/* ==========================================================================
   Material 3 Expressive Component Styles
   Video Production Manager

   All components are built from the design tokens defined in m3-tokens.css.
   Components use M3 Expressive emphasized easing for a spring-like,
   playful interaction feel.
   ========================================================================== */

/* ==========================================================================
   Ripple Effect Base
   Used by interactive components via ::after pseudo-element
   ========================================================================== */

@keyframes md-ripple {
  from {
    transform: scale(0);
    opacity: 1;
  }
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

/* Shared button base */
.md-button-filled,
.md-button-outlined,
.md-button-text,
.md-button-tonal {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 24px;
  border: none;
  border-radius: var(--md-sys-shape-corner-full);
  cursor: pointer;
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  line-height: var(--md-sys-typescale-label-large-line-height);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  transition:
    background-color var(--md-sys-motion-transition-standard),
    box-shadow var(--md-sys-motion-transition-standard),
    transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-expressive);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

/* Ripple pseudo-element for all buttons */
.md-button-filled::after,
.md-button-outlined::after,
.md-button-text::after,
.md-button-tonal::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%),
    currentColor 0%, transparent 70%);
  opacity: 0;
  transform: scale(0);
  pointer-events: none;
}

.md-button-filled:active::after,
.md-button-outlined:active::after,
.md-button-text:active::after,
.md-button-tonal:active::after {
  opacity: var(--md-sys-state-pressed-opacity);
  transform: scale(4);
  transition: transform 0.5s var(--md-sys-motion-easing-standard), opacity 0.1s;
}

/* Filled button */
.md-button-filled {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  box-shadow: var(--md-sys-elevation-level0);
}

.md-button-filled:hover {
  box-shadow: var(--md-sys-elevation-level1);
  background-image: linear-gradient(
    rgba(255, 255, 255, var(--md-sys-state-hover-opacity)),
    rgba(255, 255, 255, var(--md-sys-state-hover-opacity))
  );
}

.md-button-filled:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
  background-image: linear-gradient(
    rgba(255, 255, 255, var(--md-sys-state-focus-opacity)),
    rgba(255, 255, 255, var(--md-sys-state-focus-opacity))
  );
}

.md-button-filled:active {
  transform: scale(0.97);
  box-shadow: var(--md-sys-elevation-level0);
}

.md-button-filled:disabled {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 12%, transparent);
  color: color-mix(in srgb, var(--md-sys-color-on-surface) 38%, transparent);
  box-shadow: none;
  cursor: not-allowed;
}

/* Outlined button */
.md-button-outlined {
  background-color: transparent;
  color: var(--md-sys-color-primary);
  border: 1px solid var(--md-sys-color-outline);
}

.md-button-outlined:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent);
}

.md-button-outlined:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
  background-color: color-mix(in srgb, var(--md-sys-color-primary) 12%, transparent);
}

.md-button-outlined:active {
  transform: scale(0.97);
  background-color: color-mix(in srgb, var(--md-sys-color-primary) 12%, transparent);
}

.md-button-outlined:disabled {
  color: color-mix(in srgb, var(--md-sys-color-on-surface) 38%, transparent);
  border-color: color-mix(in srgb, var(--md-sys-color-on-surface) 12%, transparent);
  cursor: not-allowed;
}

/* Text button */
.md-button-text {
  background-color: transparent;
  color: var(--md-sys-color-primary);
  padding: 0 12px;
}

.md-button-text:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent);
}

.md-button-text:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
  background-color: color-mix(in srgb, var(--md-sys-color-primary) 12%, transparent);
}

.md-button-text:active {
  transform: scale(0.97);
  background-color: color-mix(in srgb, var(--md-sys-color-primary) 12%, transparent);
}

.md-button-text:disabled {
  color: color-mix(in srgb, var(--md-sys-color-on-surface) 38%, transparent);
  cursor: not-allowed;
  pointer-events: none;
}

/* Tonal button (filled tonal) */
.md-button-tonal {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.md-button-tonal:hover {
  box-shadow: var(--md-sys-elevation-level1);
  background-image: linear-gradient(
    color-mix(in srgb, var(--md-sys-color-on-secondary-container) 8%, transparent),
    color-mix(in srgb, var(--md-sys-color-on-secondary-container) 8%, transparent)
  );
}

.md-button-tonal:focus-visible {
  outline: 2px solid var(--md-sys-color-secondary);
  outline-offset: 2px;
}

.md-button-tonal:active {
  transform: scale(0.97);
  box-shadow: var(--md-sys-elevation-level0);
}

.md-button-tonal:disabled {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 12%, transparent);
  color: color-mix(in srgb, var(--md-sys-color-on-surface) 38%, transparent);
  box-shadow: none;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button with icon */
.md-button-filled .md-icon,
.md-button-outlined .md-icon,
.md-button-text .md-icon,
.md-button-tonal .md-icon {
  font-size: 18px;
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   ICON BUTTON
   ========================================================================== */

.md-icon-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: var(--md-sys-shape-corner-full);
  background-color: transparent;
  color: var(--md-sys-color-on-surface-variant);
  cursor: pointer;
  overflow: hidden;
  transition:
    background-color var(--md-sys-motion-transition-standard),
    transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-expressive);
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.md-icon-button:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface-variant) 8%, transparent);
}

.md-icon-button:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface-variant) 12%, transparent);
}

.md-icon-button:active {
  transform: scale(0.90);
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface-variant) 12%, transparent);
}

.md-icon-button::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at center, currentColor 0%, transparent 70%);
  opacity: 0;
  transform: scale(0);
  pointer-events: none;
}

.md-icon-button:active::after {
  opacity: var(--md-sys-state-pressed-opacity);
  transform: scale(2.5);
  transition: transform 0.4s var(--md-sys-motion-easing-standard), opacity 0.1s;
}

.md-icon-button:disabled {
  color: color-mix(in srgb, var(--md-sys-color-on-surface) 38%, transparent);
  cursor: not-allowed;
  pointer-events: none;
}

/* Filled icon button variant */
.md-icon-button.filled {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.md-icon-button.filled:hover {
  background-color: var(--md-sys-color-primary);
  background-image: linear-gradient(
    rgba(255, 255, 255, var(--md-sys-state-hover-opacity)),
    rgba(255, 255, 255, var(--md-sys-state-hover-opacity))
  );
}

/* ==========================================================================
   FLOATING ACTION BUTTON (FAB)
   ========================================================================== */

.md-fab {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: none;
  border-radius: var(--md-sys-shape-corner-large);
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  box-shadow: var(--md-sys-elevation-level3);
  cursor: pointer;
  overflow: hidden;
  transition:
    box-shadow var(--md-sys-motion-transition-standard),
    transform var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-expressive);
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.md-fab:hover {
  box-shadow: var(--md-sys-elevation-level4);
  background-image: linear-gradient(
    color-mix(in srgb, var(--md-sys-color-on-primary-container) 8%, transparent),
    color-mix(in srgb, var(--md-sys-color-on-primary-container) 8%, transparent)
  );
}

.md-fab:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

.md-fab:active {
  transform: scale(0.94);
  box-shadow: var(--md-sys-elevation-level3);
}

.md-fab::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at center, currentColor 0%, transparent 70%);
  opacity: 0;
  transform: scale(0);
  pointer-events: none;
}

.md-fab:active::after {
  opacity: var(--md-sys-state-pressed-opacity);
  transform: scale(3);
  transition: transform 0.5s var(--md-sys-motion-easing-standard), opacity 0.1s;
}

.md-fab .md-icon {
  font-size: 24px;
}

/* Extended FAB */
.md-fab-extended {
  composes: md-fab;
  width: auto;
  height: 56px;
  padding: 0 16px;
  border-radius: var(--md-sys-shape-corner-large);
  gap: 12px;
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
}

/* Re-declare extended FAB without composes for compatibility */
.md-fab-extended {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: 56px;
  padding: 0 16px;
  border: none;
  border-radius: var(--md-sys-shape-corner-large);
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  box-shadow: var(--md-sys-elevation-level3);
  cursor: pointer;
  overflow: hidden;
  gap: 12px;
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  line-height: var(--md-sys-typescale-label-large-line-height);
  text-decoration: none;
  white-space: nowrap;
  transition:
    box-shadow var(--md-sys-motion-transition-standard),
    transform var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-expressive);
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.md-fab-extended:hover {
  box-shadow: var(--md-sys-elevation-level4);
  background-image: linear-gradient(
    color-mix(in srgb, var(--md-sys-color-on-primary-container) 8%, transparent),
    color-mix(in srgb, var(--md-sys-color-on-primary-container) 8%, transparent)
  );
}

.md-fab-extended:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

.md-fab-extended:active {
  transform: scale(0.97);
  box-shadow: var(--md-sys-elevation-level3);
}

.md-fab-extended::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at center, currentColor 0%, transparent 70%);
  opacity: 0;
  transform: scale(0);
  pointer-events: none;
}

.md-fab-extended:active::after {
  opacity: var(--md-sys-state-pressed-opacity);
  transform: scale(4);
  transition: transform 0.5s var(--md-sys-motion-easing-standard), opacity 0.1s;
}

/* Small FAB */
.md-fab.small {
  width: 40px;
  height: 40px;
  border-radius: var(--md-sys-shape-corner-medium);
}

/* Large FAB */
.md-fab.large {
  width: 96px;
  height: 96px;
  border-radius: var(--md-sys-shape-corner-extra-large);
}

.md-fab.large .md-icon {
  font-size: 36px;
}

/* ==========================================================================
   CARDS
   ========================================================================== */

/* Shared card base */
.md-card,
.md-card-elevated,
.md-card-filled,
.md-card-outlined {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--md-sys-shape-corner-medium);
  overflow: hidden;
  transition:
    box-shadow var(--md-sys-motion-transition-standard),
    transform var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-expressive),
    background-color var(--md-sys-motion-transition-standard);
}

/* Elevated card (default) */
.md-card,
.md-card-elevated {
  background-color: var(--md-sys-color-surface-container-low);
  box-shadow: var(--md-sys-elevation-level1);
}

.md-card:hover,
.md-card-elevated:hover {
  box-shadow: var(--md-sys-elevation-level2);
}

/* Filled card */
.md-card-filled {
  background-color: var(--md-sys-color-surface-container-highest);
  box-shadow: var(--md-sys-elevation-level0);
}

.md-card-filled:hover {
  box-shadow: var(--md-sys-elevation-level1);
}

/* Outlined card */
.md-card-outlined {
  background-color: var(--md-sys-color-surface);
  box-shadow: var(--md-sys-elevation-level0);
  border: 1px solid var(--md-sys-color-outline-variant);
}

.md-card-outlined:hover {
  box-shadow: var(--md-sys-elevation-level1);
  border-color: var(--md-sys-color-outline);
}

/* Card interactive (clickable) */
.md-card[role="button"],
.md-card-elevated[role="button"],
.md-card-filled[role="button"],
.md-card-outlined[role="button"],
a.md-card,
a.md-card-elevated,
a.md-card-filled,
a.md-card-outlined {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.md-card[role="button"]:active,
.md-card-elevated[role="button"]:active,
.md-card-filled[role="button"]:active,
.md-card-outlined[role="button"]:active,
a.md-card:active,
a.md-card-elevated:active,
a.md-card-filled:active,
a.md-card-outlined:active {
  transform: scale(0.98);
}

/* Card content sections */
.md-card-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.md-card-header {
  padding: 16px 16px 0;
}

.md-card-content {
  padding: 16px;
  flex: 1;
}

.md-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
}

.md-card-actions.end {
  justify-content: flex-end;
}

/* ==========================================================================
   TEXT FIELD
   ========================================================================== */

.md-text-field {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.md-text-field .md-text-field-container {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 56px;
  background-color: var(--md-sys-color-surface-container-highest);
  border-radius: var(--md-sys-shape-corner-extra-small) var(--md-sys-shape-corner-extra-small) 0 0;
  padding: 8px 16px 0;
  border-bottom: 1px solid var(--md-sys-color-on-surface-variant);
  transition:
    border-color var(--md-sys-motion-transition-standard),
    background-color var(--md-sys-motion-transition-standard);
}

.md-text-field .md-text-field-container:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-surface-container-highest) 92%, var(--md-sys-color-on-surface));
  border-bottom-color: var(--md-sys-color-on-surface);
}

.md-text-field .md-text-field-container:focus-within {
  border-bottom: 2px solid var(--md-sys-color-primary);
  padding-bottom: 0; /* compensate for thicker border */
}

.md-text-field input,
.md-text-field textarea {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-body-large-size);
  line-height: var(--md-sys-typescale-body-large-line-height);
  color: var(--md-sys-color-on-surface);
  padding: 12px 0 8px;
  caret-color: var(--md-sys-color-primary);
}

.md-text-field textarea {
  resize: vertical;
  min-height: 80px;
}

.md-text-field input::placeholder,
.md-text-field textarea::placeholder {
  color: transparent;
}

/* Floating label */
.md-text-field label {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--md-sys-color-on-surface-variant);
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-body-large-size);
  pointer-events: none;
  transition:
    top var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized),
    transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized),
    font-size var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized),
    color var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
}

/* For textarea fields, adjust label position */
.md-text-field:has(textarea) label {
  top: 24px;
}

/* Label floats up when input is focused or has content */
.md-text-field input:focus + label,
.md-text-field input:not(:placeholder-shown) + label,
.md-text-field textarea:focus + label,
.md-text-field textarea:not(:placeholder-shown) + label,
.md-text-field .md-text-field-container.has-value label {
  top: 8px;
  transform: translateY(0);
  font-size: var(--md-sys-typescale-body-small-size);
}

.md-text-field input:focus + label,
.md-text-field textarea:focus + label {
  color: var(--md-sys-color-primary);
}

/* Supporting text */
.md-text-field .md-supporting-text {
  padding: 4px 16px 0;
  font-size: var(--md-sys-typescale-body-small-size);
  line-height: var(--md-sys-typescale-body-small-line-height);
  color: var(--md-sys-color-on-surface-variant);
}

/* Error state */
.md-text-field.error .md-text-field-container {
  border-bottom-color: var(--md-sys-color-error);
}

.md-text-field.error label {
  color: var(--md-sys-color-error);
}

.md-text-field.error .md-supporting-text {
  color: var(--md-sys-color-error);
}

/* Outlined text field variant */
.md-text-field.outlined .md-text-field-container {
  background-color: transparent;
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-extra-small);
  padding: 0 16px;
}

.md-text-field.outlined .md-text-field-container:hover {
  background-color: transparent;
  border-color: var(--md-sys-color-on-surface);
}

.md-text-field.outlined .md-text-field-container:focus-within {
  border: 2px solid var(--md-sys-color-primary);
  padding: 0 15px; /* compensate for thicker border */
}

.md-text-field.outlined label {
  background-color: var(--md-sys-color-surface);
  padding: 0 4px;
}

.md-text-field.outlined input:focus + label,
.md-text-field.outlined input:not(:placeholder-shown) + label,
.md-text-field.outlined textarea:focus + label,
.md-text-field.outlined textarea:not(:placeholder-shown) + label {
  top: 0;
  transform: translateY(-50%);
}

/* Leading/trailing icons in text field */
.md-text-field .leading-icon {
  margin-right: 12px;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 24px;
  flex-shrink: 0;
}

.md-text-field .trailing-icon {
  margin-left: 12px;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 24px;
  flex-shrink: 0;
  cursor: pointer;
}

/* ==========================================================================
   SELECT DROPDOWN
   ========================================================================== */

.md-select {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.md-select select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  min-height: 56px;
  padding: 20px 48px 8px 16px;
  border: none;
  border-bottom: 1px solid var(--md-sys-color-on-surface-variant);
  border-radius: var(--md-sys-shape-corner-extra-small) var(--md-sys-shape-corner-extra-small) 0 0;
  background-color: var(--md-sys-color-surface-container-highest);
  color: var(--md-sys-color-on-surface);
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-body-large-size);
  cursor: pointer;
  outline: none;
  transition:
    border-color var(--md-sys-motion-transition-standard),
    background-color var(--md-sys-motion-transition-standard);
}

.md-select select:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-surface-container-highest) 92%, var(--md-sys-color-on-surface));
  border-bottom-color: var(--md-sys-color-on-surface);
}

.md-select select:focus {
  border-bottom: 2px solid var(--md-sys-color-primary);
}

/* Custom dropdown arrow */
.md-select::after {
  content: '';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--md-sys-color-on-surface-variant);
  pointer-events: none;
  transition: transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
}

.md-select:focus-within::after {
  transform: translateY(-50%) rotate(180deg);
  border-top-color: var(--md-sys-color-primary);
}

.md-select label {
  position: absolute;
  top: 8px;
  left: 16px;
  font-size: var(--md-sys-typescale-body-small-size);
  line-height: var(--md-sys-typescale-body-small-line-height);
  color: var(--md-sys-color-on-surface-variant);
  pointer-events: none;
  transition: color var(--md-sys-motion-transition-standard);
}

.md-select:focus-within label {
  color: var(--md-sys-color-primary);
}

/* ==========================================================================
   TOP APP BAR
   ========================================================================== */

.md-top-app-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 4px;
  height: var(--md-sys-top-app-bar-height);
  padding: 0 4px;
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  transition: background-color var(--md-sys-motion-transition-standard),
    box-shadow var(--md-sys-motion-transition-standard);
}

/* Scrolled state - add elevation */
.md-top-app-bar.scrolled {
  background-color: var(--md-sys-color-surface-container);
  box-shadow: var(--md-sys-elevation-level2);
}

.md-top-app-bar .leading {
  display: flex;
  align-items: center;
  padding: 0 4px;
}

.md-top-app-bar .title {
  flex: 1;
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-title-large-size);
  line-height: var(--md-sys-typescale-title-large-line-height);
  font-weight: var(--md-sys-typescale-title-large-weight);
  padding: 0 16px;
  color: var(--md-sys-color-on-surface);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.md-top-app-bar .trailing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 4px;
}

/* ==========================================================================
   NAVIGATION RAIL
   ========================================================================== */

.md-navigation-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: var(--md-sys-navigation-rail-width);
  height: 100%;
  padding: 12px 0;
  background-color: var(--md-sys-color-surface);
  border-right: 1px solid var(--md-sys-color-surface-variant);
  gap: 12px;
  overflow-y: auto;
  flex-shrink: 0;
}

.md-navigation-rail .md-fab {
  margin-bottom: 12px;
}

.md-navigation-rail-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  padding: 0 12px;
  text-decoration: none;
  color: var(--md-sys-color-on-surface-variant);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.md-navigation-rail-item .icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 32px;
  border-radius: var(--md-sys-shape-corner-full);
  transition:
    background-color var(--md-sys-motion-transition-standard),
    transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-expressive);
}

.md-navigation-rail-item:hover .icon-container {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}

.md-navigation-rail-item:active .icon-container {
  transform: scale(0.92);
}

.md-navigation-rail-item .label {
  font-size: var(--md-sys-typescale-label-medium-size);
  font-weight: var(--md-sys-typescale-label-medium-weight);
  letter-spacing: var(--md-sys-typescale-label-medium-tracking);
  line-height: var(--md-sys-typescale-label-medium-line-height);
  text-align: center;
}

/* Active state */
.md-navigation-rail-item.active {
  color: var(--md-sys-color-on-secondary-container);
}

.md-navigation-rail-item.active .icon-container {
  background-color: var(--md-sys-color-secondary-container);
}

.md-navigation-rail-item.active .label {
  font-weight: 700;
}

/* ==========================================================================
   DIALOG
   ========================================================================== */

.md-dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: color-mix(in srgb, var(--md-sys-color-scrim) 32%, transparent);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--md-sys-motion-transition-entering),
    visibility var(--md-sys-motion-transition-entering);
}

.md-dialog-overlay.open {
  opacity: 1;
  visibility: visible;
}

.md-dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 280px;
  max-width: 560px;
  width: calc(100% - 48px);
  max-height: calc(100vh - 48px);
  padding: 24px;
  border-radius: var(--md-sys-shape-corner-extra-large);
  background-color: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
  box-shadow: var(--md-sys-elevation-level3);
  transform: scale(0.9) translateY(20px);
  opacity: 0;
  transition:
    transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized-decelerate),
    opacity var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-emphasized-decelerate);
}

.md-dialog-overlay.open .md-dialog {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.md-dialog .md-dialog-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--md-sys-color-secondary);
  font-size: 24px;
}

.md-dialog .md-dialog-title {
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-headline-small-size);
  line-height: var(--md-sys-typescale-headline-small-line-height);
  font-weight: var(--md-sys-typescale-headline-small-weight);
  color: var(--md-sys-color-on-surface);
  margin-bottom: 16px;
}

.md-dialog .md-dialog-content {
  flex: 1;
  overflow-y: auto;
  font-size: var(--md-sys-typescale-body-medium-size);
  line-height: var(--md-sys-typescale-body-medium-line-height);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 24px;
}

.md-dialog .md-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ==========================================================================
   SNACKBAR
   ========================================================================== */

.md-snackbar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 288px;
  max-width: 560px;
  padding: 0 8px 0 16px;
  min-height: 48px;
  border-radius: var(--md-sys-shape-corner-extra-small);
  background-color: var(--md-sys-color-inverse-surface);
  color: var(--md-sys-color-inverse-on-surface);
  box-shadow: var(--md-sys-elevation-level3);
  opacity: 0;
  transition:
    transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized-decelerate),
    opacity var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-emphasized-decelerate);
}

.md-snackbar.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.md-snackbar .md-snackbar-text {
  flex: 1;
  font-size: var(--md-sys-typescale-body-medium-size);
  line-height: var(--md-sys-typescale-body-medium-line-height);
  letter-spacing: var(--md-sys-typescale-body-medium-tracking);
  padding: 14px 0;
}

.md-snackbar .md-snackbar-action {
  color: var(--md-sys-color-inverse-primary);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  padding: 8px 12px;
  border-radius: var(--md-sys-shape-corner-extra-small);
  transition: background-color var(--md-sys-motion-transition-standard);
}

.md-snackbar .md-snackbar-action:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-inverse-primary) 8%, transparent);
}

.md-snackbar .md-snackbar-close {
  color: var(--md-sys-color-inverse-on-surface);
}

/* ==========================================================================
   CHIPS
   ========================================================================== */

.md-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 16px;
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-small);
  background-color: transparent;
  color: var(--md-sys-color-on-surface-variant);
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  cursor: pointer;
  transition:
    background-color var(--md-sys-motion-transition-standard),
    border-color var(--md-sys-motion-transition-standard),
    transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-expressive);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  white-space: nowrap;
}

.md-chip:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface-variant) 8%, transparent);
}

.md-chip:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

.md-chip:active {
  transform: scale(0.95);
}

/* Selected chip */
.md-chip-selected,
.md-chip.selected {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border-color: transparent;
}

.md-chip-selected:hover,
.md-chip.selected:hover {
  background-image: linear-gradient(
    color-mix(in srgb, var(--md-sys-color-on-secondary-container) 8%, transparent),
    color-mix(in srgb, var(--md-sys-color-on-secondary-container) 8%, transparent)
  );
}

/* Chip with leading icon */
.md-chip .md-chip-icon {
  font-size: 18px;
  margin-left: -4px;
}

/* Chip with close button */
.md-chip .md-chip-close {
  font-size: 18px;
  margin-right: -4px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard);
}

.md-chip .md-chip-close:hover {
  opacity: 1;
}

/* ==========================================================================
   PROGRESS - LINEAR
   ========================================================================== */

.md-progress-linear {
  position: relative;
  width: 100%;
  height: 4px;
  border-radius: var(--md-sys-shape-corner-full);
  background-color: var(--md-sys-color-surface-container-highest);
  overflow: hidden;
}

.md-progress-linear .md-progress-linear-indicator {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: var(--md-sys-color-primary);
  border-radius: var(--md-sys-shape-corner-full);
  transition: width var(--md-sys-motion-duration-medium4) var(--md-sys-motion-easing-emphasized);
}

/* Indeterminate progress */
@keyframes md-progress-indeterminate {
  0% {
    left: -35%;
    width: 35%;
  }
  60% {
    left: 100%;
    width: 35%;
  }
  100% {
    left: 100%;
    width: 35%;
  }
}

@keyframes md-progress-indeterminate-2 {
  0% {
    left: -200%;
    width: 200%;
  }
  60% {
    left: 107%;
    width: 10%;
  }
  100% {
    left: 107%;
    width: 10%;
  }
}

.md-progress-linear.indeterminate .md-progress-linear-indicator {
  width: 35%;
  animation: md-progress-indeterminate 2.1s cubic-bezier(0.65, 0.815, 0.735, 0.395) infinite;
}

.md-progress-linear.indeterminate::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: var(--md-sys-color-primary);
  border-radius: var(--md-sys-shape-corner-full);
  animation: md-progress-indeterminate-2 2.1s cubic-bezier(0.165, 0.84, 0.44, 1) 1.15s infinite;
}

/* ==========================================================================
   DIVIDER
   ========================================================================== */

.md-divider {
  width: 100%;
  height: 1px;
  background-color: var(--md-sys-color-outline-variant);
  border: none;
  margin: 0;
}

.md-divider.inset {
  margin-left: 16px;
  width: calc(100% - 16px);
}

/* ==========================================================================
   LIST
   ========================================================================== */

.md-list {
  display: flex;
  flex-direction: column;
  padding: 8px 0;
  list-style: none;
}

.md-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 56px;
  padding: 8px 24px 8px 16px;
  color: var(--md-sys-color-on-surface);
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--md-sys-motion-transition-standard);
  -webkit-tap-highlight-color: transparent;
}

.md-list-item:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}

.md-list-item:active {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 12%, transparent);
}

.md-list-item .leading {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--md-sys-color-on-surface-variant);
}

.md-list-item .md-list-item-content {
  flex: 1;
  min-width: 0;
}

.md-list-item .headline {
  font-size: var(--md-sys-typescale-body-large-size);
  line-height: var(--md-sys-typescale-body-large-line-height);
  font-weight: var(--md-sys-typescale-body-large-weight);
  color: var(--md-sys-color-on-surface);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.md-list-item .supporting-text {
  font-size: var(--md-sys-typescale-body-medium-size);
  line-height: var(--md-sys-typescale-body-medium-line-height);
  color: var(--md-sys-color-on-surface-variant);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.md-list-item .trailing {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--md-sys-typescale-label-small-size);
}

/* ==========================================================================
   BADGE
   ========================================================================== */

.md-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: var(--md-sys-shape-corner-full);
  background-color: var(--md-sys-color-error);
  color: var(--md-sys-color-on-error);
  font-size: var(--md-sys-typescale-label-small-size);
  font-weight: var(--md-sys-typescale-label-small-weight);
  line-height: 1;
}

/* Small dot badge (no number) */
.md-badge.dot {
  min-width: 6px;
  height: 6px;
  padding: 0;
}

/* Large badge */
.md-badge.large {
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  font-size: var(--md-sys-typescale-label-medium-size);
}

/* Badge positioning helper (parent should be position: relative) */
.md-badge-container {
  position: relative;
  display: inline-flex;
}

.md-badge-container .md-badge {
  position: absolute;
  top: -4px;
  right: -4px;
}

/* ==========================================================================
   SWITCH (Toggle)
   ========================================================================== */

.md-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 52px;
  height: 32px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.md-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.md-switch .md-switch-track {
  width: 52px;
  height: 32px;
  border-radius: var(--md-sys-shape-corner-full);
  background-color: var(--md-sys-color-surface-container-highest);
  border: 2px solid var(--md-sys-color-outline);
  transition:
    background-color var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized),
    border-color var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized);
}

.md-switch .md-switch-thumb {
  position: absolute;
  top: 50%;
  left: 8px;
  width: 16px;
  height: 16px;
  border-radius: var(--md-sys-shape-corner-full);
  background-color: var(--md-sys-color-outline);
  transform: translateY(-50%);
  transition:
    left var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-expressive),
    width var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized),
    height var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized),
    background-color var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized);
}

/* Hover state */
.md-switch:hover .md-switch-thumb {
  width: 20px;
  height: 20px;
  left: 6px;
}

/* Checked state */
.md-switch input:checked ~ .md-switch-track {
  background-color: var(--md-sys-color-primary);
  border-color: var(--md-sys-color-primary);
}

.md-switch input:checked ~ .md-switch-thumb {
  left: 28px;
  background-color: var(--md-sys-color-on-primary);
  width: 24px;
  height: 24px;
}

.md-switch:hover input:checked ~ .md-switch-thumb {
  width: 28px;
  height: 28px;
  left: 22px;
}

/* Focus visible */
.md-switch input:focus-visible ~ .md-switch-track {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

/* Disabled */
.md-switch input:disabled ~ .md-switch-track {
  background-color: color-mix(in srgb, var(--md-sys-color-surface-container-highest) 12%, transparent);
  border-color: color-mix(in srgb, var(--md-sys-color-on-surface) 12%, transparent);
}

.md-switch input:disabled ~ .md-switch-thumb {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 38%, transparent);
}

/* ==========================================================================
   SIDEBAR (Right sliding panel)
   ========================================================================== */

.md-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 500;
  width: 360px;
  max-width: 100vw;
  height: 100vh;
  background-color: var(--md-sys-color-surface-container);
  box-shadow: var(--md-sys-elevation-level3);
  transform: translateX(100%);
  transition: transform var(--md-sys-motion-duration-medium4) var(--md-sys-motion-easing-emphasized);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.md-sidebar.open {
  transform: translateX(0);
}

.md-sidebar-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  min-height: var(--md-sys-top-app-bar-height);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.md-sidebar-header .title {
  flex: 1;
  font-size: var(--md-sys-typescale-title-large-size);
  font-weight: var(--md-sys-typescale-title-large-weight);
  color: var(--md-sys-color-on-surface);
}

.md-sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.md-sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* Sidebar overlay (scrim) */
.md-sidebar-overlay {
  position: fixed;
  inset: 0;
  z-index: 499;
  background-color: color-mix(in srgb, var(--md-sys-color-scrim) 32%, transparent);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--md-sys-motion-transition-entering),
    visibility var(--md-sys-motion-transition-entering);
}

.md-sidebar-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   TOOLTIP
   ========================================================================== */

.md-tooltip {
  position: absolute;
  z-index: 3000;
  padding: 4px 8px;
  border-radius: var(--md-sys-shape-corner-extra-small);
  background-color: var(--md-sys-color-inverse-surface);
  color: var(--md-sys-color-inverse-on-surface);
  font-size: var(--md-sys-typescale-body-small-size);
  line-height: var(--md-sys-typescale-body-small-line-height);
  pointer-events: none;
  opacity: 0;
  transform: scale(0.9);
  transition:
    opacity var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized-decelerate),
    transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized-decelerate);
}

.md-tooltip.show {
  opacity: 1;
  transform: scale(1);
}

/* ==========================================================================
   TABLE
   ========================================================================== */

.md-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--md-sys-typescale-font-family);
}

.md-table thead {
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.md-table th {
  text-align: left;
  padding: 14px 16px;
  font-size: var(--md-sys-typescale-title-small-size);
  font-weight: var(--md-sys-typescale-title-small-weight);
  letter-spacing: var(--md-sys-typescale-title-small-tracking);
  color: var(--md-sys-color-on-surface-variant);
}

.md-table td {
  padding: 14px 16px;
  font-size: var(--md-sys-typescale-body-medium-size);
  line-height: var(--md-sys-typescale-body-medium-line-height);
  color: var(--md-sys-color-on-surface);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.md-table tbody tr {
  transition: background-color var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard);
}

.md-table tbody tr:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}

/* ==========================================================================
   STATUS INDICATORS (Custom for Video Production)
   ========================================================================== */

.md-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--md-sys-shape-corner-full);
  flex-shrink: 0;
}

.md-status-dot.recording {
  background-color: var(--md-sys-color-error);
  animation: pulse-recording 1.5s ease-in-out infinite;
}

.md-status-dot.processing {
  background-color: var(--md-sys-color-warning);
}

.md-status-dot.complete {
  background-color: var(--md-sys-color-success);
}

.md-status-dot.draft {
  background-color: var(--md-sys-color-outline);
}

@keyframes pulse-recording {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ==========================================================================
   SKELETON LOADING
   ========================================================================== */

@keyframes md-skeleton-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.md-skeleton {
  background: linear-gradient(
    90deg,
    var(--md-sys-color-surface-container) 25%,
    var(--md-sys-color-surface-container-high) 50%,
    var(--md-sys-color-surface-container) 75%
  );
  background-size: 200% 100%;
  animation: md-skeleton-shimmer 1.8s ease-in-out infinite;
  border-radius: var(--md-sys-shape-corner-small);
}

.md-skeleton.text {
  height: 16px;
  width: 100%;
  margin-bottom: 8px;
}

.md-skeleton.text.short {
  width: 60%;
}

.md-skeleton.circle {
  border-radius: var(--md-sys-shape-corner-full);
}

.md-skeleton.rect {
  border-radius: var(--md-sys-shape-corner-medium);
}

/* ==========================================================================
   UTILITY: ELEVATION CLASSES
   ========================================================================== */

.elevation-0 { box-shadow: var(--md-sys-elevation-level0); }
.elevation-1 { box-shadow: var(--md-sys-elevation-level1); }
.elevation-2 { box-shadow: var(--md-sys-elevation-level2); }
.elevation-3 { box-shadow: var(--md-sys-elevation-level3); }
.elevation-4 { box-shadow: var(--md-sys-elevation-level4); }
.elevation-5 { box-shadow: var(--md-sys-elevation-level5); }

/* ==========================================================================
   UTILITY: COLOR SURFACES
   ========================================================================== */

.surface { background-color: var(--md-sys-color-surface); }
.surface-dim { background-color: var(--md-sys-color-surface-dim); }
.surface-bright { background-color: var(--md-sys-color-surface-bright); }
.surface-container-lowest { background-color: var(--md-sys-color-surface-container-lowest); }
.surface-container-low { background-color: var(--md-sys-color-surface-container-low); }
.surface-container { background-color: var(--md-sys-color-surface-container); }
.surface-container-high { background-color: var(--md-sys-color-surface-container-high); }
.surface-container-highest { background-color: var(--md-sys-color-surface-container-highest); }