/* ============================================================
   TensorForge Scoreboard — Design-system-aligned styles
   Matches the visual language from Scoreboard.dc.html
   ============================================================ */

/* ---- Palette ---- */
:root {
  --sb-bg: #0a0e0c;
  --sb-surface: #111713;
  --sb-text: #e8f3ea;
  --sb-accent: #9cff2e;
  --sb-accent-2: #2bf5c8;
  --sb-accent-100: #f3ffe2;
  --sb-accent-300: #cdff88;
  --sb-accent-600: #7ad117;
  --sb-accent-700: #5b9d11;
  --sb-accent-800: #37650d;
  --sb-accent-2-700: #11957a;
  --sb-mono: 'JetBrains Mono', ui-monospace, monospace;
  --sb-sans: 'Inter', system-ui, sans-serif;
  --sb-radius-sm: 4px;
  --sb-radius-md: 8px;
  --sb-radius-lg: 14px;
  --sb-shadow-md: 0 0 0 1px var(--sb-accent-800), 0 8px 28px rgba(0,0,0,.6);
  --sb-shadow-lg: 0 0 0 1px var(--sb-accent-700), 0 18px 48px rgba(0,0,0,.7);
}

/* ---- Reset & base ---- */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--sb-bg);
  color: var(--sb-text);
  font-family: var(--sb-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: var(--sb-accent); text-decoration: none; }
a:hover { color: var(--sb-accent-300); }

/* ---- Animations ---- */
@keyframes sbGrid  { from { background-position: 0 0, 0 0 } to { background-position: 64px 64px, 64px 64px } }
@keyframes sbDot   { 0% { box-shadow: 0 0 0 0 rgba(156,255,46,0.55) } 70% { box-shadow: 0 0 0 10px transparent } 100% { box-shadow: 0 0 0 0 transparent } }
@keyframes sbRise  { from { opacity: 0; transform: translateY(14px) } to { opacity: 1; transform: none } }
@keyframes sbScan  { from { transform: translateY(-120%) } to { transform: translateY(120%) } }
@keyframes sbSpin  { to { transform: rotate(360deg) } }

/* ---- Background effects ---- */
.sb-bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .45;
  background-image:
    linear-gradient(to right, rgba(156,255,46,0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(156,255,46,0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  animation: sbGrid 24s linear infinite;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 25%, #000 25%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 25%, #000 25%, transparent 80%);
}
.sb-bg-glow {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(1000px 560px at 78% -10%, rgba(156,255,46,0.10), transparent 70%),
    radial-gradient(820px 460px at 8% 45%, rgba(17,149,122,0.12), transparent 72%);
}
.sb-scanline-wrap {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; opacity: .5;
}
.sb-scanline {
  position: absolute; left: 0; right: 0; height: 36vh;
  background: linear-gradient(to bottom, transparent, rgba(156,255,46,0.04), transparent);
  animation: sbScan 13s linear infinite;
}

/* ---- Page wrapper ---- */
.sb-page {
  position: relative; z-index: 1;
  max-width: 1280px; margin: 0 auto;
  padding: clamp(20px, 4vw, 56px) clamp(16px, 5vw, 56px) 72px;
}

/* ---- Header ---- */
.sb-header {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
  margin-bottom: clamp(24px, 4vw, 52px);
}
.sb-logo-link {
  display: flex; align-items: center; gap: 10px; color: var(--sb-text);
}
.sb-logo-hex {
  display: inline-block; width: 11px; height: 11px; flex-shrink: 0;
  background: var(--sb-accent);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}
.sb-logo-text {
  font-family: var(--sb-mono); font-size: 13px; font-weight: 700; letter-spacing: .18em;
}
.sb-header-right {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--sb-mono); font-size: 10px; letter-spacing: .18em;
  color: rgba(232,243,234,0.7);
}
.sb-live-indicator {
  display: flex; align-items: center; gap: 8px; color: var(--sb-accent);
}
.sb-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--sb-accent);
  animation: sbDot 2.2s ease-out infinite; flex-shrink: 0;
}
.sb-updated-label {
  text-transform: uppercase;
  display: none;
}

/* ---- Stage intro ---- */
.sb-stage-intro {
  margin-bottom: clamp(20px, 3.5vw, 44px);
}
.sb-kicker {
  font-family: var(--sb-mono); font-size: 11px; letter-spacing: .24em;
  text-transform: uppercase; color: var(--sb-accent); margin-bottom: 16px;
}
.sb-stage-title {
  font-size: clamp(28px, 7vw, 86px); line-height: .94; letter-spacing: -.035em;
  margin: 0 0 10px; font-weight: 700;
}
.sb-stage-sub {
  font-family: var(--sb-mono); font-size: clamp(9px, 1.4vw, 13px);
  letter-spacing: .15em; text-transform: uppercase;
  color: rgba(232,243,234,0.55); margin: 0;
}

/* ---- Tabs ---- */
.sb-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: clamp(24px, 4vw, 48px);
}
.sb-tab {
  cursor: pointer; display: flex; align-items: baseline; gap: 10px;
  background: transparent;
  border: 1px solid rgba(232,243,234,0.14);
  border-radius: var(--sb-radius-sm);
  padding: 13px 20px;
  color: rgba(232,243,234,0.55);
  font-family: var(--sb-mono); font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; transition: all .25s;
}
.sb-tab:hover {
  border-color: var(--sb-accent-700); color: var(--sb-text);
}
.sb-tab.active {
  background: rgba(156,255,46,0.14);
  border-color: var(--sb-accent-600);
  color: var(--sb-accent-100);
}
.sb-tab-label { font-weight: 700; }
.sb-tab-date {
  font-size: 11px;
  color: rgba(232,243,234,0.7);
}
.sb-tab.active .sb-tab-date {
  color: rgba(243,255,226,0.78);
}

/* ---- Content area ---- */
.sb-content { min-height: 400px; position: relative; }

/* ---- Loading state ---- */
.sb-message-box {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: clamp(50px, 8vw, 100px) 24px; text-align: center;
}
.sb-spinner {
  width: 36px; height: 36px;
  border: 2px solid rgba(156,255,46,0.2);
  border-top-color: var(--sb-accent); border-radius: 50%;
  animation: sbSpin 1s linear infinite;
}
.sb-message-label {
  margin-top: 16px; font-family: var(--sb-mono); font-size: 12px;
  letter-spacing: .2em; color: rgba(232,243,234,0.6);
}

/* ---- Draft / unpublished state ---- */
.sb-draft-box {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 1px dashed rgba(232,243,234,0.22);
  border-radius: var(--sb-radius-lg);
  padding: clamp(40px, 7vw, 88px) clamp(20px, 4vw, 48px);
  text-align: center;
}
.sb-draft-kicker {
  font-family: var(--sb-mono); font-size: 11px; letter-spacing: .24em;
  color: rgba(232,243,234,0.7); margin-bottom: 18px;
}
.sb-draft-headline {
  font-size: clamp(20px, 3.6vw, 40px); line-height: 1.1; margin: 0 0 14px;
}
.sb-draft-body {
  font-size: 14px; line-height: 1.7;
  color: rgba(232,243,234,0.62);
  max-width: 46ch; margin: 0 auto;
}

/* ---- Podium ---- */
.sb-podium {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px; align-items: end;
  margin-bottom: clamp(26px, 3.5vw, 44px);
}

/* --- Shared podium card base --- */
.sb-podium-card {
  display: flex; flex-direction: column; gap: 12px;
  min-width: 0; /* prevent overflow */
}
.sb-podium-name {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sb-podium-uni {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* 1st place */
.sb-podium-card.card-rank-1 {
  order: 2;
  border: 1px solid var(--sb-accent-600);
  border-radius: var(--sb-radius-lg);
  background: linear-gradient(165deg, #1a2a1c, #101a13);
  box-shadow: var(--sb-shadow-lg);
  padding: clamp(20px, 2.8vw, 34px);
  gap: 14px;
  animation: sbRise .5s ease-out;
}
.sb-podium-card.card-rank-1 .sb-rank-num {
  font-family: var(--sb-mono); font-size: clamp(32px, 5.5vw, 68px);
  font-weight: 700; line-height: .85; color: var(--sb-accent);
}
.sb-podium-card.card-rank-1 .sb-leader-tag {
  display: inline-block;
  font-family: var(--sb-mono); font-size: 9px; letter-spacing: .2em;
  color: #0a0e0c; background: var(--sb-accent); border-radius: 3px; padding: 4px 8px;
}
.sb-podium-card.card-rank-1 .sb-podium-name {
  font-size: clamp(16px, 2.4vw, 29px); line-height: 1.15; letter-spacing: -.015em;
}
.sb-podium-card.card-rank-1 .sb-podium-uni {
  font-family: var(--sb-mono); font-size: clamp(9px, 1vw, 11px); letter-spacing: .14em;
  color: rgba(232,243,234,0.55);
}
.sb-podium-card.card-rank-1 .sb-podium-score-wrap {
  margin-top: auto; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
}
.sb-podium-card.card-rank-1 .sb-podium-score {
  font-family: var(--sb-mono); font-size: clamp(24px, 3.8vw, 46px);
  font-weight: 700; color: var(--sb-accent-100); line-height: 1;
}
.sb-podium-card.card-rank-1 .sb-podium-meta {
  font-family: var(--sb-mono); font-size: 10px; letter-spacing: .16em;
  color: rgba(232,243,234,0.7);
}

/* 2nd place */
.sb-podium-card.card-rank-2 {
  order: 1;
  border: 1px solid rgba(156,255,46,0.26);
  border-radius: var(--sb-radius-lg);
  background: var(--sb-surface); box-shadow: var(--sb-shadow-md);
  padding: clamp(16px, 2.4vw, 28px);
  animation: sbRise .5s ease-out .06s both;
}
.sb-podium-card.card-rank-2 .sb-rank-num {
  font-family: var(--sb-mono); font-size: clamp(24px, 4vw, 46px);
  font-weight: 700; line-height: .85;
  color: rgba(156,255,46,0.55);
}
.sb-podium-card.card-rank-2 .sb-podium-name {
  font-size: clamp(14px, 1.9vw, 22px); line-height: 1.2;
}
.sb-podium-card.card-rank-2 .sb-podium-uni {
  font-family: var(--sb-mono); font-size: clamp(9px, 0.9vw, 10px); letter-spacing: .14em;
  color: rgba(232,243,234,0.5);
}
.sb-podium-card.card-rank-2 .sb-podium-score-wrap {
  margin-top: auto; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
}
.sb-podium-card.card-rank-2 .sb-podium-score {
  font-family: var(--sb-mono); font-size: clamp(18px, 2.6vw, 32px);
  font-weight: 700; color: var(--sb-text); line-height: 1;
}
.sb-podium-card.card-rank-2 .sb-podium-meta {
  font-family: var(--sb-mono); font-size: 11px; letter-spacing: .16em;
  color: rgba(232,243,234,0.7);
}

/* 3rd place */
.sb-podium-card.card-rank-3 {
  order: 3;
  border: 1px solid rgba(156,255,46,0.2);
  border-radius: var(--sb-radius-lg);
  background: var(--sb-surface); box-shadow: var(--sb-shadow-md);
  padding: clamp(16px, 2.4vw, 28px);
  animation: sbRise .5s ease-out .12s both;
}
.sb-podium-card.card-rank-3 .sb-rank-num {
  font-family: var(--sb-mono); font-size: clamp(24px, 4vw, 46px);
  font-weight: 700; line-height: .85;
  color: rgba(156,255,46,0.4);
}
.sb-podium-card.card-rank-3 .sb-podium-name {
  font-size: clamp(14px, 1.9vw, 22px); line-height: 1.2;
}
.sb-podium-card.card-rank-3 .sb-podium-uni {
  font-family: var(--sb-mono); font-size: clamp(9px, 0.9vw, 10px); letter-spacing: .14em;
  color: rgba(232,243,234,0.5);
}
.sb-podium-card.card-rank-3 .sb-podium-score-wrap {
  margin-top: auto; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
}
.sb-podium-card.card-rank-3 .sb-podium-score {
  font-family: var(--sb-mono); font-size: clamp(18px, 2.6vw, 32px);
  font-weight: 700; color: var(--sb-text); line-height: 1;
}
.sb-podium-card.card-rank-3 .sb-podium-meta {
  font-family: var(--sb-mono); font-size: 11px; letter-spacing: .16em;
  color: rgba(232,243,234,0.7);
}

/* ---- Grid-based table ---- */
.sb-grid-table {
  border: 1px solid rgba(156,255,46,0.14);
  border-radius: var(--sb-radius-md);
  background: rgba(17,23,19,0.80);
  overflow: hidden;
}

/* Header row */
.sb-grid-head {
  display: grid;
  grid-template-columns: 54px 2fr 1.3fr 80px 80px;
  gap: 12px;
  padding: 13px 20px;
  border-bottom: 1px solid rgba(156,255,46,0.16);
  font-family: var(--sb-mono); font-size: 9px; letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(232,243,234,0.66);
}

/* Data rows */
.sb-grid-row {
  display: grid;
  grid-template-columns: 54px 2fr 1.3fr 80px 80px;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(232,243,234,0.07);
  align-items: center;
  transition: background .2s;
}
.sb-grid-row:last-child { border-bottom: none; }
.sb-grid-row:hover {
  background: rgba(156,255,46,0.04);
}

/* Top-3 rows highlighted */
.sb-grid-row.sb-row-top {
  background: linear-gradient(to right, rgba(156,255,46,0.07), transparent 65%);
}
.sb-grid-row.sb-row-top:hover {
  background: linear-gradient(to right, rgba(156,255,46,0.12), transparent 65%);
}

/* Column styles */
.sb-col-rank {
  font-family: var(--sb-mono); font-weight: 700;
}
.sb-row-top .sb-col-rank {
  font-size: clamp(14px, 2vw, 22px); color: var(--sb-accent);
}
.sb-row-rest .sb-col-rank {
  font-size: clamp(13px, 1.8vw, 19px);
  color: rgba(232,243,234,0.62);
}

.sb-col-name {
  min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sb-row-top .sb-col-name {
  font-size: clamp(14px, 1.7vw, 20px); font-weight: 500;
}
.sb-row-rest .sb-col-name {
  font-size: clamp(13px, 1.6vw, 18px);
  color: rgba(232,243,234,0.88);
}

.sb-col-uni {
  font-family: var(--sb-mono); font-size: 11px; letter-spacing: .1em;
  min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sb-row-top .sb-col-uni {
  color: rgba(232,243,234,0.58);
}
.sb-row-rest .sb-col-uni {
  color: rgba(232,243,234,0.5);
}

.sb-col-meta {
  font-family: var(--sb-mono); font-size: 11px;
}
.sb-row-top .sb-col-meta { color: rgba(232,243,234,0.7); }
.sb-row-rest .sb-col-meta { color: rgba(232,243,234,0.62); }

.sb-col-score {
  text-align: right; font-family: var(--sb-mono); font-weight: 700;
}
.sb-row-top .sb-col-score {
  font-size: clamp(15px, 2.1vw, 24px); color: var(--sb-accent);
}
.sb-row-rest .sb-col-score {
  font-size: clamp(14px, 1.9vw, 21px);
  color: rgba(232,243,234,0.8);
}

/* Empty table */
.sb-grid-empty {
  padding: 40px 24px; text-align: center;
  font-family: var(--sb-mono); font-size: 12px; letter-spacing: .1em;
  color: rgba(232,243,234,0.5);
}

/* ---- Criteria legend (final stage) ---- */
.sb-criteria {
  margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px;
}
.sb-criteria-tag {
  border: 1px solid rgba(156,255,46,0.14);
  border-radius: var(--sb-radius-sm);
  padding: 8px 12px;
  font-family: var(--sb-mono); font-size: 10px; letter-spacing: .08em;
  color: rgba(232,243,234,0.55);
}
.sb-criteria-tag span { color: var(--sb-accent); }

/* ---- Footer ---- */
.sb-footer {
  margin-top: clamp(40px, 6vw, 80px); padding-top: 22px;
  border-top: 1px solid rgba(232,243,234,0.1);
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between;
  font-family: var(--sb-mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(232,243,234,0.62);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */

/* ---- Tablet (≤ 900px) ---- */
@media (max-width: 900px) {
  .sb-grid-head,
  .sb-grid-row {
    grid-template-columns: 42px 1.8fr 1fr 64px 64px;
    gap: 8px;
    padding-left: 14px; padding-right: 14px;
  }
}

/* ---- Mobile landscape / large phone (≤ 680px) ---- */
@media (max-width: 680px) {
  .sb-podium {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .sb-podium-card.card-rank-1,
  .sb-podium-card.card-rank-2,
  .sb-podium-card.card-rank-3 {
    order: unset !important;
  }

  /* 4-column grid: hide university on narrow screens */
  .sb-grid-head,
  .sb-grid-row {
    grid-template-columns: 36px 1fr 60px 60px;
    gap: 8px;
    padding: 12px 12px;
  }
  .sb-col-uni,
  .sb-grid-head > div:nth-child(3) {
    display: none;
  }

  .sb-header-right { font-size: 9px; }
  .sb-tab { padding: 10px 14px; font-size: 11px; gap: 6px; }
  .sb-footer { flex-direction: column; gap: 8px; text-align: center; justify-content: center; }
}

/* ---- Small phone (≤ 420px) ---- */
@media (max-width: 420px) {
  .sb-page {
    padding-left: 12px; padding-right: 12px;
  }
  .sb-stage-title {
    font-size: 26px;
  }
  .sb-stage-sub {
    font-size: 9px; letter-spacing: .1em;
  }
  .sb-tab {
    padding: 8px 10px; font-size: 10px; gap: 4px;
  }
  .sb-tab-date { font-size: 9px; }

  .sb-grid-head,
  .sb-grid-row {
    grid-template-columns: 30px 1fr 50px 50px;
    gap: 6px;
    padding: 10px 10px;
  }
  .sb-grid-head { font-size: 8px; letter-spacing: .1em; }
  .sb-col-rank { font-size: 12px !important; }
  .sb-col-name { font-size: 12px !important; }
  .sb-col-meta { font-size: 10px; }
  .sb-col-score { font-size: 12px !important; }

  .sb-podium-card.card-rank-1 { padding: 16px; }
  .sb-podium-card.card-rank-2,
  .sb-podium-card.card-rank-3 { padding: 14px; }

  .sb-draft-box { padding: 30px 16px; }
  .sb-draft-headline { font-size: 18px; }
  .sb-draft-body { font-size: 13px; }

  .sb-criteria { gap: 6px; }
  .sb-criteria-tag { padding: 6px 8px; font-size: 9px; }
}