/* ==========================================================================
   ACNABIN Tender & Opportunity Intelligence Agent — Design System
   Modern Glassmorphism, Deep Navy/Emerald Palette, Sleek Dark-Mode Ready
   ========================================================================== */

:root {
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', var(--font-primary);

  /* Curated Color Tokens */
  --bg-main: #0b101b;
  --bg-surface: #121929;
  --bg-card: rgba(22, 32, 54, 0.75);
  --bg-card-hover: rgba(30, 43, 72, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(99, 102, 241, 0.4);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Priority & Accent Accents */
  --accent-cyan: #06b6d4;
  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  
  --color-very-high: #f43f5e; /* Rose / Crimson */
  --color-high: #f59e0b;      /* Amber / Orange */
  --color-medium: #3b82f6;    /* Blue */
  --color-low: #64748b;       /* Slate */
  --color-success: #10b981;   /* Emerald */

  --glass-blur: blur(16px);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.15);
  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 10% 15%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 85%, rgba(6, 182, 212, 0.06) 0%, transparent 40%);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Header & Navigation */
header.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: var(--glass-blur);
  background-color: rgba(11, 16, 27, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo-badge {
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 15px rgba(14, 165, 233, 0.4);
}

.brand-title-wrap h1 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.brand-title-wrap p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

nav.main-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
}

nav.main-nav a.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(6, 182, 212, 0.2));
  border: 1px solid var(--border-active);
  color: #67e8f9;
}

/* User & Auth Controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.825rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.live-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Container & Layout */
main.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Section Headings */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-header-text h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-header-text p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* KPI Metric Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-indigo), var(--accent-cyan));
}

.kpi-label {
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 800;
  margin-top: 0.35rem;
  color: #ffffff;
}

.kpi-subtitle {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

/* Control Toolbar & Filters */
.toolbar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-select, .search-input {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-fast);
}

.filter-select:focus, .search-input:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

.btn-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, #4f46e5, #0ea5e9);
  border: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4338ca, #0284c7);
  box-shadow: 0 0 15px rgba(79, 70, 229, 0.4);
}

/* Opportunities Table & Cards */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

table.data-table th {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

table.data-table td {
  padding: 1rem 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

table.data-table tr:hover td {
  background-color: var(--bg-card-hover);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.725rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-very-high {
  background-color: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-high {
  background-color: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-medium {
  background-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-low {
  background-color: rgba(100, 116, 139, 0.15);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

.badge-target {
  background: rgba(14, 165, 233, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(14, 165, 233, 0.3);
}

.badge-market {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  header.app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }
  nav.main-nav {
    overflow-x: auto;
    width: 100%;
    padding-bottom: 0.35rem;
  }
}