/* ── Reset & Base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Backgrounds */
  --bg:        #f8faff;
  --bg-2:      #ffffff;
  --bg-3:      #f1f5fd;
  --bg-4:      #e8effa;

  /* Borders */
  --border:       rgba(37, 99, 235, 0.1);
  --border-hover: rgba(37, 99, 235, 0.25);

  /* Text */
  --text:   #0d1b3e;
  --text-2: #5b6f96;
  --text-3: #94a3b8;

  /* Blue Palette */
  --blue-1:    #1d4ed8;
  --blue-2:    #2563eb;
  --blue-3:    #3b82f6;
  --blue-4:    #60a5fa;
  --blue-5:    #bfdbfe;
  --blue-glow: rgba(37, 99, 235, 0.15);

  /* Accent / Highlight */
  --cyan:    #06b6d4;
  --indigo:  #4f46e5;
  --green:   #10b981;

  /* Gradients */
  --grad-hero:   linear-gradient(135deg, #1d4ed8 0%, #2563eb 40%, #0ea5e9 100%);
  --grad-btn:    linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
  --grad-badge:  linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  --grad-card:   linear-gradient(160deg, #ffffff 0%, #f8faff 100%);
  --grad-mesh:   radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.12) 0%, transparent 60%),
                 radial-gradient(ellipse at 80% 20%, rgba(6,182,212,0.1) 0%, transparent 55%),
                 radial-gradient(ellipse at 60% 80%, rgba(79,70,229,0.08) 0%, transparent 50%);

  --card-radius:  14px;
  --modal-radius: 20px;
  --transition:   0.18s ease;
  --shadow-sm:    0 1px 3px rgba(13,27,62,0.07), 0 1px 2px rgba(13,27,62,0.05);
  --shadow-card:  0 4px 20px rgba(13,27,62,0.08), 0 1px 4px rgba(13,27,62,0.05);
  --shadow-card-hover: 0 12px 40px rgba(37,99,235,0.14), 0 4px 12px rgba(13,27,62,0.08);
  --shadow-modal: 0 24px 80px rgba(13,27,62,0.18), 0 8px 24px rgba(13,27,62,0.1);
  --shadow-btn:   0 4px 14px rgba(37,99,235,0.35);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--blue-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ────────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(37,99,235,0.06);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.logo:hover { text-decoration: none; }
.logo-icon {
  width: 30px; height: 30px;
  background: var(--grad-btn);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: white;
  box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}
.logo strong { color: var(--blue-2); }

/* ── Nav layout ────────────────────────────────────────────────── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  margin-left: 36px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Nav items (flat links) ─────────────────────────────────────── */
.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 7px 14px;
  border-radius: 8px;
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  line-height: 1;
}
.nav-link:hover,
.nav-item.open .nav-link {
  background: var(--bg-3);
  color: var(--text);
  text-decoration: none;
}

.nav-chevron {
  width: 13px;
  height: 13px;
  opacity: 0.5;
  transition: transform 0.18s ease, opacity 0.18s ease;
  flex-shrink: 0;
}
.nav-item.open .nav-chevron {
  transform: rotate(180deg);
  opacity: 0.9;
}

/* ── Dropdown panel ─────────────────────────────────────────────── */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 230px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 12px 40px rgba(13,27,62,0.13), 0 2px 8px rgba(13,27,62,0.06);
  padding: 6px;
  z-index: 200;
  /* hidden by default */
  opacity: 0;
  transform: translateY(-6px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease;
  transform-origin: top left;
}
.nav-item.open .nav-dropdown {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* ── Dropdown items ─────────────────────────────────────────────── */
.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 9px;
  color: var(--text);
  text-decoration: none;
  transition: background var(--transition);
  cursor: pointer;
}
.nav-dropdown-item:hover {
  background: var(--bg-3);
  text-decoration: none;
  color: var(--text);
}

.nav-dd-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.nav-dd-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-dd-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}

.nav-dd-desc {
  font-size: 0.75rem;
  color: var(--text-3);
  line-height: 1.3;
}

/* Divider inside dropdown */
.nav-dd-divider {
  height: 1px;
  background: var(--border);
  margin: 5px 6px;
}

/* Keep old .nav-pill for prompt-lab.html back-link */
.nav-pill {
  padding: 7px 14px;
  border-radius: 8px;
  background: none;
  color: var(--text-2);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.nav-pill:hover {
  background: var(--bg-3);
  color: var(--text);
  text-decoration: none;
}
.nav-pill-ghost { /* alias */ }
.nav-pill-lab { /* kept for compat */ }

/* Active states */
.nav-link-active {
  color: var(--blue-2) !important;
  font-weight: 600;
}
.nav-link-active .nav-chevron { opacity: 0.8; }

.nav-dropdown-item.nav-dd-active .nav-dd-title { color: var(--blue-2); }
.nav-dropdown-item.nav-dd-active .nav-dd-icon {
  background: var(--grad-badge);
  border-color: var(--blue-5);
}

/* ── Hamburger (network switcher) ──────────────────────────────── */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition);
}
.nav-hamburger:hover,
.nav-item.open .nav-hamburger {
  background: var(--bg-3);
}
.nav-hamburger span {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--text-2);
  transition: background var(--transition), transform 0.18s ease, opacity 0.18s ease;
}
/* Animate to X when open */
.nav-item.open .nav-hamburger span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-item.open .nav-hamburger span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-item.open .nav-hamburger span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Network panel specifics */
.nav-network-panel {
  min-width: 250px;
}

.nav-network-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  padding: 6px 12px 4px;
}

.nav-dd-icon-beat {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border-color: #2a2a4e;
  font-size: 0.9rem;
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn-primary {
  padding: 10px 22px;
  border-radius: 99px;
  background: var(--grad-btn);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,0.45); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-ghost {
  padding: 10px 22px;
  border-radius: 99px;
  background: white;
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover { border-color: var(--blue-3); color: var(--blue-2); }

.btn-view {
  padding: 7px 14px;
  border-radius: 8px;
  background: var(--grad-badge);
  color: var(--blue-2);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--blue-5);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-view:hover { background: var(--grad-btn); color: #fff; border-color: transparent; box-shadow: var(--shadow-btn); }

.btn-danger {
  padding: 7px 14px;
  border-radius: 8px;
  background: #fff1f2;
  color: #e11d48;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid #fecdd3;
  transition: var(--transition);
}
.btn-danger:hover { background: #ffe4e6; border-color: #fda4af; }

.btn-copy {
  padding: 6px 12px;
  border-radius: 8px;
  background: white;
  color: var(--text-2);
  font-size: 0.8rem;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  box-shadow: var(--shadow-sm);
}
.btn-copy:hover { color: var(--blue-2); border-color: var(--blue-3); background: var(--bg-3); }
.btn-copy.copied { color: var(--green); border-color: #6ee7b7; background: #f0fdf4; }

/* ── Auth Area ─────────────────────────────────────────────────── */
.auth-logged-out { display: flex; gap: 8px; align-items: center; }
.auth-logged-in { display: flex; gap: 10px; align-items: center; }

.auth-username {
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}
.auth-username::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(16,185,129,0.2);
}

.btn-login, .btn-register {
  padding: 7px 16px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: white;
  color: var(--text-2);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-login:hover { border-color: var(--blue-3); color: var(--blue-2); }
.btn-register {
  background: var(--bg-3);
  color: var(--blue-2);
  border-color: var(--blue-5);
  font-weight: 600;
}
.btn-register:hover { background: var(--blue-5); border-color: var(--blue-4); }

.btn-logout {
  padding: 7px 14px;
  border-radius: 99px;
  font-size: 0.8rem;
  cursor: pointer;
  border: 1px solid var(--border);
  background: white;
  color: var(--text-2);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-logout:hover { border-color: #fda4af; color: #e11d48; background: #fff1f2; }

.btn-admin-console {
  padding: 7px 14px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid rgba(79,70,229,0.25);
  background: #eef2ff;
  color: #4f46e5;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  box-shadow: var(--shadow-sm);
}
.btn-admin-console:hover {
  background: #e0e7ff;
  border-color: #4f46e5;
  text-decoration: none;
  color: #4338ca;
  transform: translateY(-1px);
}

/* ── Hero ──────────────────────────────────────────────────────── */
.hero {
  padding: 88px 28px 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--grad-mesh), #f8faff;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563eb' fill-opacity='0.025'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-inner { max-width: 700px; margin: 0 auto; position: relative; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 99px;
  background: white;
  border: 1px solid var(--blue-5);
  color: var(--blue-2);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: 0 2px 12px rgba(37,99,235,0.1);
  letter-spacing: 0.02em;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--grad-btn);
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  color: var(--text);
}

.gradient-text {
  background: var(--grad-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  color: var(--text-2);
  font-size: 1.05rem;
  margin-bottom: 36px;
  line-height: 1.75;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: white;
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 13px 20px;
  transition: var(--transition);
  max-width: 560px;
  margin: 0 auto 28px;
  box-shadow: 0 4px 16px rgba(37,99,235,0.08), var(--shadow-sm);
}
.search-bar:focus-within {
  border-color: var(--blue-3);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.1), 0 4px 16px rgba(37,99,235,0.1);
}
.search-bar svg { width: 18px; height: 18px; color: var(--blue-3); flex-shrink: 0; }
.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}
.search-bar input::placeholder { color: var(--text-3); }

.hero-stats {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--grad-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.75rem; color: var(--text-3); font-weight: 500; }

/* ── Category Tabs ─────────────────────────────────────────────── */
.tabs-section {
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 62px;
  z-index: 90;
}
.tabs-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs-inner::-webkit-scrollbar { display: none; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 12px 0;
  white-space: nowrap;
}

.tab-btn {
  padding: 7px 18px;
  border-radius: 99px;
  background: transparent;
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  font-family: inherit;
}
.tab-btn:hover { color: var(--blue-2); background: var(--bg-3); }
.tab-btn.active {
  background: var(--grad-btn);
  color: white;
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 3px 10px rgba(37,99,235,0.3);
}

.tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 16px;
  padding: 0 5px;
  border-radius: 99px;
  background: rgba(37,99,235,0.12);
  color: var(--blue-2);
  font-size: 0.65rem;
  font-weight: 700;
  margin-left: 4px;
  vertical-align: middle;
}
.tab-btn.active .tab-count {
  background: rgba(255,255,255,0.25);
  color: white;
}

.tabs-toggle-wrap {
  display: flex;
  align-items: center;
  margin-left: auto;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

.tabs-toggle {
  padding: 5px 12px;
  border-radius: 99px;
  background: var(--bg-3);
  color: var(--text-2);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
}
.tabs-toggle:hover { border-color: var(--blue-3); color: var(--blue-2); }
.tabs-toggle.active {
  background: #eff6ff;
  color: var(--blue-2);
  border-color: var(--blue-5);
}

/* ── Gallery ───────────────────────────────────────────────────── */
.gallery-section { padding: 36px 28px 72px; }
.gallery-inner { max-width: 1280px; margin: 0 auto; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
  gap: 22px;
}

/* ── Card ──────────────────────────────────────────────────────── */
.card {
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}
.card:hover {
  border-color: rgba(37,99,235,0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card-img-wrap {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  position: relative;
}
.card-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.card:hover .card-img { transform: scale(1.04); }

.card-img-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px;
  color: var(--blue-4);
}
.card-img-placeholder svg { width: 36px; height: 36px; opacity: 0.5; }
.card-img-placeholder span { font-size: 0.75rem; color: var(--text-3); }
.card-img-placeholder.hidden { display: none; }

.card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-category {
  padding: 3px 10px;
  border-radius: 99px;
  background: var(--grad-badge);
  color: var(--blue-2);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid var(--blue-5);
}

.card-date { font-size: 0.75rem; color: var(--text-3); }

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 0.83rem;
  color: var(--text-2);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.card-author {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--text-3);
  font-weight: 500;
}
.card-author svg { width: 14px; height: 14px; }

/* ── States ────────────────────────────────────────────────────── */
.loading-state, .empty-state {
  grid-column: 1/-1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 24px;
  color: var(--text-2);
}

.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--bg-4);
  border-top-color: var(--blue-3);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-icon {
  width: 64px; height: 64px;
  background: var(--grad-badge);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  border: 1px solid var(--blue-5);
}
.empty-state h3 { font-size: 1.2rem; font-weight: 700; color: var(--text); }
.empty-state p { font-size: 0.9rem; margin-bottom: 4px; }

/* ── Pagination ────────────────────────────────────────────────── */
.pagination {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 48px;
  flex-wrap: wrap;
}

.page-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  background: white;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: var(--shadow-sm);
}
.page-btn:hover { border-color: var(--blue-3); color: var(--blue-2); background: var(--bg-3); }
.page-btn.active { background: var(--grad-btn); border-color: transparent; color: #fff; box-shadow: var(--shadow-btn); }
.page-btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* ── Modal ─────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(13,27,62,0.45);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.15s ease;
}
.modal-overlay[hidden] { display: none; }

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

.modal {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--modal-radius);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-modal);
  animation: slideUp 0.2s ease;
}

.modal-wide { max-width: 920px; }
.modal-sm { max-width: 420px; }

.modal-close {
  position: absolute; top: 18px; right: 18px;
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  line-height: 1;
}
.modal-close:hover { color: var(--text); background: var(--bg-4); border-color: var(--border-hover); }

.modal-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 26px;
  color: var(--text);
  letter-spacing: -0.02em;
}

/* ── View Modal ────────────────────────────────────────────────── */
.modal-view-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
@media (max-width: 640px) { .modal-view-layout { grid-template-columns: 1fr; } }

.view-image-section { display: flex; flex-direction: column; gap: 12px; }
.view-img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  object-fit: cover;
  box-shadow: var(--shadow-card);
}
.view-img-placeholder {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-radius: 12px;
  border: 1px solid var(--blue-5);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px;
  color: var(--blue-4);
}
.view-img-placeholder svg { width: 40px; height: 40px; opacity: 0.5; }

.view-info-section { display: flex; flex-direction: column; gap: 16px; }

.view-category-badge {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 99px;
  background: var(--grad-badge);
  color: var(--blue-2);
  font-size: 0.78rem;
  font-weight: 700;
  border: 1px solid var(--blue-5);
  width: fit-content;
}

.view-title {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: -0.02em;
}

.view-desc { color: var(--text-2); font-size: 0.9rem; line-height: 1.65; }

.view-meta { display: flex; gap: 16px; flex-wrap: wrap; }
.view-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--text-3);
  font-weight: 500;
}
.view-meta-item svg { width: 14px; height: 14px; }

.prompt-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.prompt-code {
  background: #f8faff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  font-family: 'Fira Code', monospace;
  font-size: 0.82rem;
  color: var(--text);
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 220px;
  overflow-y: auto;
  flex: 1;
}

.prompt-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }

/* ── Form ──────────────────────────────────────────────────────── */
.form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.required { color: #e11d48; }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-3);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
  width: 100%;
}
.form-group textarea {
  resize: vertical;
  font-family: 'Fira Code', monospace;
  font-size: 0.82rem;
  line-height: 1.65;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-3);
  background: white;
  box-shadow: 0 0 0 4px rgba(37,99,235,0.08);
}

.form-actions { display: flex; gap: 10px; justify-content: flex-end; }

.form-error { color: #e11d48; font-size: 0.82rem; min-height: 1.2em; }
.form-hint { font-size: 0.82rem; color: var(--text-3); text-align: center; }

/* ── Upload Area ───────────────────────────────────────────────── */
.upload-area {
  border: 2px dashed var(--blue-5);
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
  background: linear-gradient(135deg, #f8faff, #eff6ff);
}
.upload-area:hover { border-color: var(--blue-3); background: #eff6ff; }
.upload-area.dragover { border-color: var(--blue-2); background: #dbeafe; }

.upload-placeholder {
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-2);
}
.upload-placeholder svg { width: 32px; height: 32px; color: var(--blue-3); opacity: 0.7; }
.upload-placeholder span { font-size: 0.9rem; font-weight: 600; color: var(--blue-2); }
.upload-placeholder small { font-size: 0.75rem; color: var(--text-3); }

.upload-preview {
  width: 100%;
  max-height: 280px;
  object-fit: contain;
  display: block;
  background: var(--bg-3);
}

/* ── Toast ─────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  max-width: 320px;
  animation: slideRight 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(13,27,62,0.12);
}
.toast-success { background: #f0fdf4; border: 1px solid #86efac; color: #16a34a; }
.toast-error   { background: #fff1f2; border: 1px solid #fda4af; color: #e11d48; }
.toast-info    { background: white;   border: 1px solid var(--border); color: var(--text); }

@keyframes slideRight { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ── Footer ────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 28px;
  text-align: center;
  background: white;
}
.footer-inner { color: var(--text-3); font-size: 0.82rem; font-weight: 500; }

/* ── Scrollbar ─────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue-4); }

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero { padding: 52px 16px 44px; }
  .gallery-section { padding: 20px 16px 48px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
  .modal { padding: 24px 20px; }
  .nav-inner { padding: 0 16px; }
}