/* ==========================================================================
   Poti Special Open 2026 — Modern Sports App Design Tokens
   Palette: Deep Navy/Slate backgrounds, Optic Yellow & Digital Blue accents.
   Type: Inter for UI, JetBrains Mono for scores.
   ========================================================================== */

:root {
  /* -- color: app backgrounds (Dark by default) -- */
  --bg-main: #0b0f19;
  --bg-panel: #111827;
  --bg-card: #1f2937;
  --bg-card-hover: #374151;

  /* -- color: accents -- */
  --accent-primary: #ccff00; /* Optic Yellow */
  --accent-secondary: #3b82f6; /* Digital Blue */

  /* -- color: typography -- */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --text-inverse: #0f172a;

  /* -- overlays & borders (Adaptive) -- */
  --border-light: rgba(255, 255, 255, 0.08);
  --border-med: rgba(255, 255, 255, 0.15);
  --bg-overlay: rgba(255, 255, 255, 0.05);
  --bg-overlay-hover: rgba(255, 255, 255, 0.1);

  /* -- color: signal -- */
  --win-mark: #10b981;
  --win-mark-deep: #059669;
  --win-tint: rgba(16, 185, 129, 0.15);
  --danger: #ef4444;

  /* -- radius -- */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-pill: 9999px;

  /* -- shadow -- */
  --shadow-card:
    0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-card-hover:
    0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-pop: 0 25px 50px -12px rgba(0, 0, 0, 0.7);

  /* -- type -- */
  --font-display: "Inter", "Noto Sans Georgian", sans-serif;
  --font-body: "Inter", "Noto Sans Georgian", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* -- bracket geometry -- */
  --match-h: 76px;
  --card-w: 290px;
  --col-gap: 56px;
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-main: #f1f5f9;
  --bg-panel: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #e2e8f0;

  --accent-primary: #10b981; /* Green accent is better visible in light mode */
  --accent-secondary: #2563eb;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --border-light: rgba(0, 0, 0, 0.08);
  --border-med: rgba(0, 0, 0, 0.15);
  --bg-overlay: rgba(0, 0, 0, 0.04);
  --bg-overlay-hover: rgba(0, 0, 0, 0.08);

  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-card-hover: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

* {
  box-sizing: border-box;
}

::selection {
  background: var(--accent-primary);
  color: var(--text-inverse);
}

:focus-visible {
  outline: 2px solid var(--accent-secondary);
  outline-offset: 2px;
  border-radius: 4px;
}

html,
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-main);
  background-image:
    radial-gradient(
      circle at top right,
      var(--bg-overlay-hover),
      transparent 40%
    ),
    radial-gradient(circle at bottom left, var(--bg-overlay), transparent 40%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

/* ==========================================================================
   Layout shell
   ========================================================================== */

.page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 32px 100px;
}

header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border-light);
  position: relative;
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.title-block {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: 16px;
}

.title-block .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin: 0;
  padding: 4px 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--r-pill);
  background: var(--bg-overlay);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

@media (max-width: 578px) {
  .title-block .eyebrow::before {
    display: none;
  }
  .eyebrow-dot {
    display: none;
  }
}

@media (max-width: 560px) {
  .eyebrow-text.third {
    flex-basis: 100%;
  }
  .eyebrow-dot_2 {
    display: none;
  }
}

@media (max-width: 466px) {
  .eyebrow-text.second {
    flex-basis: 100%;
  }
  .eyebrow-dot_1 {
    display: none;
  }
}

@media (max-width: 345px) {
  .title-block .eyebrow-text {
    text-align: center;
  }
}

.title-block .eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
}

.login-container {
  display: flex;
  align-items: flex-end;
  gap: 5px;
}

@media (max-width: 685px) {
  .login-container {
    flex-direction: column;
  }
}

.header-right {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  width: 100%;
  flex-wrap: wrap;
}

.header-right h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5vw, 48px);
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin: 0;
  line-height: 1;
  color: var(--text-primary);
}

.header-right h1 span {
  color: var(--accent-secondary);
}

.draw-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.draw-meta div {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--bg-overlay);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.draw-meta strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

/* ==========================================================================
   Control panel — tabs + admin actions
   ========================================================================== */

.main-controls-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  width: 100%;
}

.tab-navigation {
  display: flex;
  gap: 4px;
  flex: 1 1 320px;
  padding: 4px;
  background: var(--bg-panel);
  border: 1px solid var(--bg-overlay);
  border-radius: var(--r-md);
}

.admin-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1 1 320px;
}

.tab-btn,
.action-btn {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.tab-btn {
  background: transparent;
  color: var(--text-secondary);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-overlay);
}

.tab-btn.active {
  background: var(--bg-card-hover);
  color: var(--accent-primary);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  font-weight: 600;
}

#editPlayersBtn,
#drawButton {
  background: var(--accent-secondary);
  color: #fff;
}

#editPlayersBtn:hover,
#drawButton:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

#undoBtn {
  background: #475569;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

#undoBtn:hover {
  background: #334155;
  color: #fff;
  transform: translateY(-2px);
}

#liveBadge {
  font-family: var(--font-mono) !important;
  font-size: 12px !important;
  color: var(--accent-primary) !important;
}

/* ==========================================================================
   Loading Dots Animation for Draw Button
   ========================================================================== */

.loading-dots {
  display: inline-block;
}

.loading-dots span {
  animation: blinkDots 1.4s infinite both;
}

.loading-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes blinkDots {
  0% {
    opacity: 0.2;
  }
  20% {
    opacity: 1;
  }
  100% {
    opacity: 0.2;
  }
}

/* ==========================================================================
   Bracket
   ========================================================================== */

.bracket-scroll {
  overflow-x: auto;
  padding-bottom: 24px;
}
.bracket {
  display: flex;
  gap: var(--col-gap);
  align-items: flex-start;
}
.round {
  display: flex;
  flex-direction: column;
  width: var(--card-w);
  flex: 0 0 var(--card-w);
}
.round-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-align: center;
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--border-light);
}
.round-slots {
  position: relative;
}

.match {
  position: absolute;
  left: 0;
  width: 100%;
  height: var(--match-h);
  background: var(--bg-card);
  border-radius: var(--r-sm);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--border-med);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: all 0.2s ease;
}

.match:not(.tbd):hover {
  border-color: var(--border-med);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.match.tbd {
  background: var(--bg-overlay);
  border: 1px dashed var(--border-med);
  border-left: 1px dashed var(--border-med);
  box-shadow: none;
}

.match.tbd .p-name {
  color: var(--text-muted) !important;
  font-family: var(--font-mono);
  font-size: 12px;
}

.player-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50%;
  padding: 0 12px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s ease;
}

.player-row + .player-row {
  border-top: 1px solid var(--border-light);
}

.match:not(.tbd) .player-row.active-player {
  cursor: pointer;
}

.match:not(.tbd) .player-row.active-player:hover {
  background-color: var(--bg-overlay);
}

.player-row.is-winner {
  border-left: 3px solid var(--accent-primary);
  margin-left: -4px;
  padding-left: 13px;
  background: var(--bg-overlay);
}

.player-row.is-winner .p-name {
  font-weight: 700;
  color: var(--text-primary);
}

.player-left {
  display: flex;
  align-items: baseline;
  gap: 10px;
  overflow: hidden;
  flex: 1;
}

.seed {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  color: var(--text-primary);
  padding-top: 4px;
}

.p-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 14px;
}

.p-name.is-bye,
.player-row .p-name.is-bye,
.bye-tag {
  color: var(--win-mark) !important;
  font-weight: 500 !important;
}

.player-scores {
  display: flex;
  gap: 4px;
  margin-left: 12px;
}

.player-scores span {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 20px;
  text-align: center;
}

.player-row.is-winner .player-scores span {
  color: var(--accent-primary);
  font-weight: 700;
}

.round:not(:last-child) .match::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 100%;
  width: calc(var(--col-gap) / 2);
  height: 2px;
  background: var(--border-med);
}

.round:not(:first-child) .match::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 100%;
  width: calc(var(--col-gap) / 2);
  height: 2px;
  background: var(--border-med);
}

.connector {
  position: absolute;
  left: calc(var(--card-w) + var(--col-gap) / 2);
  width: 2px;
  background: var(--border-med);
}

/* ==========================================================================
   Legend
   ========================================================================== */

.legend {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-secondary);
}

.legend-bar {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--accent-primary);
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-panel);
  color: var(--text-primary);
  padding: 32px;
  border-radius: var(--r-lg);
  width: 90%;
  max-width: 440px;
  box-shadow: var(--shadow-pop);
  border: 1px solid var(--border-light);
  transform: translateY(20px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-content h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
}

.modal-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 20px;
}

.sets-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 280px;
  overflow-y: auto;
  margin-bottom: 20px;
}

.set-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  padding: 12px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-light);
}

.set-label {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  color: var(--text-muted);
  width: 50px;
}

.set-inputs {
  display: flex;
  align-items: center;
  gap: 16px;
}

.player-input-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.player-input-group span {
  font-size: 12px;
  color: var(--text-secondary);
  max-width: 110px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.set-inputs input {
  width: 52px;
  height: 44px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  background: var(--bg-main);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  outline: none;
  transition: all 0.2s;
}

.set-inputs input:focus,
#playersTextarea:focus {
  border-color: var(--accent-secondary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

#playersTextarea {
  background: var(--bg-main);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

.modal-btn {
  padding: 12px 20px;
  border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.modal-btn.secondary {
  width: 100%;
  background: var(--bg-overlay);
  color: var(--text-primary);
  border: 1px dashed var(--border-med);
}

.modal-btn.secondary:hover {
  background: var(--bg-overlay-hover);
}

.modal-btn.cancel {
  background: transparent;
  color: var(--text-secondary);
}

.modal-btn.cancel:hover {
  color: var(--text-primary);
  background: var(--bg-overlay);
}

.modal-btn.save {
  background: var(--accent-secondary);
  color: #ffffff;
}

.modal-btn.save:hover {
  filter: brightness(1.1);
}

.modal-btn.warning {
  background: var(--danger);
  color: #ffffff;
}

.modal-btn.warning:hover {
  filter: brightness(1.1);
}

/* ==========================================================================
   Auth / utility buttons
   ========================================================================== */

.auth-btn {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-overlay-hover);
  border: 1px solid var(--border-light);
  padding: 8px 17px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all 0.2s;
  text-wrap: nowrap;
}

.auth-btn:hover {
  background: var(--border-med);
}

#themeToggleBtn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7.3px 34px 6px 34px;
}