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

:root {
  /* Core Palette */
  --bg: #0f172a;       /* Slate 900 */
  --card-bg: #1e293b;  /* Slate 800 */
  --card-border: #334155;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  
  /* Accents */
  --primary: #38bdf8;  /* Sky 400 */
  --primary-glow: rgba(56, 189, 248, 0.15);
  
  --accent: #818cf8;   /* Indigo 400 */
  
  --success: #4ade80;
  --danger: #f87171;
  --warning: #fbbf24;

  --font-main: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; outline: none; }

body {
  margin: 0;
  font-family: var(--font-main);
  background-color: var(--bg);
  color: var(--text-main);
  background-image: 
    radial-gradient(at 0% 0%, rgba(56,189,248,0.08) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(129,140,248,0.08) 0px, transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* ======================
   LAYOUT & CONTAINER
====================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  padding-bottom: 80px;
}

/* ======================
   NAVBAR (STICKY & GLASS)
====================== */
.navbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  position: sticky;
  top: 16px;
  z-index: 1000;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.navbar::-webkit-scrollbar { display: none; }

.nav-item {
  text-decoration: none;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.nav-item:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary);
  border-color: rgba(56, 189, 248, 0.3);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.1);
}

/* ======================
   CARDS & PANELS
====================== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--card-border);
}

/* ======================
   STATS GRID
====================== */
.profile-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.stat-box {
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

.stat-value.xl { font-size: 24px; color: var(--primary); }

/* ======================
   FORMS & INPUTS
====================== */
.add-box {
  background: linear-gradient(180deg, #1e293b, #172033);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

input, select, textarea {
  background: #0f172a;
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 12px 16px;
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 14px;
  width: 100%;
  transition: all 0.2s;
}

textarea { resize: vertical; }

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: none;
  background: var(--primary);
  color: #0f172a;
  transition: opacity 0.2s;
}

.btn:hover { opacity: 0.9; }

.btn.red {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.3);
  padding: 6px 12px;
}
.btn.red:hover { background: rgba(248, 113, 113, 0.25); }

.btn.full { width: 100%; }

/* ======================
   TABLES
====================== */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--card-border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px; /* Forces scroll on mobile */
}

.table.text-center th,
.table.text-center td {
  text-align: center;
}

.table th {
  background: rgba(0,0,0,0.3);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  text-align: left;
  padding: 12px 16px;
}

.table td {
  padding: 12px 16px;
  border-top: 1px solid var(--card-border);
  font-size: 14px;
  color: var(--text-main);
}

.table tr:hover td {
  background: rgba(255,255,255,0.02);
}

.text-green { color: var(--success); }
.text-red { color: var(--danger); }
.mono { font-family: var(--font-mono); }

/* ======================
   UTILITIES
====================== */
.flex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.badge {
  background: rgba(255,255,255,0.1);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.hidden { display: none; }

.expand-btn {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
}
.expand-btn:hover { border-color: var(--primary); color: var(--primary); }

@media (max-width: 640px) {
  .profile-stats { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}