/* ========================================
   Cortex Preview — Overlay style with settings, tabs, file view
   Mirrors real CortexOverlay + CortexUpdateIndicator
   ======================================== */

.cortex-preview {
  width: 100%;
  max-width: 480px;
  min-width: 0;
  height: 420px;
  margin: 0 auto;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(30, 32, 40, 0.85);
  -webkit-backdrop-filter: blur(25px);
  backdrop-filter: blur(25px);
  box-shadow:
    0 12px 48px rgba(0, 0, 0, 0.2),
    0 2px 12px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* ── Settings bar — toggle + frequency ── */
.cortex-preview__settings {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(35, 38, 48, 0.55);
}

.cortex-preview__toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.cortex-preview__toggle-track {
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  position: relative;
  cursor: default;
  transition: background 0.25s ease;
}

.cortex-preview__toggle-track--on {
  background: rgba(102, 126, 234, 0.5);
}

.cortex-preview__toggle-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.25s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.cortex-preview__toggle-track--on .cortex-preview__toggle-thumb {
  transform: translateX(16px);
}

.cortex-preview__toggle-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
}

.cortex-preview__frequency {
  display: flex;
  gap: 0.35rem;
}

.cortex-preview__freq-btn {
  padding: 0.3rem 0.75rem;
  border-radius: 14px;
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.cortex-preview__freq-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
}

.cortex-preview__freq-btn--active {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.25), rgba(118, 75, 162, 0.25));
  border-color: rgba(102, 126, 234, 0.3);
  color: #a5b4fc;
}

/* ── Tabs ── */
.cortex-preview__tabs {
  display: flex;
  padding: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cortex-preview__tab {
  padding: 0.7rem 1.2rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  position: relative;
  transition: color 0.25s ease, background 0.25s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: none;
  font-family: inherit;
}

.cortex-preview__tab:hover {
  color: rgba(255, 255, 255, 0.7);
}

.cortex-preview__tab--active {
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.1);
}

.cortex-preview__tab--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  border-radius: 2px;
  background: #667eea;
  box-shadow: 0 0 8px rgba(102, 126, 234, 0.3);
}

.cortex-preview__tab-icon {
  display: flex;
  align-items: center;
}

.cortex-preview__tab-icon svg {
  opacity: 0.7;
}

.cortex-preview__tab--active .cortex-preview__tab-icon svg {
  opacity: 1;
  stroke: #a5b4fc;
}

/* ── Content wrapper ── */
.cortex-preview__content {
  position: relative;
  flex: 1;
  min-height: 0;
}

/* ── Panels ── */
.cortex-preview__panel {
  min-height: 0;
  height: 100%;
  padding: 1rem 1.4rem;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  inset: 0;
  transition: opacity 0.35s ease, transform 0.35s ease;
  transform: translateY(8px);
}

.cortex-preview__panel--active {
  opacity: 1;
  pointer-events: auto;
  position: relative;
  transform: translateY(0);
}

.cortex-preview__perspective {
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.25);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

/* File view — monospace, like reading a text file */
.cortex-preview__file {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.78rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  max-height: 240px;
  overflow: hidden;
  white-space: pre-wrap;
  word-break: break-word;
}

.cortex-preview__file-line {
  display: block;
  padding: 0.15rem 0;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.cortex-preview__file-line--visible {
  opacity: 1;
  transform: translateX(0);
}

.cortex-preview__file-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: #a5b4fc;
  margin-left: 1px;
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

/* ── Status Bar ── */
.cortex-preview__status {
  padding: 0.5rem 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cortex-preview__char-count {
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.3);
  font-variant-numeric: tabular-nums;
  font-family: 'JetBrains Mono', monospace;
}

.cortex-preview__status-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.62rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.3);
}

.cortex-preview__status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 4px rgba(34, 197, 94, 0.4);
}

/* ── CortexUpdateIndicator — pill at bottom ── */
.cortex-preview__indicator {
  position: absolute;
  bottom: 42px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(45, 48, 58, 0.85);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(120, 90, 220, 0.25);
  border-radius: 20px;
  padding: 0.3rem 0.85rem;
  z-index: 10;
}

.cortex-preview__indicator-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(120, 90, 220, 0.8);
  animation: cortexPulse 1.5s infinite;
}

.cortex-preview__indicator-text {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}

/* ── Animations ── */
@keyframes blink {
  50% { opacity: 0; }
}

@keyframes cortexPulse {
  0%, 100% { opacity: 0.6; box-shadow: 0 0 0 0 rgba(120, 90, 220, 0.4); }
  50% { opacity: 1; box-shadow: 0 0 8px 2px rgba(120, 90, 220, 0.3); }
}

/* ── Light Mode ── */
:root[data-theme="light"] .cortex-preview {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow:
    0 12px 48px rgba(0, 0, 0, 0.08),
    0 2px 12px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

:root[data-theme="light"] .cortex-preview__settings {
  background: rgba(245, 247, 250, 0.7);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

:root[data-theme="light"] .cortex-preview__toggle-track {
  background: rgba(0, 0, 0, 0.1);
}

:root[data-theme="light"] .cortex-preview__toggle-track--on {
  background: rgba(79, 120, 230, 0.45);
}

:root[data-theme="light"] .cortex-preview__toggle-label {
  color: rgba(58, 58, 74, 0.6);
}

:root[data-theme="light"] .cortex-preview__freq-btn {
  color: rgba(58, 58, 74, 0.5);
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.1);
}

:root[data-theme="light"] .cortex-preview__freq-btn:hover {
  background: rgba(0, 0, 0, 0.06);
  color: rgba(58, 58, 74, 0.7);
}

:root[data-theme="light"] .cortex-preview__freq-btn--active {
  background: linear-gradient(135deg, rgba(79, 120, 230, 0.12), rgba(118, 75, 162, 0.12));
  border-color: rgba(79, 120, 230, 0.3);
  color: #4f46e5;
}

:root[data-theme="light"] .cortex-preview__tabs {
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

:root[data-theme="light"] .cortex-preview__tab {
  color: rgba(58, 58, 74, 0.5);
}

:root[data-theme="light"] .cortex-preview__tab:hover {
  color: rgba(58, 58, 74, 0.75);
}

:root[data-theme="light"] .cortex-preview__tab--active {
  color: #4f46e5;
  background: rgba(79, 120, 230, 0.06);
}

:root[data-theme="light"] .cortex-preview__tab--active .cortex-preview__tab-icon svg {
  stroke: #4f46e5;
}

:root[data-theme="light"] .cortex-preview__perspective {
  color: rgba(58, 58, 74, 0.35);
  border-bottom-color: rgba(0, 0, 0, 0.04);
}

:root[data-theme="light"] .cortex-preview__file {
  color: rgba(26, 26, 46, 0.8);
}

:root[data-theme="light"] .cortex-preview__file-cursor {
  background: #4f46e5;
}

:root[data-theme="light"] .cortex-preview__status {
  border-top-color: rgba(0, 0, 0, 0.06);
}

:root[data-theme="light"] .cortex-preview__char-count {
  color: rgba(58, 58, 74, 0.4);
}

:root[data-theme="light"] .cortex-preview__status-badge {
  color: rgba(58, 58, 74, 0.4);
}

:root[data-theme="light"] .cortex-preview__indicator {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(120, 90, 220, 0.2);
}

:root[data-theme="light"] .cortex-preview__indicator-text {
  color: rgba(58, 58, 74, 0.6);
}

@media (max-width: 600px) {
  .cortex-preview__panel { min-height: 220px; }
  .cortex-preview__settings { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
}