/* ==========================================================================
   Snapchat Video Downloader - Modern, Clean & Minimal Styling
   Branding: Bright Snapchat Yellow (#FFFC00), Pure White (#FFFFFF), Deep Black (#000000)
   ========================================================================== */

:root {
  --snap-yellow: #FFFC00;
  --snap-black: #000000;
  --snap-white: #FFFFFF;
  --snap-gray-dark: #1E1E1E;
  --snap-gray-mid: #6E6E6E;
  --snap-gray-light: #F4F4F4;
  --snap-border: #E5E5E5;
  --snap-error-bg: #FFF1F0;
  --snap-error-border: #FFA39E;
  --snap-error-text: #CF1322;
  --snap-green: #00875A;
  
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.12);
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--snap-white);
  color: var(--snap-black);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   1. Minimal Header: Only the Logo
   ========================================================================== */
.header {
  background-color: var(--snap-yellow);
  width: 100%;
  padding: 24px 20px 12px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.15s ease;
}

.logo-link:hover {
  transform: scale(1.06);
}

.ghost-logo {
  width: 44px;
  height: 44px;
  display: block;
}

/* ==========================================================================
   2. Hero Section: Bright Yellow Background (#FFFC00)
   ========================================================================== */
.hero-section {
  background-color: var(--snap-yellow);
  padding: 16px 20px 72px 20px;
  width: 100%;
}

.hero-container {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--snap-black);
  line-height: 1.15;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--snap-gray-dark);
  margin-bottom: 36px;
}

/* Form & Input Container */
.downloader-form {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  background-color: var(--snap-white);
  padding: 6px 8px 6px 6px;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.09);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.downloader-form:focus-within {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.16);
}

.input-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  position: relative;
  min-width: 0;
}

.paste-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--snap-gray-mid);
  padding: 10px 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.paste-btn:hover {
  color: var(--snap-black);
  background-color: #F0F0F0;
}

.url-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  color: var(--snap-black);
  padding: 12px 6px;
  min-width: 0;
}

.url-input::placeholder {
  color: #8E8E93;
  font-weight: 400;
}

.clear-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: #999999;
  padding: 6px 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: color 0.15s ease;
}

.clear-btn:hover {
  color: var(--snap-black);
}

/* Black Download Button */
.download-btn {
  background-color: var(--snap-black);
  color: var(--snap-white);
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 130px;
  transition: background-color 0.15s ease, transform 0.15s ease, opacity 0.15s ease;
}

.download-btn:hover:not(:disabled) {
  background-color: #222222;
  transform: translateY(-1px);
}

.download-btn:active:not(:disabled) {
  transform: translateY(0);
}

.download-btn:disabled {
  opacity: 0.75;
  cursor: not-allowed;
}

/* Spinner inside button */
.btn-loader {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 20px;
  height: 20px;
  animation: spin 0.8s linear infinite;
}

.spinner-track {
  opacity: 0.25;
}

.spinner-head {
  opacity: 1;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

/* Status Loading Feedback */
.status-container {
  margin-top: 24px;
}

.status-loading {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: rgba(0, 0, 0, 0.08);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--snap-black);
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background-color: var(--snap-black);
  border-radius: 50%;
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(0.8); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 1; }
}

/* Error Message Banner */
.error-container {
  margin-top: 24px;
  background-color: var(--snap-white);
  border-left: 4px solid var(--snap-error-text);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  text-align: left;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.error-icon {
  color: var(--snap-error-text);
  flex-shrink: 0;
  margin-top: 2px;
}

.error-content strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--snap-black);
  margin-bottom: 2px;
}

.error-content p {
  font-size: 0.875rem;
  color: var(--snap-gray-dark);
  line-height: 1.4;
}

/* Result Card: Video Preview & Details */
.result-container {
  margin-top: 36px;
}

.result-card {
  background-color: var(--snap-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.14);
  padding: 24px;
  text-align: left;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
}

.result-video-wrapper {
  background-color: #000000;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  width: 100%;
  max-width: 240px;
  aspect-ratio: 9 / 16;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.video-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.result-details {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.result-meta-top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.watermark-badge {
  background-color: #E8F5E9;
  color: #1B5E20;
}

.quality-badge {
  background-color: #F0F0F0;
  color: var(--snap-black);
}

.video-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--snap-black);
  line-height: 1.3;
  margin-bottom: 6px;
  word-break: break-word;
}

.video-creator {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--snap-gray-mid);
  margin-bottom: 20px;
}

.meta-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background-color: var(--snap-gray-light);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--snap-gray-mid);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.meta-val {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--snap-black);
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.action-btn {
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  border: none;
}

.download-action-btn {
  background-color: var(--snap-black);
  color: var(--snap-white);
}

.download-action-btn:hover {
  background-color: #262626;
  transform: translateY(-1px);
}

.secondary-action-btn {
  background-color: transparent;
  color: var(--snap-black);
  border: 1.5px solid #DCDCDC;
}

.secondary-action-btn:hover {
  border-color: var(--snap-black);
  background-color: #FAFAFA;
}

.text-action-btn {
  background: transparent;
  color: var(--snap-gray-mid);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 6px;
}

.text-action-btn:hover {
  color: var(--snap-black);
}

/* ==========================================================================
   3. Content Section: Pure White Background (#FFFFFF)
   ========================================================================== */
.content-section {
  background-color: var(--snap-white);
  padding: 80px 20px;
  flex: 1;
}

.content-container {
  max-width: 860px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 48px;
  color: var(--snap-black);
}

/* 3-Step Guide */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.step-badge {
  width: 42px;
  height: 42px;
  background-color: var(--snap-yellow);
  color: var(--snap-black);
  font-size: 1.125rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 2px solid var(--snap-black);
}

.step-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--snap-black);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.9375rem;
  color: #555555;
  line-height: 1.55;
}

.content-divider {
  height: 1px;
  background-color: var(--snap-border);
  margin: 64px 0 48px 0;
}

/* Information / Policy Notice */
.info-block {
  max-width: 760px;
  margin: 0 auto;
}

.info-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background-color: var(--snap-gray-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.info-icon {
  color: var(--snap-gray-mid);
  flex-shrink: 0;
  margin-top: 2px;
}

.info-text strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--snap-black);
  margin-bottom: 4px;
}

.info-text p {
  font-size: 0.875rem;
  color: #555555;
  line-height: 1.5;
}

/* ==========================================================================
   4. Minimal Footer
   ========================================================================== */
.footer {
  background-color: var(--snap-white);
  border-top: 1px solid var(--snap-border);
  padding: 28px 20px;
  text-align: center;
}

.footer-container {
  max-width: 860px;
  margin: 0 auto;
}

.footer-disclaimer {
  font-size: 0.8125rem;
  color: #777777;
  margin-bottom: 8px;
}

.footer-copy {
  font-size: 0.8125rem;
  color: #999999;
}

/* Utility classes */
.hidden {
  display: none !important;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.15rem;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 28px;
  }

  .downloader-form {
    flex-direction: column;
    padding: 8px;
    border-radius: var(--radius-lg);
  }

  .input-wrapper {
    width: 100%;
  }

  .download-btn {
    width: 100%;
    padding: 14px 20px;
  }

  .result-card {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .result-video-wrapper {
    max-width: 100%;
    height: 380px;
    margin: 0 auto;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .content-section {
    padding: 48px 20px;
  }

  .section-title {
    font-size: 1.5rem;
    margin-bottom: 36px;
  }

  .content-divider {
    margin: 40px 0 32px 0;
  }
}