
  position:relative; overflow:hidden;
  transition: transform var(--t) var(--ease),
              box-shadow var(--t) var(--ease),
              filter var(--t) var(--ease-out);
}
/* Shimmer sweep on hover */
.btn::after {
  content:'';
  position:absolute; top:0; left:-100%;
  width:60%; height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.12),transparent);
  transform:skewX(-20deg);
  transition:left 0.5s ease;
}
.btn:hover::after  { left:150%; }
.btn:active { transform: scale(0.96) translateY(1px) !important; }

.btn-primary {
  background: linear-gradient(135deg,var(--blue) 0%,var(--purple) 100%);
  color:#fff;
  box-shadow: 0 4px 18px rgba(99,179,237,0.25), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 32px rgba(99,179,237,0.4), 0 0 0 1px rgba(99,179,237,0.3),
              inset 0 1px 0 rgba(255,255,255,0.25);
  filter: brightness(1.08);
}

.btn-secondary {
  background: rgba(255,255,255,0.07);
  color:var(--txt1);
  border:1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color:rgba(99,179,237,0.25);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
}

.btn-success {
  background:linear-gradient(135deg,var(--cyan),var(--green));
  color:#fff;
  box-shadow:0 4px 18px rgba(104,211,145,0.25);
}
.btn-success:hover { transform:translateY(-3px); box-shadow:0 10px 32px rgba(104,211,145,0.4); }

.btn-danger {
  background:rgba(252,129,129,0.1);
  color:var(--red); border:1px solid rgba(252,129,129,0.2);
  padding:6px 13px; font-size:12px;
}
.btn-danger:hover {
  background:rgba(252,129,129,0.2);
  transform:translateY(-1px);
  box-shadow:0 4px 16px rgba(252,129,129,0.2);
}
.btn-sm { padding:9px 16px; font-size:13px; }
.w-full { width:100%; }

/* ═══════════════════════════════════════════════════════════════
   AUTH PAGES (3D card float)
═══════════════════════════════════════════════════════════════ */
.auth-container { display:flex; align-items:center; justify-content:center; min-height:100vh; padding:24px; perspective:var(--perspective); }
.auth-card {
  width:100%; max-width:460px; padding:48px 44px;
  animation: auth-float-in 0.7s cubic-bezier(0.34,1.56,0.64,1) both;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.auth-card:hover {
  transform: translateY(-6px) rotateX(2deg);
  box-shadow: 0 30px 80px rgba(0,0,0,0.7), 0 0 60px rgba(99,179,237,0.08);
}
@keyframes auth-float-in {
  from { opacity:0; transform:translateY(30px) scale(0.95); }
  to   { opacity:1; transform:translateY(0)    scale(1); }
}
.auth-logo      { display:flex; align-items:center; gap:14px; margin-bottom:30px; }
.auth-logo-icon {
  width:46px; height:46px;
  background:linear-gradient(135deg,var(--blue),var(--purple));
  border-radius:14px;
  display:flex; align-items:center; justify-content:center; font-size:20px;
  box-shadow:0 6px 20px rgba(99,179,237,0.35), inset 0 1px 0 rgba(255,255,255,0.2);
  transition:transform var(--t) var(--ease);
}
.auth-logo-icon:hover { transform:rotate(-10deg) scale(1.12); }
.auth-logo-text { font-family:var(--font-h); font-weight:700; font-size:18px; }
.auth-logo-text span { color:var(--blue); }
.auth-title     { font-family:var(--font-h); font-weight:800; font-size:28px; color:var(--txt1); margin-bottom:6px; }
.auth-subtitle  { font-size:14px; color:var(--txt2); margin-bottom:30px; }
.auth-link      { text-align:center; margin-top:22px; font-size:14px; color:var(--txt2); }
.auth-link a    { color:var(--blue); font-weight:600; transition:color 0.2s; }
.auth-link a:hover { color:var(--cyan); }

/* ═══════════════════════════════════════════════════════════════
   ALERTS
═══════════════════════════════════════════════════════════════ */
.alert { padding:12px 16px; border-radius:var(--r-sm); font-size:14px; margin-bottom:18px; display:none; }
.alert.show { display:block; animation:alert-slide-in 0.3s var(--ease) both; }
@keyframes alert-slide-in { from{opacity:0;transform:translateY(-6px)} to{opacity:1;transform:translateY(0)} }
.alert-error   { background:rgba(252,129,129,0.1);  border:1px solid rgba(252,129,129,0.28); color:var(--red); }
.alert-success { background:rgba(104,211,145,0.1);  border:1px solid rgba(104,211,145,0.28); color:var(--green); }
.alert-info    { background:rgba(99,179,237,0.08);  border:1px solid rgba(99,179,237,0.22);  color:var(--blue); }

/* ═══════════════════════════════════════════════════════════════
   SLOT / TOPIC ITEMS (3D lift)
═══════════════════════════════════════════════════════════════ */
.slot-item, .topic-item {
  display:flex; align-items:center; gap:14px;
  padding:13px 18px;
  background: rgba(255,255,255,0.04);
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  margin-bottom:8px;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease),
              border-color var(--t) var(--ease-out), background var(--t) var(--ease-out);
  animation: slide-in 0.25s var(--ease) both;
}
@keyframes slide-in { from{opacity:0;transform:translateX(-8px)} to{opacity:1;transform:translateX(0)} }
.slot-item:hover, .topic-item:hover {
  background: rgba(255,255,255,0.07);
  border-color:rgba(99,179,237,0.22);
  transform: translateX(4px) translateY(-1px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.3), inset 0 0 0 1px rgba(99,179,237,0.1);
}
.slot-time-badge { font-family:var(--font-h); font-weight:700; font-size:15px; color:var(--blue); white-space:nowrap; flex-shrink:0; }
.slot-duration   { font-size:12px; color:var(--txt2); background:rgba(99,179,237,0.1); padding:3px 10px; border-radius:20px; flex-shrink:0; }
.topic-color-bar { width:3px; border-radius:4px; align-self:stretch; flex-shrink:0; min-height:36px; }
.topic-subject   { font-family:var(--font-h); font-weight:600; font-size:14px; color:var(--txt1); }
.topic-name-text { font-size:12px; color:var(--txt2); margin-top:1px; }
.topic-dur       { margin-left:auto; font-size:12px; color:var(--txt2); background:rgba(255,255,255,0.06); padding:3px 10px; border-radius:20px; flex-shrink:0; white-space:nowrap; }

/* ═══════════════════════════════════════════════════════════════
   TIMETABLE
═══════════════════════════════════════════════════════════════ */
.timetable-table { width:100%; border-collapse:collapse; }
.timetable-table th {
  padding:12px 18px; text-align:left; font-size:11px; font-weight:700;
  text-transform:uppercase; letter-spacing:0.08em; color:var(--txt3);
  border-bottom:1px solid var(--border);
}
.timetable-table td { padding:13px 18px; font-size:14px; color:var(--txt1); border-bottom:1px solid rgba(255,255,255,0.04); }
.timetable-table tr:last-child td { border-bottom:none; }
.timetable-table tr { transition:background 0.18s ease; }
.timetable-table tr:hover td {
  background:rgba(99,179,237,0.04);
}
.table-badge { display:inline-block; padding:3px 11px; border-radius:20px; font-size:12px; font-weight:600; white-space:nowrap; }

/* ═══════════════════════════════════════════════════════════════
   TOAST (3D entrance)
═══════════════════════════════════════════════════════════════ */
.toast-container { position:fixed; bottom:24px; right:24px; z-index:9999; display:flex; flex-direction:column; gap:9px; }
.toast {
  padding:13px 20px; border-radius:var(--r-md); font-size:14px; font-weight:500;
  backdrop-filter:blur(24px); max-width:320px;
  display:flex; align-items:center; gap:10px;
  animation: toast-in 0.4s var(--ease) forwards;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
}
.toast.success { background:rgba(104,211,145,0.14); border:1px solid rgba(104,211,145,0.3);  color:var(--green); }
.toast.error   { background:rgba(252,129,129,0.14); border:1px solid rgba(252,129,129,0.3);  color:var(--red); }
.toast.info    { background:rgba(99,179,237,0.11);  border:1px solid rgba(99,179,237,0.28);  color:var(--blue); }
@keyframes toast-in { from{opacity:0;transform:translateX(20px) scale(0.9)} to{opacity:1;transform:translateX(0) scale(1)} }

/* ═══════════════════════════════════════════════════════════════
   PROGRESS BARS (animated glow)
═══════════════════════════════════════════════════════════════ */
.progress-bar-wrap { background:rgba(255,255,255,0.06); border-radius:100px; height:7px; overflow:hidden; margin-top:6px; box-shadow:inset 0 1px 3px rgba(0,0,0,0.3); }
.progress-bar-fill {
  height:100%; border-radius:100px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  transition:width 1.2s cubic-bezier(0.4,0,0.2,1);
  position:relative; overflow:hidden;
}
.progress-bar-fill::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,0.35) 50%,transparent 100%);
  animation:shimmer 2s infinite;
}
@keyframes shimmer { 0%{transform:translateX(-100%)} 100%{transform:translateX(200%)} }

/* ═══════════════════════════════════════════════════════════════
   HISTORY CARDS
═══════════════════════════════════════════════════════════════ */
.history-card { padding:18px 22px; margin-bottom:13px; cursor:pointer; }
.history-card:hover { transform:translateY(-5px) rotateX(2deg); }
.history-card-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:10px; }
.history-date  { font-size:12px; color:var(--txt3); }
.history-count { font-size:11px; background:rgba(99,179,237,0.1); color:var(--blue); padding:3px 10px; border-radius:20px; }

/* ═══════════════════════════════════════════════════════════════
   CALENDAR (3D hover cells)
═══════════════════════════════════════════════════════════════ */
.cal-header, .calendar-grid { display:grid; grid-template-columns:repeat(7,1fr); gap:6px; }
.cal-header { margin-bottom:8px; }
.cal-day-label { text-align:center; font-size:11px; font-weight:700; color:var(--txt3); text-transform:uppercase; letter-spacing:0.07em; padding:6px 0; }
.cal-cell {
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  padding:8px 6px; min-height:88px; cursor:pointer;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), background var(--t) var(--ease-out);
}
.cal-cell:hover {
  background:rgba(255,255,255,0.07);
  border-color:rgba(99,179,237,0.25);
  transform:translateY(-4px) scale(1.02);
  box-shadow:0 10px 30px rgba(0,0,0,0.4);
}
.cal-cell.today { border-color:var(--blue); background:rgba(99,179,237,0.07); box-shadow:inset 0 0 0 1px rgba(99,179,237,0.15); }
.cal-cell-date  { font-size:12px; font-weight:600; color:var(--txt2); margin-bottom:4px; }
.cal-cell.today .cal-cell-date { color:var(--blue); }
.cal-event { font-size:10px; background:rgba(99,179,237,0.15); color:var(--blue); border-radius:4px; padding:2px 5px; margin-bottom:2px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ═══════════════════════════════════════════════════════════════
   CHARTS
═══════════════════════════════════════════════════════════════ */
.chart-container { position:relative; height:264px; }

/* ═══════════════════════════════════════════════════════════════
   PRODUCTIVITY SCORE
═══════════════════════════════════════════════════════════════ */
.prod-score-circle {
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  width:155px; height:155px; border-radius:50%;
  background:conic-gradient(var(--blue) var(--score-deg,0deg),rgba(255,255,255,0.05) 0deg);
  margin:0 auto 20px; position:relative;
  box-shadow:0 0 40px rgba(99,179,237,0.15), 0 0 0 4px rgba(99,179,237,0.08);
  transition:transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.prod-score-circle:hover { transform:scale(1.05); box-shadow:0 0 60px rgba(99,179,237,0.25); }
.prod-score-circle::before { content:''; position:absolute; width:126px; height:126px; border-radius:50%; background:var(--bg-mid); }
.prod-score-number { position:relative; z-index:1; font-family:var(--font-h); font-size:36px; font-weight:800; color:var(--txt1); }
.prod-score-label  { position:relative; z-index:1; font-size:11px; color:var(--txt3); }
.prod-level        { text-align:center; font-family:var(--font-h); font-size:17px; font-weight:700; margin-bottom:5px; }
.level-beginner{color:var(--orange);} .level-good{color:var(--cyan);} .level-excellent{color:var(--blue);} .level-master{color:var(--purple);}

/* ═══════════════════════════════════════════════════════════════
   SPINNER
═══════════════════════════════════════════════════════════════ */
.spinner { width:17px; height:17px; border:2px solid rgba(255,255,255,0.2); border-top-color:#fff; border-radius:50%; animation:spin 0.65s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

/* ═══════════════════════════════════════════════════════════════
   EMPTY STATES
═══════════════════════════════════════════════════════════════ */
.empty-state { text-align:center; padding:40px 20px; color:var(--txt3); }
.empty-state-icon { font-size:42px; margin-bottom:10px; opacity:0.35; }
.empty-state-text { font-size:14px; }

/* ═══════════════════════════════════════════════════════════════
   ADMIN TABLE (3D rows)
═══════════════════════════════════════════════════════════════ */
.user-table { width:100%; border-collapse:collapse; }
.user-table th { padding:12px 18px; text-align:left; font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:0.08em; color:var(--txt3); border-bottom:1px solid var(--border); }
.user-table td { padding:14px 18px; font-size:14px; color:var(--txt1); border-bottom:1px solid rgba(255,255,255,0.04); vertical-align:middle; transition:background 0.18s ease; }
.user-table tr:last-child td { border-bottom:none; }
.user-table tr:hover td { background:rgba(99,179,237,0.04); }
.user-row-num  { color:var(--txt3); font-size:12px; }
.username-cell { display:flex; align-items:center; gap:11px; }
.user-mini-avatar {
  width:32px; height:32px; border-radius:9px;
  background:linear-gradient(135deg,var(--purple),var(--pink));
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-h); font-weight:700; font-size:13px; color:#fff;
  flex-shrink:0;
  box-shadow:0 3px 10px rgba(159,122,234,0.3);
}
.stat-mini { display:inline-flex; align-items:center; gap:6px; background:rgba(99,179,237,0.1); color:var(--blue); padding:4px 12px; border-radius:20px; font-size:13px; }

/* ═══════════════════════════════════════════════════════════════
   NOTES (3D card tilt)
═══════════════════════════════════════════════════════════════ */
.note-card {
  padding:20px; border-radius:var(--r-md);
  border:1px solid var(--border);
  background:var(--bg-card);
  backdrop-filter:blur(22px);
  cursor:default;
  display:flex; flex-direction:column; gap:11px;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t) var(--ease-out);
  position:relative;
}
.note-card:hover {
  border-color:rgba(99,179,237,0.28);
  transform:translateY(-6px) rotateX(3deg) rotateY(-1deg);
  box-shadow:0 20px 50px rgba(0,0,0,0.55), 0 0 0 1px rgba(99,179,237,0.1);
}
.note-card.pinned { border-color:rgba(246,173,85,0.35); background:rgba(246,173,85,0.035); }
.note-card.pinned:hover { border-color:rgba(246,173,85,0.55); }
.note-title  { font-family:var(--font-h); font-weight:700; font-size:15px; color:var(--txt1); word-break:break-word; }
.note-body   { font-size:13px; color:var(--txt2); line-height:1.68; white-space:pre-wrap; word-break:break-word; flex:1; }
.note-footer { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:6px; }
.note-tag    { font-size:10px; padding:3px 9px; border-radius:20px; font-weight:700; letter-spacing:0.05em; }
.note-date   { font-size:11px; color:var(--txt3); }
.note-actions{ display:flex; gap:6px; }
.note-btn {
  width:30px; height:30px; border-radius:8px;
  border:1px solid var(--border); background:rgba(255,255,255,0.04);
  color:var(--txt2); font-size:13px;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  transition:all var(--t) var(--ease);
}
.note-btn:hover {
  background:rgba(255,255,255,0.12);
  color:var(--txt1);
  transform:scale(1.15) rotate(-5deg);
  box-shadow:0 4px 14px rgba(0,0,0,0.3);
}
.pin-badge { position:absolute; top:12px; right:12px; font-size:15px; }
.reminder-badge { display:inline-flex; align-items:center; gap:5px; font-size:11px; padding:3px 10px; border-radius:20px; }
.reminder-badge.active  { background:rgba(99,179,237,0.12);  color:var(--blue);  border:1px solid rgba(99,179,237,0.2); }
.reminder-badge.fired   { background:rgba(104,211,145,0.1);  color:var(--green); border:1px solid rgba(104,211,145,0.2); }
.reminder-badge.overdue { background:rgba(252,129,129,0.1);  color:var(--red);   border:1px solid rgba(252,129,129,0.2); }

/* Notes compose + filters */
.compose-panel { padding:28px 30px; margin-bottom:22px; }
.tag-picker    { display:flex; gap:9px; flex-wrap:wrap; }
.tag-btn {
  padding:6px 15px; border-radius:20px;
  border:1px solid var(--border); background:rgba(255,255,255,0.04);
  font-size:12px; font-weight:600; cursor:pointer;
  transition:all var(--t) var(--ease); color:var(--txt2);
}
.tag-btn:hover  { transform:translateY(-2px); box-shadow:0 4px 14px rgba(0,0,0,0.25); }
.tag-btn.selected { color:#fff; border-color:transparent; }
.modal-overlay { display:none; position:fixed; inset:0; z-index:9999; align-items:center; justify-content:center; padding:20px; background:rgba(0,0,0,0.72); backdrop-filter:blur(10px); }
.modal-overlay.open { display:flex; animation:modal-in 0.3s var(--ease) both; }
@keyframes modal-in { from{opacity:0;transform:scale(0.95)} to{opacity:1;transform:scale(1)} }
.modal-box   { width:100%; max-width:500px; background:#0b1020; border:1px solid rgba(99,179,237,0.15); border-radius:var(--r-xl); padding:30px; box-shadow:0 30px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.05); }
.modal-title { font-family:var(--font-h); font-weight:800; font-size:18px; margin-bottom:22px; color:var(--txt1); }
.filter-bar  { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:22px; }
.filter-btn {
  padding:7px 15px; border-radius:20px;
  border:1px solid var(--border); background:rgba(255,255,255,0.04);
  font-size:12px; color:var(--txt2); cursor:pointer;
  transition:all var(--t) var(--ease);
}
.filter-btn:hover  { transform:translateY(-2px); background:rgba(255,255,255,0.08); }
.filter-btn.active { background:rgba(99,179,237,0.14); color:var(--blue); border-color:rgba(99,179,237,0.3); box-shadow:0 0 14px rgba(99,179,237,0.1); }
.search-input {
  width:100%; padding:11px 16px; border-radius:var(--r-sm);
  background:rgba(255,255,255,0.05); border:1px solid var(--border);
  color:var(--txt1); font-size:14px; outline:none; font-family:var(--font-b);
  margin-bottom:16px; transition:all var(--t) var(--ease);
}
.search-input:focus { border-color:var(--blue); box-shadow:0 0 0 3px rgba(99,179,237,0.1); background:rgba(255,255,255,0.07); }
.search-input::placeholder { color:var(--txt3); }

/* ═══════════════════════════════════════════════════════════════
   CHECKLIST (3D checkbox)
═══════════════════════════════════════════════════════════════ */
.checklist-item {
  display:flex; align-items:center; gap:14px;
  padding:14px 18px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
  border-radius:var(--r-sm); margin-bottom:9px; cursor:pointer;
  transition:transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t) var(--ease-out);
  -webkit-tap-highlight-color:transparent; user-select:none;
}
.checklist-item:hover {
  background:rgba(255,255,255,0.07);
  border-color:rgba(99,179,237,0.22);
  transform:translateX(6px) translateY(-1px);
  box-shadow:0 6px 24px rgba(0,0,0,0.3);
}
.checklist-box {
  width:24px; height:24px; border-radius:7px;
  border:2px solid rgba(255,255,255,0.15);
  background:transparent;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
  transition:all 0.25s var(--ease);
}

/* ═══════════════════════════════════════════════════════════════
   UTILITY CLASSES
═══════════════════════════════════════════════════════════════ */
.divider  { height:1px; background:var(--border); margin:20px 0; }
.flex     { display:flex; }   .flex-col { flex-direction:column; }
.items-center { align-items:center; }   .justify-between { justify-content:space-between; }
.gap-8{gap:8px;} .gap-12{gap:12px;} .gap-16{gap:16px;} .gap-20{gap:20px;}
.mt-8{margin-top:8px;} .mt-16{margin-top:16px;} .mt-20{margin-top:20px;}
.mb-8{margin-bottom:8px;} .mb-16{margin-bottom:16px;} .mb-20{margin-bottom:20px;} .mb-24{margin-bottom:24px;}
.text-sm{font-size:13px;} .text-muted{color:var(--txt2);} .font-display{font-family:var(--font-h);font-weight:700;}
.hidden{display:none!important;}
.color-dot { display:inline-block; width:9px; height:9px; border-radius:50%; margin-right:5px; flex-shrink:0; }
::-webkit-scrollbar{width:5px;height:5px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.08);border-radius:3px;}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.14);}

/* ═══════════════════════════════════════════════════════════════
   MOBILE TOPBAR + HAMBURGER
═══════════════════════════════════════════════════════════════ */
.mobile-topbar {
  display:none; position:fixed; top:0; left:0; right:0; height:58px;
  background:rgba(5,8,22,0.97); backdrop-filter:blur(28px);
  border-bottom:1px solid rgba(99,179,237,0.12);
  box-shadow:0 4px 24px rgba(0,0,0,0.4);
  z-index:1000; align-items:center; justify-content:space-between; padding:0 16px;
}
.mobile-topbar-logo  { display:flex; align-items:center; gap:11px; }
.mobile-topbar-logo-icon {
  width:34px; height:34px;
  background:linear-gradient(135deg,var(--blue),var(--purple));
  border-radius:9px;
  display:flex; align-items:center; justify-content:center; font-size:17px;
  box-shadow:0 4px 14px rgba(99,179,237,0.3);
}
.mobile-topbar-title { font-family:var(--font-h); font-weight:700; font-size:15px; color:#edf2fa; }
.hamburger {
  display:none; width:42px; height:42px;
  background:rgba(99,179,237,0.1);
  border:1px solid rgba(99,179,237,0.25);
  border-radius:11px;
  align-items:center; justify-content:center; flex-direction:column; gap:5px;
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
  transition:all 0.25s ease;
}
.hamburger:hover { background:rgba(99,179,237,0.18); transform:scale(1.05); }
.hamburger span { display:block; width:18px; height:2px; background:#edf2fa; border-radius:2px; transition:all 0.28s ease; transform-origin:center; pointer-events:none; }
.hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; transform:scaleX(0); }
.hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════════════════════════ */
@keyframes alarm-pulse  { from{transform:scale(1)  rotate(-8deg)} to{transform:scale(1.18) rotate(8deg)} }
@keyframes float-up     { 0%{opacity:1;transform:translateY(0) scale(1)} 100%{opacity:0;transform:translateY(-120px) scale(0.3)} }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════════ */
@media(max-width:900px) { .top-row{grid-template-columns:1fr;} }

@media(max-width:700px) {
  :root { --sidebar-w:0px; }
  .mobile-topbar  { display:flex; }
  .hamburger      { display:flex; }
  .main-content   { margin-left:0 !important; padding:72px 14px 52px !important; width:100% !important; }

  .sidebar {
    position:fixed !important; top:0 !important; left:0 !important;
    width:78vw !important; max-width:300px !important; height:100vh !important;
    z-index:2000 !important;
    background:linear-gradient(180deg,#070a18 0%,#03050e 100%) !important;
    border-right:1px solid rgba(99,179,237,0.2) !important;
    transform:translateX(-100%) !important;
    transition:transform 0.3s cubic-bezier(0.4,0,0.2,1) !important;
    box-shadow:none !important;
    padding-top:24px !important;
    overflow-y:auto !important;
    display:flex !important; flex-direction:column !important;
  }
  .sidebar.mobile-open {
    transform:translateX(0) !important;
    box-shadow:8px 0 50px rgba(0,0,0,0.75) !important;
  }
  .nav-item {
    padding:15px 16px !important; font-size:16px !important;
    color:#ccd8e8 !important; font-weight:500 !important;
    border-radius:12px !important; margin:2px 8px !important;
    gap:14px !important; width:calc(100% - 16px) !important;
    -webkit-tap-highlight-color:rgba(99,179,237,0.2) !important;
    pointer-events:all !important; position:relative !important; z-index:3000 !important;
    transform:none !important;
  }
  .nav-item:active { background:rgba(99,179,237,0.22) !important; color:#fff !important; }
  .nav-item.active { background:rgba(99,179,237,0.18) !important; color:#7ec8f5 !important; border-left:3px solid var(--blue) !important; }
  .nav-section { padding:0 8px !important; }
  .nav-section-label { font-size:11px !important; color:#3d5060 !important; padding:0 10px !important; }
  .sidebar-logo { padding:10px 16px 18px !important; }
  .sidebar-footer { padding:12px 8px 20px !important; }
  .user-chip { padding:12px 14px !important; }
  .user-name { font-size:14px !important; }

  .input-row.topic-cols, .input-row.slot-cols { grid-template-columns:1fr !important; }
  .stats-row  { grid-template-columns:repeat(2,1fr) !important; }
  .page-title { font-size:22px !important; white-space:normal !important; }
  .top-row    { grid-template-columns:1fr !important; }
  .section-card { padding:18px 16px 16px !important; }
  .timetable-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .timetable-table { min-width:460px; }
  .cal-cell   { min-height:58px; padding:5px 3px; }
  .cal-day-label { font-size:9px; }
  .auth-card  { padding:32px 22px; }
  .glass:hover { transform:none; }
  .stat-card:hover { transform:none; }
  .note-card:hover { transform:none; }
  #charts-row, #charts-row + div { grid-template-columns:1fr !important; }
}

/* ═══════════════════════════════════════════════════════════════
   LIGHT THEME (full override)
═══════════════════════════════════════════════════════════════ */
body.light {
  --bg-deep: #eef2fc; --bg-mid: #e2e8f7;
  --bg-card: rgba(255,255,255,0.78);
  --bg-card-hover: rgba(255,255,255,0.95);
  --border: rgba(90,120,200,0.14);
  --shadow: 0 6px 28px rgba(70,90,170,0.1);
  --shadow-lg: 0 18px 55px rgba(70,90,170,0.16);
  --txt1: #18213e; --txt2: #45547a; --txt3: #8090b8;
}
body.light .bg-aurora { opacity:0.22; }
body.light .bg-stars  { opacity:0.06; }
body.light .sidebar   { background:linear-gradient(180deg,rgba(234,240,255,0.99),rgba(225,232,255,0.99)) !important; border-right-color:rgba(90,120,200,0.12) !important; box-shadow:4px 0 30px rgba(70,90,170,0.08) !important; }
body.light .sidebar-logo-text small { color:#7a88bb; }
body.light .nav-item  { color:#45547a; }
body.light .nav-item:hover  { background:rgba(90,120,200,0.1) !important; color:#18213e !important; }
body.light .nav-item.active { background:linear-gradient(90deg,rgba(90,120,200,0.15),rgba(90,120,200,0.05)) !important; color:var(--blue) !important; box-shadow:inset 0 0 0 1px rgba(90,120,200,0.2),inset 3px 0 0 var(--blue) !important; }
body.light .sidebar-footer  { border-top-color:rgba(90,120,200,0.12); }
body.light .user-chip       { background:rgba(90,120,200,0.08); border-color:rgba(90,120,200,0.12); }
body.light .mobile-topbar   { background:rgba(234,240,255,0.97); border-bottom-color:rgba(90,120,200,0.18); }
body.light .mobile-topbar-title { color:#18213e; }
body.light .hamburger { background:rgba(90,120,200,0.1); border-color:rgba(90,120,200,0.25); }
body.light .hamburger span { background:#18213e; }
body.light .glass {
  background:rgba(255,255,255,0.78);
  border-color:rgba(90,120,200,0.13);
  box-shadow:0 6px 28px rgba(70,90,170,0.09), inset 0 1px 0 rgba(255,255,255,0.9);
}
body.light .glass:hover { background:rgba(255,255,255,0.95); border-color:rgba(90,120,200,0.22); box-shadow:0 14px 40px rgba(70,90,170,0.16); }
body.light .form-input { background:rgba(255,255,255,0.85); border-color:rgba(90,120,200,0.2); color:#18213e; }
body.light .form-input:hover { border-color:rgba(90,120,200,0.35); background:#fff; }
body.light .form-input:focus { border-color:var(--blue); background:#fff; }
body.light .form-input::placeholder { color:#8090b8; }
body.light .btn-secondary { background:rgba(255,255,255,0.7); color:#18213e; border-color:rgba(90,120,200,0.2); }
body.light .btn-secondary:hover { background:rgba(255,255,255,0.95); }
body.light .slot-item, body.light .topic-item, body.light .checklist-item { background:rgba(255,255,255,0.65); border-color:rgba(90,120,200,0.14); }
body.light .slot-item:hover, body.light .topic-item:hover, body.light .checklist-item:hover { background:rgba(255,255,255,0.88); border-color:rgba(90,120,200,0.28); box-shadow:0 6px 20px rgba(70,90,170,0.1); }
body.light .slot-duration { background:rgba(90,120,200,0.1); color:#45547a; }
body.light .topic-dur     { background:rgba(90,120,200,0.08); color:#45547a; }
body.light .timetable-table th { color:#6a78aa; }
body.light .timetable-table td { color:#18213e; border-bottom-color:rgba(90,120,200,0.08); }
body.light .timetable-table tr:hover td { background:rgba(90,120,200,0.05); }
body.light .note-card { background:rgba(255,255,255,0.78); border-color:rgba(90,120,200,0.13); }
body.light .note-card:hover { box-shadow:0 18px 45px rgba(70,90,170,0.15); }
body.light .note-title { color:#18213e; } body.light .note-body { color:#45547a; } body.light .note-date { color:#8090b8; }
body.light .note-btn { background:rgba(255,255,255,0.6); border-color:rgba(90,120,200,0.14); color:#45547a; }
body.light .note-btn:hover { background:rgba(255,255,255,0.95); color:#18213e; }
body.light .filter-btn { background:rgba(255,255,255,0.6); color:#45547a; border-color:rgba(90,120,200,0.15); }
body.light .filter-btn.active { background:rgba(90,120,200,0.12); color:var(--blue); border-color:rgba(90,120,200,0.3); }
body.light .search-input { background:rgba(255,255,255,0.85); border-color:rgba(90,120,200,0.2); color:#18213e; }
body.light .empty-state { color:#8090b8; }
body.light .page-title  { color:#18213e; } body.light .page-subtitle { color:#45547a; }
body.light .section-title { color:#18213e; } body.light .form-label { color:#45547a; }
body.light .stat-value  { color:#18213e; } body.light .stat-label { color:#45547a; }
body.light .divider { background:rgba(90,120,200,0.12); }
body.light .toast.success { background:rgba(104,211,145,0.14); border-color:rgba(104,211,145,0.3); }
body.light .toast.error   { background:rgba(252,129,129,0.12); border-color:rgba(252,129,129,0.3); }
body.light .toast.info    { background:rgba(99,179,237,0.12);  border-color:rgba(99,179,237,0.25); }
body.light .digital-time  { filter:brightness(0.82); }
body.light #clock-style-panel > div { background:#e4eaf8; }
body.light .modal-box { background:#eef2fc; }
body.light ::-webkit-scrollbar-thumb { background:rgba(90,120,200,0.18); }
body.light .user-table td { color:#18213e; border-bottom-color:rgba(90,120,200,0.08); }
body.light .user-table tr:hover td { background:rgba(90,120,200,0.04); }
body.light .history-card { background:rgba(255,255,255,0.78); }
body.light .cal-cell { background:rgba(255,255,255,0.45); border-color:rgba(90,120,200,0.12); }
body.light .cal-cell:hover { background:rgba(255,255,255,0.85); border-color:rgba(90,120,200,0.28); box-shadow:0 8px 24px rgba(70,90,170,0.1); }

/* ═══════════════════════════════════════════════════════════════
   NOTES GRID RESPONSIVE
═══════════════════════════════════════════════════════════════ */
@media(max-width:700px) {
  .notes-widget-desktop { display:none !important; }
  .notes-widget-mobile  { display:block !important; }
}