@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --navy:        #0b2240;
  --navy-mid:    #123460;
  --blue:        #1a5fa8;
  --blue-light:  #2d8dd9;
  --sky:         #e8f4ff;
  --sky-mid:     #d0e8fa;
  --gold:        #f5a623;
  --gold-light:  #fef3dc;
  --green:       #16a96b;
  --green-light: #d4f5e8;
  --red:         #e84040;
  --red-light:   #fde8e8;
  --orange:      #f59623;
  --orange-light:#fff3e0;
  --purple:      #7c3aed;
  --purple-light:#ede9fe;
  --bg:          #e8eff8;
  --bg2:         #dde8f5;
  --card-bg:     #f4f9ff;
  --text:        #0d1f35;
  --muted:       #5a7490;
  --border:      rgba(11,34,64,0.09);
  --border2:     rgba(11,34,64,0.14);
  --shadow-soft: 0 2px 12px rgba(11,34,64,0.07);
  --shadow-hover:0 10px 36px rgba(11,34,64,0.14);
  --shadow-lg:   0 16px 56px rgba(11,34,64,0.16);
  --radius-sm:   10px;
  --radius-md:   16px;
  --radius-lg:   22px;
  --font-display:'Playfair Display', Georgia, serif;
  --font-body:   'Plus Jakarta Sans', system-ui, sans-serif;
  --upload-bg:   #f0f6ff;
  --input-bg:    #f4f8fd;
  --input-border:#c8d8ea;
  --input-color: #0d1f35;
  --lbl-color:   #123460;
}

:root[data-theme="dark"] {
  --navy:        #b8d0ee;
  --navy-mid:    #a5c5f0;
  --blue:        #5ba8f5;
  --blue-light:  #7dbfff;
  --sky:         #1a2a3f;
  --sky-mid:     #1e3250;
  --gold:        #f5a623;
  --gold-light:  #2e2000;
  --green:       #2fd98a;
  --green-light: #0a2a1c;
  --red:         #ff6b6b;
  --red-light:   #2a0a0a;
  --orange:      #ffb347;
  --orange-light:#2a1500;
  --purple:      #a78bfa;
  --purple-light:#1e1040;
  --bg:          #0d1826;
  --bg2:         #111f33;
  --card-bg:     #152035;
  --text:        #dce8f8;
  --muted:       #7a9bbb;
  --border:      rgba(255,255,255,0.07);
  --border2:     rgba(255,255,255,0.13);
  --shadow-soft: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-hover:0 10px 36px rgba(0,0,0,0.45);
  --shadow-lg:   0 16px 56px rgba(0,0,0,0.5);
  --upload-bg:   #0f1e30;
  --input-bg:    #0a1525;
  --input-border:rgba(255,255,255,0.15);
  --input-color: #dce8f8;
  --lbl-color:   #7dbfff;
}
[data-theme="dark"] select option { background-color: #152035; color: #dce8f8; }

/* AUTOFILL FIX */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus,
select:-webkit-autofill,
select:-webkit-autofill:hover,
select:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text) !important;
  -webkit-box-shadow: 0 0 0px 1000px var(--input-bg) inset !important;
  transition: background-color 5000s ease-in-out 0s;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  opacity: 0;
  transition: opacity 0.4s ease, background-color 0.35s ease, color 0.2s ease;
  -webkit-font-smoothing: antialiased;
}
body.loaded { opacity: 1; }
*, *::before, *::after {
  transition: background-color 0.35s ease, border-color 0.35s ease, color 0.2s ease;
}

/* ═══ AUTH GATE ═══ */
#auth-gate {
  display: none;
  position: fixed; 
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 5000;
  background: var(--bg);
  align-items: center; justify-content: center;
}
[data-theme="dark"] #auth-gate {
  background: #07131f;
}
#auth-gate.show { display: flex; }
.gate-box {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  max-width: 420px; width: 90%;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0,0,0,0.3);
  animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes popIn {
  from { transform: scale(0.85); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}
.gate-icon {
  width: 80px; height: 80px;
  background: var(--sky); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.8rem;
  padding: 4px;
  box-shadow: 0 0 20px rgba(26, 95, 168, 0.2);
  border: 2px solid var(--border);
}
.gate-icon img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
}
.gate-title { font-family: var(--font-display); font-size: 1.9rem; color: var(--navy); margin-bottom: 0.5rem; }
.gate-sub { font-size: 0.92rem; color: var(--muted); margin-bottom: 2rem; line-height: 1.7; }
.gate-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--navy); color: #fff;
  padding: 0.9rem 2rem; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 1rem; text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}
.gate-btn:hover { background: var(--blue); transform: translateY(-2px); }

[data-theme="dark"] .gate-btn { background: var(--blue); color: #fff; }
[data-theme="dark"] .gate-btn:hover { background: var(--blue-light); }

/* ═══ NAVBAR ═══ */
.navbar {
  position: sticky; top: 0; z-index: 200;
  background: var(--card-bg);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.nav-brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.nav-brand img { width: 44px; height: 44px; border-radius: 50%; object-fit: contain; box-shadow: 0 0 0 2px var(--gold), 0 0 0 4px rgba(245,166,35,0.18), 0 4px 14px rgba(245,166,35,0.25); transition: box-shadow 0.25s, transform 0.25s; }
.nav-brand:hover img { transform: scale(1.08); box-shadow: 0 0 0 2px var(--gold), 0 0 0 6px rgba(245,166,35,0.28), 0 6px 22px rgba(245,166,35,0.35); }
.nav-brand span { font-family: var(--font-display); font-size: 1.1rem; color: var(--navy); }
.nav-links { display: flex; align-items: center; gap: 0.2rem; }
.nav-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.45rem 0.9rem; border-radius: var(--radius-sm);
  color: var(--muted); text-decoration: none;
  font-size: 0.88rem; font-weight: 500;
  transition: background 0.2s, color 0.2s;
}
.nav-link:hover, .nav-link.active { background: var(--sky); color: var(--blue); }
[data-theme="dark"] .nav-link:hover, [data-theme="dark"] .nav-link.active { background: var(--sky-mid); color: var(--blue-light); }
.nav-link.active { font-weight: 700; }
.nav-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: transparent; color: var(--red);
  border: 1.5px solid var(--red);
  padding: 0.5rem 1.1rem; border-radius: var(--radius-sm);
  font-size: 0.88rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.2s, color 0.2s;
}
.nav-btn:hover { background: var(--red); color: #fff; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.3rem; color: var(--navy); cursor: pointer; }
.nav-theme-toggle {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--sky); border: 1.5px solid var(--border2);
  color: var(--blue); font-size: 0.9rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.2s, background 0.2s; flex-shrink: 0;
}
.nav-theme-toggle:hover { transform: rotate(20deg) scale(1.1); }

/* ═══ HERO ═══ */
.hero {
  background: linear-gradient(135deg, #0b2240 0%, #123460 55%, #0f4d8a 100%);
  color: #fff;
  padding: 56px 1.5rem 108px;
  text-align: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 80%, rgba(45,141,217,0.2) 0%, transparent 50%),
              radial-gradient(circle at 80% 15%, rgba(245,166,35,0.1) 0%, transparent 45%);
  pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px; padding: 0.3rem 1rem;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 1.2rem; color: rgba(255,255,255,0.88);
}
.hero-badge i { color: var(--gold); }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15; letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.hero-title em { font-style: italic; color: var(--gold); }
.hero-sub {
  max-width: 520px; margin: 0 auto;
  font-size: 0.95rem; line-height: 1.8;
  color: rgba(255,255,255,0.72); font-weight: 300;
}

/* ═══ UPLOAD CARD — floats over hero ═══ */
.upload-float {
  max-width: 1280px; margin: -64px auto 0;
  padding: 0 1.5rem; position: relative; z-index: 10;
}
.upload-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 48px rgba(11,37,69,0.18);
  border: 1px solid var(--border);
  border-top: 3px solid var(--gold);
  overflow: hidden;
  transition: box-shadow 0.3s;
}
.upload-card:hover { box-shadow: 0 12px 56px rgba(11,37,69,0.24); }

/* Header — always dark gradient */
.upload-card-head {
  background: linear-gradient(135deg, #0b2240 0%, #123460 60%, #1a5fa8 100%);
  padding: 1.05rem 1.8rem;
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; user-select: none; gap: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background 0.25s;
  position: relative;
  overflow: hidden;
}
.upload-card-head::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.2s;
  pointer-events: none;
}
.upload-card-head:hover::after { background: rgba(255,255,255,0.04); }
.upload-card-head:active::after { background: rgba(0,0,0,0.08); }

.upload-head-left { display: flex; align-items: center; gap: 0.8rem; }
.upload-head-ic {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.15); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; color: #fff; flex-shrink: 0;
  transition: background 0.2s, transform 0.2s;
}
.upload-card-head:hover .upload-head-ic { background: rgba(255,255,255,0.22); transform: scale(1.05); }
.upload-head-title { font-family: var(--font-display); font-size: 1.05rem; color: #fff; }
.upload-head-sub { font-size: 0.78rem; color: rgba(255,255,255,0.7); margin-top: 0.1rem; }

/* Chevron with smooth rotation */
.upload-chevron-wrap {
  display: flex; align-items: center; gap: 0.6rem;
}
.upload-toggle-hint {
  font-size: 0.72rem; color: rgba(255,255,255,0.5);
  font-weight: 500; letter-spacing: 0.04em;
  transition: color 0.2s;
}
.upload-card-head:hover .upload-toggle-hint { color: rgba(255,255,255,0.75); }
.upload-chevron {
  color: rgba(255,255,255,0.85); font-size: 0.9rem;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), color 0.2s;
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: rgba(255,255,255,0.1); border-radius: 50%;
}
.upload-chevron.open { transform: rotate(180deg); }
.upload-card-head:hover .upload-chevron { background: rgba(255,255,255,0.18); }

/* Body — uses CSS var so it respects theme */
.upload-body {
  display: none;
  padding: 1.8rem 2rem;
  background: var(--upload-bg);
  border-top: 1px solid var(--border);
  animation: none;
}
.upload-body.open {
  display: block;
  animation: panelIn 0.3s cubic-bezier(.2,.8,.3,1);
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: none; }
}

/* ── Upload grid ── */
.upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 160px 160px;
  gap: 0.75rem; margin-bottom: 0.75rem;
}
.upload-full { grid-column: 1 / -1; }

.up-lbl {
  display: block; font-size: 0.72rem; font-weight: 700;
  color: var(--lbl-color); text-transform: uppercase;
  letter-spacing: 0.07em; margin-bottom: 0.35rem;
}

.up-inp, .up-sel, .up-textarea {
  width: 100%; padding: 0.7rem 1rem;
  border: 1.5px solid var(--input-border); border-radius: 10px;
  font-family: var(--font-body); font-size: 0.9rem;
  color: var(--input-color); background: var(--input-bg);
  outline: none; transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.up-inp:focus, .up-sel:focus, .up-textarea:focus {
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(45,141,217,0.15);
  background: var(--card-bg);
}
.up-inp::placeholder, .up-textarea::placeholder { color: var(--muted); opacity: 0.6; }

.up-textarea { resize: vertical; min-height: 80px; }

/* Tags wrap */
.tags-wrap {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  padding: 0.4rem 0.65rem;
  border: 1.5px solid var(--input-border); border-radius: 10px;
  background: var(--input-bg); cursor: text; min-height: 44px;
  align-items: center;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.tags-wrap:focus-within {
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(45,141,217,0.15);
  background: var(--card-bg);
}
.tag-chip {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: var(--sky); color: var(--blue);
  padding: 0.18rem 0.65rem; border-radius: 50px;
  font-size: 0.75rem; font-weight: 600;
}
[data-theme="dark"] .tag-chip { background: rgba(91,168,245,0.15); color: var(--blue-light); }
.tag-rm { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 0.7rem; padding: 0; transition: color 0.2s; }
.tag-rm:hover { color: var(--red); }
.tag-inp { border: none; outline: none; background: transparent; font-family: var(--font-body); font-size: 0.88rem; color: var(--text); min-width: 80px; flex: 1; }

.upload-foot { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 0.75rem; }
.up-submit {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: #0b2240; color: #fff;
  padding: 0.78rem 1.8rem; border-radius: 10px;
  font-weight: 700; font-size: 0.92rem;
  font-family: var(--font-body); border: none; cursor: pointer;
  box-shadow: 0 4px 16px rgba(11,34,64,0.25);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  letter-spacing: 0.01em;
}
.up-submit:hover:not(:disabled) { background: var(--blue); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,95,168,0.32); }
.up-submit:active:not(:disabled) { transform: translateY(0); }
.up-submit:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
[data-theme="dark"] .up-submit { background: var(--gold); color: #0b2240; box-shadow: 0 4px 16px rgba(245,166,35,0.25); }
[data-theme="dark"] .up-submit:hover:not(:disabled) { background: #e09318; box-shadow: 0 6px 20px rgba(245,166,35,0.35); }

.up-hint { font-size: 0.78rem; color: var(--muted); }
.up-hint i { color: var(--gold); margin-right: 0.25rem; }
.up-ok {
  display: none;
  background: var(--green-light); color: var(--green);
  border-radius: var(--radius-sm); padding: 0.65rem 1rem;
  font-size: 0.86rem; font-weight: 600; margin-top: 0.85rem;
}
.up-progress { display: none; margin-top: 0.5rem; }
.up-progress-bar { height: 4px; border-radius: 2px; background: var(--border2); overflow: hidden; }
.up-progress-fill { height: 100%; background: linear-gradient(90deg, var(--blue), var(--green)); transition: width 0.4s; border-radius: 2px; }
.up-progress-label { font-size: 0.72rem; color: var(--muted); margin-top: 0.25rem; }

/* ═══ FILTER BAR ═══ */
.filter-bar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 68px; z-index: 100;
  box-shadow: 0 2px 8px rgba(11,34,64,0.04);
}
.filter-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex; align-items: center; gap: 0.85rem; flex-wrap: wrap;
}
.search-wrap { position: relative; flex: 1; min-width: 180px; max-width: 300px; }
.search-wrap i { position: absolute; left: 0.85rem; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 0.85rem; pointer-events: none; }
.search-inp {
  width: 100%; padding: 0.6rem 0.9rem 0.6rem 2.4rem;
  border: 1.5px solid var(--border2); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.88rem;
  color: var(--text); background: var(--bg);
  outline: none; transition: border-color 0.2s;
}
.search-inp:focus { border-color: var(--blue-light); }
.search-inp::placeholder { color: var(--muted); opacity: 0.6; }
.vdiv { width: 1px; height: 26px; background: var(--border2); flex-shrink: 0; }
.filter-group { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.filter-lbl { font-size: 0.7rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; white-space: nowrap; }
.fb {
  padding: 0.38rem 0.85rem;
  border: 1.5px solid var(--border2); border-radius: 50px;
  background: transparent; color: var(--muted);
  font-family: var(--font-body); font-size: 0.78rem; font-weight: 500;
  cursor: pointer; transition: all 0.18s; white-space: nowrap;
}
.fb:hover, .fb.active { background: var(--navy); border-color: var(--navy); color: #fff; }
[data-theme="dark"] .fb:hover, [data-theme="dark"] .fb.active { background: #1a5fa8; border-color: #1a5fa8; color: #fff; }
.filter-right { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; }
.sort-sel {
  padding: 0.4rem 0.75rem;
  border: 1.5px solid var(--border2); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.78rem;
  color: var(--muted); background: var(--bg);
  outline: none; cursor: pointer;
}
.res-count { font-size: 0.78rem; color: var(--muted); font-weight: 500; white-space: nowrap; }

/* ═══ MAIN ═══ */
.main { max-width: 1280px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }

/* ═══ STATS ROW ═══ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.85rem; margin-bottom: 2rem;
}
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
  display: flex; align-items: center; gap: 0.75rem;
  transition: box-shadow 0.2s, transform 0.2s;
}
.stat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.stat-ic { width: 40px; height: 40px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 0.95rem; flex-shrink: 0; }
.ic-b { background: var(--sky);          color: var(--blue); }
.ic-g { background: var(--gold-light);   color: var(--gold); }
.ic-n { background: var(--green-light);  color: var(--green); }
.ic-p { background: var(--purple-light); color: var(--purple); }
.ic-r { background: var(--red-light);    color: var(--red); }
.stat-num { font-family: var(--font-display); font-size: 1.5rem; color: var(--navy); line-height: 1; }
.stat-lbl { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 500; margin-top: 0.12rem; }

/* ═══ SAVED PANEL ═══ */
.saved-panel { background: var(--card-bg); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); border: 1px solid var(--border); margin-bottom: 1.5rem; overflow: hidden; }
.saved-head { padding: 1rem 1.4rem; display: flex; align-items: center; gap: 0.6rem; cursor: pointer; user-select: none; border-bottom: 1px solid var(--border); transition: background 0.2s; }
.saved-head:hover { background: var(--sky); }
[data-theme="dark"] .saved-head:hover { background: var(--sky-mid); }
.saved-head-title { font-family: var(--font-display); font-size: 1rem; color: var(--navy); flex: 1; }
.saved-count { font-size: 0.72rem; background: var(--gold); color: var(--navy); padding: 0.15rem 0.55rem; border-radius: 50px; font-weight: 700; }
.saved-arrow { font-size: 0.8rem; color: var(--muted); transition: transform 0.25s; }
.saved-arrow.open { transform: rotate(180deg); }
.saved-body { display: none; padding: 1rem 1.4rem; }
.saved-body.open { display: block; animation: panelIn 0.3s ease; }
.saved-chips { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.saved-chip { display: inline-flex; align-items: center; gap: 0.45rem; background: var(--sky); color: var(--blue); padding: 0.35rem 0.85rem; border-radius: 50px; font-size: 0.82rem; font-weight: 500; text-decoration: none; border: none; cursor: pointer; font-family: var(--font-body); transition: background 0.2s; }
.saved-chip:hover { background: var(--sky-mid); }
.chip-x { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 0.72rem; padding: 0; margin-left: 0.1rem; transition: color 0.2s; }
.chip-x:hover { color: var(--red); }
.saved-empty { font-size: 0.88rem; color: var(--muted); }

/* ═══ YEAR ACCORDION ═══ */
.year-block { background: var(--card-bg); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); border: 1px solid var(--border); margin-bottom: 1rem; overflow: hidden; }
.year-head { padding: 1.1rem 1.5rem; display: flex; align-items: center; justify-content: space-between; cursor: pointer; user-select: none; transition: background 0.2s; background: var(--card-bg); }
.year-head:hover { background: var(--sky); }
[data-theme="dark"] .year-head:not(.open):hover { background: var(--sky-mid); }
.year-head.open { background: linear-gradient(90deg, #0b2240 0%, #123460 100%); }
[data-theme="dark"] .year-head.open { background: linear-gradient(90deg, #0b2240 0%, #1a3a5c 100%); }
.year-head-left { display: flex; align-items: center; gap: 0.8rem; }
.year-emoji { font-size: 1.2rem; }
.year-title-text { font-family: var(--font-display); font-size: 1.1rem; }
.year-head:not(.open) .year-title-text { color: var(--navy); }
.year-head.open .year-title-text { color: #fff; }
.year-head-right { display: flex; align-items: center; gap: 0.7rem; }
.year-badge { font-size: 0.72rem; font-weight: 600; padding: 0.2rem 0.65rem; border-radius: 50px; }
.year-head:not(.open) .year-badge { background: var(--sky); color: var(--blue); }
.year-head.open .year-badge { background: rgba(255,255,255,0.18); color: #fff; }
.year-arrow { font-size: 0.85rem; transition: transform 0.3s; }
.year-head:not(.open) .year-arrow { color: var(--muted); }
.year-head.open .year-arrow { color: #fff; transform: rotate(180deg); }
.year-body { display: none; padding: 1.2rem 1.5rem 1.5rem; background: var(--bg2); }
.year-body.open { display: block; animation: panelIn 0.3s ease; }

/* ═══ SUBJECT TABS ═══ */
.subjects-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.2rem; }
.sub-tab { padding: 0.45rem 1rem; border: 1.5px solid var(--border2); border-radius: 50px; background: transparent; color: var(--muted); font-family: var(--font-body); font-size: 0.82rem; font-weight: 500; cursor: pointer; transition: all 0.18s; display: flex; align-items: center; gap: 0.4rem; }
.sub-tab:hover, .sub-tab.active { background: var(--navy); border-color: var(--navy); color: #fff; }
[data-theme="dark"] .sub-tab:hover, [data-theme="dark"] .sub-tab.active { background: #1a5fa8; border-color: #1a5fa8; color: #fff; }
.sub-badge { font-size: 0.68rem; padding: 0.1rem 0.4rem; border-radius: 50px; }
.sub-tab:not(.active) .sub-badge { background: var(--sky); color: var(--blue); }
[data-theme="dark"] .sub-tab:not(.active) .sub-badge { background: rgba(91,168,245,0.15); color: var(--blue-light); }
.sub-tab.active .sub-badge { background: rgba(255,255,255,0.2); color: #fff; }

/* ═══ NOTES PANE & GRID ═══ */
.notes-pane { display: none; }
.notes-pane.active { display: block; animation: panelIn 0.3s ease; }
.notes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 1rem; margin-top: 0.5rem; }

/* ═══ NOTE CARD ═══ */
.note-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}
.note-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: var(--border2); }
.note-card::before { content: ''; display: block; height: 4px; }
.note-card.type-notes::before   { background: linear-gradient(90deg, var(--blue), var(--blue-light)); }
.note-card.type-paper::before   { background: linear-gradient(90deg, var(--gold), #f5c623); }
.note-card.type-lab::before     { background: linear-gradient(90deg, var(--green), #0dd680); }
.note-card.type-assign::before  { background: linear-gradient(90deg, var(--red), #ff8080); }
.note-card.type-project::before { background: linear-gradient(90deg, var(--purple), #a78bfa); }
.note-card.type-other::before   { background: linear-gradient(90deg, var(--muted), #8a9bb0); }
.note-top { padding: 1.15rem 1.15rem 0.85rem; flex: 1; }
.type-badge { display: inline-flex; align-items: center; gap: 0.28rem; padding: 0.2rem 0.65rem; border-radius: 50px; font-size: 0.7rem; font-weight: 700; margin-bottom: 0.55rem; }
.tb-notes   { background: var(--sky);          color: var(--blue); }
.tb-paper   { background: var(--gold-light);   color: #c47a00; }
.tb-lab     { background: var(--green-light);  color: var(--green); }
.tb-assign  { background: var(--red-light);    color: var(--red); }
.tb-project { background: var(--purple-light); color: var(--purple); }
.tb-other   { background: var(--bg2);          color: var(--muted); }
[data-theme="dark"] .tb-paper { color: var(--gold); }
.note-title { font-weight: 700; font-size: 0.93rem; color: var(--navy); line-height: 1.4; margin-bottom: 0.25rem; }
.note-uploader { font-size: 0.75rem; color: var(--muted); display: flex; align-items: center; gap: 0.3rem; margin-top: 0.3rem; }
.note-desc { font-size: 0.78rem; color: var(--muted); line-height: 1.55; margin-top: 0.3rem; margin-bottom: 0.2rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.note-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.45rem; }
.note-tag { display: inline-flex; padding: 0.12rem 0.5rem; border-radius: 50px; background: var(--bg2); color: var(--muted); font-size: 0.68rem; font-weight: 600; border: 1px solid var(--border); }
.note-bot { padding: 0.7rem 1.15rem; background: var(--bg2); border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.note-actions { display: flex; align-items: center; gap: 0.3rem; }
.icon-btn { background: none; border: none; cursor: pointer; padding: 0.3rem 0.4rem; border-radius: var(--radius-sm); font-size: 0.8rem; color: var(--muted); font-family: var(--font-body); display: flex; align-items: center; gap: 0.25rem; transition: color 0.2s, background 0.2s; }
.icon-btn:hover     { background: var(--sky); color: var(--blue); }
[data-theme="dark"] .icon-btn:hover { background: var(--sky-mid); color: var(--blue-light); }
.icon-btn.liked     { color: var(--red); }
.icon-btn.saved-active { color: var(--gold); }
.like-count { font-size: 0.75rem; font-weight: 600; }
.note-views { font-size: 0.72rem; color: var(--muted); display: flex; align-items: center; gap: 0.25rem; }
.copy-btn { color: var(--muted) !important; }
.copy-btn:hover { color: var(--green) !important; background: var(--green-light) !important; }
.uploader-avatar { width: 18px; height: 18px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--navy-mid)); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 0.55rem; font-weight: 700; flex-shrink: 0; }
.view-btn { display: inline-flex; align-items: center; gap: 0.35rem; background: var(--navy); color: #fff; padding: 0.42rem 0.9rem; border: none; border-radius: var(--radius-sm); font-size: 0.78rem; font-weight: 700; font-family: var(--font-body); cursor: pointer; text-decoration: none; transition: background 0.18s, transform 0.15s; white-space: nowrap; }
[data-theme="dark"] .view-btn { background: #1a5fa8; }
.view-btn:hover { background: var(--blue); transform: translateY(-1px); }

/* ═══ EMPTY / LOADING ═══ */
.empty-state { text-align: center; padding: 3rem 2rem; color: var(--muted); }
.empty-state i { font-size: 2.5rem; display: block; margin-bottom: 0.8rem; opacity: 0.3; }
.empty-state h3 { font-family: var(--font-display); color: var(--navy); margin-bottom: 0.4rem; }
.empty-state p { font-size: 0.88rem; }
.loading-wrap { text-align: center; padding: 3rem; color: var(--muted); }
.spin { display: inline-block; animation: spin 1s linear infinite; font-size: 1.8rem; color: var(--blue-light); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══ TOAST ═══ */
#toast {
  position: fixed; bottom: 1.5rem; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--navy); color: #fff; }
[data-theme="dark"] #toast { background: #1a5fa8; }
#toast {
  padding: 0.7rem 1.5rem; border-radius: var(--radius-sm);
  font-size: 0.87rem; font-weight: 500; z-index: 4000;
  transition: transform 0.3s, opacity 0.3s;
  opacity: 0; pointer-events: none;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 0.5rem;
}
#toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
#toast.ok  { background: var(--green); }
#toast.err { background: var(--red); }
#toast.warn{ background: var(--gold); color: var(--navy); }

/* ═══ SCROLL ANIMATIONS ═══ */
.anim { opacity: 0; transform: translateY(24px); transition: opacity 0.6s cubic-bezier(.2,.8,.3,1), transform 0.6s cubic-bezier(.2,.8,.3,1); }
.anim.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; }
.d4 { transition-delay: 0.32s; }
.d5 { transition-delay: 0.40s; }

/* Skeleton */
.note-skel { background: var(--card-bg); border-radius: var(--radius-md); border: 1px solid var(--border); overflow: hidden; }
.skel { background: var(--border2); border-radius: 6px; animation: shimmer 1.4s infinite; }
@keyframes shimmer { 0%,100%{opacity:.5} 50%{opacity:1} }

/* Back-to-top */
#backTop {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 500;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--navy); color: #fff; border: none;
  font-size: 0.9rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s, transform 0.2s;
}
[data-theme="dark"] #backTop { background: var(--blue); }
#backTop.show { opacity: 1; pointer-events: auto; }
#backTop:hover { background: var(--blue); transform: translateY(-2px); }

/* ═══ FOOTER ═══ */
footer { background: #07162a; color: rgba(255,255,255,0.5); padding: 2.2rem 1.5rem; text-align: center; font-size: 0.85rem; }
footer .fl { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 0.9rem; }
footer a { color: rgba(255,255,255,0.4); text-decoration: none; transition: color 0.2s; }
footer a:hover { color: var(--gold); }

/* ═══ LOADER ═══ */
#page-loader {
  position: fixed; inset: 0; z-index: 9999;
  background: #123460;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#page-loader.hide { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; animation: loaderPulse 1.4s ease-in-out infinite; }
.loader-logo { width: 68px; height: 68px; border-radius: 50%; border: 3px solid rgba(255,255,255,0.15); padding: 4px; margin: 0 auto 1rem; }
.loader-logo img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.loader-text { color: rgba(255,255,255,0.7); font-size: 0.82rem; letter-spacing: 0.15em; text-transform: uppercase; }
.loader-bar { width: 120px; height: 2px; background: rgba(255,255,255,0.1); border-radius: 2px; margin: 0.8rem auto 0; overflow: hidden; }
.loader-bar-fill { height: 100%; background: var(--gold); border-radius: 2px; animation: loadBar 1.1s ease forwards; }
@keyframes loadBar { from{width:0} to{width:100%} }
@keyframes loaderPulse { 0%,100%{opacity:1} 50%{opacity:0.6} }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
  .stats-row { grid-template-columns: repeat(3, 1fr); }
  .upload-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--card-bg); padding: 1rem 1.2rem; border-bottom: 1px solid var(--border); gap: 0.2rem; z-index: 199; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .upload-grid { grid-template-columns: 1fr 1fr; }
  .vdiv { display: none; }
  .filter-right { display: none; }
  .hero { padding: 48px 1.2rem 100px; }
  .upload-float { padding: 0 1.2rem; }
}
@media (max-width: 600px) { .upload-grid { grid-template-columns: 1fr !important; } }
@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr 1fr; }
  .upload-grid { grid-template-columns: 1fr; }
  .notes-grid { grid-template-columns: 1fr; }
  .main { padding: 1.2rem 1rem 3rem; }
  .upload-float { padding: 0 1rem; }
  .upload-body { padding: 1.2rem 1rem; }
  .hero-title { font-size: 1.8rem; }
}

/* ═══ NOTE VIEWER MODAL ═══ */
.viewer-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.viewer-modal.show {
  display: flex;
  opacity: 1;
}
.viewer-content {
  background: var(--card-bg);
  width: 100%;
  max-width: 1200px;
  height: 100%;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}
.viewer-modal.show .viewer-content {
  transform: translateY(0);
}
.viewer-header {
  padding: 0.9rem 1.5rem;
  background: #0b2240;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.viewer-title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-right: 1rem;
  letter-spacing: 0.02em;
}
.viewer-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.viewer-btn-icon {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: #fff;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  font-size: 0.85rem;
}
.viewer-btn-icon:hover {
  background: var(--blue);
  transform: translateY(-2px);
}
.viewer-frame-container {
  flex: 1;
  position: relative;
  background: #fff;
}
#viewerFrame {
  width: 100%;
  height: 100%;
  border: none;
}
.viewer-loading {
  position: absolute;
  inset: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 1;
}
.viewer-loading i {
  font-size: 2rem;
  color: var(--blue);
}
.viewer-loading span {
  font-size: 0.9rem;
  color: var(--muted);
}

@media (max-width: 768px) {
  .viewer-modal { padding: 0; }
  .viewer-content { max-height: 100vh; border-radius: 0; }
}