/* Situation Guides CSS - Seoul Waste Guide */
:root {
  --ink: #20231f;
  --muted: #6f756f;
  --line: #e9e8e3;
  --paper: #fffdf9;
  --soft: #f5f3ed;
  --orange: #f15b2a;
  --orange-soft: #fff0e8;
  --blue: #2563eb;
  --blue-soft: #eff6ff;
  --red: #dc2626;
  --red-soft: #fef2f2;
  --shadow: 0 18px 50px rgba(45, 42, 35, 0.12);
  --shadow-sm: 0 4px 14px rgba(45, 42, 35, 0.06);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  background-color: var(--soft);
  color: var(--ink);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* Header */
.situations-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 253, 249, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.situations-header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.15rem;
}

.situations-header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.situations-nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.situations-nav-btn {
  background: var(--orange-soft);
  color: var(--orange);
  border: 1px solid rgba(241, 91, 42, 0.2);
  padding: 6px 14px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.situations-nav-btn:hover {
  background: var(--orange);
  color: #fff;
}

/* Main Container */
.situations-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

/* Hero Section */
.situations-hero {
  text-align: center;
  margin-bottom: 40px;
}

.situations-hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.situations-hero p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 700px;
  margin: 0 auto 28px;
}

/* Search Box */
.situations-search-box {
  position: relative;
  max-width: 600px;
  margin: 0 auto 24px;
}

.situations-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  opacity: 0.6;
}

.situations-search-input {
  width: 100%;
  padding: 16px 20px 16px 52px;
  font-size: 1.05rem;
  border: 2px solid var(--line);
  border-radius: 30px;
  background: var(--paper);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.situations-search-input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(241, 91, 42, 0.12);
}

/* Grid View */
.situations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.situations-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
}

.situations-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--orange);
}

.situations-card-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: #f4efe6;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  border: 1px solid #e5dfd3;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.8);
}

.situations-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.situations-card-summary {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.situations-card-btn {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
}

/* Detail View */
.situations-detail {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.situations-back-btn {
  background: var(--soft);
  border: 1px solid var(--line);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.situations-back-btn:hover {
  background: var(--line);
}

.situations-detail-title {
  font-size: 2rem;
  font-weight: 800;
  margin: 12px 0 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.situations-detail-desc {
  font-size: 1.05rem;
  color: #374151;
  margin-bottom: 28px;
  line-height: 1.7;
}

.situations-box {
  background: var(--soft);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.situations-box h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

.situations-step-list {
  padding-left: 20px;
}

.situations-step-list li {
  margin-bottom: 12px;
  font-weight: 500;
  line-height: 1.6;
}

.situations-warning-box {
  background: #fefce8;
  border: 1px solid rgba(234, 179, 8, 0.3);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
}

.situations-warning-box h4 {
  margin: 0 0 8px;
  color: #854d0e;
  font-size: 1.1rem;
}

.situations-fine-box {
  background: var(--red-soft);
  border: 1px solid rgba(220, 38, 38, 0.2);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
}

.situations-fine-box h4 {
  margin: 0 0 8px;
  color: var(--red);
  font-size: 1.1rem;
}

.situations-faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 12px;
}

.situations-faq-q {
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.situations-faq-a {
  font-size: 0.95rem;
  color: #4b5563;
}

.situations-footer {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
  margin-top: 60px;
}

.situations-footer a {
  color: var(--orange);
  text-decoration: none;
}

@media (max-width: 640px) {
  .situations-hero h1 { font-size: 1.7rem; }
  .situations-detail { padding: 20px; }
  .situations-header {
    padding: 10px 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .situations-header-logo {
    justify-content: center;
  }
  .situations-header-nav {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 5px !important;
    width: 100% !important;
  }
  .situations-nav-link,
  .situations-nav-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    padding: 6px 4px !important;
    font-size: 0.76rem !important;
    border-radius: 8px !important;
    background: #f8f7f2;
    border: 1px solid #e9e8e3;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}