/* ============================================================
   Hreflang Extractor — style.css
   ============================================================ */

:root {
  --bg:          #0d0e11;
  --bg-panel:    #13151a;
  --bg-elevated: #1a1d24;
  --border:      #2a2d36;
  --border-hi:   #3d4150;

  --text-primary:   #e8eaf0;
  --text-secondary: #848894;
  --text-muted:     #555868;

  --accent:       #f5a623;
  --accent-dim:   rgba(245, 166, 35, 0.12);
  --accent-glow:  rgba(245, 166, 35, 0.25);

  --green:  #3ecf8e;
  --red:    #f56565;

  --font-display: 'Syne', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --font-body:    'DM Sans', sans-serif;

  --radius:    6px;
  --radius-lg: 12px;
  --transition: 150ms ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(255,255,255,0.012) 3px, rgba(255,255,255,0.012) 4px
  );
}

.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(245,166,35,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
}

/* ── Header ── */
.site-header {
  position: relative; z-index: 1;
  text-align: center;
  padding: 56px 24px 40px;
  border-bottom: 1px solid var(--border);
}
.logo {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 800; letter-spacing: -0.02em;
  color: var(--text-primary); line-height: 1; margin-bottom: 12px;
}
.logo-bracket { color: var(--text-muted); }
.logo-accent  { color: var(--accent); }
.tagline {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--text-secondary); letter-spacing: 0.08em; text-transform: uppercase;
}

/* ── Main ── */
.main {
  position: relative; z-index: 1; flex: 1;
  width: 100%; max-width: 860px; margin: 0 auto;
  padding: 40px 20px 64px;
}

/* ── Mode tabs ── */
.mode-tabs {
  display: flex; gap: 4px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 20px;
  width: fit-content;
}
.mode-tab {
  padding: 7px 20px;
  background: transparent; border: none;
  border-radius: calc(var(--radius) - 2px);
  color: var(--text-secondary);
  font-family: var(--font-mono); font-size: 0.78rem;
  letter-spacing: 0.05em; cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.mode-tab:hover { color: var(--text-primary); }
.mode-tab.active {
  background: var(--bg-elevated);
  color: var(--accent);
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

/* ── Mode panels ── */
.mode-panel { margin-bottom: 32px; }

/* ── Single URL form ── */
.input-row { display: flex; gap: 10px; align-items: stretch; }
.input-wrap { flex: 1; position: relative; display: flex; align-items: center; }
.input-prefix {
  position: absolute; left: 14px;
  font-family: var(--font-mono); font-size: 0.7rem;
  font-weight: 500; letter-spacing: 0.1em;
  color: var(--accent); pointer-events: none; user-select: none;
}
.url-input {
  width: 100%; padding: 14px 16px 14px 52px;
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-primary);
  font-family: var(--font-mono); font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.url-input::placeholder { color: var(--text-muted); }
.url-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── Bulk panel ── */
.bulk-wrap { display: flex; flex-direction: column; gap: 10px; }
.bulk-label {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-secondary);
}
.bulk-textarea {
  width: 100%; padding: 14px 16px;
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-primary);
  font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.7;
  resize: vertical; min-height: 130px; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.bulk-textarea::placeholder { color: var(--text-muted); }
.bulk-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.bulk-actions { display: flex; align-items: center; gap: 16px; }
.bulk-progress {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ── Submit button ── */
.submit-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px;
  background: var(--accent); color: #0d0e11; border: none;
  border-radius: var(--radius);
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 700;
  letter-spacing: 0.03em; cursor: pointer; white-space: nowrap;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}
.submit-btn:hover { box-shadow: 0 0 20px var(--accent-glow); transform: translateY(-1px); }
.submit-btn:active { transform: translateY(0); box-shadow: none; }
.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-spinner {
  display: none; width: 14px; height: 14px;
  border: 2px solid rgba(0,0,0,0.3); border-top-color: #0d0e11;
  border-radius: 50%; animation: spin 0.7s linear infinite;
}
.is-loading .btn-spinner { display: block; }
.is-loading .btn-text    { opacity: 0.7; }
@keyframes spin { to { transform: rotate(360deg); } }

.input-error {
  margin-top: 8px; font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--red); min-height: 1.2em; padding-left: 4px;
}

/* ── Results ── */
.results-section { animation: fadeUp 0.3s ease both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.results-meta {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: 8px;
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.result-count { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--accent); }
.source-url {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted);
  word-break: break-all; max-width: 60%; text-align: right;
}

.no-results {
  text-align: center; padding: 56px 24px;
  background: var(--bg-panel); border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}
.no-results-icon { display: block; font-size: 2.5rem; color: var(--text-muted); margin-bottom: 16px; line-height: 1; }
.no-results p { color: var(--text-secondary); font-size: 0.95rem; }
.no-results code { font-family: var(--font-mono); color: var(--accent); background: var(--accent-dim); padding: 1px 5px; border-radius: 3px; }
.no-results-hint { margin-top: 8px; font-size: 0.8rem !important; color: var(--text-muted) !important; }

/* ── Table ── */
.table-wrapper {
  overflow-x: auto; border: 1px solid var(--border);
  border-radius: var(--radius-lg); background: var(--bg-panel);
}
.results-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 0.82rem; }
.results-table thead { background: var(--bg-elevated); border-bottom: 1px solid var(--border-hi); }
.results-table th {
  padding: 10px 16px; text-align: left;
  font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted); font-weight: 500; white-space: nowrap;
}
.col-lang { width: 90px; }
.col-source { max-width: 180px; }
.col-copy { width: 72px; text-align: center; }

.results-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.results-table tbody tr:last-child { border-bottom: none; }
.results-table tbody tr:hover { background: var(--bg-elevated); }
.results-table td { padding: 11px 16px; vertical-align: middle; }

/* Bulk source badge */
.source-badge {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--text-muted); word-break: break-all;
}

.lang-badge {
  display: inline-block; padding: 2px 8px;
  background: var(--accent-dim); border: 1px solid rgba(245,166,35,0.2);
  border-radius: 4px; color: var(--accent);
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.05em;
}

.url-link { color: var(--text-primary); text-decoration: none; word-break: break-all; transition: color var(--transition); }
.url-link:hover { color: var(--accent); text-decoration: underline; }

.copy-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-muted); cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  margin: 0 auto;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.copy-btn.copied { border-color: var(--green); color: var(--green); background: rgba(62,207,142,0.1); }
.copy-btn svg { width: 13px; height: 13px; fill: currentColor; }

/* ── Action bar (Copy CSV + Download CSV) ── */
.action-bar {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap; margin-top: 14px;
}
.action-btn {
  padding: 8px 18px;
  background: transparent; border: 1px solid var(--border-hi);
  border-radius: var(--radius); color: var(--text-secondary);
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.05em;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.action-btn:hover { border-color: var(--accent); color: var(--accent); }
.action-btn--primary {
  background: var(--accent-dim); border-color: rgba(245,166,35,0.35);
  color: var(--accent);
}
.action-btn--primary:hover { background: rgba(245,166,35,0.2); }

.copy-confirm {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--green); opacity: 0; transition: opacity 0.3s;
}
.copy-confirm.visible { opacity: 1; }

/* ── API error banner ── */
.api-error {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 14px 18px;
  background: rgba(245, 101, 101, 0.08); border: 1px solid rgba(245, 101, 101, 0.3);
  border-radius: var(--radius); color: var(--red);
  font-family: var(--font-mono); font-size: 0.82rem;
  animation: fadeUp 0.25s ease both;
}
.api-error-icon { font-weight: 700; margin-top: 1px; flex-shrink: 0; }

/* ── Footer ── */
.site-footer {
  position: relative; z-index: 1;
  text-align: center; padding: 20px 24px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--text-muted); letter-spacing: 0.04em;
}

/* ── Responsive ── */
@media (max-width: 560px) {
  .site-header { padding: 36px 20px 28px; }
  .main { padding: 24px 16px 48px; }
  .input-row { flex-direction: column; }
  .submit-btn { width: 100%; }
  .source-url { max-width: 100%; text-align: left; }
  .results-meta { flex-direction: column; }
  .results-table { font-size: 0.78rem; }
  .results-table td, .results-table th { padding: 10px 12px; }
  .action-bar { flex-direction: column; align-items: flex-start; }
  .action-btn { width: 100%; text-align: center; }
}