/* ==========================================================================
   SoilSync Academy • Clean Minimalist E-Certificate Verification System
   Clean White Aesthetic with Fixed Proportional Typography (Container Queries)
   ========================================================================== */

:root {
  --color-primary: #7a3e20;
  --color-primary-hover: #5e2e17;
  --color-forest: #2d6a4f;
  --color-forest-light: #eaf5ee;
  --color-gold: #d4af37;
  --color-text-main: #1c120c;
  --color-text-muted: #64748b;
  --color-text-light: #94867c;
  --color-bg-page: #ffffff;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-subtle: #f1f5f9;
  --font-sans:
    "Plus Jakarta Sans", "Outfit", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.04);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-page);
  color: var(--color-text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 60px 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Container Layout ── */
.app-container {
  width: 100%;
  max-width: 1080px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* ── Top Navigation Bar ── */
.top-navbar {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 12px 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text-main);
}

.brand-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.brand-info h1 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-text-main);
}

.brand-info p {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-forest);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Clean Button System ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(122, 62, 32, 0.2);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: #f8fafc;
  border-color: #cbd5e1;
}

.btn-forest {
  background-color: var(--color-forest);
  color: #ffffff;
}

.btn-forest:hover {
  background-color: #1b4332;
}

/* ── Certificate Viewport Stage (Fixed Container Query Proportions) ── */
.cert-stage {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.certificate-card-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 1080;
  max-width: 1080px;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.certificate-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.cert-svg-name {
  font-family: var(--font-sans);
  font-size: 120px;
  font-weight: 800;
  fill: #1E293B;
  letter-spacing: 0.5px;
}

.cert-svg-date {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 600;
  fill: #334155;
  letter-spacing: 0.2px;
}

.cert-svg-code {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 600;
  fill: #475569;
  letter-spacing: 0.4px;
}

/* ── Primary Action Bar (Under Certificate) ── */
.cert-actions-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
}

/* ── Verification Details Card ── */
.details-card {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-subtle);
}

.verification-status-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--color-forest-light);
  border: 1px solid rgba(45, 106, 79, 0.2);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 24px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-forest);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
}

.status-text-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-forest);
}

.status-text-desc {
  font-size: 0.8rem;
  color: #475569;
}

.badge-active {
  background: #ffffff;
  color: var(--color-forest);
  border: 1px solid rgba(45, 106, 79, 0.3);
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Metadata Grid ── */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.meta-item {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-label {
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.meta-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.code-badge {
  font-family: monospace;
  font-size: 0.875rem;
  background: #ffffff;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid #cbd5e1;
  color: var(--color-primary);
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.code-badge:hover {
  background: #f1f5f9;
  border-color: var(--color-primary);
}

/* ── Issuing Authorities ── */
.authorities-section {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

.section-heading {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.authorities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.authority-card {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.authority-icon {
  font-size: 20px;
}

.authority-text h4 {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.authority-text p {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* ── Modals & Overlays ── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: 100%;
  max-width: 440px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  transform: translateY(10px);
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-backdrop.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-text-main);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--color-text-light);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
}

.modal-close-btn:hover {
  color: var(--color-text-main);
}

/* ── Share Modal Details ── */
.share-link-box {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.share-link-input {
  flex: 1;
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  font-size: 0.825rem;
  color: var(--color-text-main);
  outline: none;
}

.social-share-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.social-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #f8fafc;
  color: var(--color-text-main);
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}

.social-btn:hover {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: var(--shadow-subtle);
}

/* ── Search Lookup Modal ── */
.search-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.search-input {
  width: 100%;
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--color-text-main);
  outline: none;
}

.search-input:focus {
  border-color: var(--color-primary);
  background: #ffffff;
}

/* ── State Cards (Loading / Not Found) ── */
.state-card {
  width: 100%;
  max-width: 540px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow-subtle);
  margin: 32px 0;
}

.state-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.state-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--color-text-main);
}

.state-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

/* ── Toast Notification ── */
.toast-notice {
  position: fixed;
  bottom: 24px;
  background: #1e293b;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.85rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 2000;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* ── Print Stylesheet ── */
@media print {
  @page {
    size: 297mm 210mm;
    margin: 0;
  }
  
  html, body {
    background: #FFFFFF !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 297mm !important;
    height: 210mm !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
  }

  .top-navbar,
  .cert-actions-bar,
  .details-card,
  .modal-backdrop,
  .toast-notice,
  .btn,
  footer {
    display: none !important;
  }

  .app-container {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    gap: 0 !important;
  }

  .cert-stage {
    width: 297mm !important;
    height: 210mm !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .certificate-card-wrapper {
    width: 297mm !important;
    height: 167.06mm !important;
    aspect-ratio: 1920 / 1080 !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    position: relative !important;
    page-break-inside: avoid !important;
  }

  .certificate-template-img {
    width: 100% !important;
    height: 100% !important;
    object-fit: fill !important;
  }
}

/* ── Responsive Mobile Styles ── */
@media (max-width: 768px) {
  body {
    padding: 12px 10px 32px 10px;
  }

  .top-navbar {
    padding: 10px 14px;
  }

  .nav-actions {
    width: 100%;
    justify-content: space-between;
  }

  .btn {
    padding: 8px 12px;
    font-size: 0.78rem;
  }

  .details-card {
    padding: 18px 14px;
  }

  .meta-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}