/* ============================================================
   DESIGN SYSTEM — matching kanichi.dev
   ============================================================ */
:root {
  --bg-color:       #0b0c10;
  --card-bg:        rgba(30, 27, 46, 0.65);
  --card-border:    rgba(255, 255, 255, 0.08);
  --text-primary:   #ffffff;
  --text-secondary: #a0a0a0;
  --accent-blue:    #6c63ff;
  --accent-cyan:    #60dbd3;
  --accent-pink:    #ff6584;
  --success:        #4ade80;
  --error:          #f87171;
  --glass-shadow:   0 8px 32px 0 rgba(0, 0, 0, 0.6);
  --font-heading:   'Mali', cursive;
  --font-body:      'Inter', 'Be Vietnam Pro', sans-serif;
  --radius:         16px;
}

/* Light mode */
[data-theme="light"] {
  --bg-color:       #f0f4ff;
  --card-bg:        rgba(255, 255, 255, 0.78);
  --card-border:    rgba(108, 99, 255, 0.15);
  --text-primary:   #1a1a2e;
  --text-secondary: #5a5a7a;
  --accent-blue:    #5b52e8;
  --accent-cyan:    #3dbdb5;
  --accent-pink:    #e84f74;
  --glass-shadow:   0 8px 32px 0 rgba(108, 99, 255, 0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-body);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 30px 16px 60px;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.35s ease, color 0.35s ease;
}

/* ============================================================
   ANIMATED BACKGROUND ORBS
   ============================================================ */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.5;
  animation: float 20s infinite ease-in-out alternate;
  pointer-events: none;
}
.orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
  top: -100px; left: -100px;
  animation-delay: 0s;
}
.orb-2 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
  bottom: -50px; right: -50px;
  animation-delay: -5s;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--accent-pink) 0%, transparent 70%);
  top: 40%; left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
  opacity: 0.3;
}
@keyframes float {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(30px, 50px) scale(1.1); }
  100% { transform: translate(-30px, -30px) scale(0.9); }
}
[data-theme="light"] .orb-1 { background: radial-gradient(circle, rgba(108,99,255,0.4) 0%, transparent 70%); opacity: 0.35; }
[data-theme="light"] .orb-2 { background: radial-gradient(circle, rgba(61,189,181,0.5) 0%, transparent 70%); opacity: 0.35; }
[data-theme="light"] .orb-3 { background: radial-gradient(circle, rgba(232,79,116,0.4) 0%, transparent 70%); opacity: 0.2; }

/* ============================================================
   GLASS CARD
   ============================================================ */
.glass-card {
  width: 100%;
  max-width: 620px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 24px;
  border: 1px solid var(--card-border);
  box-shadow: var(--glass-shadow);
  padding: 40px 36px;
  position: relative;
  z-index: 1;
  margin-top: 20px;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
[data-theme="light"] .glass-card {
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 8px 40px rgba(108,99,255,0.12), 0 2px 8px rgba(0,0,0,0.06);
}

/* ============================================================
   TOP BAR (back + lang + theme)
   ============================================================ */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.top-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.back-link:hover { color: var(--accent-cyan); }

/* Language switcher */
.language-switcher {
  display: flex;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 10px;
  padding: 3px;
  border: 1px solid var(--card-border);
}
[data-theme="light"] .language-switcher {
  background: rgba(0,0,0,0.06);
  border-color: rgba(108,99,255,0.2);
}
.language-switcher a {
  padding: 4px 10px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 7px;
  transition: background 0.2s, color 0.2s;
}
.language-switcher a.active {
  background: var(--text-primary);
  color: var(--bg-color);
}
[data-theme="light"] .language-switcher a.active { background: var(--text-primary); color: var(--bg-color); }
[data-theme="light"] .language-switcher a { color: var(--text-secondary); }
.language-switcher a:hover:not(.active) { color: var(--text-primary); }

/* Theme button */
.theme-btn {
  width: 32px; height: 32px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}
.theme-btn:hover { background: rgba(255,255,255,0.12); color: var(--text-primary); transform: rotate(20deg); }
[data-theme="light"] .theme-btn { background: rgba(0,0,0,0.05); border-color: rgba(108,99,255,0.2); }
[data-theme="light"] .theme-btn:hover { background: rgba(108,99,255,0.1); color: var(--accent-blue); }

/* ============================================================
   BRAND HEADER
   ============================================================ */
.brand {
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 16px rgba(108, 99, 255, 0.4);
  flex-shrink: 0;
}
.brand-text h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.brand-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 3px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ============================================================
   URL INPUT AREA
   ============================================================ */
.input-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: block;
}
textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  resize: none;
  min-height: 80px;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.35s;
  margin-bottom: 8px;
  line-height: 1.6;
}
textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}
textarea::placeholder { color: rgba(160, 160, 160, 0.5); }
[data-theme="light"] textarea { background: rgba(255,255,255,0.55); }
[data-theme="light"] textarea::placeholder { color: rgba(100,100,120,0.5); }

.hint {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-bottom: 18px;
  opacity: 0.7;
}

/* ============================================================
   CONTROLS BAR
   ============================================================ */
.controls {
  display: flex;
  gap: 10px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  align-items: center;
}

.format-toggle {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 4px;
}
[data-theme="light"] .format-toggle { background: rgba(0,0,0,0.06); }

.fmt-btn {
  padding: 7px 16px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  display: flex; align-items: center; gap: 6px;
}
.fmt-btn.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #fff;
}
.fmt-btn:hover:not(.active) {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

.fetch-btn {
  margin-left: auto;
  padding: 9px 28px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  box-shadow: 0 4px 16px rgba(108, 99, 255, 0.35);
  display: flex; align-items: center; gap: 8px;
}
.fetch-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(108, 99, 255, 0.5);
}
.fetch-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  display: none;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  color: var(--text-secondary);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.divider.visible { display: flex; }
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--card-border);
}

/* ============================================================
   RESULT CARDS
   ============================================================ */
#cards { display: flex; flex-direction: column; gap: 14px; }

.card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  transition: border-color 0.2s, transform 0.2s;
  animation: slideIn 0.3s ease;
}
[data-theme="light"] .card { background: rgba(255,255,255,0.45); }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card:hover { border-color: rgba(108, 99, 255, 0.3); }
.card.card-error { border-color: rgba(248, 113, 113, 0.3); }

.card-thumb {
  width: 120px; min-height: 80px;
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.4);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.card-thumb.loading {
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.no-thumb { width: 36px; height: 36px; color: var(--text-secondary); opacity: 0.4; }
.card-error-icon { width: 32px; height: 32px; color: var(--error); opacity: 0.6; }

.card-body {
  flex: 1;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.card-title { font-size: 0.88rem; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-meta  { font-size: 0.72rem; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-error-msg { font-size: 0.78rem; color: var(--error); }
.card-error-url { font-size: 0.68rem; color: var(--text-secondary); opacity: 0.6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.skeleton-line { height: 10px; border-radius: 5px; background: rgba(255,255,255,0.06); animation: shimmer 1.5s infinite; background-size: 200% 100%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.short  { width: 40%; }

.card-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 4px; }
.card-dl-btn {
  padding: 6px 16px; border: none; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #fff; font-family: var(--font-body); font-size: 0.78rem; font-weight: 600;
  cursor: pointer; transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(108, 99, 255, 0.3);
}
.card-dl-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(108, 99, 255, 0.45); }
.card-dl-btn.done { background: linear-gradient(135deg, #2d8a4e, #4ade80); box-shadow: 0 2px 8px rgba(74,222,128,0.3); }

.q-chip {
  padding: 4px 10px; border-radius: 7px;
  border: 1px solid var(--card-border); background: transparent;
  color: var(--text-secondary); font-family: var(--font-body); font-size: 0.72rem;
  cursor: pointer; transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.q-chip.active { background: rgba(108,99,255,0.2); border-color: var(--accent-blue); color: var(--accent-blue); }
.q-chip:hover:not(.active) { background: rgba(255,255,255,0.05); color: var(--text-primary); }

.card-status { font-size: 0.75rem; display: flex; align-items: center; gap: 6px; }
.card-status.downloading { color: var(--accent-cyan); }
.card-status.done  { color: var(--success); }
.card-status.error { color: var(--error); }

.spin {
  display: inline-block; width: 12px; height: 12px;
  border: 2px solid rgba(96,219,211,0.3); border-top-color: var(--accent-cyan);
  border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Download All */
.dl-all-bar { padding: 12px 0 4px; display: flex; justify-content: center; }
.dl-all-btn {
  padding: 10px 36px; border: none; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-pink), #e85d2a);
  color: #fff; font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(255,101,132,0.35);
}
.dl-all-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,101,132,0.5); }
.dl-all-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

/* ============================================================
   COOKIES BAR
   ============================================================ */
.cookies-bar {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 20px; padding: 9px 14px;
  border: 1px dashed var(--card-border); border-radius: var(--radius);
  background: rgba(0,0,0,0.2); cursor: pointer;
  transition: border-color 0.2s, background 0.2s; user-select: none;
}
[data-theme="light"] .cookies-bar { background: rgba(0,0,0,0.04); }
.cookies-bar:hover { border-color: rgba(108,99,255,0.5); background: rgba(108,99,255,0.06); }
.cookies-bar.has-cookies { border-color: rgba(74,222,128,0.35); background: rgba(74,222,128,0.05); }

.cookies-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-secondary); flex-shrink: 0; transition: background 0.3s; }
.cookies-dot.active { background: var(--success); box-shadow: 0 0 6px rgba(74,222,128,0.6); }
.cookies-label { font-size: 0.78rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.07em; flex: 1; }
.cookies-status-text { font-size: 0.72rem; color: var(--text-secondary); }
.cookies-status-text.ok { color: var(--success); }

/* Modal */
.cookies-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.65); z-index: 999;
  align-items: center; justify-content: center;
}
.cookies-modal-overlay.open { display: flex; }
.cookies-modal {
  background: #1a1a2e; border: 1px solid var(--card-border);
  border-radius: 16px; padding: 24px;
  width: min(420px, 92vw); box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  position: relative;
}
[data-theme="light"] .cookies-modal { background: #f8f9fc; }
.cookies-modal-title { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.cookies-modal-close { position: absolute; top: 14px; right: 16px; background: none; border: none; color: var(--text-secondary); font-size: 1.1rem; cursor: pointer; padding: 4px 8px; border-radius: 6px; transition: background 0.2s; }
.cookies-modal-close:hover { background: rgba(255,255,255,0.08); }
.cookies-drop { border: 1.5px dashed rgba(255,255,255,0.12); border-radius: 10px; padding: 18px 14px; text-align: center; cursor: pointer; transition: border-color 0.2s, background 0.2s; font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 10px; }
.cookies-drop:hover, .cookies-drop.drag-over { border-color: var(--accent-blue); background: rgba(108,99,255,0.08); color: var(--text-primary); }
.cookies-drop i { display: block; font-size: 1.4rem; margin-bottom: 6px; color: var(--accent-blue); }
.cookies-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.cookies-del-btn { padding: 5px 14px; border: 1px solid rgba(248,113,113,0.4); border-radius: 8px; background: transparent; color: var(--error); font-family: var(--font-body); font-size: 0.75rem; cursor: pointer; transition: background 0.2s; }
.cookies-del-btn:hover { background: rgba(248,113,113,0.1); }
.cookies-hint { font-size: 0.68rem; color: var(--text-secondary); opacity: 0.65; line-height: 1.5; margin-top: 8px; }
.cookies-hint a { color: var(--accent-cyan); text-decoration: none; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  margin-top: 28px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-secondary);
  opacity: 0.5;
  letter-spacing: 0.03em;
}
[data-theme="light"] .site-footer { color: rgba(26,26,46,0.35); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 480px) {
  .glass-card { padding: 28px 20px; }
  .brand-text h1 { font-size: 1.6rem; }
  .controls { gap: 8px; }
  .fetch-btn { margin-left: 0; width: 100%; justify-content: center; }
  .card-thumb { width: 90px; }
}