/* ============================================================
   SEAMHEADS DESIGN SYSTEM
   Shared premium components for all pages
   Include between style.css and page-specific CSS
   ============================================================ */


/* ─── 1. DESIGN TOKENS ─────────────────────────────────────── */

:root {
  /* Grade colors */
  --grade-a: #4ade80;
  --grade-b: #60a5fa;
  --grade-c: #fbbf24;
  --grade-d: #f87171;
  --grade-a-bg: rgba(74, 222, 128, 0.12);
  --grade-b-bg: rgba(96, 165, 250, 0.12);
  --grade-c-bg: rgba(251, 191, 36, 0.12);
  --grade-d-bg: rgba(248, 113, 113, 0.12);

  /* Card system */
  --card-radius: 10px;
  --card-border: 1px solid var(--g700);
  --card-bg: var(--g900);
  --card-bg-hover: var(--g800);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-glow-gold: 0 0 20px rgba(255, 183, 27, 0.15);

  /* Layout */
  --container-max: 1140px;
  --container-pad: 1.5rem;
  --section-gap: 2rem;
}


/* ─── 2. SHARED ANIMATIONS ─────────────────────────────────── */

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes barGrow {
  from { width: 0; }
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 12px rgba(255, 183, 27, 0.15); }
  50%      { box-shadow: 0 0 24px rgba(255, 183, 27, 0.30); }
}


/* ─── 3. PAGE HERO (.ds-hero) ──────────────────────────────── */

.ds-hero {
  position: relative;
  padding: 2.5rem 0 2rem;
  background: linear-gradient(135deg, var(--g900) 0%, var(--black) 60%, #0d1a35 100%);
  border-bottom: 3px solid var(--red);
  overflow: hidden;
}

.ds-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 183, 27, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.ds-hero__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  position: relative;
  z-index: 1;
}

.ds-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.5rem;
}

.ds-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.ds-hero__sub {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--g400);
  max-width: 720px;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.ds-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.ds-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}


/* ─── 4. SECTION COMPONENT (.ds-section) ───────────────────── */

.ds-section {
  margin-top: var(--section-gap);
  animation: fadeSlideUp 0.4s ease-out both;
}

.ds-section__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  padding-bottom: 0.6rem;
  margin-bottom: 1.2rem;
  border-bottom: 2px solid var(--g700);
  padding-left: 0.75rem;
  border-left: 3px solid var(--red);
}

.ds-section__sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--g500);
  margin-top: -0.8rem;
  margin-bottom: 1rem;
}


/* ─── 5. CARD COMPONENT (.ds-card) ─────────────────────────── */

.ds-card {
  background: var(--card-bg);
  border: var(--card-border);
  border-radius: var(--card-radius);
  padding: 1.2rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.ds-card:hover {
  border-color: var(--g600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.ds-card--featured {
  border-color: rgba(255, 183, 27, 0.3);
}

.ds-card--featured:hover {
  border-color: rgba(255, 183, 27, 0.5);
}

.ds-card--elite {
  border-top: 2px solid var(--red);
  box-shadow: var(--shadow-sm), var(--shadow-glow-gold);
}

.ds-card--elite:hover {
  box-shadow: var(--shadow-md), 0 0 30px rgba(255, 183, 27, 0.2);
}


/* ─── 6. STAT TILE (.ds-stat) ──────────────────────────────── */

.ds-stat {
  text-align: center;
  padding: 1rem;
}

.ds-stat__value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
}

.ds-stat__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--g400);
  margin-top: 0.2rem;
}

.ds-stat__rank {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--g500);
  margin-top: 0.15rem;
}

.ds-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.65rem;
}


/* ─── 7. BADGE / CHIP (.ds-badge) ──────────────────────────── */

.ds-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
  text-transform: uppercase;
  line-height: 1.4;
}

.ds-badge--elite {
  background: rgba(255, 215, 0, 0.2);
  color: #FFD700;
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.ds-badge--green {
  background: rgba(74, 222, 128, 0.15);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.25);
}

.ds-badge--blue {
  background: rgba(96, 165, 250, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.25);
}

.ds-badge--gold {
  background: rgba(255, 183, 27, 0.15);
  color: #ffb71b;
  border: 1px solid rgba(255, 183, 27, 0.25);
}

.ds-badge--red {
  background: rgba(248, 113, 113, 0.12);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.25);
}

.ds-badge--purple {
  background: rgba(168, 85, 247, 0.15);
  color: #a855f7;
  border: 1px solid rgba(168, 85, 247, 0.25);
}


/* ─── 8. PILL COMPONENT (.ds-pill) ─────────────────────────── */

.ds-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.75rem;
  border-radius: 5px;
  background: var(--g800);
  border: 1px solid var(--g600);
  color: var(--g300);
  line-height: 1.4;
}


/* ─── 9. TABLE COMPONENT (.ds-table) ──────────────────────── */

.ds-table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--g700);
  background: var(--g900);
}

.ds-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  font-family: var(--font-body);
}

.ds-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.ds-table th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 0.6rem;
  background: var(--g800);
  color: var(--g300);
  border-bottom: 2px solid var(--red);
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color 0.1s;
}

.ds-table th:hover {
  color: var(--red);
}

.ds-table th.sorted {
  color: var(--red);
}

.ds-table td {
  padding: 0.6rem 0.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  white-space: nowrap;
  color: var(--g200);
}

.ds-table tr:hover td {
  background: rgba(255, 183, 27, 0.05);
}

.ds-table tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.015);
}

.ds-table tr:hover:nth-child(even) td {
  background: rgba(255, 183, 27, 0.05);
}


/* ─── 10. CONTROLS (.ds-controls) ─────────────────────────── */

.ds-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.ds-select,
.ds-input {
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.65rem 1rem;
  background: var(--g800);
  color: var(--white);
  border: 1px solid var(--g600);
  border-radius: 6px;
  max-width: 240px;
  outline: none;
  transition: border-color 0.15s;
}

.ds-select:focus,
.ds-input:focus {
  border-color: var(--red);
}

.ds-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238E9BB0' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.8rem center;
  padding-right: 2.2rem;
}


/* ─── 11. SCORE BADGE (.ds-score) ──────────────────────────── */

.ds-score {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  min-width: 3rem;
  text-align: center;
}

.ds-score--elite {
  background: rgba(0, 200, 83, 0.15);
  color: #00c853;
}

.ds-score--good {
  background: rgba(100, 200, 100, 0.1);
  color: #81c784;
}

.ds-score--avg {
  background: rgba(255, 183, 27, 0.12);
  color: var(--red);
}

.ds-score--below {
  background: rgba(255, 100, 50, 0.12);
  color: #ff7043;
}

.ds-score--poor {
  background: rgba(255, 50, 50, 0.12);
  color: #ef5350;
}


/* ─── 12. RANK MEDALS (.ds-rank) ───────────────────────────── */

.ds-rank {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--g500);
}

.ds-rank--gold {
  color: #FFD700;
}

.ds-rank--silver {
  color: #C0C0C0;
}

.ds-rank--bronze {
  color: #CD7F32;
}


/* ─── 13. PODIUM / TOP CARDS (.ds-podium) ──────────────────── */

.ds-podium {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.ds-podium__card {
  background: var(--card-bg);
  border: var(--card-border);
  border-radius: var(--card-radius);
  padding: 1.2rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.ds-podium__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--g600);
}

.ds-podium__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.ds-podium__card--first::before {
  background: #FFD700;
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.3);
}

.ds-podium__card--second::before {
  background: #C0C0C0;
  box-shadow: 0 0 10px rgba(192, 192, 192, 0.2);
}

.ds-podium__card--third::before {
  background: #CD7F32;
  box-shadow: 0 0 10px rgba(205, 127, 50, 0.2);
}


/* ─── 14. BUTTONS (.btn) ──────────────────────────────────── */

.btn {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.8rem 1.8rem;
  border-radius: 6px;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
  text-decoration: none;
  display: inline-block;
  font-size: 0.78rem;
  line-height: 1;
}

.btn--red {
  background: var(--red);
  color: var(--black);
}

.btn--red:hover {
  background: var(--white);
  color: var(--black);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  border: 2px solid var(--g500);
  color: var(--g300);
}

.btn--ghost:hover {
  border-color: var(--red);
  color: var(--white);
}

.btn--sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.72rem;
}


/* ─── 15. FOOTER UPGRADE (.footer) ─────────────────────────── */

.footer {
  background: var(--dark);
  border-top: 1px solid var(--g700);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
}


/* ─── 16. NAV UPGRADE ──────────────────────────────────────── */

.nav {
  background: linear-gradient(180deg, var(--dark) 0%, rgba(8, 16, 32, 0.97) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}


/* ─── 17. SKELETON LOADER (.ds-skeleton) ───────────────────── */

.ds-skeleton {
  background: linear-gradient(90deg, var(--g800) 25%, var(--g700) 50%, var(--g800) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--card-radius);
  min-height: 80px;
}

.ds-skeleton--text {
  min-height: 1rem;
  border-radius: 4px;
  max-width: 60%;
}

.ds-skeleton--circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  min-height: auto;
}


/* ─── 18. RESPONSIVE BREAKPOINTS ───────────────────────────── */

@media (max-width: 900px) {
  :root {
    --container-pad: 1.25rem;
    --section-gap: 1.5rem;
  }

  .ds-hero {
    padding: 2rem 0 1.5rem;
  }

  .ds-hero__title {
    font-size: clamp(1.4rem, 5vw, 2rem);
  }

  .ds-podium {
    grid-template-columns: 1fr;
  }

  .ds-stat-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .ds-table {
    font-size: 0.8rem;
  }

  .ds-table th,
  .ds-table td {
    padding: 0.5rem 0.45rem;
  }
}

@media (max-width: 600px) {
  :root {
    --container-pad: 1rem;
    --section-gap: 1.25rem;
  }

  .ds-hero {
    padding: 1.75rem 0 1.25rem;
  }

  .ds-hero__title {
    font-size: clamp(1.2rem, 6vw, 1.6rem);
  }

  .ds-section__title {
    font-size: 0.95rem;
  }

  .ds-stat__value {
    font-size: 1.3rem;
  }

  .ds-controls {
    gap: 0.5rem;
  }

  .ds-select,
  .ds-input {
    max-width: 100%;
    width: 100%;
  }

  .btn {
    padding: 0.65rem 1.4rem;
    font-size: 0.72rem;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .ds-hero__sub {
    font-size: 0.85rem;
  }

  .ds-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ds-badge {
    font-size: 0.58rem;
    padding: 0.2rem 0.55rem;
  }

  .ds-table th {
    font-size: 0.62rem;
  }

  .ds-table td {
    font-size: 0.78rem;
  }
}


/* ─── 19. UTILITY CLASSES ──────────────────────────────────── */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

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

.text-mono {
  font-family: var(--font-mono);
}

.text-display {
  font-family: var(--font-display);
}

.text-gold {
  color: var(--red);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, var(--g700), transparent);
  margin: 2rem 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }
.gap-lg { gap: 1.5rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }