/* CONTROL_SURFACE — platform dock (never covers chat composer)
 * Desktop: real grid column beside chat
 * Mobile: sheet above composer + persistent dock chip
 */

:root {
  --cs-rail-width: min(400px, 36vw);
  --cs-composer-offset: 88px;
  --cs-sheet-max: min(52dvh, 520px);
  --cs-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.nabgol-control-surface {
  --cs-bg: #0b1220;
  --cs-fg: #e8eef5;
  --cs-muted: #9aa8b5;
  --cs-accent: #2a6f97;
  --cs-border: rgba(148, 163, 184, 0.28);
  --cs-field-bg: #0f172a;
  --cs-field-fg: #f8fafc;
  display: none;
  flex-direction: column;
  background: var(--cs-bg);
  color: var(--cs-fg);
  border: 1px solid var(--cs-border);
  min-height: 0;
  min-width: 0;
  box-sizing: border-box;
  z-index: 30;
}

.nabgol-control-surface.is-open {
  display: flex;
}

html[data-theme="light"] .nabgol-control-surface,
html.light .nabgol-control-surface {
  --cs-bg: #f8fafc;
  --cs-fg: #0f172a;
  --cs-muted: #64748b;
  --cs-border: rgba(15, 23, 42, 0.12);
  --cs-field-bg: #ffffff;
  --cs-field-fg: #0f172a;
}

/* —— Dock chip: always reachable, never blocks composer —— */
.nabgol-cs-dock {
  position: fixed;
  z-index: 36;
  inset-inline-end: max(12px, env(safe-area-inset-right, 0px));
  bottom: calc(var(--cs-composer-offset) + 10px);
  display: none;
  align-items: center;
  gap: 8px;
  max-width: min(240px, calc(100vw - 24px));
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--cs-border, rgba(148, 163, 184, 0.35));
  background: rgba(11, 18, 32, 0.92);
  color: #e8eef5;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(10px);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  direction: rtl;
}

.nabgol-cs-dock.is-visible {
  display: inline-flex;
}

body.nabgol-control-surface-open .nabgol-cs-dock.is-visible {
  display: none;
}

html[data-theme="light"] .nabgol-cs-dock,
html.light .nabgol-cs-dock {
  background: rgba(255, 255, 255, 0.94);
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.14);
}

.nabgol-cs-dock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  flex: 0 0 auto;
}

.nabgol-cs-shell {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.nabgol-cs-handle {
  display: none;
  width: 40px;
  height: 4px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.45);
  margin: 8px auto 0;
  flex: 0 0 auto;
}

.nabgol-cs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--cs-border);
  flex: 0 0 auto;
}

.nabgol-cs-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.nabgol-cs-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nabgol-cs-icon-btn {
  border: 0;
  background: transparent;
  color: var(--cs-muted);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 8px;
  min-width: 36px;
  min-height: 36px;
}

.nabgol-cs-icon-btn:hover {
  background: rgba(148, 163, 184, 0.15);
  color: var(--cs-fg);
}

.nabgol-cs-body {
  padding: 12px 14px;
  overflow: auto;
  min-height: 0;
  flex: 1 1 auto;
  -webkit-overflow-scrolling: touch;
}

.nabgol-cs-footer {
  flex: 0 0 auto;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--cs-border);
  background: color-mix(in srgb, var(--cs-bg) 92%, #000 8%);
}

.nabgol-cs-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.nabgol-cs-label {
  font-size: 0.85rem;
  color: var(--cs-muted);
}

.nabgol-cs-field input[type="text"],
.nabgol-cs-field input[type="number"],
.nabgol-cs-field textarea,
.nabgol-cs-field select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background-color: var(--cs-field-bg) !important;
  color: var(--cs-field-fg) !important;
  padding: 10px 12px;
  font: inherit;
  color-scheme: dark;
  box-sizing: border-box;
}

html[data-theme="light"] .nabgol-cs-field select,
html.light .nabgol-cs-field select,
html[data-theme="light"] .nabgol-cs-field input,
html.light .nabgol-cs-field input,
html[data-theme="light"] .nabgol-cs-field textarea,
html.light .nabgol-cs-field textarea {
  color-scheme: light;
}

.nabgol-cs-field select {
  -webkit-appearance: none;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #94a3b8 50%),
    linear-gradient(135deg, #94a3b8 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(1em + 2px), calc(100% - 13px) calc(1em + 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-inline-end: 28px;
}

.nabgol-cs-field select option,
.nabgol-cs-field select optgroup {
  background-color: var(--cs-field-bg) !important;
  color: var(--cs-field-fg) !important;
}

.nabgol-cs-field input::placeholder,
.nabgol-cs-field textarea::placeholder {
  color: #94a3b8 !important;
  opacity: 1;
}

.nabgol-cs-coach {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(251, 191, 36, 0.35);
  background: rgba(120, 53, 15, 0.28);
  color: #fde68a;
  font-size: 0.86rem;
  line-height: 1.55;
}

html[data-theme="light"] .nabgol-cs-coach,
html.light .nabgol-cs-coach {
  background: #fffbeb;
  color: #92400e;
  border-color: #fbbf24;
}

.nabgol-cs-lead {
  margin: 0 0 10px;
  font-size: 0.86rem;
  color: var(--cs-muted);
  line-height: 1.55;
}

.nabgol-cs-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.nabgol-cs-preset {
  appearance: none;
  border: 1px solid var(--cs-border);
  background: rgba(148, 163, 184, 0.08);
  color: inherit;
  border-radius: 999px;
  padding: 6px 12px;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  min-height: 34px;
}

.nabgol-cs-preset:hover {
  border-color: var(--cs-accent);
}

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

.nabgol-cs-btn {
  border: 1px solid var(--cs-border);
  background: rgba(148, 163, 184, 0.1);
  color: inherit;
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
  min-height: 40px;
}

.nabgol-cs-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.nabgol-cs-btn-apply {
  background: var(--cs-accent);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  flex: 1 1 auto;
}

.nabgol-cs-btn-revise {
  background: rgba(148, 163, 184, 0.12);
  border-style: dashed;
}

.nabgol-cs-btn-file {
  background: rgba(52, 211, 153, 0.18);
  border-color: rgba(52, 211, 153, 0.45);
  color: #a7f3d0;
  font-weight: 700;
}

.nabgol-cs-btn-soft {
  opacity: 0.85;
  border-style: dashed;
}

.nabgol-cs-status {
  margin: 0 0 8px;
  color: var(--cs-muted);
  font-size: 0.9rem;
}

.nabgol-cs-output-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 4px 0 8px;
}

.nabgol-cs-output-title {
  margin: 0;
  font-size: 0.92rem;
}

.nabgol-cs-preview-badge {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(42, 111, 151, 0.55);
  background: rgba(42, 111, 151, 0.18);
  color: #cfe8f5;
}

.nabgol-cs-output {
  min-height: 120px;
  white-space: pre-wrap;
  border: 1px solid var(--cs-border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.15);
}

html[data-theme="light"] .nabgol-cs-output,
html.light .nabgol-cs-output {
  background: #fff;
}

.nabgol-cs-empty {
  margin: 0;
  color: var(--cs-muted);
}

.nabgol-control-surface.is-busy .nabgol-cs-output {
  outline: 1px dashed var(--cs-accent);
}

/* ========== DESKTOP: grid column — composer stays fully usable ========== */
@media (min-width: 768px) {
  body.desktop-chat.nabgol-control-surface-open:not(.nabgol-workspace-open) {
    --cs-rail-width: min(400px, 36vw);
    grid-template-columns: minmax(0, 1fr) var(--cs-rail-width) !important;
  }

  body.desktop-chat.nabgol-control-surface-open:not(.nabgol-workspace-open) .chat-main,
  body.desktop-chat.nabgol-control-surface-open:not(.nabgol-workspace-open) .chat-input,
  body.desktop-chat.nabgol-control-surface-open:not(.nabgol-workspace-open) .tts-player.tts-player-dock.show {
    grid-column: 1 / 2 !important;
  }

  body.desktop-chat #nabgolControlSurface.nabgol-control-surface.is-open {
    position: relative !important;
    inset: auto !important;
    top: auto !important;
    right: auto !important;
    bottom: auto !important;
    left: auto !important;
    width: 100% !important;
    max-width: none !important;
    height: auto !important;
    max-height: none !important;
    grid-column: 2 / 3 !important;
    grid-row: 2 / -1 !important;
    border-radius: 0 !important;
    border-left: 1px solid var(--cs-border);
    border-right: 0;
    box-shadow: -12px 0 36px rgba(0, 0, 0, 0.28);
    z-index: 5;
    transition: opacity 0.22s var(--cs-ease);
  }

  /* Prefer control surface over dossier when both requested */
  body.desktop-chat.nabgol-control-surface-open.nabgol-workspace-open {
    grid-template-columns: minmax(0, 1fr) var(--cs-rail-width) !important;
  }

  body.desktop-chat.nabgol-control-surface-open.nabgol-workspace-open #splitPanel.open,
  body.desktop-chat.nabgol-control-surface-open.nabgol-workspace-open #splitPanel.nabgol-workspace-v2.open {
    display: none !important;
  }

  body.desktop-chat.nabgol-control-surface-open.nabgol-workspace-open .chat-main,
  body.desktop-chat.nabgol-control-surface-open.nabgol-workspace-open .chat-input,
  body.desktop-chat.nabgol-control-surface-open.nabgol-workspace-open .tts-player.tts-player-dock.show {
    grid-column: 1 / 2 !important;
  }

  body.desktop-chat .nabgol-cs-dock {
    bottom: 24px;
  }
}

/* ========== MOBILE: sheet above composer — never covers input ========== */
body.mobile-chat #nabgolControlSurface.nabgol-control-surface.is-open {
  position: fixed !important;
  left: 0;
  right: 0;
  top: auto !important;
  bottom: calc(var(--cs-composer-offset) + env(safe-area-inset-bottom, 0px)) !important;
  width: 100%;
  max-height: var(--cs-sheet-max);
  height: auto;
  border-radius: 16px 16px 0 0;
  border-bottom: 0;
  box-shadow: 0 -16px 40px rgba(0, 0, 0, 0.35);
  z-index: 34;
}

body.mobile-chat.nabgol-control-surface-open.nabgol-cs-expanded {
  --cs-sheet-max: min(72dvh, 680px);
}

body.mobile-chat .nabgol-cs-handle {
  display: block;
}

body.mobile-chat.nabgol-control-surface-open .chat-messages {
  padding-bottom: calc(var(--cs-sheet-max) + 12px) !important;
}

body.mobile-chat.nabgol-control-surface-open .chat-input {
  z-index: 40 !important;
  position: relative;
  background: var(--tg-composer, var(--cs-bg, #0b1220));
}

/* Soft dim behind sheet, pointer-events none so chat chrome stays usable */
body.mobile-chat.nabgol-control-surface-open::after {
  content: '';
  position: fixed;
  inset: 0 0 calc(var(--cs-composer-offset) + env(safe-area-inset-bottom, 0px)) 0;
  background: rgba(2, 6, 23, 0.28);
  z-index: 28;
  pointer-events: none;
}