/* frontend/styles.css */
:root {
  --bg: #0b1020;
  --bg-2: #121a31;
  --card: rgba(19, 27, 52, 0.72);
  --card-strong: rgba(25, 35, 67, 0.92);
  --text: #eef2ff;
  --muted: #9fb0d4;
  --line: rgba(255, 255, 255, 0.08);
  --primary: #7c3aed;
  --primary-2: #4f46e5;
  --success: #10b981;
  --danger: #ef4444;
  --warn: #f59e0b;
  --cell-size: 32px;
  --cell-font-size: 16px;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, #172554 0%, transparent 32%),
    radial-gradient(circle at bottom right, #3b0764 0%, transparent 30%),
    linear-gradient(180deg, #090e1d 0%, #0b1020 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

body {
  padding:
    calc(14px + env(safe-area-inset-top))
    14px
    calc(14px + env(safe-area-inset-bottom));
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

button,
.board,
.cell,
.empty-state {
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.field input,
.text-input {
  appearance: none;
  -webkit-appearance: none;
  user-select: text;
  -webkit-user-select: text;
  -webkit-touch-callout: default;
}

.bg-orb {
  position: fixed;
  filter: blur(60px);
  opacity: 0.25;
  z-index: 0;
  pointer-events: none;
}

.orb-a {
  width: 240px;
  height: 240px;
  background: #4f46e5;
  top: -40px;
  left: -40px;
}

.orb-b {
  width: 280px;
  height: 280px;
  background: #db2777;
  right: -80px;
  bottom: -60px;
}

.app {
  position: relative;
  z-index: 1;
  max-width: 1360px;
  margin: 0 auto;
}

.card {
  background: var(--card);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  margin-bottom: 14px;
}

.eyebrow {
  color: #9cc5ff;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 6px 0 4px;
  font-size: 30px;
  line-height: 1;
}

.subtitle {
  color: var(--muted);
  font-size: 14px;
}

.user-chip {
  white-space: nowrap;
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: #c7d2fe;
  font-weight: 700;
  max-width: 42vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ghost-btn,
.mini-btn,
.zoom-btn,
.ban-btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 700;
  cursor: pointer;
}

.ban-btn.ban {
  border-color: rgba(239, 68, 68, 0.35);
  color: #fecaca;
}

.ban-btn.unban {
  border-color: rgba(16, 185, 129, 0.35);
  color: #bbf7d0;
}

.zoom-btn {
  min-width: 48px;
}

.layout {
  display: grid;
  grid-template-columns: 390px 1fr;
  gap: 14px;
}

.sidebar,
.board-card {
  padding: 18px;
}

.section + .section {
  margin-top: 18px;
}

.section-title {
  color: #cbd5e1;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.segmented {
  display: flex;
  gap: 8px;
}

.segmented.triple .seg-btn,
.segmented.compact .seg-btn {
  flex: 1;
}

.seg-btn {
  flex: 1;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.18s ease;
}

.seg-btn.active {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.9), rgba(79, 70, 229, 0.9));
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(79, 70, 229, 0.28);
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field span {
  color: var(--muted);
  font-size: 12px;
}

.text-input,
.field input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 12px;
  outline: none;
  font-size: 15px;
}

.preset-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  margin-top: 10px;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.join-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.room-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
}

.room-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.room-row span {
  color: var(--muted);
  font-size: 14px;
}

.room-actions {
  display: grid;
  gap: 8px;
}

.btn {
  border: 0;
  border-radius: 16px;
  padding: 14px 16px;
  font-weight: 800;
  color: white;
  cursor: pointer;
  transition: 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 16px 34px rgba(79, 70, 229, 0.28);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  border: 1px solid var(--line);
}

.hidden {
  display: none !important;
}

.stats {
  display: grid;
  gap: 10px;
}

.stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
}

.stat span {
  color: var(--muted);
  font-size: 14px;
}

.stat strong {
  font-size: 16px;
}

.admin-details {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  padding: 0;
  overflow: hidden;
}

.admin-toggle {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  font-weight: 800;
  color: #e2e8f0;
}

.admin-toggle::-webkit-details-marker {
  display: none;
}

.admin-arrow {
  transition: transform 0.16s ease;
}

.admin-details[open] .admin-arrow {
  transform: rotate(180deg);
}

.admin-panel {
  padding: 0 16px 16px;
}

.admin-list {
  display: grid;
  gap: 8px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.admin-card {
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
}

.admin-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.admin-card strong {
  font-size: 20px;
}

.admin-block {
  margin-top: 12px;
}

.admin-subtitle {
  color: #dbeafe;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 8px;
}

.admin-item {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
}

.admin-item-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.admin-meta {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.placeholder {
  color: var(--muted);
  border: 1px dashed rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 16px;
  text-align: center;
}

.status-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.status-text {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.15;
}

.badge {
  min-width: 92px;
  text-align: center;
  border-radius: 999px;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.badge-ok {
  color: #d1fae5;
  background: rgba(16, 185, 129, 0.14);
  border-color: rgba(16, 185, 129, 0.22);
}

.badge-warn {
  color: #fef3c7;
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.22);
}

.badge-danger {
  color: #fee2e2;
  background: rgba(239, 68, 68, 0.14);
  border-color: rgba(239, 68, 68, 0.22);
}

.field-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.field-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.field-counter {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  min-width: 120px;
}

.field-counter span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
}

.field-counter strong {
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.players-grid {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.player-card {
  border-radius: 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
}

.player-card.me {
  box-shadow: inset 0 0 0 1px rgba(124, 58, 237, 0.4);
}

.player-card.winner {
  box-shadow: inset 0 0 0 1px rgba(16, 185, 129, 0.45);
}

.player-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.player-main {
  min-width: 0;
}

.player-name {
  color: #e2e8f0;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-meta {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.player-score {
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.board-wrap {
  position: relative;
  overflow: auto;
  border-radius: 20px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.02)),
    var(--card-strong);
  min-height: 360px;
  display: grid;
  place-items: center;
  padding: 16px;
}

.preview-wrap {
  min-height: 340px;
  max-height: 480px;
}

.board {
  display: grid;
  gap: 4px;
  justify-content: center;
  align-content: center;
  width: max-content;
  max-width: none;
}

.empty-state {
  width: min(420px, 100%);
  text-align: center;
  color: var(--muted);
  padding: 32px 18px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 18px;
}

.cell {
  width: var(--cell-size);
  height: var(--cell-size);
  border: 0;
  border-radius: 3px;
  padding: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  color: #fff;
  font-weight: 900;
  font-size: var(--cell-font-size);
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: 0.12s ease;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 4px 10px rgba(0,0,0,0.18);
  touch-action: manipulation;
}

.cell:hover {
  transform: translateY(-1px);
}

.cell.open {
  background: rgba(255,255,255,0.1);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
}

.cell.flagged {
  color: #fbbf24;
}

.cell.mine {
  background: linear-gradient(135deg, #fb7185, #ef4444);
  box-shadow: 0 6px 16px rgba(239, 68, 68, 0.28);
}

.cell.by-me.open:not(.mine) {
  box-shadow: inset 0 0 0 1px rgba(124, 58, 237, 0.45);
}

.cell.by-other.open:not(.mine) {
  box-shadow: inset 0 0 0 1px rgba(16, 185, 129, 0.45);
}

.cell.hovered-by-other:not(.open) {
  outline: 2px solid rgba(34, 211, 238, 0.9);
  outline-offset: -2px;
  box-shadow:
    inset 0 0 0 1px rgba(34, 211, 238, 0.35),
    0 0 0 1px rgba(34, 211, 238, 0.18);
}

.cell[data-adj="1"] { color: #60a5fa; }
.cell[data-adj="2"] { color: #34d399; }
.cell[data-adj="3"] { color: #f87171; }
.cell[data-adj="4"] { color: #a78bfa; }
.cell[data-adj="5"] { color: #fb923c; }
.cell[data-adj="6"] { color: #22d3ee; }
.cell[data-adj="7"] { color: #f472b6; }
.cell[data-adj="8"] { color: #facc15; }

.board-toolbar {
  margin-top: 12px;
  display: grid;
  gap: 10px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
}

.toolbar-title {
  color: var(--muted);
  font-size: 13px;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 18, 0.62);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  padding: 18px;
}

.overlay-card {
  width: min(360px, 100%);
  border-radius: 24px;
  background: rgba(17, 24, 39, 0.9);
  border: 1px solid var(--line);
  padding: 22px;
  text-align: center;
  box-shadow: var(--shadow);
}

.overlay-title {
  font-size: 24px;
  font-weight: 900;
  margin-bottom: 14px;
}

.field-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(4, 8, 18, 0.88);
  backdrop-filter: blur(10px);
  display: grid;
  place-items: center;
  padding:
    calc(14px + env(safe-area-inset-top))
    calc(14px + env(safe-area-inset-right))
    calc(14px + env(safe-area-inset-bottom))
    calc(14px + env(safe-area-inset-left));
  overflow: hidden;
}

.field-modal-card {
  width: min(1280px, 100%);
  max-width: 100%;
  height: min(980px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(13, 19, 37, 0.96);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.field-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.modal-counters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.zoom-controls {
  display: flex;
  gap: 8px;
}

.modal-restart-btn {
  padding: 10px 14px;
}

.modal-hint {
  color: var(--muted);
  font-size: 13px;
  padding: 0 2px;
}

.modal-board-scroll {
  flex: 1;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.02)),
    var(--card-strong);
  padding: 16px;
  display: block;
  position: relative;
  touch-action: none;
  overscroll-behavior: none;
  cursor: grab;
}

.modal-board-scroll.dragging {
  cursor: grabbing;
}

.modal-stage {
  display: inline-block;
  width: max-content;
  padding: 56px;
  transform-origin: 0 0;
  will-change: transform;
  touch-action: none;
}

.modal-toolbar {
  margin-top: 0;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(22px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  max-width: min(520px, calc(100vw - 24px));
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.94);
  color: white;
  border: 1px solid var(--line);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  z-index: 60;
  text-align: center;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .board-wrap {
    min-height: 280px;
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 16px;
  }

  h1 {
    font-size: 26px;
  }

  .sidebar,
  .board-card {
    padding: 14px;
  }

  .config-grid {
    grid-template-columns: 1fr;
  }

  .join-box {
    grid-template-columns: 1fr;
  }

  .admin-grid {
    grid-template-columns: 1fr 1fr;
  }

  .field-topbar {
    align-items: stretch;
  }

  .field-actions {
    width: 100%;
  }

  .field-actions .ghost-btn {
    width: 100%;
  }

  .field-modal {
    padding:
      calc(10px + env(safe-area-inset-top))
      calc(10px + env(safe-area-inset-right))
      calc(10px + env(safe-area-inset-bottom))
      calc(10px + env(safe-area-inset-left));
  }

  .field-modal-card {
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 20px;
  }

  .field-modal-header {
    align-items: stretch;
  }

  .zoom-controls {
    width: 100%;
  }

  .zoom-btn {
    flex: 1;
  }

  .modal-restart-btn {
    width: 100%;
  }

  .modal-stage {
    padding: 40px;
  }
}