/**
 * Ancely Workspace Layout System
 *
 * Split-panel layout where conversation is the primary interface
 * and context panels display visual outputs.
 *
 * Breakpoints:
 *   >= 1024px: Side-by-side (55% conversation | 45% context)
 *   768-1023px: Full conversation + pull-up context drawer
 *   < 768px: Full-screen conversation, swipe for context
 */

/* ─── Workspace Container ────────────────────────────────────── */

.ancely-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh; /* Dynamic viewport height for mobile browser chrome */
  overflow: hidden;
}

.ancely-app > header {
  flex-shrink: 0;
}

.ancely-workspace {
  display: grid;
  grid-template-columns: 55fr 45fr;
  flex: 1;
  min-height: 0; /* Allow children to scroll */
  overflow: hidden;
}

/* ─── Conversation Panel (Left/Primary) ──────────────────────── */

.conversation-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--panel-conversation-bg);
  border-right: 1px solid var(--color-border);
  overflow: hidden;
}

.conversation-scroll {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--spacing-lg) var(--spacing-xl);
  scroll-behavior: smooth;
}

.conversation-messages {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 640px;
  margin: 0 auto;
}

/* ─── Input Bar (Bottom of Conversation) ─────────────────────── */

.conversation-input-bar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.conversation-input-bar .mic-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--color-ancely-accent);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-message), transform 0.1s ease;
}

.conversation-input-bar .mic-btn:hover {
  background: var(--color-primary-dark);
}

.conversation-input-bar .mic-btn:active {
  transform: scale(0.95);
}

.conversation-input-bar .mic-btn[data-state="listening"] {
  background: var(--color-error);
  animation: pulse-mic 1.5s ease-in-out infinite;
}

.conversation-input-bar .mic-btn[data-state="processing"] {
  background: var(--color-warning);
}

@keyframes pulse-mic {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(239, 68, 68, 0); }
}

.conversation-input-bar .text-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  outline: none;
  transition: border-color 0.2s;
}

.conversation-input-bar .text-input:focus {
  border-color: var(--color-ancely-accent);
}

.conversation-input-bar .send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--color-ancely-accent);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, opacity 0.2s;
}

.conversation-input-bar .send-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.conversation-input-bar .control-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}

.conversation-input-bar .control-btn:hover {
  background: var(--color-bg-light);
  color: var(--color-text);
}

/* ─── Connection Status Bar ──────────────────────────────────── */

.connection-status {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-xl);
  font-size: 12px;
  color: var(--color-text-light);
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}

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

.connection-status .status-dot[data-state="connected"] {
  background: var(--color-success);
}

.connection-status .status-dot[data-state="connecting"] {
  background: var(--color-warning);
  animation: blink 1s ease-in-out infinite;
}

.connection-status .status-dot[data-state="disconnected"] {
  background: var(--color-text-light);
}

.connection-status .status-dot[data-state="error"] {
  background: var(--color-error);
}

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

/* ─── Context Panel (Right/Secondary) ────────────────────────── */

.context-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--panel-context-bg);
  min-width: 0;
}

/* ─── Context Cards ──────────────────────────────────────────── */

.context-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: box-shadow var(--transition-card-highlight),
              border-color var(--transition-card-highlight);
}

.context-card h2 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.context-card[data-state="updating"] {
  border-color: var(--color-ancely-accent);
  box-shadow: 0 0 0 2px var(--color-ancely-accent-light);
}

.context-card[data-state="highlighted"] {
  animation: card-pulse var(--transition-card-highlight) ease-out;
}

@keyframes card-pulse {
  0% { box-shadow: 0 0 0 0 rgba(85, 104, 211, 0.3); }
  50% { box-shadow: 0 0 0 6px rgba(85, 104, 211, 0.1); }
  100% { box-shadow: 0 0 0 0 rgba(85, 104, 211, 0); }
}

/* ─── Context Drawer (Tablet/Mobile) ─────────────────────────── */

.context-drawer {
  display: none;
}

.context-drawer-handle {
  display: none;
}

/* ─── Workspace Navigation ───────────────────────────────────── */

.workspace-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.workspace-nav .logo {
  font-size: var(--font-size-lg);
}

.workspace-nav .nav-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.workspace-nav .nav-links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  transition: color 0.2s;
}

.workspace-nav .nav-links a:hover,
.workspace-nav .nav-links a.active {
  color: var(--color-text);
}

.workspace-nav .nav-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

/* ─── Tablet Breakpoint (768-1023px) ─────────────────────────── */

@media (max-width: 1023px) {
  .ancely-workspace {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    position: relative;
  }

  .context-panel {
    display: none;
  }

  /* Context becomes a drawer that slides up from bottom */
  .context-drawer {
    display: flex;
    flex-direction: column;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 60vh;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(calc(100% - 44px));
    transition: transform var(--transition-panel);
    z-index: 100;
    overflow: hidden;
  }

  .context-drawer[data-state="open"] {
    transform: translateY(0);
  }

  .context-drawer-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
    cursor: pointer;
    flex-shrink: 0;
  }

  .context-drawer-handle::before {
    content: '';
    width: 40px;
    height: 4px;
    border-radius: 2px;
    background: var(--color-border);
  }

  .context-drawer-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    padding: 0 var(--spacing-md);
    flex-shrink: 0;
  }

  .context-drawer-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
  }

  .context-drawer-tab[aria-selected="true"] {
    color: var(--color-ancely-accent);
    border-bottom-color: var(--color-ancely-accent);
  }

  .context-drawer-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
  }

  .context-drawer-content > .context-card {
    display: none;
  }

  .context-drawer-content > .context-card[data-tab-active="true"] {
    display: block;
  }

  /* Toggle button in input bar */
  .context-toggle-btn {
    display: flex;
  }
}

/* ─── Mobile Breakpoint (<768px) ─────────────────────────────── */

@media (max-width: 767px) {
  .workspace-nav .nav-links {
    display: none;
  }

  .workspace-nav .nav-actions .nav-label {
    display: none;
  }

  .conversation-scroll {
    padding: var(--spacing-md);
  }

  .conversation-input-bar {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .conversation-input-bar .text-input {
    font-size: 16px; /* Prevents iOS zoom on input focus */
  }

  .context-drawer {
    max-height: 80vh;
  }
}

/* ─── Utility: Context Toggle (hidden on desktop) ────────────── */

.context-toggle-btn {
  display: none;
}

/* ─── Reduced Motion ─────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .context-drawer {
    transition: none;
  }

  .context-card[data-state="highlighted"] {
    animation: none;
    border-color: var(--color-ancely-accent);
  }

  .conversation-input-bar .mic-btn[data-state="listening"] {
    animation: none;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.3);
  }
}

/* ─── High Contrast ──────────────────────────────────────────── */

@media (prefers-contrast: more) {
  .context-card {
    border-width: 2px;
  }

  .connection-status .status-dot {
    width: 10px;
    height: 10px;
    border: 1px solid var(--color-text);
  }

  .conversation-input-bar .text-input {
    border-width: 2px;
  }
}