/**
 * Material Design 3 (M3) Component Structures & Tokens
 * Colored strictly using Catppuccin Mocha tokens
 */

:root {
  /* M3 Shape Tokens */
  --m3-shape-none: 0px;
  --m3-shape-xs: 4px;
  --m3-shape-sm: 8px;
  --m3-shape-md: 12px;
  --m3-shape-lg: 16px;
  --m3-shape-xl: 24px;
  --m3-shape-2xl: 28px;
  --m3-shape-full: 9999px;

  /* M3 Motion & Easing Curves */
  --m3-easing-emphasized: cubic-bezier(0.2, 0.0, 0, 1.0);
  --m3-easing-emphasized-decelerate: cubic-bezier(0.05, 0.7, 0.1, 1.0);
  --m3-easing-emphasized-accelerate: cubic-bezier(0.3, 0.0, 0.8, 0.15);
  --m3-easing-standard: cubic-bezier(0.4, 0.0, 0.2, 1);

  /* M3 Duration */
  --m3-dur-short: 150ms;
  --m3-dur-medium: 300ms;
  --m3-dur-long: 500ms;

  /* M3 Elevation Shadows (Tinted with Crust) */
  --m3-elevation-0: none;
  --m3-elevation-1: 0px 1px 3px 1px rgba(17, 17, 27, 0.4), 0px 1px 2px 0px rgba(17, 17, 27, 0.6);
  --m3-elevation-2: 0px 2px 6px 2px rgba(17, 17, 27, 0.45), 0px 1px 2px 0px rgba(17, 17, 27, 0.6);
  --m3-elevation-3: 0px 4px 10px 3px rgba(17, 17, 27, 0.5), 0px 1px 3px 0px rgba(17, 17, 27, 0.65);
  --m3-elevation-4: 0px 6px 14px 4px rgba(17, 17, 27, 0.55), 0px 2px 4px 0px rgba(17, 17, 27, 0.7);
  --m3-elevation-5: 0px 8px 18px 6px rgba(17, 17, 27, 0.6), 0px 4px 6px 0px rgba(17, 17, 27, 0.75);

  /* State Layer Opacities */
  --m3-state-hover: 0.08;
  --m3-state-focus: 0.12;
  --m3-state-pressed: 0.16;
}

/* ============================================================
   M3 Ripple System
   ============================================================ */
.m3-ripple-container {
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

.m3-ripple {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  background-color: currentColor;
  opacity: 0.28;
  transform: scale(0);
  animation: m3-ripple-animation 550ms var(--m3-easing-emphasized) forwards;
}

@keyframes m3-ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ============================================================
   M3 Button Components
   ============================================================ */
.m3-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--m3-shape-full);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  outline: none;
  position: relative;
  user-select: none;
  transition: transform var(--m3-dur-short) var(--m3-easing-standard),
              box-shadow var(--m3-dur-short) var(--m3-easing-standard),
              background-color var(--m3-dur-short) var(--m3-easing-standard),
              color var(--m3-dur-short) var(--m3-easing-standard);
}

.m3-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Filled Button (Primary M3 CTA) */
.m3-btn-filled {
  background-color: var(--ctp-mauve);
  color: var(--ctp-crust);
  box-shadow: var(--m3-elevation-1);
}

.m3-btn-filled:hover {
  background-color: #85def0;
  box-shadow: var(--m3-elevation-2);
  transform: translateY(-1px);
}

.m3-btn-filled:active {
  box-shadow: var(--m3-elevation-1);
  transform: translateY(1px);
}

/* Tonal Button */
.m3-btn-tonal {
  background-color: var(--md-sys-color-primary-container);
  color: var(--ctp-mauve);
}

.m3-btn-tonal:hover {
  background-color: rgba(74, 205, 230, 0.25);
  transform: translateY(-1px);
}

/* Outlined Button */
.m3-btn-outlined {
  background-color: transparent;
  color: var(--ctp-text);
  border: 1px solid var(--ctp-surface2);
}

.m3-btn-outlined:hover {
  background-color: rgba(205, 214, 244, 0.08);
  border-color: var(--ctp-mauve);
  color: var(--ctp-mauve);
}

/* Text Button */
.m3-btn-text {
  background-color: transparent;
  color: var(--ctp-mauve);
  padding: 0 16px;
}

.m3-btn-text:hover {
  background-color: rgba(74, 205, 230, 0.1);
}

/* ============================================================
   M3 Floating Action Buttons (FAB)
   ============================================================ */
.m3-fab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-radius: var(--m3-shape-xl);
  border: none;
  cursor: pointer;
  box-shadow: var(--m3-elevation-3);
  transition: transform var(--m3-dur-medium) var(--m3-easing-emphasized),
              box-shadow var(--m3-dur-medium) var(--m3-easing-emphasized),
              background-color var(--m3-dur-short) ease;
  user-select: none;
  text-decoration: none;
}

.m3-fab:hover {
  box-shadow: var(--m3-elevation-4);
  transform: translateY(-2px) scale(1.02);
}

.m3-fab:active {
  box-shadow: var(--m3-elevation-2);
  transform: translateY(1px) scale(0.98);
}

.m3-extended-fab {
  height: 56px;
  padding: 0 22px;
  background-color: var(--ctp-surface0);
  border: 1px solid var(--ctp-surface1);
  color: var(--ctp-text);
  font-weight: 600;
  font-size: 0.95rem;
}

.m3-fab-primary {
  background-color: var(--ctp-mauve);
  color: var(--ctp-crust);
}

/* ============================================================
   M3 Cards (Elevated & Surface)
   ============================================================ */
.m3-card {
  background-color: var(--ctp-surface0);
  border-radius: var(--m3-shape-2xl);
  border: 1px solid rgba(88, 91, 112, 0.35);
  box-shadow: var(--m3-elevation-1);
  transition: transform var(--m3-dur-medium) var(--m3-easing-emphasized),
              box-shadow var(--m3-dur-medium) var(--m3-easing-emphasized),
              border-color var(--m3-dur-medium) var(--m3-easing-emphasized);
}

.m3-card-elevated:hover {
  transform: translateY(-3px);
  box-shadow: var(--m3-elevation-3);
  border-color: rgba(74, 205, 230, 0.4);
}

/* ============================================================
   M3 Chips
   ============================================================ */
.m3-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 16px;
  border-radius: var(--m3-shape-sm);
  background-color: var(--ctp-surface0);
  border: 1px solid var(--ctp-surface1);
  color: var(--ctp-subtext1);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: all var(--m3-dur-short) var(--m3-easing-standard);
}

.m3-chip:hover {
  background-color: var(--ctp-surface1);
  color: var(--ctp-text);
  border-color: var(--ctp-surface2);
}

.m3-chip.active {
  background-color: var(--ctp-mauve);
  color: var(--ctp-crust);
  border-color: var(--ctp-mauve);
  font-weight: 600;
  box-shadow: var(--m3-elevation-1);
}

/* ============================================================
   M3 Search Bar
   ============================================================ */
.m3-search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 56px;
  padding: 0 20px;
  background-color: var(--ctp-surface0);
  border: 1px solid var(--ctp-surface1);
  border-radius: var(--m3-shape-2xl);
  box-shadow: var(--m3-elevation-1);
  transition: box-shadow var(--m3-dur-short) var(--m3-easing-standard),
              border-color var(--m3-dur-short) var(--m3-easing-standard);
}

.m3-search-bar:focus-within {
  border-color: var(--ctp-mauve);
  box-shadow: var(--m3-elevation-2), 0 0 0 1px var(--ctp-mauve);
}

.m3-search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ctp-text);
  font-size: 1rem;
  font-family: inherit;
}

.m3-search-bar input::placeholder {
  color: var(--ctp-overlay0);
}

/* ============================================================
   M3 Badges
   ============================================================ */
.m3-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--m3-shape-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.m3-badge-mauve {
  background: rgba(74, 205, 230, 0.15);
  color: var(--ctp-mauve);
}

.m3-badge-sapphire {
  background: rgba(116, 199, 236, 0.15);
  color: var(--ctp-sapphire);
}

.m3-badge-green {
  background: rgba(166, 227, 161, 0.15);
  color: var(--ctp-green);
}

.m3-badge-peach {
  background: rgba(250, 179, 135, 0.15);
  color: var(--ctp-peach);
}

.m3-badge-lavender {
  background: rgba(180, 190, 254, 0.15);
  color: var(--ctp-lavender);
}

.m3-badge-red {
  background: rgba(243, 139, 168, 0.15);
  color: var(--ctp-red);
}

/* ============================================================
   M3 Toast / Snackbar
   ============================================================ */
.m3-snackbar {
  position: fixed;
  bottom: 84px;
  left: 50%;
  transform: translateX(-50%) translateY(40px) scale(0.9);
  opacity: 0;
  visibility: hidden;
  background-color: var(--ctp-crust);
  border: 1px solid var(--ctp-surface1);
  color: var(--ctp-text);
  padding: 12px 24px;
  border-radius: var(--m3-shape-full);
  box-shadow: var(--m3-elevation-4);
  font-size: 0.92rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
  transition: all var(--m3-dur-medium) var(--m3-easing-emphasized);
  pointer-events: none;
}

.m3-snackbar.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}