/* ─── THOR Chess — Main Styles ─── */
/* Paleta ODIN: Cosmic Depth, Tech-Gray, Cyan, Deep Orchid, Magenta, Fuchsia */

/* ─── Reset & Custom Properties ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* ODIN Color Palette */
  --color-cosmic:    #1A1A2E;
  --color-space:     #16213E;
  --color-tech-gray: #212121;
  --color-panel:     #2a2a3e;
  --color-panel-alt: #1e1e32;
  --color-border:    #3a3a55;

  --color-cyan:      #00E5FF;
  --color-cyan-dim:  #00b8cc;
  --color-orchid:    #6A1B9A;
  --color-fuchsia:   #C2185B;
  --color-magenta:   #E91E63;
  --color-orange:    #FF5722;
  --color-yellow:    #FFEB3B;

  /* Semantic tokens */
  --bg-base:         var(--color-cosmic);
  --bg-surface:      var(--color-panel);
  --bg-surface-alt:  var(--color-panel-alt);
  --bg-hover:        rgba(0, 229, 255, 0.08);

  --text-primary:    #e8eaf6;
  --text-secondary:  #9e9ec8;
  --text-muted:      #5c5c8a;
  --text-accent:     var(--color-cyan);
  --text-danger:     var(--color-magenta);
  --text-warning:    var(--color-yellow);

  --border-default:  var(--color-border);
  --border-accent:   var(--color-cyan);
  --border-focus:    var(--color-cyan);

  --radius-sm:       4px;
  --radius-md:       8px;
  --radius-lg:       12px;

  --shadow-card:     0 2px 12px rgba(0, 0, 0, 0.4);
  --shadow-glow:     0 0 16px rgba(0, 229, 255, 0.2);

  --font-sans:       -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono:       'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --transition-fast: 120ms ease;
  --transition-med:  200ms ease;

  /* Layout */
  --header-h:        56px;
  --setup-bar-h:     52px;
}

/* ─── Base ─── */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100dvh;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── App Shell ─── */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ─── Screens ─── */
.screen { flex: 1; }
.hidden { display: none !important; }

/* ─── Header ─── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.75rem 0 0.5rem;
  backdrop-filter: blur(8px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.header-brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.brand-thor {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-cyan);
  font-family: var(--font-mono);
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.header-nav {
  display: flex;
  gap: 0.25rem;
}

.nav-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-icon-btn:hover,
.nav-icon-btn:focus-visible {
  background: var(--bg-hover);
  color: var(--text-accent);
  outline: 2px solid var(--border-focus);
  outline-offset: -2px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast);
  white-space: nowrap;
  line-height: 1;
}

.btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-orchid);
  border-color: var(--color-orchid);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background: #7b1fa2;
  border-color: #7b1fa2;
  box-shadow: 0 0 12px rgba(106, 27, 154, 0.5);
}

.btn-secondary {
  background: var(--bg-surface);
  border-color: var(--border-default);
  color: var(--text-primary);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--border-accent);
  color: var(--text-accent);
}

.btn-danger {
  background: transparent;
  border-color: var(--color-fuchsia);
  color: var(--color-fuchsia);
}
.btn-danger:hover:not(:disabled) {
  background: rgba(194, 24, 91, 0.15);
}

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-full { width: 100%; }

/* ─── Auth Screen ─── */
.screen-auth {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100dvh - var(--header-h));
  padding: 1.5rem;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

.auth-title {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--color-cyan);
  text-align: center;
  margin-bottom: 0.25rem;
}

.auth-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-default);
  margin-bottom: 1.5rem;
  gap: 0.25rem;
}

.auth-tab {
  flex: 1;
  padding: 0.625rem 1rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.auth-tab.active {
  color: var(--text-accent);
  border-bottom-color: var(--color-cyan);
}

.auth-tab:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: -2px;
}

.auth-form { display: none; }
.auth-form.active { display: flex; flex-direction: column; gap: 1rem; }

.auth-panel-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.auth-panel-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

.btn-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-accent);
  font-size: 0.8125rem;
  cursor: pointer;
  text-align: center;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.btn-link:hover { color: var(--color-orchid); }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input {
  padding: 0.625rem 0.875rem;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-error {
  font-size: 0.8125rem;
  color: var(--text-danger);
  min-height: 1.2rem;
  text-align: center;
}

/* ─── Game Setup Bar ─── */
.game-setup-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  flex-wrap: wrap;
}

.setup-group {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.setup-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

.setup-select {
  padding: 0.375rem 0.625rem;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239e9ec8'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 1.75rem;
  transition: border-color var(--transition-fast);
}

.setup-select:focus {
  outline: none;
  border-color: var(--border-focus);
}

/* ─── Game Layout ─── */
.screen-game {
  display: flex;
  flex-direction: column;
}

.game-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1rem;
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* ─── Board Column ─── */
.board-column {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: min(calc(100vw - 2rem), 500px);
}

.player-info {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
}

.player-avatar {
  font-size: 1.25rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-alt);
  border-radius: 50%;
  flex-shrink: 0;
}

.ai-avatar { background: rgba(106, 27, 154, 0.3); }
.user-avatar { background: rgba(0, 229, 255, 0.1); }

.player-details {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  flex: 1;
  min-width: 0;
}

.player-name {
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-status {
  font-size: 0.75rem;
  color: var(--color-cyan);
  min-height: 1rem;
}

.clock {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

/* ─── Board Area ─── */
.board-area {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}

.chess-board-container {
  flex: 1;
  min-width: 0;
}

/* ─── Eval Bar ─── */
.eval-bar {
  width: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.eval-bar-fill {
  position: absolute;
  bottom: 50%;
  left: 0;
  right: 0;
  background: #e8eaf6;
  transition: bottom 0.4s ease;
}

.eval-value {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  white-space: nowrap;
}

/* ─── Move Controls ─── */
.move-controls {
  display: flex;
  gap: 0.5rem;
}

/* ─── Info Panel ─── */
.info-panel {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 220px;
  max-width: 300px;
}

.info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 0.875rem;
  box-shadow: var(--shadow-card);
}

.info-card-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.625rem;
}

.status-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ─── Move History ─── */
.move-history {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  max-height: 240px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-default) transparent;
}

.move-history-empty {
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-family: var(--font-sans);
}

.move-history-row {
  display: grid;
  grid-template-columns: 2.5rem 1fr 1fr;
  gap: 0.25rem;
  padding: 0.1875rem 0;
  border-bottom: 1px solid rgba(58, 58, 85, 0.4);
}

.move-history-row:last-child { border-bottom: none; }

.move-num { color: var(--text-muted); }
.move-white { color: var(--text-primary); }
.move-black { color: var(--text-secondary); }

/* ─── Engine Status ─── */
.engine-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-loading { background: var(--color-yellow); animation: pulse 1.2s infinite; }
.status-ready   { background: #4caf50; }
.status-error   { background: var(--color-magenta); }
.status-thinking { background: var(--color-cyan); animation: pulse 0.8s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

#engine-status-text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.engine-bestmove {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  min-height: 1rem;
}

/* ─── Loading Overlay ─── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}

.loading-overlay.hidden { display: none; }

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-default);
  border-top-color: var(--color-cyan);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

#loading-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ─── Toast Notifications ─── */
.toast-container {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  box-shadow: var(--shadow-card);
  pointer-events: all;
  animation: toast-in 0.2s ease;
  max-width: 320px;
}

.toast-success { border-left: 3px solid #4caf50; }
.toast-error   { border-left: 3px solid var(--color-magenta); }
.toast-info    { border-left: 3px solid var(--color-cyan); }
.toast-warning { border-left: 3px solid var(--color-yellow); }

@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .game-layout {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 0.75rem;
  }

  .board-column {
    width: 100%;
  }

  .info-panel {
    max-width: 100%;
  }

  .game-setup-bar {
    gap: 0.5rem;
  }

  .setup-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.125rem;
  }

  .auth-card {
    padding: 1.5rem;
  }
}

@media (max-width: 400px) {
  .game-setup-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .setup-group {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .setup-select { flex: 1; }
}

/* ─── Onboarding / Calibración ─── */

.screen-onboarding {
  background: var(--color-cosmic);
  overflow-y: auto;
  padding: 0;
}

.ob-step {
  max-width: 560px;
  margin: 0 auto;
  padding: 1.5rem 1rem 5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Progress bar */
.ob-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.25rem;
}
.ob-bar-fill {
  height: 100%;
  background: var(--color-cyan);
  border-radius: 2px;
  transition: width 0.4s ease;
}

/* Header */
.ob-header { display: flex; flex-direction: column; gap: 0.25rem; }
.ob-label {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-cyan);
  font-weight: 600;
}
.ob-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}
.ob-header p, .ob-mental-ctx {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Welcome */
.ob-welcome { align-items: center; text-align: center; padding-top: 3rem; }
.ob-bolt { font-size: 3.5rem; line-height: 1; }
.ob-title { font-size: 2rem; font-weight: 800; color: var(--color-text-primary); }
.ob-sub { font-size: 1rem; color: var(--color-text-muted); margin-top: -0.5rem; }

.ob-info-card {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  text-align: left;
  width: 100%;
}
.ob-info-card h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}
.ob-info-card p { font-size: 0.875rem; color: var(--color-text-muted); }
.ob-note { font-size: 0.8rem !important; color: var(--color-cyan) !important; margin-top: 0.75rem; }

.ob-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0.75rem 0;
}
.ob-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}
.ob-icon { font-size: 1.1rem; }

/* BFI items */
.ob-bfi-items { display: flex; flex-direction: column; gap: 1.5rem; }
.ob-bfi-item { display: flex; flex-direction: column; gap: 0.6rem; }
.ob-bfi-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}
.ob-bfi-text em { color: var(--color-text-primary); font-style: normal; }

.ob-scale {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.ob-scale-lbl {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.2;
  min-width: 48px;
}

.ob-radio { position: relative; cursor: pointer; }
.ob-radio input { position: absolute; opacity: 0; width: 0; height: 0; }
.ob-radio-pip {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-panel);
  transition: all 0.15s ease;
}
.ob-radio input:checked + .ob-radio-pip {
  background: var(--color-cyan);
  border-color: var(--color-cyan);
  color: var(--color-cosmic);
}
.ob-radio:hover .ob-radio-pip {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

/* Situational options */
.ob-sit-opts {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.ob-sit-opt {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.875rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  background: var(--color-panel);
  cursor: pointer;
  transition: all 0.15s ease;
}
.ob-sit-opt input { position: absolute; opacity: 0; width: 0; height: 0; }
.ob-sit-opt:has(input:checked) {
  border-color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.08);
}
.ob-sit-opt:hover { border-color: var(--color-cyan); }
.ob-sit-opt-txt {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  flex: 1;
}

/* Tactic */
.ob-board-wrap {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0;
}
.ob-timer {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-cyan);
  letter-spacing: 0.04em;
}
.ob-feedback {
  text-align: center;
  font-size: 0.9rem;
  min-height: 1.5rem;
}
.ob-ok { color: #4caf50; font-weight: 600; }
.ob-fail { color: #ef5350; font-weight: 600; }

/* Game info */
.ob-game-details {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}
.ob-game-detail {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 0.75rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.ob-game-detail span { font-size: 0.7rem; color: var(--color-text-muted); text-transform: uppercase; }
.ob-game-detail strong { font-size: 0.95rem; color: var(--color-text-primary); }
.ob-game-note { font-size: 0.85rem; color: var(--color-text-muted); text-align: center; }

/* Mental process */
.ob-mental-form { display: flex; flex-direction: column; gap: 0.75rem; }
.ob-mental-q {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  font-style: italic;
  padding: 0.75rem;
  background: var(--color-panel);
  border-left: 3px solid var(--color-cyan);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}
.ob-textarea {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  color: var(--color-text-primary);
  font-size: 0.875rem;
  padding: 0.75rem;
  resize: vertical;
  min-height: 96px;
  font-family: inherit;
  line-height: 1.5;
  transition: border-color 0.15s ease;
}
.ob-textarea:focus {
  outline: none;
  border-color: var(--color-cyan);
}
.ob-move-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.ob-move-row label { font-size: 0.8rem; color: var(--color-text-muted); white-space: nowrap; }
.ob-move-input {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  color: var(--color-text-primary);
  font-size: 0.9rem;
  padding: 0.5rem 0.75rem;
  width: 100px;
  font-family: 'Courier New', monospace;
  transition: border-color 0.15s ease;
}
.ob-move-input:focus { outline: none; border-color: var(--color-cyan); }

/* Processing spinner */
.ob-processing {
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  gap: 1.5rem;
}
.ob-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-cyan);
  border-radius: 50%;
  animation: ob-spin 0.8s linear infinite;
}
@keyframes ob-spin { to { transform: rotate(360deg); } }

/* Profile */
.ob-profile {
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}
.ob-profile-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.ob-profile-bolt { font-size: 3rem; }
.ob-profile-name {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text-primary);
}
.ob-nivel-badge {
  display: inline-block;
  padding: 0.35rem 1.25rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
}
.ob-profile-narrativa {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  text-align: left;
  width: 100%;
}

.ob-openings {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.ob-openings h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-cyan);
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.ob-opening-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  gap: 0.5rem;
}
.ob-col-lbl { color: var(--color-text-muted); white-space: nowrap; }
.ob-col-val { color: var(--color-text-primary); font-weight: 600; text-align: right; }

.ob-stats {
  display: flex;
  gap: 1rem;
  justify-content: center;
  width: 100%;
}
.ob-stat {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  flex: 1;
}
.ob-stat-val { font-size: 1.5rem; font-weight: 800; color: var(--color-cyan); }
.ob-stat-lbl { font-size: 0.7rem; color: var(--color-text-muted); text-transform: uppercase; }

/* Big button */
.ob-btn-lg {
  width: 100%;
  padding: 0.875rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-card);
  margin-top: 0.5rem;
}

/* Error / validation */
.ob-err { color: #ef5350; font-size: 0.8rem; min-height: 1.2rem; }
.ob-error { text-align: center; color: var(--color-text-muted); }

/* Sit item spacing */
.ob-sit-item { gap: 0.75rem; }

/* ── Platform import step ── */
.ob-platform { gap: 1.5rem; }
.ob-platform-form { display: flex; flex-direction: column; gap: 0.875rem; }
.ob-platform-input-row {
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
}
.ob-platform-logo { font-size: 1.4rem; line-height: 1; }
.ob-platform-name { font-size: 0.85rem; font-weight: 600; color: var(--color-text-primary); min-width: 80px; }
.ob-input {
  flex: 1; min-width: 120px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-size: 0.9rem;
  padding: 0.5rem 0.75rem;
}
.ob-input:focus { outline: none; border-color: var(--color-cyan); }
.ob-plat-btn { white-space: nowrap; flex-shrink: 0; }
.ob-plat-status { min-height: 52px; }
.ob-plat-success {
  display: flex; flex-direction: column; gap: 0.4rem;
  background: rgba(0,229,255,0.06);
  border: 1px solid rgba(0,229,255,0.3);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}
.ob-plat-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem; gap: 0.5rem;
}
.ob-plat-row span  { color: var(--color-text-muted); }
.ob-plat-row strong { color: var(--color-text-primary); text-align: right; }
.ob-plat-error { color: #ef5350; font-size: 0.82rem; line-height: 1.4; }
.ob-loading    { color: var(--color-text-muted); font-size: 0.85rem; }
.ob-skip-note  { font-size: 0.72rem; color: var(--color-text-muted); text-align: center; margin-top: -0.5rem; }

/* Profile: platform badge / note */
.ob-platform-badge {
  display: flex; align-items: center; gap: 0.5rem;
  background: rgba(76,175,80,0.1);
  border: 1px solid rgba(76,175,80,0.4);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem; color: #66bb6a;
}
.ob-platform-note { font-size: 0.75rem; color: var(--color-text-muted); text-align: center; }

@media (max-width: 480px) {
  .ob-scale-lbl { display: none; }
  .ob-scale { gap: 0.3rem; }
  .ob-radio-pip { width: 32px; height: 32px; font-size: 0.75rem; }
  .ob-game-details { flex-direction: column; align-items: center; }
  .ob-game-detail { width: 100%; flex-direction: row; justify-content: space-between; }
}

/* ─── Sidebar Drawer ─── */

.sidebar-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.sidebar-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 310;
  width: 280px;
  max-width: 80vw;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}
.sidebar.open {
  transform: translateX(0);
}
.sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-orchid), var(--color-fuchsia), var(--color-magenta), var(--color-orange));
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.75rem 0.5rem;
  border-bottom: 1px solid var(--border-default);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.sidebar-logo {
  flex-shrink: 0;
  line-height: 0;
}
.sidebar-logo svg {
  display: block;
}
.sidebar-brand-text {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-cyan);
  font-family: var(--font-mono);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1rem 0.75rem;
  border-bottom: 1px solid var(--border-default);
  margin: 0 0.5rem;
}

.sidebar-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-orchid), var(--color-magenta));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.sidebar-user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.sidebar-user-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-style {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.sidebar-user-placeholder {
  opacity: 0.6;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0.5rem;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
  text-align: left;
  width: 100%;
  position: relative;
}
.sidebar-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.sidebar-item.active {
  background: rgba(0, 229, 255, 0.1);
  color: var(--color-cyan);
  font-weight: 600;
}
.sidebar-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background: var(--color-cyan);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.4);
}

.sidebar-icon {
  font-size: 1.15rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-item-danger {
  color: var(--text-danger);
}
.sidebar-item-danger:hover {
  background: rgba(233, 30, 99, 0.1);
}

.sidebar-divider {
  height: 1px;
  background: var(--border-default);
  margin: 0.25rem 1rem;
}

.sidebar-nav-secondary {
  flex: 1;
}

.sidebar-footer {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-default);
  text-align: center;
}
.sidebar-version {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

@media (min-width: 768px) {
  .sidebar-item { padding: 0.7rem 0.75rem; font-size: 0.92rem; }
}

@media (min-width: 1024px) {
  .sidebar { width: 300px; }
}