@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,400&display=swap');

:root {
  --green: #1D9E75;
  --green-light: #E1F5EE;
  --green-dark: #0F6E56;
  --green-deep: #085041;
  --amber: #EF9F27;
  --red: #E24B4A;
  --text: #1a1a1a;
  --text-muted: #6b6b6b;
  --text-subtle: #9b9b9b;
  --border: rgba(0,0,0,0.09);
  --border-med: rgba(0,0,0,0.15);
  --bg: #fafaf8;
  --bg-card: #ffffff;
  --bg-subtle: #f4f4f0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 99px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-hover: 0 2px 8px rgba(0,0,0,0.08), 0 8px 32px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, .logo { font-family: 'Syne', sans-serif; }
a { text-decoration: none; color: inherit; }

.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,250,248,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.logo { font-size: 20px; font-weight: 700; letter-spacing: -0.5px; color: var(--text); }
.logo span { color: var(--green); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--radius-sm); font-size: 14px; font-family: 'DM Sans', sans-serif; font-weight: 500; cursor: pointer; transition: all 0.15s; border: 1px solid transparent; }
.btn-ghost { background: transparent; border-color: var(--border-med); color: var(--text-muted); }
.btn-ghost:hover { border-color: var(--text-muted); color: var(--text); }
.btn-primary { background: var(--green); color: white; }
.btn-primary:hover { background: var(--green-dark); }
.btn-outline-green { background: transparent; border-color: var(--green); color: var(--green); }
.btn-outline-green:hover { background: var(--green-light); }

.hero { padding: 64px 24px 48px; max-width: 860px; margin: 0 auto; text-align: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--green-light); color: var(--green-dark); padding: 5px 14px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 500; margin-bottom: 24px; }
.hero h1 { font-size: clamp(28px, 5vw, 48px); font-weight: 700; line-height: 1.15; letter-spacing: -1px; color: var(--text); margin-bottom: 16px; }
.hero h1 em { font-style: normal; color: var(--green); }
.hero p { font-size: 17px; color: var(--text-muted); max-width: 480px; margin: 0 auto 32px; line-height: 1.7; }

.search-wrap { max-width: 540px; margin: 0 auto; position: relative; }
.search-wrap input { width: 100%; padding: 16px 120px 16px 20px; font-size: 15px; font-family: 'DM Sans', sans-serif; border: 1.5px solid var(--border-med); border-radius: var(--radius); background: var(--bg-card); color: var(--text); transition: border-color 0.15s, box-shadow 0.15s; outline: none; }
.search-wrap input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(29,158,117,0.12); }
.search-wrap input::placeholder { color: var(--text-subtle); }
.search-btn { position: absolute; right: 6px; top: 6px; padding: 9px 18px; background: var(--green); color: white; border: none; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; font-family: 'DM Sans', sans-serif; cursor: pointer; }
.search-btn:hover { background: var(--green-dark); }

.stats-bar { display: flex; justify-content: center; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-card); }
.stat { flex: 1; max-width: 200px; padding: 20px 16px; text-align: center; border-right: 1px solid var(--border); }
.stat:last-child { border-right: none; }
.stat-num { font-family: 'Syne', sans-serif; font-size: 26px; font-weight: 700; color: var(--text); letter-spacing: -0.5px; }
.stat-label { font-size: 12px; color: var(--text-subtle); margin-top: 2px; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 40px 0; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.section-title { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 600; letter-spacing: -0.3px; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.chip { padding: 6px 14px; border-radius: var(--radius-pill); border: 1px solid var(--border-med); font-size: 13px; color: var(--text-muted); cursor: pointer; background: transparent; font-family: 'DM Sans', sans-serif; transition: all 0.15s; }
.chip:hover { border-color: var(--green); color: var(--green); }
.chip.active { background: var(--green-light); border-color: var(--green); color: var(--green-dark); font-weight: 500; }

.courses-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.course-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; cursor: pointer; transition: all 0.2s; display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.course-card:hover { border-color: var(--green); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.card-cat { display: inline-block; margin-bottom: 12px; padding: 3px 10px; border-radius: var(--radius-pill); font-size: 11px; font-weight: 500; }
.cat-drop { background: #E6F1FB; color: #185FA5; }
.cat-trade { background: #FAEEDA; color: #854F0B; }
.cat-copy { background: #EEEDFE; color: #534AB7; }
.cat-immo { background: #EAF3DE; color: #3B6D11; }
.cat-smm { background: #FBEAF0; color: #993556; }
.cat-biz { background: #FCEBEB; color: #A32D2D; }
.card-title { font-family: 'Syne', sans-serif; font-size: 15px; font-weight: 600; line-height: 1.3; margin-bottom: 4px; }
.card-creator { font-size: 12px; color: var(--text-subtle); margin-bottom: 14px; }
.stars-row { display: flex; align-items: center; gap: 6px; margin-bottom: 14px; }
.star-filled { color: var(--amber); }
.star-empty { color: #ddd; }
.rating-val { font-weight: 600; font-size: 14px; }
.rating-ct { font-size: 12px; color: var(--text-subtle); }
.card-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; margin-top: auto; border-top: 1px solid var(--border); }
.card-price { font-weight: 600; font-size: 14px; }
.verified-pill { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--green-dark); background: var(--green-light); padding: 3px 8px; border-radius: var(--radius-pill); }

.review-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 12px; }
.review-header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 13px; flex-shrink: 0; font-family: 'Syne', sans-serif; }
.av-green { background: #E1F5EE; color: #0F6E56; }
.av-amber { background: #FAEEDA; color: #854F0B; }
.av-blue { background: #E6F1FB; color: #185FA5; }
.av-purple { background: #EEEDFE; color: #534AB7; }
.reviewer-name { font-weight: 500; font-size: 14px; }
.review-meta { font-size: 12px; color: var(--text-subtle); margin-top: 1px; }
.review-stars { margin-left: auto; font-size: 13px; letter-spacing: 1px; }
.review-text { font-size: 14px; color: var(--text-muted); line-height: 1.65; margin-bottom: 10px; }
.proof-tag { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--green-dark); background: var(--green-light); padding: 3px 10px; border-radius: var(--radius-pill); }

.form-page { max-width: 580px; margin: 0 auto; padding: 40px 24px; }
.form-group { margin-bottom: 20px; }
label { display: block; font-size: 13px; font-weight: 500; color: var(--text); margin-bottom: 6px; }
label span { color: var(--green); }
input[type="text"], input[type="email"], input[type="number"], select, textarea { width: 100%; padding: 11px 14px; font-size: 14px; font-family: 'DM Sans', sans-serif; border: 1px solid var(--border-med); border-radius: var(--radius-sm); background: var(--bg-card); color: var(--text); transition: border-color 0.15s; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(29,158,117,0.12); }
textarea { resize: vertical; min-height: 100px; }
.upload-zone { border: 1.5px dashed var(--border-med); border-radius: var(--radius); padding: 28px; text-align: center; cursor: pointer; transition: all 0.15s; background: var(--bg-subtle); }
.upload-zone:hover { border-color: var(--green); background: var(--green-light); }
.star-rating { display: flex; gap: 6px; margin-top: 4px; }
.star-btn { font-size: 28px; cursor: pointer; color: #ddd; background: none; border: none; transition: color 0.1s; line-height: 1; }
.star-btn:hover, .star-btn.active { color: var(--amber); }
.form-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.form-title { font-family: 'Syne', sans-serif; font-size: 22px; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 6px; }
.form-subtitle { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; }

.detail-hero { background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 40px 24px; }
.detail-inner { max-width: 900px; margin: 0 auto; }
.detail-top { display: flex; gap: 32px; align-items: flex-start; }
.detail-info { flex: 1; }
.score-big { text-align: center; padding: 20px; background: var(--bg-subtle); border-radius: var(--radius); min-width: 140px; }
.score-num { font-family: 'Syne', sans-serif; font-size: 52px; font-weight: 700; line-height: 1; color: var(--text); letter-spacing: -2px; }
.score-stars { font-size: 18px; letter-spacing: 2px; margin: 4px 0; }
.score-ct { font-size: 12px; color: var(--text-subtle); }
.detail-title { font-family: 'Syne', sans-serif; font-size: 28px; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 6px; }
.detail-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.meta-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.dist-row { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; font-size: 13px; }
.dist-label { width: 16px; text-align: right; color: var(--text-muted); }
.dist-bar-bg { flex: 1; background: #eee; border-radius: 99px; height: 8px; }
.dist-bar-fill { height: 8px; border-radius: 99px; background: var(--amber); }
.dist-count { width: 30px; color: var(--text-subtle); font-size: 12px; }

.tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 28px; }
.tab { padding: 12px 20px; font-size: 14px; font-weight: 500; color: var(--text-muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all 0.15s; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--green); border-bottom-color: var(--green); }

footer { border-top: 1px solid var(--border); padding: 32px 24px; text-align: center; font-size: 13px; color: var(--text-subtle); margin-top: 60px; }
.toast { position: fixed; bottom: 24px; right: 24px; background: var(--text); color: white; padding: 14px 20px; border-radius: var(--radius); font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 10px; box-shadow: 0 8px 32px rgba(0,0,0,0.2); transform: translateY(80px); opacity: 0; transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1); z-index: 999; }
.toast.show { transform: translateY(0); opacity: 1; }
.empty { text-align: center; padding: 48px 24px; color: var(--text-subtle); }
.tag-danger { display: inline-flex; align-items: center; gap: 5px; background: #FCEBEB; color: #A32D2D; font-size: 12px; padding: 4px 10px; border-radius: var(--radius-pill); }
.hidden { display: none !important; }

@media (max-width: 640px) {
  .hero { padding: 40px 16px 32px; }
  .detail-top { flex-direction: column; }
  .nav { padding: 0 16px; }
  .container { padding: 0 16px; }
  .courses-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 400px) {
  .courses-grid { grid-template-columns: 1fr; }
}