/* =========================================================
   AgriTech Contributor Certificate Generator Stylesheet
   ========================================================= */

:root {
  --cert-bg: #090d16;
  --cert-surface: rgba(15, 23, 42, 0.75);
  --cert-surface-card: rgba(30, 41, 59, 0.7);
  --cert-border: rgba(148, 163, 184, 0.2);
  --cert-border-hover: rgba(34, 197, 94, 0.45);
  --cert-text: #f8fafc;
  --cert-text-muted: #94a3b8;
  --cert-accent: #22c55e;
  --cert-accent-glow: rgba(34, 197, 94, 0.25);
  --cert-accent-secondary: #3b82f6;
  --cert-gold: #f59e0b;
  --cert-gold-glow: rgba(245, 158, 11, 0.25);
  --cert-shadow: 0 12px 40px -10px rgba(0, 0, 0, 0.55);
  --cert-radius: 16px;
  --cert-font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --cert-font-title: 'Cinzel', 'Playfair Display', Georgia, serif;
}

[data-theme="light"] {
  --cert-bg: #f8fafc;
  --cert-surface: rgba(255, 255, 255, 0.9);
  --cert-surface-card: #ffffff;
  --cert-border: rgba(148, 163, 184, 0.3);
  --cert-border-hover: rgba(22, 163, 74, 0.5);
  --cert-text: #0f172a;
  --cert-text-muted: #64748b;
  --cert-accent: #16a34a;
  --cert-accent-glow: rgba(22, 163, 74, 0.15);
  --cert-accent-secondary: #2563eb;
  --cert-gold: #d97706;
  --cert-gold-glow: rgba(217, 119, 6, 0.15);
  --cert-shadow: 0 12px 40px -10px rgba(15, 23, 42, 0.1);
}

body.certificate-page {
  background: var(--cert-bg);
  color: var(--cert-text);
  font-family: var(--cert-font-main);
  min-height: 100vh;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.cert-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* --- Hero Banner --- */
.cert-hero {
  text-align: center;
  margin-bottom: 2.5rem;
  padding: 3rem 1.5rem;
  border-radius: var(--cert-radius);
  background: radial-gradient(circle at 50% 0%, rgba(34, 197, 94, 0.18) 0%, transparent 60%),
              var(--cert-surface);
  border: 1px solid var(--cert-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--cert-shadow);
}

.cert-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: var(--cert-accent);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.cert-hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 0.75rem;
  background: linear-gradient(135deg, var(--cert-text) 30%, var(--cert-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cert-hero p {
  max-width: 680px;
  margin: 0 auto;
  color: var(--cert-text-muted);
  font-size: 1.05rem;
}

/* --- Generator Controls Panel --- */
.cert-controls-card {
  background: var(--cert-surface-card);
  border: 1px solid var(--cert-border);
  border-radius: var(--cert-radius);
  padding: 1.75rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--cert-shadow);
}

.cert-controls-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: end;
}

@media (max-width: 768px) {
  .cert-controls-grid {
    grid-template-columns: 1fr;
  }
}

.cert-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cert-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cert-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cert-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.cert-search-wrapper i {
  position: absolute;
  left: 1rem;
  color: var(--cert-text-muted);
  font-size: 1rem;
}

.cert-search-input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--cert-border);
  color: var(--cert-text);
  font-size: 1rem;
  outline: none;
  transition: all 0.2s ease;
}

[data-theme="light"] .cert-search-input {
  background: #f1f5f9;
}

.cert-search-input:focus {
  border-color: var(--cert-accent);
  box-shadow: 0 0 0 3px var(--cert-accent-glow);
}

.cert-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.5rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.cert-btn-primary {
  background: var(--cert-accent);
  color: #ffffff;
  box-shadow: 0 4px 15px var(--cert-accent-glow);
}

.cert-btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.cert-btn-secondary {
  background: var(--cert-surface);
  color: var(--cert-text);
  border: 1px solid var(--cert-border);
}

.cert-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--cert-border-hover);
  transform: translateY(-2px);
}

/* Quick Select Contributor Chips */
.cert-quick-select {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.cert-quick-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cert-text-muted);
}

.cert-chips-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.cert-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.12);
  border: 1px solid var(--cert-border);
  font-size: 0.82rem;
  color: var(--cert-text);
  cursor: pointer;
  transition: all 0.2s;
}

.cert-chip img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
}

.cert-chip:hover, .cert-chip.active {
  background: rgba(34, 197, 94, 0.15);
  border-color: var(--cert-accent);
  color: var(--cert-accent);
}

/* Customization Options Bar */
.cert-options-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--cert-border);
  flex-wrap: wrap;
}

.cert-theme-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.cert-theme-btn {
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid var(--cert-border);
  color: var(--cert-text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.cert-theme-btn.active, .cert-theme-btn:hover {
  background: rgba(34, 197, 94, 0.15);
  border-color: var(--cert-accent);
  color: var(--cert-accent);
}

/* --- Certificate Workspace & Preview --- */
.cert-preview-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 3.5rem;
}

.cert-action-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.cert-canvas-frame {
  width: 100%;
  max-width: 960px;
  background: #0d131f;
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: var(--cert-shadow), 0 0 50px rgba(34, 197, 94, 0.12);
  border: 1px solid var(--cert-border);
  overflow-x: auto;
}

[data-theme="light"] .cert-canvas-frame {
  background: #f1f5f9;
}

/* =========================================================
   ACTUAL CERTIFICATE DOCUMENT CARD
   Designed to look exceptionally prestigious & authentic
   ========================================================= */

.cert-document {
  position: relative;
  width: 100%;
  min-width: 780px;
  aspect-ratio: 16 / 10.8;
  background: #ffffff;
  color: #0f172a;
  padding: 3rem 3.5rem;
  border-radius: 12px;
  box-sizing: border-box;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Theme 1: Emerald Heritage (Default) */
.cert-document.theme-emerald {
  background: radial-gradient(circle at 50% 50%, #ffffff 65%, #f0fdf4 100%);
  border: 12px double #166534;
  outline: 2px solid #bbf7d0;
  outline-offset: -8px;
}

/* Theme 2: Cyber Dark Agro */
.cert-document.theme-dark {
  background: radial-gradient(circle at 50% 50%, #0f172a 60%, #022c22 100%);
  color: #f8fafc;
  border: 12px double #22c55e;
  outline: 2px solid #14532d;
  outline-offset: -8px;
}

/* Theme 3: Royal Sapphire */
.cert-document.theme-sapphire {
  background: radial-gradient(circle at 50% 50%, #ffffff 65%, #eff6ff 100%);
  border: 12px double #1e40af;
  outline: 2px solid #bfdbfe;
  outline-offset: -8px;
}

/* Theme 4: Golden Harvest */
.cert-document.theme-gold {
  background: radial-gradient(circle at 50% 50%, #fffdfa 65%, #fef3c7 100%);
  border: 12px double #b45309;
  outline: 2px solid #fde68a;
  outline-offset: -8px;
}

/* Corner Ornaments */
.cert-corner {
  position: absolute;
  width: 44px;
  height: 44px;
  border: 3px solid #166534;
  pointer-events: none;
}
.theme-dark .cert-corner { border-color: #22c55e; }
.theme-sapphire .cert-corner { border-color: #1e40af; }
.theme-gold .cert-corner { border-color: #b45309; }

.cert-corner.top-left { top: 18px; left: 18px; border-right: 0; border-bottom: 0; }
.cert-corner.top-right { top: 18px; right: 18px; border-left: 0; border-bottom: 0; }
.cert-corner.bottom-left { bottom: 18px; left: 18px; border-right: 0; border-top: 0; }
.cert-corner.bottom-right { bottom: 18px; right: 18px; border-left: 0; border-top: 0; }

/* Watermark Background */
.cert-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.04;
  font-size: 26rem;
  color: #166534;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.theme-dark .cert-watermark { opacity: 0.05; color: #22c55e; }

/* Certificate Header */
.cert-doc-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(22, 101, 52, 0.2);
  padding-bottom: 1rem;
}
.theme-dark .cert-doc-header { border-bottom-color: rgba(34, 197, 94, 0.25); }

.cert-brand-block {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.cert-brand-block img {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  object-fit: cover;
}

.cert-brand-text h2 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #166534;
}
.theme-dark .cert-brand-text h2 { color: #22c55e; }
.theme-sapphire .cert-brand-text h2 { color: #1e40af; }
.theme-gold .cert-brand-text h2 { color: #b45309; }

.cert-brand-text p {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #64748b;
  font-weight: 600;
}

.cert-id-badge {
  text-align: right;
  font-size: 0.75rem;
  color: #64748b;
  font-family: monospace;
}
.cert-id-badge strong {
  display: block;
  font-size: 0.85rem;
  color: #166534;
}
.theme-dark .cert-id-badge strong { color: #22c55e; }

/* Certificate Body / Content */
.cert-doc-body {
  position: relative;
  z-index: 1;
  text-align: center;
  margin: 1.5rem 0;
}

.cert-main-title {
  font-family: var(--cert-font-title);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0 0 0.35rem;
  color: #0f172a;
}
.theme-dark .cert-main-title { color: #f8fafc; }
.theme-gold .cert-main-title { color: #92400e; }

.cert-sub-title {
  font-size: 0.95rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #64748b;
  margin: 0 0 1.25rem;
  font-weight: 600;
}

.cert-recipient-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin: 1rem 0;
}

.cert-recipient-avatar {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 3px solid #166534;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  object-fit: cover;
}
.theme-dark .cert-recipient-avatar { border-color: #22c55e; }
.theme-sapphire .cert-recipient-avatar { border-color: #2563eb; }
.theme-gold .cert-recipient-avatar { border-color: #d97706; }

.cert-recipient-name {
  font-family: var(--cert-font-title);
  font-size: 2.3rem;
  font-weight: 700;
  color: #166534;
  margin: 0;
  line-height: 1.1;
}
.theme-dark .cert-recipient-name { color: #4ade80; }
.theme-sapphire .cert-recipient-name { color: #2563eb; }
.theme-gold .cert-recipient-name { color: #b45309; }

.cert-recipient-handle {
  font-size: 0.95rem;
  color: #64748b;
  font-weight: 600;
  margin-top: 0.2rem;
}

.cert-statement {
  max-width: 640px;
  margin: 1rem auto 1.25rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #334155;
}
.theme-dark .cert-statement { color: #cbd5e1; }

.cert-stats-ribbon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 0.55rem 1.75rem;
  border-radius: 999px;
  background: rgba(22, 101, 52, 0.08);
  border: 1px solid rgba(22, 101, 52, 0.2);
  margin-top: 0.25rem;
}
.theme-dark .cert-stats-ribbon {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.3);
}

.cert-stat-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #0f172a;
}
.theme-dark .cert-stat-item { color: #f8fafc; }
.cert-stat-item i { color: #16a34a; }
.theme-dark .cert-stat-item i { color: #4ade80; }

/* Certificate Footer & Seal */
.cert-doc-footer {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: flex-end;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(22, 101, 52, 0.2);
}
.theme-dark .cert-doc-footer { border-top-color: rgba(34, 197, 94, 0.25); }

.cert-sign-col {
  text-align: left;
}

.cert-sign-col.right {
  text-align: right;
}

.cert-signature-line {
  width: 140px;
  border-bottom: 1.5px solid #64748b;
  margin-bottom: 0.35rem;
}
.cert-sign-col.right .cert-signature-line {
  margin-left: auto;
}

.cert-signer-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: #0f172a;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.theme-dark .cert-signer-title { color: #f8fafc; }

.cert-signer-sub {
  font-size: 0.7rem;
  color: #64748b;
}

/* Medallion / Seal */
.cert-seal {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, #f59e0b 0%, #b45309 100%);
  box-shadow: 0 4px 15px rgba(217, 119, 6, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  border: 2px dashed rgba(255, 255, 255, 0.6);
  outline: 3px solid #b45309;
  outline-offset: 2px;
  text-align: center;
  margin: 0 auto;
}

.cert-seal i {
  font-size: 1.3rem;
}

.cert-seal span {
  font-size: 0.58rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* Toast Notifications */
.cert-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 0.9rem 1.5rem;
  background: #0f172a;
  color: #ffffff;
  border-radius: 12px;
  border: 1px solid var(--cert-accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 9999;
}

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

/* --- Print Stylesheet --- */
@media print {
  body * {
    visibility: hidden;
  }
  .cert-canvas-frame, .cert-document, .cert-document * {
    visibility: visible;
  }
  .cert-canvas-frame {
    position: absolute;
    left: 0;
    top: 0;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }
  .cert-document {
    box-shadow: none !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 0 !important;
  }
  @page {
    size: A4 landscape;
    margin: 1cm;
  }
}