/* ──────────────────────────────────────────
   GRABH — Soft & Sweet Design System
   Theme: Web Neutrals / Minimalist Zen
   ────────────────────────────────────────── */

/* ── Design Tokens ── */
:root {
  /* Colors */
  --bg-primary: #f9f9f9;
  --bg-secondary: #f2f2f2;
  --bg-card: #ffffff;
  --text-primary: #2d2d2d;
  --text-secondary: #6b6b6b;
  --text-muted: #9a9a9a;
  --border-soft: #e8e8e8;
  --border-hover: #d0d0d0;
  --accent: #2d2d2d;
  --accent-hover: #1a1a1a;
  --accent-subtle: #f0f0f0;
  --success: #4caf50;
  --error: #e57373;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-input: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);

  /* Typography */
  --font-family:
    "Urbanist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-hero: 3.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

@keyframes float1 {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(10vw, 15vh) scale(1.1); }
  66% { transform: translate(-5vw, 20vh) scale(0.9); }
  100% { transform: translate(0, 0) scale(1); }
}

@keyframes float2 {
  0% { transform: translate(0, 0) scale(1.1); }
  33% { transform: translate(-12vw, -10vh) scale(1.2); }
  66% { transform: translate(8vw, -15vh) scale(1); }
  100% { transform: translate(0, 0) scale(1.1); }
}

@keyframes float3 {
  0% { transform: translate(0, 0) scale(0.9); }
  50% { transform: translate(15vw, -20vh) scale(1.1); }
  100% { transform: translate(0, 0) scale(0.9); }
}

.bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  background-color: var(--bg-primary);
}

.bg__mesh {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 2px 2px, var(--border-soft) 1px, transparent 0);
  background-size: 40px 40px;
  opacity: 0.3;
  pointer-events: none;
}

.bg__blobs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
}

.bg__blob {
  position: absolute;
  width: 40vw;
  height: 40vw;
  border-radius: 50%;
  background: var(--accent);
  will-change: transform;
}

.bg__blob--1 {
  top: -10%;
  left: -10%;
  animation: float1 25s infinite ease-in-out;
}

.bg__blob--2 {
  bottom: -10%;
  right: -10%;
  background: #ff7eb3; /* Soft pink */
  animation: float2 30s infinite ease-in-out;
}

.bg__blob--3 {
  top: 50%;
  left: 50%;
  width: 30vw;
  height: 30vw;
  background: #a18cd1; /* Soft purple */
  animation: float3 20s infinite ease-in-out;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Layout ── */
.app {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: var(--space-8) var(--space-6);
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

/* ── Hero Section ── */
.hero {
  text-align: center;
  padding: var(--space-16) 0 var(--space-12);
}

.hero__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero__icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__icon--premium {
  color: #000; /* Matches the rect fill in index.html */
  margin-bottom: var(--space-4);
}

.hero__icon--premium svg {
  width: 64px;
  height: 64px;
  display: block;
}

.hero__title {
  font-size: var(--font-size-hero);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  font-weight: 400;
  margin-top: var(--space-3);
  letter-spacing: -0.01em;
}

.download-counter {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--space-4);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.download-counter #counterNumber {
  font-weight: 700;
  color: var(--accent);
}

/* ── Success State ── */
.success {
  display: none;
  text-align: center;
  padding: var(--space-10) var(--space-6);
  animation: fadeIn var(--transition-base) ease-out;
}

.success.is-visible {
  display: block;
}

.success__icon {
  margin-bottom: var(--space-4);
  display: flex;
  justify-content: center;
}

.success__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.success__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.success__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.success__btn:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.success__btn:active {
  transform: translateY(0);
}

/* ── Search Bar ── */
.search {
  width: 100%;
  margin-bottom: var(--space-8);
}

.search__form {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--bg-card);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-6);
  box-shadow: var(--shadow-input);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.search__form:focus-within {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.search__input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--text-primary);
  outline: none;
  min-width: 0;
}

.search__input::placeholder {
  color: var(--text-muted);
}

.search__button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  white-space: nowrap;
}

.search__button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.search__button:active {
  transform: translateY(0);
}

.search__button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.search__button-icon {
  font-size: var(--font-size-base);
}

.search__hint {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-3);
}

/* ── Loading State ── */
.loading {
  display: none;
  text-align: center;
  padding: var(--space-8) 0;
}

.loading.is-visible {
  display: block;
}

.progress {
  width: 100%;
  max-width: 400px;
  height: 6px;
  background: var(--border-soft);
  border-radius: var(--radius-pill);
  margin: 0 auto var(--space-4);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: var(--radius-pill);
  transition: width 200ms ease-out;
}

.loading__percent {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.loading__text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
}

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

/* ── Result Card ── */
.result {
  width: 100%;
  display: none;
  opacity: 0;
  transform: translateY(12px);
}

.result.is-visible {
  display: block;
  animation: slideUp var(--transition-slow) forwards;
}

@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result__card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base);
}

.result__card:hover {
  box-shadow: var(--shadow-lg);
}

.result__thumbnail-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-secondary);
  overflow: hidden;
}

.result__thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.result__duration {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-3);
  background: rgba(0, 0, 0, 0.75);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
}

.result__body {
  padding: var(--space-6);
}

.result__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.result__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.result__meta-item {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.result__meta-icon {
  font-size: var(--font-size-base);
}

.result__actions {
  display: flex;
  gap: var(--space-3);
}

.result__download-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.result__download-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.result__download-btn:active {
  transform: translateY(0);
}

.result__copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-5);
  background: var(--accent-subtle);
  color: var(--text-primary);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 500;
  font-family: var(--font-family);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.result__copy-btn:hover {
  background: var(--border-soft);
  border-color: var(--border-hover);
}

/* ── Error State ── */
.error {
  display: none;
  text-align: center;
  padding: var(--space-8) 0;
}

.error.is-visible {
  display: block;
  animation: slideUp var(--transition-slow) forwards;
}

.error__icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.error__message {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto;
}

/* ── Supported Platforms ── */
.platforms {
  text-align: center;
  padding: var(--space-6) 0;
}

.platforms__label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.platforms__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.platforms__item {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-pill);
  transition:
    color var(--transition-fast),
    background var(--transition-fast);
}

.platforms__item:hover {
  color: var(--text-primary);
  background: var(--border-soft);
}

/* ── Footer ── */
.footer {
  text-align: center;
  padding: var(--space-8) var(--space-6) var(--space-6);
  border-top: 1px solid var(--border-soft);
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.footer__text {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.footer__text strong {
  color: var(--text-secondary);
  font-weight: 600;
}

.footer__github {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-soft);
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.footer__github:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
  background: var(--bg-card);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero {
    padding: var(--space-10) 0 var(--space-8);
  }

  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
  }

  .search__form {
    flex-direction: column;
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    gap: var(--space-2);
  }

  .search__input {
    width: 100%;
    padding: var(--space-3);
    text-align: center;
  }

  .search__button {
    width: 100%;
    justify-content: center;
    padding: var(--space-4);
  }

  .result__body {
    padding: var(--space-4);
  }

  .result__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .result__actions {
    flex-direction: column;
  }

  .platforms__list {
    gap: var(--space-2);
  }
}

/* ── Button Spinner ── */
.btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-left: var(--space-2);
}

/* ── Auth Chip ── */
.auth-chip {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4) var(--space-1) var(--space-1);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  z-index: 100;
  animation: fadeIn var(--transition-base) ease-out;
}

.auth-chip__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.auth-chip__name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Auth Modal ── */
.auth-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.auth-modal.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.auth-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
}

.auth-modal__card {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-8);
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform var(--transition-slow);
}

.auth-modal.is-visible .auth-modal__card {
  transform: translateY(0);
}

.auth-modal__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.auth-modal__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.auth-modal__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.auth-modal__google-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4) var(--space-6);
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.auth-modal__google-btn:hover {
  background: var(--accent-subtle);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.auth-modal__google-btn:active {
  transform: translateY(0);
}

.auth-modal__google-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.auth-modal__google-icon {
  flex-shrink: 0;
}

.auth-modal__note {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-4);
}

/* ── Queue Status ── */
.queue-status {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-3);
  font-weight: 500;
  animation: fadeIn var(--transition-base) ease-out;
}

/* ── Download Button Disabled ── */
.result__download-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* ── Utility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}