/* ═══════════════════════════════════════════
   Bracket Forge — Main Styles
   ═══════════════════════════════════════════ */

/* ── VARIABLES ── */
:root {
  --bg: #0a0a0f;
  --surface: #12121b;
  --surface2: #1a1a26;
  --border: #282838;
  --text: #e8e6f0;
  --text-dim: #6a6880;
  --accent: #6c5ce7;
  --accent2: #a29bfe;
  --win: #00cec9;
  --lose: #ff4757;
  --gold: #ffd32a;
  --silver: #c0c0c0;
  --bronze: #cd7f32;
  --tag-bg: #1c1c2c;
  --tag-border: #33334a;
  --line: #1e1e30;
  --line-win: #00cec9;
}

/* ── RESET ── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
}

/* ── HEADER ── */
.header {
  padding: 40px 48px 0;
  position: relative;
}

.header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: radial-gradient(ellipse at 50% 0%, rgba(108, 92, 231, .12), transparent 70%);
  pointer-events: none;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  position: relative;
  z-index: 1;
}

.logo-img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: 'Archivo Black', sans-serif;
  font-size: 2rem;
  letter-spacing: -1px;
  color: var(--text);
}

.logo-text span {
  color: var(--accent2);
}

/* ── SETUP PANEL ── */
.setup-panel {
  max-width: 680px;
  margin: 40px auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.setup-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  animation: fadeUp .5s ease;
}

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

.section-label {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

/* Mode Toggle */
.mode-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
}

.mode-btn {
  flex: 1;
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--text-dim);
  font-family: 'DM Sans', sans-serif;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .3s;
}

.mode-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.mode-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 92, 231, .4);
}

/* Team Input */
.team-input-wrap {
  position: relative;
  margin-bottom: 20px;
}

.team-input {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  outline: none;
  transition: border-color .3s, box-shadow .3s;
}

.team-input::placeholder {
  color: var(--text-dim);
}

.team-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, .15);
}

.input-hint {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: .7rem;
  color: var(--text-dim);
  background: var(--surface2);
  padding: 3px 8px;
  border-radius: 4px;
  pointer-events: none;
}

/* Team Tags */
.team-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  min-height: 32px;
}

.team-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 500;
  animation: tagPop .25s cubic-bezier(.34, 1.56, .64, 1);
  color: var(--text);
}

@keyframes tagPop {
  from { opacity: 0; transform: scale(.8); }
  to { opacity: 1; transform: scale(1); }
}

.team-tag .seed {
  font-size: .65rem;
  font-weight: 700;
  color: var(--accent2);
  opacity: .6;
}

.tag-x {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 71, 87, .15);
  color: var(--lose);
  font-size: .75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}

.tag-x:hover {
  background: var(--lose);
  color: #fff;
}

.team-count {
  font-size: .8rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.team-count strong {
  color: var(--accent2);
}

/* Generate Button */
.generate-btn {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  font-family: 'Archivo Black', sans-serif;
  font-size: 1rem;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all .3s;
}

.generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108, 92, 231, .5);
}

.generate-btn:active {
  transform: translateY(0);
}

.generate-btn:disabled {
  opacity: .4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ── BRACKET AREA ── */
.bracket-area {
  padding: 32px 48px 60px;
  display: none;
}

.bracket-area.visible {
  display: block;
}

.bracket-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.bracket-title {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.4rem;
}

.bracket-title span {
  color: var(--accent2);
  font-size: .85rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  margin-left: 12px;
}

.reset-btn {
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-dim);
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: .8rem;
  cursor: pointer;
  transition: all .3s;
}

.reset-btn:hover {
  border-color: var(--lose);
  color: var(--lose);
}

/* Bracket Canvas */
.bracket-scroll {
  overflow-x: auto;
  padding-bottom: 20px;
}

.bracket-canvas {
  position: relative;
}

.bracket-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ── MATCH BOX ── */
.match-box {
  position: absolute;
  width: 200px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: visible;
  transition: border-color .3s, box-shadow .3s;
  z-index: 1;
}

.match-box:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(108, 92, 231, .12);
}

.match-box.decided {
  border-color: var(--border);
}

.match-box.decided:hover {
  box-shadow: none;
  border-color: var(--border);
}

.match-box.gf-box {
  border-color: var(--gold);
  border-width: 2px;
}

.match-box.gf-box:hover {
  box-shadow: 0 4px 24px rgba(255, 211, 42, .15);
}

.match-num {
  position: absolute;
  top: -10px;
  left: -10px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: .6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  box-shadow: 0 2px 8px rgba(108, 92, 231, .4);
}

.match-box.gf-box .match-num {
  background: var(--gold);
  color: #000;
}

.match-inner {
  border-radius: 10px;
  overflow: hidden;
}

/* Match Slots */
.match-slot {
  display: flex;
  align-items: center;
  padding: 9px 12px;
  cursor: pointer;
  transition: all .2s;
  gap: 8px;
  min-height: 36px;
}

.match-slot:first-child {
  border-bottom: 1px solid var(--border);
}

.match-slot:hover {
  background: rgba(108, 92, 231, .08);
}

.match-slot.no-click {
  cursor: default;
}

.match-slot.no-click:hover {
  background: transparent;
}

.match-slot .team-name {
  flex: 1;
  font-size: .78rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.match-slot.empty .team-name {
  color: var(--text-dim);
  font-style: italic;
  font-weight: 400;
}

.match-slot.waiting .team-name {
  color: var(--accent2);
  font-style: normal;
  font-weight: 600;
}

.match-slot.winner {
  background: rgba(0, 206, 201, .08);
}

.match-slot.winner .team-name {
  color: var(--win);
}

.match-slot.winner::after {
  content: '✓';
  font-size: .65rem;
  color: var(--win);
  font-weight: 700;
}

.match-slot.loser {
  opacity: .35;
}

.match-slot.loser:hover {
  background: transparent;
  cursor: default;
}

/* Undo Button */
.undo-btn {
  position: absolute;
  top: 50%;
  right: -30px;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s;
  opacity: 0;
  z-index: 5;
}

.match-box:hover .undo-btn {
  opacity: 1;
}

.undo-btn:hover {
  border-color: var(--lose);
  color: var(--lose);
  background: rgba(255, 71, 87, .12);
  transform: translateY(-50%) scale(1.15);
}

.undo-btn svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Section Tags */
.section-tag {
  position: absolute;
  font-family: 'Archivo Black', sans-serif;
  font-size: .8rem;
  letter-spacing: 1px;
  z-index: 2;
}

.section-tag.w { color: var(--accent2); }
.section-tag.l { color: var(--lose); opacity: .6; }
.section-tag.f { color: var(--gold); }

/* ── LEADERBOARD OVERLAY ── */
.leaderboard-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .75);
  z-index: 100;
  justify-content: center;
  align-items: center;
  animation: fadeIn .3s ease;
}

.leaderboard-overlay.visible {
  display: flex;
}

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

.leaderboard-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  max-width: 480px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  animation: fadeUp .4s ease;
  position: relative;
}

.lb-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}

.lb-close:hover {
  border-color: var(--lose);
  color: var(--lose);
}

.lb-title {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 8px;
  text-align: center;
}

.lb-subtitle {
  font-size: .75rem;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 28px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
}

.lb-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 6px;
  transition: background .2s;
}

.lb-row:hover {
  background: var(--surface2);
}

.lb-rank {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: .8rem;
  flex-shrink: 0;
}

.lb-rank.r1 { background: rgba(255, 211, 42, .15); color: var(--gold); }
.lb-rank.r2 { background: rgba(192, 192, 192, .12); color: var(--silver); }
.lb-rank.r3 { background: rgba(205, 127, 50, .12); color: var(--bronze); }
.lb-rank.rn { background: var(--surface2); color: var(--text-dim); }

.lb-name {
  flex: 1;
  font-weight: 600;
  font-size: .9rem;
}

.lb-name.n1 { color: var(--gold); }
.lb-name.n2 { color: var(--silver); }
.lb-name.n3 { color: var(--bronze); }

.lb-badge {
  font-size: .6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 4px;
}

.lb-badge.b1 { background: rgba(255, 211, 42, .12); color: var(--gold); }
.lb-badge.b2 { background: rgba(192, 192, 192, .1); color: var(--silver); }
.lb-badge.b3 { background: rgba(205, 127, 50, .1); color: var(--bronze); }

.lb-crown {
  font-size: 1.2rem;
  margin-right: 4px;
}

/* ── FOOTER ── */
.site-footer {
  padding: 32px 48px;
  text-align: center;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.footer-text {
  font-size: .75rem;
  color: var(--text-dim);
  letter-spacing: .5px;
}

.footer-text a {
  color: var(--accent2);
  text-decoration: none;
}

.footer-text a:hover {
  text-decoration: underline;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { height: 6px; width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }