@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Barlow+Condensed:wght@400;600;700;800;900&family=Barlow:wght@300;400;500;600&display=swap');

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

:root {
  --bg: #080B10;
  --surface: #0F1318;
  --surface2: #161C24;
  --border: #1E2A38;
  --blue: #0A84FF;
  --green: #00C853;
  --red: #FF3B30;
  --yellow: #FFD60A;
  --text: #E8EDF2;
  --text-dim: #6B7B8D;
  --text-mid: #9AAAB8;
  --mono: 'Share Tech Mono', monospace;
  --display: 'Barlow Condensed', sans-serif;
  --body: 'Barlow', sans-serif;
}

body { background: var(--bg); color: var(--text); font-family: var(--body); min-height: 100vh; }

/* NAV */
.nav {
  background: rgba(8,11,16,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 56px;
}
.nav-logo {
  font-family: var(--display); font-weight: 900; font-size: 20px;
  letter-spacing: 0.05em; color: var(--text); text-decoration: none;
}
.nav-logo span { color: var(--blue); }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-btn {
  background: none; border: none; color: var(--text-mid);
  font-family: var(--display); font-weight: 600; font-size: 14px;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 4px; cursor: pointer;
  text-decoration: none; transition: all 0.15s; display: inline-block;
}
.nav-btn:hover, .nav-btn.active { color: var(--text); background: var(--surface2); }
.nav-btn.active { color: var(--blue); }
.nav-right { display: flex; gap: 8px; align-items: center; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--display); font-weight: 700; font-size: 14px;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 8px 16px; border-radius: 4px; cursor: pointer;
  border: none; transition: all 0.15s; text-decoration: none;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #2196F3; }
.btn-outline { background: transparent; color: var(--blue); border: 1px solid var(--blue); }
.btn-outline:hover { background: rgba(10,132,255,0.1); }
.btn-ghost { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--text-dim); }
.btn-red { background: var(--red); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* PAGE */
.page { flex: 1; padding: 32px 24px; max-width: 1100px; margin: 0 auto; width: 100%; }

/* HERO */
.hero {
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); padding: 64px 48px;
  margin-bottom: 32px; position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), #00C8FF, var(--blue));
}
.hero-tag { font-family: var(--mono); font-size: 12px; color: var(--blue); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 16px; }
.hero-title { font-family: var(--display); font-weight: 900; font-size: clamp(40px,6vw,72px); line-height: 0.95; letter-spacing: -0.01em; margin-bottom: 20px; }
.hero-title span { color: var(--blue); }
.hero-sub { font-size: 18px; color: var(--text-mid); max-width: 540px; line-height: 1.6; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* CARDS */
.cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-bottom: 32px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 24px; text-decoration: none; color: inherit;
  transition: all 0.2s; display: block;
}
.card:hover { border-color: var(--blue); transform: translateY(-2px); }
.card-icon { font-size: 28px; margin-bottom: 12px; }
.card-title { font-family: var(--display); font-weight: 800; font-size: 18px; letter-spacing: 0.04em; margin-bottom: 6px; }
.card-desc { font-size: 14px; color: var(--text-dim); line-height: 1.5; }

/* STATS */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 20px; }
.stat-num { font-family: var(--display); font-weight: 900; font-size: 32px; color: var(--blue); }
.stat-label { font-size: 13px; color: var(--text-dim); margin-top: 4px; }

/* SECTION HEADER */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.section-title { font-family: var(--display); font-weight: 900; font-size: 28px; letter-spacing: 0.03em; }
.section-title span { color: var(--blue); }
.section-sub { font-size: 14px; color: var(--text-dim); margin-top: 4px; }

/* BADGES */
.badge { font-family: var(--mono); font-size: 11px; padding: 3px 8px; border-radius: 3px; letter-spacing: 0.1em; }
.badge-blue { background: rgba(10,132,255,0.15); color: var(--blue); border: 1px solid rgba(10,132,255,0.3); }
.badge-green { background: rgba(0,200,83,0.15); color: var(--green); border: 1px solid rgba(0,200,83,0.3); }
.badge-red { background: rgba(255,59,48,0.15); color: var(--red); border: 1px solid rgba(255,59,48,0.3); }
.badge-yellow { background: rgba(255,214,10,0.15); color: var(--yellow); border: 1px solid rgba(255,214,10,0.3); }

/* TABLES */
.wtb-intro {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--blue);
  border-radius: 8px; padding: 20px 24px; margin-bottom: 24px;
  font-size: 15px; line-height: 1.6; color: var(--text-mid);
}
.wtb-intro strong { color: var(--text); }
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-bottom: 24px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead tr { background: var(--surface2); }
th { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
td { padding: 12px 16px; font-size: 14px; border-bottom: 1px solid rgba(30,42,56,0.6); color: var(--text); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(10,132,255,0.04); }
.qty { font-family: var(--mono); font-weight: bold; color: var(--blue); }
.grade-green { font-family: var(--mono); color: var(--green); }
.price-col { font-family: var(--mono); font-weight: bold; color: var(--yellow); }
.total-row td { background: var(--surface2); }

.wtb-footer {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 8px; padding: 20px 24px;
  font-size: 15px; color: var(--text-mid); line-height: 1.8;
}

/* FORMS */
.form-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 28px; margin-bottom: 24px; }
.form-wrap h3 { font-family: var(--display); font-weight: 800; font-size: 20px; letter-spacing: 0.04em; margin-bottom: 20px; }
.form-row { display: flex; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.form-group { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 200px; }
.form-group.short { flex: 0 0 160px; }
.form-group label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); }
.form-group input, .form-group select, .form-group textarea {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 4px; padding: 10px 12px;
  font-family: var(--body); font-size: 14px; color: var(--text);
  outline: none; transition: border-color 0.15s; width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue); }
.form-group select option { background: var(--bg); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-actions { margin-top: 6px; }

/* MESSAGES */
.msg { font-size: 14px; padding: 12px 16px; border-radius: 4px; margin-bottom: 16px; }
.msg-error { color: var(--red); background: rgba(255,59,48,0.1); border: 1px solid rgba(255,59,48,0.3); }
.msg-success { color: var(--green); background: rgba(0,200,83,0.1); border: 1px solid rgba(0,200,83,0.3); }

/* BOARD POSTS */
.posts { display: flex; flex-direction: column; gap: 16px; }
.post { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 20px 24px; }
.post:hover { border-color: rgba(10,132,255,0.3); }
.post-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 10px; gap: 12px; }
.post-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.post-user { font-family: var(--mono); font-size: 13px; color: var(--blue); }
.post-time { font-size: 12px; color: var(--text-dim); }
.post-title { font-family: var(--display); font-weight: 700; font-size: 17px; letter-spacing: 0.03em; margin-bottom: 8px; }
.post-body { font-size: 14px; color: var(--text-mid); line-height: 1.6; white-space: pre-wrap; }

/* AUTH MODAL */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.75); display: flex; align-items: center; justify-content: center; z-index: 200; padding: 24px; }
.modal { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 36px; width: 100%; max-width: 420px; }
.modal-title { font-family: var(--display); font-weight: 900; font-size: 28px; letter-spacing: 0.03em; margin-bottom: 4px; }
.modal-sub { font-size: 14px; color: var(--text-dim); margin-bottom: 24px; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-info { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 32px; }
.contact-info h3 { font-family: var(--display); font-weight: 800; font-size: 22px; margin-bottom: 20px; }
.contact-row { margin-bottom: 18px; }
.contact-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 4px; }
.contact-val { font-size: 16px; }
.contact-val a { color: var(--blue); text-decoration: none; }

/* GRADING */
.grade-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-bottom: 24px; }
.grade-card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 24px; }
.grade-label { font-family: var(--mono); font-size: 22px; font-weight: bold; margin-bottom: 8px; }
.grade-desc { font-size: 14px; color: var(--text-mid); line-height: 1.6; }

/* USER CHIP */
.user-chip { display: flex; align-items: center; gap: 8px; background: var(--surface2); border: 1px solid var(--border); border-radius: 4px; padding: 5px 10px; font-family: var(--mono); font-size: 12px; color: var(--text-mid); }
.user-dot { width: 7px; height: 7px; background: var(--green); border-radius: 50%; display: inline-block; }

/* FILTERS */
.filter-bar { display: flex; gap: 8px; margin-bottom: 20px; }

.empty-state { text-align: center; padding: 64px 24px; color: var(--text-dim); }
.empty-state h3 { font-family: var(--display); font-weight: 800; font-size: 20px; color: var(--text-mid); margin-bottom: 8px; }

.lock-notice { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 48px 24px; text-align: center; margin-bottom: 24px; }
.lock-notice h3 { font-family: var(--display); font-weight: 800; font-size: 22px; margin-bottom: 8px; }
.lock-notice p { color: var(--text-dim); margin-bottom: 20px; }
.lock-notice-actions { display: flex; gap: 12px; justify-content: center; }

.spacer { height: 1px; background: var(--border); margin: 28px 0; }

@media (max-width: 768px) {
  .cards { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .grade-grid { grid-template-columns: 1fr; }
  .hero { padding: 32px 24px; }
}