/* ========================================
   FindMyFaceShape.ai - Main Stylesheet
   ======================================== */

/* ----------------------------------------
   Font Import
   ---------------------------------------- */
/* Font loaded via <link> in index.html for non-blocking delivery */

/* ----------------------------------------
   CSS Variables
   ---------------------------------------- */
:root {
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-secondary: #7c9eb8;
  --color-secondary-dark: #5a8aa8;
  --color-bg-base: #f8fafc;
  --color-bg-muted: #f1f5f9;
  --color-bg-subtle: #e2e8f0;
  --color-text-dark: #1e293b;
  --color-tag-green-bg: #d1fae5;
  --color-tag-green-text: #065f46;
  --color-tag-amber-bg: #fef3c7;
  --color-tag-amber-text: #92400e;
  --color-tag-blue-bg: #dbeafe;
  --color-tag-blue-text: #1e40af;
  --duration-fast: 0.2s;
  --duration-normal: 0.3s;
  --duration-slow: 0.5s;
}

/* ----------------------------------------
   Base Styles
   ---------------------------------------- */
body {
  font-family: "Inter", sans-serif;
}

/* ----------------------------------------
   Layout Components
   ---------------------------------------- */
.top-bar {
  background: linear-gradient(135deg, var(--color-bg-base) 0%, #e8f1f8 100%);
}

/* ----------------------------------------
   Carousel
   ---------------------------------------- */
.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel-slide {
  flex: 0 0 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.shape-btn {
  transition: background-color var(--duration-normal), color var(--duration-normal);
}

.shape-btn.active {
  background: var(--color-secondary);
  color: #fff;
}

/* ----------------------------------------
   Upload Box
   ---------------------------------------- */
.upload-box {
  border: 2px dashed var(--color-secondary);
  transition: border-color var(--duration-normal), background-color var(--duration-normal);
}

.upload-box:hover {
  border-color: var(--color-secondary-dark);
  background: #f0f7fb;
}

.upload-icon-bounce {
  animation: uploadBounce 2s ease-in-out infinite;
  cursor: pointer;
}

.hidden .upload-icon-bounce {
  animation-play-state: paused;
}

.upload-icon-bounce:hover {
  animation: uploadBounce 0.5s ease-in-out infinite;
}

/* ----------------------------------------
   Scan Overlay
   ---------------------------------------- */
.scan-overlay {
  opacity: 0;
  transition: opacity var(--duration-slow);
}

.scan-overlay.active {
  opacity: 1;
}

/* ----------------------------------------
   Face Outline
   ---------------------------------------- */
.face-outline {
  fill: none;
  stroke: var(--color-text-dark);
  stroke-width: 2;
  stroke-dasharray: 8 4;
  stroke-linecap: round;
  animation: dashMove 30s linear infinite;
  animation-play-state: paused;
}

svg:not([style*="display: none"]) .face-outline {
  animation-play-state: running;
}

/* ----------------------------------------
   Tags
   ---------------------------------------- */
.tag {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin: 4px;
}

.tag-green {
  background: var(--color-tag-green-bg);
  color: var(--color-tag-green-text);
}

.tag-amber {
  background: var(--color-tag-amber-bg);
  color: var(--color-tag-amber-text);
}

.tag-blue {
  background: var(--color-tag-blue-bg);
  color: var(--color-tag-blue-text);
}

/* ----------------------------------------
   Hover Info
   ---------------------------------------- */
.hover-info {
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.hover-info.active {
  opacity: 1;
}

/* ----------------------------------------
   Progress Bars
   ---------------------------------------- */
.probability-bar-fill {
  transition: width 0.8s ease;
}

.rating-bar-fill {
  transition: width 0.5s ease;
}

/* ----------------------------------------
   Spinner
   ---------------------------------------- */
.spinner {
  border-top-color: var(--color-secondary);
  animation: spin 1s linear infinite;
}

/* ----------------------------------------
   Result Cards
   ---------------------------------------- */
.shape-result-card {
  background: linear-gradient(135deg, var(--color-bg-base) 0%, #e0e7ff 100%);
  border: 2px solid var(--color-primary);
}

.rec-card {
  background: linear-gradient(135deg, var(--color-bg-base) 0%, var(--color-bg-muted) 100%);
  border-radius: 16px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}

.rec-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.rec-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  flex-shrink: 0;
}

/* ----------------------------------------
   Skeleton Loading
   ---------------------------------------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-muted) 25%,
    var(--color-bg-subtle) 50%,
    var(--color-bg-muted) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.hidden .skeleton,
.skeleton.hidden {
  animation-play-state: paused;
}

.skeleton-text {
  height: 16px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.skeleton-title {
  height: 32px;
  border-radius: 6px;
  margin-bottom: 12px;
  width: 60%;
}

.skeleton-box {
  height: 120px;
  border-radius: 12px;
}

/* ----------------------------------------
   AI Explosion Effect
   ---------------------------------------- */
.ai-explosion {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.95);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal);
}

.ai-explosion.active {
  opacity: 1;
  pointer-events: auto;
}

.star {
  position: absolute;
  font-size: 24px;
  animation: starBurst 1s ease-out forwards;
}

.ai-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  animation: pulseText 1s ease-in-out;
}

/* ----------------------------------------
   Camera Modal
   ---------------------------------------- */
.camera-modal {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.9);
}

.camera-modal.active {
  display: flex;
}

.camera-container {
  position: relative;
  max-width: 500px;
  width: 100%;
}

.camera-video {
  width: 100%;
  border-radius: 16px;
  transform: scaleX(-1);
}

.camera-controls {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 16px;
}

.camera-btn-capture {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--color-primary);
  cursor: pointer;
  transition: transform var(--duration-fast);
}

.camera-btn-capture:hover {
  transform: scale(1.1);
}

.camera-btn-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

/* ----------------------------------------
   Animations (Keyframes)
   ---------------------------------------- */
@keyframes dashMove {
  to {
    stroke-dashoffset: -500;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

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

@keyframes starBurst {
  0% {
    transform: scale(0) rotate(0deg);
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(1) rotate(180deg) translate(var(--tx), var(--ty));
    opacity: 0;
  }
}

@keyframes pulseText {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

@keyframes uploadBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}