/* Premium Platform CSS Variables (Themeable) */
:root {
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-sub: #475569;
  --text-muted: #64748b;
  --primary: #0c2340;
  --primary-hover: #1e3a60;
  --accent: #00d4b2;
  --border-color: #e2e8f0;
  --ad-bg: #f1f5f9;
  --ad-border: #cbd5e1;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 30px rgba(12, 35, 64, 0.08);
  --soft-blue: #eff6ff;
  --soft-green: #f0fdf4;
  --soft-orange: #fff7ed;
  --soft-purple: #faf5ff;
}

[data-theme="dark"] {
  --bg-color: #0b0f19;
  --card-bg: #151e2e;
  --text-main: #f8fafc;
  --text-sub: #cbd5e1;
  --text-muted: #94a3b8;
  --primary: #1e293b;
  --primary-hover: #334155;
  --accent: #00f0cc;
  --border-color: #1e293b;
  --ad-bg: #1e293b;
  --ad-border: #334155;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
  --soft-blue: #1e293b;
  --soft-green: #142820;
  --soft-orange: #2a1e15;
  --soft-purple: #231630;
}

/* Global Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Noto Sans KR', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 16px;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Nav */
.header {
  background-color: var(--primary);
  color: #ffffff;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo-accent {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  padding: 5px 0;
  border-bottom: 2px solid transparent;
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link.text-warning {
  color: #ffb800;
}

.nav-link.text-warning:hover {
  color: #ffe066;
}

/* Theme Toggle Button */
.btn-theme-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.btn-theme-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

/* Hero Section V2 (Platform Style) */
.hero-v2 {
  background: linear-gradient(135deg, var(--primary) 0%, #1e3a60 100%);
  color: #ffffff;
  padding: 80px 0 120px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-v2-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #e2e8f0;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.text-mint {
  color: var(--accent);
}

.hero-v2 h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 15px;
  letter-spacing: -0.5px;
}

.hero-v2 .highlight {
  color: var(--accent);
  background: linear-gradient(120deg, rgba(0, 212, 178, 0.15) 0%, rgba(0, 212, 178, 0.05) 100%);
  padding: 0 8px;
  border-radius: 4px;
}

.hero-v2-desc {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 40px;
  max-width: 650px;
}

/* Integrated Search Platform Card */
.search-platform-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 900px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.search-platform-form {
  width: 100%;
}

.form-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr auto;
  gap: 16px;
  align-items: flex-end;
}

.input-group {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.input-group label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-sub);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-icon {
  font-size: 0.9rem;
}

.input-group input, .input-group select {
  padding: 12px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  background-color: var(--card-bg);
  color: var(--text-main);
  transition: all 0.2s ease;
  width: 100%;
}

.input-group input:focus, .input-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 178, 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  font-family: inherit;
}

.btn-primary {
  background-color: #0066cc;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #0052a3;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

.btn-secondary {
  background-color: var(--border-color);
  color: var(--text-sub);
}

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

.btn-platform-search {
  background-color: var(--primary);
  color: #ffffff;
  width: 100%;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-platform-search:hover {
  background-color: var(--primary-hover);
  color: var(--accent);
  box-shadow: 0 4px 15px rgba(12, 35, 64, 0.3);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--text-main);
  padding: 8px 18px;
  font-size: 0.88rem;
}

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

/* Category Icon Grids */
.category-icon-section {
  margin-top: -60px;
  margin-bottom: 50px;
  position: relative;
  z-index: 10;
}

.section-title-wrapper {
  text-align: center;
  margin-bottom: 25px;
}

.section-title-wrapper-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 25px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 12px;
}

.section-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.category-icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.category-icon-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.category-icon-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.cat-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.bg-soft-blue { background-color: var(--soft-blue); }
.bg-soft-green { background-color: var(--soft-green); }
.bg-soft-orange { background-color: var(--soft-orange); }
.bg-soft-purple { background-color: var(--soft-purple); }

.category-icon-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.category-icon-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Quick Shortcuts */
.quick-shortcuts {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 20px;
  margin-bottom: 40px;
}

.shortcut-box {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.shortcut-box h3 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  padding-left: 8px;
  border-left: 3px solid var(--accent);
}

.shortcut-flex {
  display: flex;
  gap: 10px;
}

.shortcut-item-btn {
  flex: 1;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-sub);
  padding: 12px;
  text-align: center;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  transition: all 0.2s ease;
}

.shortcut-item-btn:hover {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.shortcut-badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  gap: 8px;
}

.region-badge {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-sub);
  padding: 8px;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.region-badge:hover {
  background-color: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
  font-weight: 700;
}

/* Premium Card UI V2 */
.card-grid-v2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 25px;
}

.support-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.support-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.card-tags {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
}

.badge-status {
  background-color: #e6fcf5;
  color: #0ca678;
}

.badge-status.closed {
  background-color: #f1f3f5;
  color: #868e96;
}

.badge-status.urgent {
  background-color: #fff0f6;
  color: #d6336c;
  animation: pulse 2s infinite;
}

.badge-region {
  background-color: var(--soft-blue);
  color: #0066cc;
}

.badge-category {
  background-color: #f1f3f5;
  color: #495057;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.45;
  margin-bottom: 10px;
  height: 3.1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-title a:hover {
  color: var(--accent);
}

.card-summary {
  font-size: 0.88rem;
  color: var(--text-sub);
  margin-bottom: 20px;
  height: 2.6rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-agency {
  font-weight: 700;
  color: var(--text-sub);
}

.card-period {
  font-size: 0.8rem;
}

/* Premium Ad slots */
.ad-slot-feed {
  background-color: var(--ad-bg);
  border: 1px dashed var(--ad-border);
  padding: 20px;
  text-align: center;
  border-radius: 8px;
  margin: 25px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ad-label, .ad-label-article {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.ad-desc, .ad-desc-article {
  font-size: 0.88rem;
  color: var(--text-sub);
  font-weight: 500;
}

.ad-slot-in-article {
  background-color: var(--ad-bg);
  border: 1px dashed var(--ad-border);
  padding: 16px;
  text-align: center;
  border-radius: 8px;
  margin-bottom: 25px;
}

/* List Page v2 */
.list-page-container-v2 {
  padding-top: 30px;
  padding-bottom: 50px;
}

.breadcrumb-v2 {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 15px;
}

.breadcrumb-v2 .arrow {
  margin: 0 6px;
}

.breadcrumb-v2 a:hover {
  text-decoration: underline;
}

.list-title-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 25px;
  flex-wrap: wrap;
  gap: 15px;
}

.page-title-v2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.page-subtitle-v2 {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.total-badge-v2 {
  background-color: var(--soft-blue);
  color: #0066cc;
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 30px;
}

.filter-card-v2 {
  max-width: 100%;
  margin-bottom: 30px;
}

.form-grid-list {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr auto;
  gap: 12px;
  align-items: flex-end;
}

.btn-reset-v2 {
  width: 100%;
  height: 46px;
}

/* Detail Page v2 */
.detail-page-container-v2 {
  padding-top: 30px;
  padding-bottom: 50px;
}

.detail-card-v2 {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.detail-header-v2 {
  border-bottom: 1.5px solid var(--border-color);
  padding-bottom: 25px;
  margin-bottom: 30px;
}

.detail-badge-row {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.badge-status-v2 {
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 800;
  border-radius: 6px;
}

.badge-status-v2.urgent {
  background-color: #fff0f6;
  color: #d6336c;
}

.badge-region-v2 {
  background-color: var(--soft-blue);
  color: #0066cc;
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 6px;
}

.badge-category-v2 {
  background-color: var(--soft-purple);
  color: #8420e7;
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 6px;
}

.detail-title-v2 {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 15px;
  letter-spacing: -0.5px;
}

.detail-summary-v2 {
  font-size: 1.1rem;
  color: var(--text-sub);
  margin-bottom: 25px;
  font-style: italic;
  font-weight: 500;
  background-color: var(--bg-color);
  padding: 15px 20px;
  border-radius: 8px;
  border-left: 4px solid var(--accent);
}

.detail-meta-v2 {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.meta-item-v2 strong {
  color: var(--text-sub);
}

/* Detail Info Summary Box */
.summary-box-v2 {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 35px;
}

.summary-box-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 18px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.summary-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.summary-icon {
  font-size: 1.8rem;
}

.summary-body {
  display: flex;
  flex-direction: column;
}

.summary-body label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.summary-body strong {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 3px;
}

.target-badges-wrapper {
  margin-top: 3px;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

/* Detail Content Section */
.detail-body-section {
  margin-bottom: 40px;
}

.section-subtitle-detail {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 15px;
  border-bottom: 2.5px solid var(--accent);
  padding-bottom: 8px;
  display: inline-block;
}

.detail-content-v2 {
  font-size: 1.05rem;
  line-height: 1.95;
  color: var(--text-sub);
  white-space: pre-line;
}

.detail-actions-v2 {
  display: flex;
  gap: 15px;
  border-top: 1.5px solid var(--border-color);
  padding-top: 30px;
  flex-wrap: wrap;
}

.btn-apply-v2 {
  flex: 1.8;
  font-size: 1.05rem;
  padding: 14px 28px;
  background-color: var(--primary);
  color: #ffffff;
}

.btn-apply-v2:hover {
  background-color: var(--primary-hover);
  color: var(--accent);
}

.btn-back-v2 {
  flex: 1;
  font-size: 1.02rem;
  padding: 14px 28px;
}

/* Notice Card */
.notice-card {
  background-color: var(--soft-orange);
  border: 1px solid #ffedd5;
  border-radius: 10px;
  padding: 20px;
  display: flex;
  gap: 15px;
  align-items: flex-start;
  color: #9a3412;
}

.notice-icon {
  font-size: 1.4rem;
}

.notice-body p {
  font-size: 0.88rem;
  line-height: 1.55;
}

/* Footer styling */
.footer {
  background-color: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 50px 0 35px;
  margin-top: 80px;
  font-size: 0.85rem;
  border-top: 4px solid var(--accent);
  transition: background-color 0.3s ease;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-info {
  max-width: 600px;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
}

.footer-logo span {
  color: var(--accent);
}

.footer-info p {
  margin-bottom: 8px;
}

.footer-info .text-muted {
  margin-top: 15px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.mt-5 { margin-top: 40px; }
.mt-4 { margin-top: 25px; }

/* Micro keyframe animations */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

/* Premium Responsive Grid adaptations */
@media (max-width: 992px) {
  .form-grid-list {
    grid-template-columns: 1fr 1fr;
  }
  .btn-reset-v2 {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
  .nav {
    justify-content: center;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 5px;
  }
  .hero-v2 {
    padding: 50px 0 80px;
  }
  .hero-v2 h1 {
    font-size: 1.8rem;
  }
  .hero-v2-desc {
    font-size: 0.95rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .btn-platform-search {
    margin-top: 8px;
  }
  .category-icon-section {
    margin-top: -30px;
    padding: 0 10px;
  }
  .quick-shortcuts {
    grid-template-columns: 1fr;
    padding: 0 10px;
  }
  .card-grid-v2 {
    grid-template-columns: 1fr;
  }
  .detail-card-v2 {
    padding: 20px;
  }
  .detail-title-v2 {
    font-size: 1.5rem;
  }
  .summary-grid {
    grid-template-columns: 1fr;
  }
  .btn-apply-v2, .btn-back-v2 {
    width: 100%;
    flex: none;
  }
}

/* Deep Internal Navigation Directory */
.internal-directory-box {
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.internal-directory-box h3 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 18px;
  padding-left: 8px;
  border-left: 3px solid var(--accent);
}

.dir-group h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-sub);
  margin-bottom: 10px;
}

.dir-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.dir-links a {
  background-color: var(--bg-color);
  border: 1.5px solid var(--border-color);
  color: var(--text-sub);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.dir-links a:hover {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}