/* ============================================================
   OMINIMO HACKATHON LEADERBOARD — Ominimo Brand Theme
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:            #f5f5f7;
  --surface:       #ffffff;
  --surface-2:     #f5f5f7;
  --surface-3:     #ededef;

  --primary:       #574CF9;
  --primary-dim:   rgba(87, 76, 249, 0.08);
  --primary-hover: #3A30D3;
  --primary-glow:  2px 2px 4px rgba(87, 76, 249, 0.25);

  --gold:          #d97706;
  --gold-dim:      rgba(217, 119, 6, 0.08);
  --silver:        #64748b;
  --silver-dim:    rgba(100, 116, 139, 0.06);
  --bronze:        #b45309;
  --bronze-dim:    rgba(180, 83, 9, 0.06);

  --text:          #222222;
  --text-secondary:#1f2937;
  --text-dim:      #666666;
  --text-muted:    #969696;
  --text-code:     #574CF9;
  --border:        #d9d9d9;
  --border-light:  #e5e5e5;

  --error:         #dc2626;
  --error-dim:     rgba(220, 38, 38, 0.06);
  --success:       #80ca35;
  --success-dim:   rgba(128, 202, 53, 0.1);

  --radius:        10px;
  --radius-lg:     16px;
  --font:          'Outfit', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition:    150ms ease;

  --shadow-sm:     2px 2px 4px 0px rgba(0, 0, 0, 0.1);
  --shadow-md:     0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg:     0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-button: 2px 2px 4px 0px rgba(87, 76, 249, 0.25);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

.main-content { flex: 1; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  background: var(--surface-2);
  color: var(--text-code);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

/* ── Animations ────────────────────────────────────────────── */
@keyframes row-enter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Header / Navbar ───────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.logo:hover { text-decoration: none; }

.logo-img {
  height: 32px;
  width: auto;
}

.logo-pill {
  background: var(--primary);
  color: #ffffff;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 50px;
  border: none;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  list-style: none;
}

.nav-link {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover,
.nav-link--active {
  color: var(--text);
  background: var(--surface-2);
  text-decoration: none;
}

.nav-cta {
  background: var(--primary);
  color: #ffffff !important;
  border: 1px solid var(--primary);
  border-radius: 50px;
  margin-left: 0.25rem;
}
.nav-cta:hover {
  background: var(--primary-hover) !important;
  color: #ffffff !important;
  text-decoration: none;
}

.nav-cta--private {
  background: transparent !important;
  color: var(--primary) !important;
  border-color: var(--primary) !important;
}
.nav-cta--private:hover {
  background: var(--primary-dim) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Header bar (countdown) ────────────────────────────────── */
.header-bar {
  background: var(--primary);
  border-top: none;
  padding: 0.45rem 1.5rem;
  display: flex;
  justify-content: center;
}

.countdown-wrapper {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.countdown-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.75);
  text-transform: uppercase;
  font-weight: 500;
}

.countdown {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

.time-unit {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  min-width: 2.4ch;
  justify-content: center;
}
.time-unit small {
  font-size: 0.55em;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 400;
}
.time-sep {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85em;
  padding-bottom: 1px;
}
.countdown-ended {
  color: #ffffff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  animation: blink 1.5s infinite;
}

/* ── Main content ──────────────────────────────────────────── */
.main-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  animation: fade-in 0.3s ease;
}

/* ── Page header ───────────────────────────────────────────── */
.page-header {
  margin-bottom: 1.75rem;
}
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.title-accent {
  color: var(--primary);
}
.page-subtitle {
  margin-top: 0.35rem;
  color: var(--text-dim);
  font-size: 0.88rem;
}
.refresh-note {
  margin-left: 0.5rem;
  color: var(--primary);
  font-size: 0.8rem;
  opacity: 0.75;
}
.refresh-note::before { content: '↺ '; }

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 50px;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  vertical-align: middle;
}
.badge--private {
  background: var(--primary-dim);
  color: var(--primary);
  border: 1px solid rgba(87, 76, 249, 0.25);
}
.badge--reveal {
  background: var(--primary-dim);
  color: var(--primary);
  border: 1px solid rgba(87, 76, 249, 0.25);
}

/* ── Card ──────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

/* ── Alert ─────────────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: 0.88rem;
  line-height: 1.5;
}
.alert--centered { justify-content: center; text-align: center; }
.alert--success {
  background: var(--success-dim);
  border: 1px solid rgba(128, 202, 53, 0.3);
  color: #3d6b12;
}
.alert--error {
  background: var(--error-dim);
  border: 1px solid rgba(220, 38, 38, 0.2);
  color: #991b1b;
}
.alert-icon {
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.alert strong { display: block; margin-bottom: 0.2rem; }
.alert p      { opacity: 0.85; margin-top: 0.15rem; }
.alert a      { color: inherit; text-decoration: underline; }

/* ── Forms ─────────────────────────────────────────────────── */
.upload-card { max-width: 640px; }

.upload-form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-group { display: flex; flex-direction: column; gap: 0.45rem; }

.form-label {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text);
  font-weight: 600;
}

.form-input {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.93rem;
  padding: 0.7rem 1.1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}
.form-input--centered { text-align: center; }
.form-input::placeholder { color: var(--text-muted); opacity: 0.7; }
.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
  text-align: center;
}

/* File drop zone */
.file-drop {
  position: relative;
  background: var(--surface-2);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.file-drop:hover,
.file-drop.drag-over {
  border-color: var(--primary);
  background: var(--primary-dim);
}
.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.file-drop-ui {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  pointer-events: none;
}
.file-drop-icon {
  font-size: 1.8rem;
  color: var(--primary);
  opacity: 0.6;
}
.file-drop-text {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}
.file-drop-hint {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.75rem;
  border-radius: 50px;
  border: none;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: box-shadow var(--transition), background var(--transition), transform 80ms;
  text-decoration: none;
}
.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow-button);
}
.btn--primary:hover {
  background: var(--primary-hover);
  box-shadow: 2px 2px 8px rgba(87, 76, 249, 0.35);
  text-decoration: none;
  color: #ffffff;
}

.btn--private {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  box-shadow: none;
}
.btn--private:hover {
  background: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow-button);
  text-decoration: none;
}

.btn--danger {
  background: var(--error);
  color: #ffffff;
  box-shadow: 2px 2px 4px rgba(220, 38, 38, 0.25);
}
.btn--danger:hover {
  background: #b91c1c;
  box-shadow: 2px 2px 8px rgba(220, 38, 38, 0.35);
  text-decoration: none;
  color: #ffffff;
}

.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ── Upload info / code block ──────────────────────────────── */
.upload-info {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-light);
}
.info-title {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
}
.code-block {
  background: var(--surface-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  overflow-x: auto;
}
.code-block pre {
  color: var(--text-code);
  font-size: 0.85rem;
  line-height: 1.7;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}
.info-note {
  margin-top: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ── Leaderboard table ─────────────────────────────────────── */
.leaderboard-wrap {
  overflow-x: auto;
  overflow-y: auto;
  max-height: 75vh;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  background: var(--surface);
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 500px;
}

.leaderboard-table thead tr {
  background: var(--primary);
  border-bottom: none;
}

.leaderboard-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.9);
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 1;
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
}

.leaderboard-row {
  border-bottom: 1px solid var(--border-light);
  background: var(--surface);
  animation: row-enter 0.3s ease both;
  animation-delay: calc(var(--row-index, 0) * 40ms);
  transition: background var(--transition);
}
.leaderboard-row:last-child { border-bottom: none; }
.leaderboard-row:hover { background: var(--surface-2); }

.row--gold   { background: linear-gradient(90deg, rgba(217,119,6,0.05) 0%, var(--surface) 55%); }
.row--silver { background: linear-gradient(90deg, rgba(100,116,139,0.04) 0%, var(--surface) 55%); }
.row--bronze { background: linear-gradient(90deg, rgba(180,83,9,0.04) 0%, var(--surface) 55%); }

.leaderboard-table td {
  padding: 0.85rem 1rem;
  vertical-align: middle;
}

/* Rank column */
.col-rank { width: 80px; text-align: center; }

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0 0.4rem;
}
.rank-badge--gold {
  background: var(--gold-dim);
  color: var(--gold);
  border: 1.5px solid rgba(217,119,6,0.3);
}
.rank-badge--silver {
  background: var(--silver-dim);
  color: var(--silver);
  border: 1.5px solid rgba(100,116,139,0.2);
}
.rank-badge--bronze {
  background: var(--bronze-dim);
  color: var(--bronze);
  border: 1.5px solid rgba(180,83,9,0.2);
}
.rank-badge--plain {
  background: var(--surface-2);
  color: var(--text-dim);
  border: 1.5px solid var(--border-light);
  font-size: 0.78rem;
}

/* Team column */
.col-team { max-width: 280px; }
.team-name {
  font-weight: 600;
  font-size: 0.93rem;
  color: var(--text);
  word-break: break-word;
}
.row--gold   .team-name { color: var(--gold); }
.row--silver .team-name { color: var(--silver); }
.row--bronze .team-name { color: var(--bronze); }

/* Score column */
.col-score { white-space: nowrap; }
.score-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
}
.row--gold   .score-value { color: var(--gold); }
.row--silver .score-value { color: var(--silver); }
.row--bronze .score-value { color: var(--bronze); }

.score-inline {
  color: var(--primary);
  font-size: 1.05em;
  font-weight: 700;
}

/* Tries column */
.col-tries { text-align: center; white-space: nowrap; }
.tries-value { color: var(--text-dim); font-variant-numeric: tabular-nums; }

/* Time column */
.col-time { white-space: nowrap; }
.sub-time {
  color: var(--text-dim);
  font-size: 0.8rem;
  cursor: default;
}

/* ── Empty state ───────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  padding: 4rem 1.5rem;
  text-align: center;
}
.empty-icon  { font-size: 2.5rem; opacity: 0.4; }
.empty-title { font-size: 1.05rem; font-weight: 600; color: var(--text-dim); }
.empty-sub   { font-size: 0.85rem; color: var(--text-dim); opacity: 0.7; margin-bottom: 0.5rem; }

/* ── Lock screen ───────────────────────────────────────────── */
.lock-screen {
  max-width: 440px;
  margin: 4rem auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  animation: fade-in 0.35s ease;
}
.lock-icon {
  font-size: 3rem;
  opacity: 0.7;
}
.lock-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.lock-subtitle {
  color: var(--text-dim);
  font-size: 0.88rem;
  max-width: 320px;
}
.lock-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 1.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.75);
  border-top: none;
  background: var(--primary);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar { padding: 0 1rem; }

  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border-light);
    padding: 0.75rem 1rem;
    z-index: 200;
    box-shadow: var(--shadow-lg);
    animation: slide-down 0.2s ease;
  }
  .nav-links.is-open { display: flex; }
  .nav-link { padding: 0.5rem 0.75rem; }

  .main-content { padding: 1.25rem 1rem 3rem; }

  .page-title { font-size: 1.2rem; }

  .card { padding: 1.25rem; }

  .leaderboard-table th,
  .leaderboard-table td { padding: 0.65rem 0.75rem; }

  .header-bar { padding: 0.4rem 1rem; }
  .countdown { font-size: 0.88rem; }
}

@media (max-width: 480px) {
  .logo-pill { display: none; }
  .countdown-label { display: none; }
  .col-time { display: none; }
}