/**
 * Demo Widget CSS
 * Premium mini chat interface with Apple-level polish
 * 
 * Design principles:
 * - Glass morphism for modern depth
 * - Sophisticated shadows for elevation
 * - Micro-animations for life
 * - Emotion-responsive styling
 */

/* ============================================================================
   WIDGET CONTAINER
   ============================================================================ */

.demo-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  font-family: var(--font-body, 'Inter', sans-serif);
  opacity: 0;
  transform: scale(0.8) translateY(20px);
  transition: 
    opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  
  /* Subtle ambient animation when visible */
  --widget-ambient-y: 0px;
}

.demo-widget.is-visible {
  opacity: 1;
  transform: scale(1) translateY(var(--widget-ambient-y));
  pointer-events: auto;
  animation: widget-float 6s ease-in-out infinite;
}

/* Gentle floating animation - like Ferni is alive */
@keyframes widget-float {
  0%, 100% {
    --widget-ambient-y: 0px;
  }
  50% {
    --widget-ambient-y: -4px;
  }
}

/* ============================================================================
   TRIGGER BUTTON (The floating orb)
   ============================================================================ */

.demo-widget__trigger {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.demo-widget__trigger:hover {
  transform: scale(1.1);
}

.demo-widget__trigger:active {
  transform: scale(0.95);
}

.demo-widget__avatar {
  width: 100%;
  height: 100%;
  position: relative;
}

.demo-widget__avatar-glow {
  position: absolute;
  inset: -8px;
  background: radial-gradient(
    circle,
    rgba(74, 103, 65, 0.3) 0%,
    transparent 70%
  );
  border-radius: 50%;
  animation: widget-glow 3s ease-in-out infinite;
}

@keyframes widget-glow {
  0%, 100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

.demo-widget__avatar-orb {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    145deg,
    var(--color-ferni, var(--color-ferni)) 0%,
    var(--color-ferni-secondary) 100%
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-weight: 800;
  font-size: var(--text-xl);
  box-shadow: 
    0 4px 20px rgba(74, 103, 65, 0.4),
    inset 0 2px 10px rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 2;
}

/* ============================================================================
   PEEK MESSAGE (Pre-open teaser)
   ============================================================================ */

.demo-widget__peek {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%);
  background: white;
  padding: 10px 16px;
  border-radius: 16px 16px 4px 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%) translateX(10px);
  transition: 
    opacity 0.3s ease,
    transform 0.3s ease;
}

.demo-widget.is-peeking .demo-widget__peek {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.demo-widget__peek-text {
  font-size: var(--text-sm);
  color: var(--color-text-primary, var(--color-text-primary));
}

/* ============================================================================
   CHAT WINDOW - Glassmorphism Design
   ============================================================================ */

.demo-widget__chat {
  position: absolute;
  bottom: 76px;
  right: 0;
  width: 380px;
  max-width: calc(100vw - 48px);
  
  /* Premium glassmorphism */
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  
  border-radius: var(--radius-xl);
  
  /* Multi-layer shadow for depth */
  box-shadow: 
    /* Ambient shadow */
    0 25px 50px -12px rgba(0, 0, 0, 0.15),
    /* Closer shadow */
    0 8px 24px rgba(0, 0, 0, 0.08),
    /* Crisp edge */
    0 2px 4px rgba(0, 0, 0, 0.04),
    /* Inner light border */
    inset 0 0 0 1px rgba(255, 255, 255, 0.5),
    /* Subtle glow */
    0 0 80px rgba(74, 103, 65, 0.08);
  
  overflow: hidden;
  opacity: 0;
  transform: scale(0.92) translateY(16px);
  transform-origin: bottom right;
  transition: 
    opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.4s ease;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  max-height: 520px;
  
  /* Subtle border gradient */
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Enhanced glow when active */
.demo-widget__chat::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.8),
    transparent
  );
  z-index: 1;
}

.demo-widget.is-open .demo-widget__chat {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
  box-shadow: 
    0 30px 60px -15px rgba(0, 0, 0, 0.18),
    0 12px 32px rgba(0, 0, 0, 0.1),
    0 4px 8px rgba(0, 0, 0, 0.06),
    inset 0 0 0 1px rgba(255, 255, 255, 0.6),
    0 0 100px rgba(74, 103, 65, 0.12);
}

.demo-widget.is-open .demo-widget__trigger {
  opacity: 0.2;
  transform: scale(0.9);
  pointer-events: none;
}

/* ============================================================================
   CHAT HEADER
   ============================================================================ */

.demo-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  background: linear-gradient(
    180deg,
    rgba(74, 103, 65, 0.05) 0%,
    transparent 100%
  );
}

.demo-widget__header-avatar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.demo-widget__mini-orb {
  width: 36px;
  height: 36px;
  background: linear-gradient(145deg, var(--color-ferni, var(--color-ferni)), var(--color-ferni-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-weight: 700;
  font-size: var(--text-2xs);
  position: relative;
  box-shadow: 
    0 2px 8px rgba(74, 103, 65, 0.3),
    inset 0 1px 4px rgba(255, 255, 255, 0.15);
}

.demo-widget__mini-orb span {
  position: relative;
  z-index: 1;
}

.demo-widget__mini-orb-glow {
  position: absolute;
  inset: -4px;
  background: radial-gradient(
    circle,
    rgba(74, 103, 65, 0.3) 0%,
    transparent 70%
  );
  border-radius: 50%;
  animation: mini-orb-glow 3s ease-in-out infinite;
}

@keyframes mini-orb-glow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.15); }
}

.demo-widget__header-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.demo-widget__header-name {
  font-weight: 600;
  color: var(--color-text-primary, var(--color-text-primary));
  font-size: var(--text-sm);
}

.demo-widget__status {
  font-size: var(--text-2xs);
  padding: 2px 8px;
  background: rgba(74, 103, 65, 0.1);
  color: var(--color-ferni, var(--color-ferni));
  border-radius: var(--radius-md);
  font-weight: 500;
  width: fit-content;
}

.demo-widget__emotion-badge {
  --emotion-color: var(--color-ferni, var(--color-ferni));
  font-size: var(--text-2xs);
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--emotion-color) 15%, transparent);
  color: var(--emotion-color);
  margin-left: auto;
  opacity: 0;
  transform: translateX(8px);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.demo-widget__emotion-badge.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Fallback for browsers without color-mix */
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .demo-widget__emotion-badge {
    background: rgba(74, 103, 65, 0.12);
  }
}

.demo-widget__close {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary, var(--color-text-secondary));
  transition: all 0.2s ease;
}

.demo-widget__close:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--color-text-primary, var(--color-text-primary));
}

/* ============================================================================
   MESSAGES AREA
   ============================================================================ */

.demo-widget__messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 200px;
  max-height: 280px;
}

/* Message bubbles - Premium styling */
.demo-message {
  max-width: 82%;
  padding: 14px 18px;
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  line-height: 1.55;
  letter-spacing: -0.01em;
  opacity: 0;
  transform: translateY(12px) scale(0.94);
  transition: 
    opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  
  /* Smooth font rendering */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.demo-message.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Staggered animation for sequential messages */
.demo-message:nth-child(1) { transition-delay: 0ms; }
.demo-message:nth-child(2) { transition-delay: 60ms; }
.demo-message:nth-child(3) { transition-delay: 120ms; }
.demo-message:nth-child(4) { transition-delay: 180ms; }
.demo-message:nth-child(5) { transition-delay: 240ms; }

.demo-message--ferni {
  background: linear-gradient(
    135deg,
    var(--color-paper-cream, var(--color-bg-primary)) 0%,
    var(--color-bg-secondary) 100%
  );
  color: var(--color-text-primary, var(--color-text-primary));
  border-bottom-left-radius: 6px;
  align-self: flex-start;
  box-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* Subtle hover effect on messages */
.demo-message--ferni:hover {
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* Emotion-based message tinting */
.demo-message--ferni[data-emotion="concerned"] {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  border-left: 2px solid var(--color-jack);
}

.demo-message--ferni[data-emotion="warm"] {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, #f5ece4 100%);
  border-left: 2px solid var(--color-maya);
}

.demo-message--ferni[data-emotion="empathetic"] {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, #f2ebe8 100%);
  border-left: 2px solid var(--color-maya);
}

.demo-message--ferni[data-emotion="thoughtful"] {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, #eceef2 100%);
  border-left: 2px solid var(--color-alex);
}

.demo-message--ferni[data-emotion="curious"] {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, #e8f0f0 100%);
  border-left: 2px solid var(--color-peter);
}

.demo-message--ferni[data-emotion="delighted"] {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, #ecf0e8 100%);
  border-left: 2px solid var(--color-ferni);
}

.demo-message--user {
  background: linear-gradient(
    145deg,
    var(--color-ferni, var(--color-ferni)) 0%,
    var(--color-ferni-secondary) 50%,
    var(--color-ferni-secondary) 100%
  );
  color: white;
  border-bottom-right-radius: 6px;
  align-self: flex-end;
  box-shadow: 
    0 4px 16px rgba(74, 103, 65, 0.25),
    0 2px 6px rgba(74, 103, 65, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}

.demo-message--user:hover {
  box-shadow: 
    0 6px 20px rgba(74, 103, 65, 0.3),
    0 3px 8px rgba(74, 103, 65, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.demo-message__content {
  display: block;
}

/* Typing indicator - enhanced */
.demo-typing {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--color-paper-cream, var(--color-bg-primary));
  border-radius: 18px;
  border-bottom-left-radius: 4px;
  width: fit-content;
  align-self: flex-start;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.demo-typing.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.demo-typing__dots {
  display: flex;
  gap: 4px;
}

.demo-typing__dots span {
  width: 6px;
  height: 6px;
  background: var(--color-ferni, var(--color-ferni));
  border-radius: 50%;
  opacity: 0.4;
  animation: typing-dot 1.4s infinite;
}

.demo-typing__dots span:nth-child(2) {
  animation-delay: 0.15s;
}

.demo-typing__dots span:nth-child(3) {
  animation-delay: 0.3s;
}

.demo-typing__label {
  font-size: var(--text-2xs);
  color: var(--color-text-secondary, var(--color-text-secondary));
  opacity: 0.7;
}

@keyframes typing-dot {
  0%, 60%, 100% {
    opacity: 0.3;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

/* Capability hint */
.demo-widget__capability-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: linear-gradient(
    135deg,
    rgba(74, 103, 65, 0.1) 0%,
    rgba(74, 103, 65, 0.05) 100%
  );
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--color-ferni, var(--color-ferni));
  opacity: 0;
  transform: translateY(-5px);
  transition: 
    opacity 0.3s ease,
    transform 0.3s ease;
  margin-bottom: 8px;
}

.demo-widget__capability-hint.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.demo-widget__capability-icon {
  font-size: var(--text-base);
}

/* ============================================================================
   INPUT AREA - Refined and responsive
   ============================================================================ */

.demo-widget__input-area {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  position: relative;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.5) 100%
  );
}

.demo-widget__input {
  flex: 1;
  border: 1.5px solid rgba(0, 0, 0, 0.08);
  border-radius: 28px;
  padding: 12px 18px;
  font-size: var(--text-sm);
  font-family: inherit;
  background: rgba(0, 0, 0, 0.02);
  transition: 
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.2s ease;
  
  /* Smooth rendering */
  -webkit-font-smoothing: antialiased;
}

.demo-widget__input:hover {
  border-color: rgba(0, 0, 0, 0.12);
  background: rgba(0, 0, 0, 0.01);
}

.demo-widget__input:focus {
  outline: none;
  border-color: var(--color-ferni, var(--color-ferni));
  background: white;
  box-shadow: 
    0 0 0 4px rgba(74, 103, 65, 0.08),
    0 2px 8px rgba(74, 103, 65, 0.06);
  transform: translateY(-1px);
}

.demo-widget__input::placeholder {
  color: var(--color-text-secondary, var(--color-text-secondary));
  opacity: 0.5;
  transition: opacity 0.2s ease;
}

.demo-widget__input:focus::placeholder {
  opacity: 0.3;
}

.demo-widget__send,
.demo-widget__voice {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 
    background 0.2s ease,
    transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

/* Ripple effect on buttons */
.demo-widget__send::after,
.demo-widget__voice::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at center,
    rgba(255, 255, 255, 0.3) 0%,
    transparent 70%
  );
  transform: scale(0);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

.demo-widget__send:active::after,
.demo-widget__voice:active::after {
  transform: scale(2);
  opacity: 1;
  transition: transform 0s, opacity 0s;
}

.demo-widget__send {
  background: linear-gradient(
    145deg,
    var(--color-ferni, var(--color-ferni)) 0%,
    var(--color-ferni-secondary) 100%
  );
  color: white;
  box-shadow: 
    0 2px 8px rgba(74, 103, 65, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.demo-widget__send:hover {
  background: linear-gradient(
    145deg,
    var(--color-ferni) 0%,
    var(--color-ferni) 100%
  );
  transform: scale(1.08);
  box-shadow: 
    0 4px 12px rgba(74, 103, 65, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.demo-widget__send:active {
  transform: scale(0.95);
}

.demo-widget__voice {
  background: transparent;
  color: var(--color-text-secondary, var(--color-text-secondary));
  border: 1.5px solid transparent;
}

.demo-widget__voice:hover {
  background: rgba(74, 103, 65, 0.08);
  color: var(--color-ferni, var(--color-ferni));
  border-color: rgba(74, 103, 65, 0.15);
  transform: scale(1.05);
}

.demo-widget__voice:active {
  transform: scale(0.95);
  background: rgba(74, 103, 65, 0.12);
}

/* Voice tooltip */
.demo-voice-tooltip {
  position: absolute;
  bottom: 100%;
  right: 0;
  width: 240px;
  padding: 16px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  margin-bottom: 8px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.demo-voice-tooltip.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.demo-voice-tooltip p {
  font-size: var(--text-sm);
  margin: 0 0 8px;
  color: var(--color-text-primary, var(--color-text-primary));
}

.demo-voice-tooltip p:first-child {
  font-weight: 600;
}

.demo-voice-tooltip a {
  color: var(--color-ferni, var(--color-ferni));
  font-size: var(--text-sm);
  font-weight: 500;
}

/* ============================================================================
   FOOTER CTA
   ============================================================================ */

.demo-widget__footer {
  padding: 12px 16px;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(74, 103, 65, 0.03) 100%
  );
  text-align: center;
}

.demo-widget__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ferni, var(--color-ferni));
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-xl);
  transition: all 0.2s ease;
}

.demo-widget__cta:hover {
  background: rgba(74, 103, 65, 0.1);
}

/* ============================================================================
   MOBILE ADJUSTMENTS
   ============================================================================ */

@media (max-width: 640px) {
  .demo-widget {
    bottom: 16px;
    right: 16px;
  }

  .demo-widget__chat {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    border-radius: 20px 20px 0 0;
    max-height: 70vh;
  }

  .demo-widget__trigger {
    width: 56px;
    height: 56px;
  }

  .demo-widget__peek {
    display: none;
  }
}

/* ============================================================================
   REDUCED MOTION
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
  .demo-widget,
  .demo-widget__chat,
  .demo-message,
  .demo-widget__avatar-glow,
  .demo-typing span {
    animation: none !important;
    transition: opacity 0.1s ease !important;
  }
}