/* ============================================
   Op3nHut Agent - Design System
   Font: Inter | Theme: Dark Refined
   ============================================ */

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

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

:root {
  --bg: #09090b;
  --bg-card: #131316;
  --bg-elevated: #1a1a1f;
  --bg-input: #0e0e11;
  --border: #1e1e24;
  --border-hover: #2e2e36;
  --text: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-soft: rgba(59, 130, 246, 0.12);
  --accent: #a78bfa;
  --accent-soft: rgba(167, 139, 250, 0.12);
  --success: #22c55e;
  --success-soft: rgba(34, 197, 94, 0.12);
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.12);
  --telegram: #29b6f6;
  --telegram-soft: rgba(41, 182, 246, 0.12);
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ---- LAYOUT ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px; }
.container-sm { max-width: 800px; margin: 0 auto; padding: 24px 20px; }
.container-xs { max-width: 440px; margin: 0 auto; padding: 24px 20px; }

/* ---- HEADER ---- */
.header {
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo { display: flex; align-items: center; gap: 10px; transition: opacity var(--transition); }
.header-logo:hover { opacity: 0.8; }
.header-logo img { height: 36px; }

.header-nav { display: flex; align-items: center; gap: 20px; }
.header-link { color: var(--text-muted); font-size: 14px; font-weight: 500; transition: color var(--transition); }
.header-link:hover { color: var(--text); }

.user-badge {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-secondary); font-size: 13px; font-weight: 500;
}

/* ---- BOTTOM NAV ---- */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(9, 9, 11, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding: 6px 0 env(safe-area-inset-bottom, 6px);
  display: flex;
  justify-content: space-around;
  z-index: 1000;
}

.nav-item {
  flex: 1;
  display: flex; flex-direction: column; align-items: center;
  padding: 6px 4px;
  color: var(--text-muted);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition);
  min-height: 44px; justify-content: center;
}

.nav-item i { font-size: 18px; margin-bottom: 3px; }
.nav-item.active { color: var(--primary); }
.nav-item:hover { color: var(--text-secondary); }

/* ---- PAGE TITLES ---- */
.page-title {
  font-size: 26px; font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 24px; color: var(--text);
}
.page-title span { color: var(--text-muted); font-size: 15px; font-weight: 400; }

/* ---- CARDS ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 16px;
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: var(--border-hover); }
.card-clickable { cursor: pointer; }
.card-clickable:hover { border-color: var(--primary); transform: translateY(-1px); }

.card-title {
  font-size: 15px; font-weight: 600; color: var(--text-secondary);
  margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.05em;
}

/* ---- STATS GRID ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
}
.stat-icon { font-size: 22px; color: var(--primary); margin-bottom: 10px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.06em; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 14px; font-weight: 600;
  border: none; cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3); }

.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #9366f5; }

.btn-outline {
  background: transparent; color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-ghost { background: transparent; color: var(--text-muted); padding: 8px 12px; }
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.05); }

.btn-block { width: 100%; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* ---- FORMS ---- */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block; margin-bottom: 6px;
  font-size: 13px; font-weight: 500; color: var(--text-secondary);
}
.form-input {
  width: 100%; padding: 11px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  transition: border-color var(--transition);
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.form-input::placeholder { color: var(--text-muted); }

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2371717a' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

/* ---- BADGES ---- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-primary { background: var(--primary-soft); color: var(--primary); }
.badge-accent { background: var(--accent-soft); color: var(--accent); }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-telegram { background: var(--telegram-soft); color: var(--telegram); }
.badge-muted { background: rgba(255,255,255,0.06); color: var(--text-muted); }
.badge-score { background: rgba(250, 204, 21, 0.12); color: #facc15; }

/* ---- JOB CARDS ---- */
.job-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.job-card:hover { border-color: var(--primary); transform: translateY(-1px); }

.job-card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 6px; }
.job-title { font-size: 16px; font-weight: 600; color: var(--text); line-height: 1.3; flex: 1; }
.job-company { color: var(--primary); font-size: 14px; font-weight: 500; margin-bottom: 10px; }
.job-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--text-muted); }
.job-meta i { margin-right: 3px; font-size: 12px; }
.job-salary { color: var(--success); font-weight: 500; }
.job-desc { color: var(--text-muted); font-size: 13px; line-height: 1.5; margin-top: 10px; }

.job-card.blurred { filter: blur(4px); pointer-events: none; opacity: 0.5; }

/* ---- ALERTS ---- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px; font-weight: 500;
  margin-bottom: 16px;
}
.alert-error { background: var(--danger-soft); border: 1px solid rgba(239, 68, 68, 0.3); color: #fca5a5; }
.alert-success { background: var(--primary-soft); border: 1px solid rgba(59, 130, 246, 0.3); color: #93c5fd; }

/* ---- EMPTY STATE ---- */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 48px; color: var(--border-hover); margin-bottom: 16px; }
.empty-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.empty-text { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; }

/* ---- PREMIUM ---- */
.premium-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, #1a1428 100%);
  border: 1px solid rgba(167, 139, 250, 0.25);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.premium-overlay {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center; z-index: 10;
  filter: none; pointer-events: all; cursor: pointer;
  background: rgba(9, 9, 11, 0.95);
  padding: 24px 40px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(167, 139, 250, 0.3);
}

/* ---- SECTION DIVIDER ---- */
.section { margin-bottom: 32px; }
.section-header {
  font-size: 15px; font-weight: 600; color: var(--text-secondary);
  margin-bottom: 14px;
  text-transform: uppercase; letter-spacing: 0.05em;
}

/* ---- TABLE ---- */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; text-align: left; font-size: 13px; }
th {
  color: var(--text-muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em; font-size: 11px;
  border-bottom: 1px solid var(--border);
}
td { border-bottom: 1px solid var(--border); color: var(--text-secondary); }
tr:hover td { background: rgba(255,255,255,0.02); }

/* ---- RESPONSIVE ---- */
.body-with-nav { padding-bottom: 80px; }

@media (max-width: 768px) {
  .container, .container-sm { padding: 16px 14px; }
  .page-title { font-size: 22px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat-card { padding: 14px; }
  .stat-value { font-size: 22px; }
  .job-title { font-size: 15px; }
  .hide-mobile { display: none; }
  table { font-size: 12px; }
  th, td { padding: 10px 8px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
}