/* ═══════════════════════════════════════════════════════════
   Wikiblank — style.css
   Dark theme premium, Linear-inspired, mobile-first
   ═══════════════════════════════════════════════════════════ */

/* ── Custom Properties ─────────────────────────────────── */
:root {
  /* Wiki Modern — clair, inspiré Wikipedia */
  --bg-primary:       #f8f9fa;
  --bg-secondary:     #ffffff;
  --bg-tertiary:      #eef0f4;
  --bg-elevated:      #ffffff;
  --bg-input:         #ffffff;

  --border-primary:   #c8ccd1;
  --border-secondary: #eaecf0;
  --border-focus:     #3366cc;

  --text-primary:     #202122;
  --text-secondary:   #54595d;
  --text-tertiary:    #72777d;
  --text-quaternary:  #a2a9b1;

  --accent:           #3366cc;
  --accent-hover:     #447ff5;
  --accent-glow:      rgba(51, 102, 204, 0.12);
  --accent-subtle:    rgba(51, 102, 204, 0.06);

  --success:          #34d399;
  --success-glow:     rgba(52, 211, 153, 0.15);
  --warning:          #fbbf24;
  --danger:           #f87171;

  /* Typography */
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:  'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);

  /* Transitions */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --header-h:     56px;
  --input-bar-h:  96px;
}

/* ── Imports (inline to stay 1 file) ───────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-primary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-quaternary); }

::selection {
  background: rgba(51, 102, 204, 0.2);
  color: var(--text-primary);
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }

/* ── Header ────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 249, 250, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-primary);
  height: var(--header-h);
  display: flex;
  align-items: center;
}

.header-inner {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.logo-icon {
  font-size: 1.35rem;
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.article-counter {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.date-badge {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-subtle);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  border: 1px solid rgba(51, 102, 204, 0.2);
}

/* ── Main Content ──────────────────────────────────────── */
.main-content {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4) var(--space-16);
}

/* ── Loading ───────────────────────────────────────────── */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16) 0;
  color: var(--text-tertiary);
  font-size: 0.95rem;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-primary);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Article Body ──────────────────────────────────────── */
.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
}

/* Category header */
.category-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-primary);
}

.category-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
}

.category-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-subtle);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(51, 102, 204, 0.2);
}

/* Article title (hidden, shown as blank) */
.article-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: var(--space-1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
}

/* The title-guess line (shown at top before solving) */
.title-guess-line {
  font-size: 0.85rem;
  color: var(--warning);
  font-weight: 500;
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 1.5em;
}

/* Paragraphs */
.article-paragraph {
  margin-bottom: var(--space-6);
  text-align: left;
  word-spacing: 0.02em;
}

/* Word blanks */
.blank {
  display: inline;
  position: relative;
}

.blank > .blank-block {
  display: inline-block;
  height: 1.6em;
  vertical-align: middle;
  border-radius: 3px;
  background: #d1d5db;
  border: 1px solid #a2a9b1;
  margin: 0 1px 3px;
  transition: border-color 0.15s, box-shadow 0.15s;
  cursor: pointer;
}

.blank:not(.revealed) > .blank-block:hover {
  border-color: var(--accent);
  box-shadow: 0 0 6px rgba(51, 102, 204, 0.25);
}

.blank > .blank-word {
  display: inline;
  color: transparent;
  user-select: none;
  pointer-events: none;
  transition: none;
}

/* Revealed state */
.blank.revealed > .blank-block {
  display: none;
}

.blank.revealed > .blank-word {
  color: var(--text-primary);
  user-select: auto;
  animation: revealPop 0.35s var(--ease-spring) both;
}

@keyframes revealPop {
  0%   { opacity: 0; transform: scale(0.7); }
  70%  { transform: scale(1.08); }
  100% { opacity: 1; transform: scale(1); }
}

/* Punctuation blanks (smaller) */
.blank.punct > .blank-block {
  height: 1.2em;
}

/* Infobox */
.infobox {
  float: right;
  clear: right;
  width: 260px;
  margin: 0 0 var(--space-4) var(--space-6);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.infobox-header {
  background: var(--bg-elevated);
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-primary);
}

.infobox-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.infobox-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.infobox-table {
  width: 100%;
  border-collapse: collapse;
}

.infobox-table td {
  padding: var(--space-2) var(--space-4);
  font-size: 0.8rem;
  border-bottom: 1px solid var(--border-secondary);
  color: var(--text-secondary);
}

.infobox-table td:first-child {
  font-weight: 600;
  color: var(--text-tertiary);
  width: 40%;
}

.infobox-table tr:last-child td { border-bottom: none; }

/* Headings inside article */
.article-body h2,
.article-body h3,
.article-body h4 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.article-body h2 { font-size: 1.35rem; color: var(--text-primary); border-bottom: 1px solid var(--border-primary); padding-bottom: var(--space-2); }
.article-body h3 { font-size: 1.15rem; color: var(--text-secondary); }

/* Links */
.article-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
  pointer-events: none;
  cursor: default;
}
.article-body a:hover { border-bottom-color: var(--accent); }

/* Lists */
.article-body ul,
.article-body ol {
  margin: var(--space-4) 0 var(--space-4) var(--space-5);
}
.article-body li { margin-bottom: var(--space-2); }

/* ── Progress Bar ─────────────────────────────────────── */
.progress-bar {
  position: relative;
  height: 24px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-primary);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.progress-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* ── Input Bar (Top, under header) ──────────────────────── */
.input-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 90;
  background: rgba(248, 249, 250, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-primary);
  padding: var(--space-3) var(--space-4);
}

.input-form { margin-bottom: var(--space-2); }

.input-wrapper {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 0 var(--space-2) 0 var(--space-4);
  transition: border-color 0.2s, box-shadow 0.2s;
  height: 48px;
}

.input-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.guess-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-sans);
  height: 100%;
  min-width: 0;
}

.guess-input::placeholder {
  color: var(--text-quaternary);
}

.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  flex-shrink: 0;
}

.submit-btn:hover { background: var(--accent-hover); }
.submit-btn:active { transform: scale(0.93); }

/* Stats row inside input bar */
.stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}

.stat {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

.stat-icon { font-size: 0.8rem; }

/* ── Hint Toast ────────────────────────────────────────── */
.hint-toast {
  position: fixed;
  top: calc(var(--header-h) + 12px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.9rem;
  color: var(--warning);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.4s var(--ease-out) both, toastOut 0.4s var(--ease-out) 2.6s both;
  white-space: nowrap;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-12px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(-50%) translateY(0); }
  to   { opacity: 0; transform: translateX(-50%) translateY(-8px); }
}

/* ── Victory Overlay ───────────────────────────────────── */
.victory-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: overlayIn 0.4s var(--ease-out) both;
}

.victory-overlay:not([hidden]) {
  display: flex;
}

@keyframes overlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.victory-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  max-width: 420px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  animation: cardIn 0.5s var(--ease-spring) 0.2s both;
}

@keyframes cardIn {
  from { opacity: 0; transform: scale(0.85) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.victory-emoji {
  font-size: 3.5rem;
  margin-bottom: var(--space-4);
  animation: bounceIn 0.6s var(--ease-spring) 0.4s both;
}

@keyframes bounceIn {
  0%   { transform: scale(0); }
  60%  { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.victory-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, var(--success), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.victory-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.victory-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.victory-stat {
  text-align: center;
}

.victory-stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.victory-stat-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.victory-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-8);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.victory-btn:hover { background: var(--accent-hover); }
.victory-btn:active { transform: scale(0.97); }

.wiki-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-6);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  margin-top: var(--space-3);
  text-decoration: none;
}

.wiki-link:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --input-bar-h: 100px;
  }

  .header-inner {
    padding: 0 var(--space-3);
  }

  .main-content {
    padding: var(--space-4) var(--space-3) var(--space-12);
  }

  .article-body {
    font-size: 0.98rem;
    line-height: 1.8;
  }

  .infobox {
    float: none;
    width: 100%;
    margin: var(--space-4) 0;
  }

  .article-title {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
  }

  .victory-card {
    padding: var(--space-6) var(--space-5);
  }

  .victory-stats {
    gap: var(--space-6);
  }
}

@media (max-width: 480px) {
  .logo-text { font-size: 0.95rem; }
  .article-counter { display: none; }

  .victory-emoji { font-size: 2.5rem; }
  .victory-title { font-size: 1.35rem; }
}

/* ── Confetti particles (pure CSS) ─────────────────────── */
.confetti-piece {
  position: fixed;
  width: 8px;
  height: 8px;
  z-index: 600;
  pointer-events: none;
  border-radius: 2px;
  animation: confettiFall 2.5s var(--ease-out) forwards;
}

@keyframes confettiFall {
  0%   { opacity: 1; transform: translateY(0) rotate(0deg); }
  100% { opacity: 0; transform: translateY(100vh) rotate(720deg); }
}

/* ── Wikipedia template elements ───────────────────────── */
.ambox, .navbox, .metadata, .mw-editsection,
.reference, .noprint, .mw-empty-elt {
  display: none !important;
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 2rem 1rem;
  border-top: 1px solid var(--border-secondary);
  margin-top: 3rem;
}

.footer p {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 400;
}