/* ============================================
   LICITMONITOR - MODERN DESIGN SYSTEM
   ============================================ */

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

/* ============================================
   CSS VARIABLES - DESIGN TOKENS
   ============================================ */
:root {
  /* Colors - Professional Palette */
  --primary-hue: 220;
  --primary: hsl(var(--primary-hue), 85%, 55%);
  --primary-light: hsl(var(--primary-hue), 85%, 65%);
  --primary-dark: hsl(var(--primary-hue), 85%, 45%);

  --success-hue: 145;
  --success: hsl(var(--success-hue), 65%, 48%);
  --success-light: hsl(var(--success-hue), 65%, 95%);
  --success-glow: hsla(var(--success-hue), 65%, 48%, 0.3);

  --warning-hue: 40;
  --warning: hsl(var(--warning-hue), 95%, 55%);
  --warning-light: hsl(var(--warning-hue), 95%, 95%);

  --danger-hue: 0;
  --danger: hsl(var(--danger-hue), 75%, 55%);
  --danger-light: hsl(var(--danger-hue), 75%, 95%);

  --info-hue: 200;
  --info: hsl(var(--info-hue), 80%, 52%);
  --info-light: hsl(var(--info-hue), 80%, 95%);

  /* Neutrals */
  --bg-primary: hsl(220, 25%, 98%);
  --bg-secondary: hsl(220, 20%, 95%);
  --bg-tertiary: hsl(220, 18%, 92%);

  --text-primary: hsl(220, 20%, 15%);
  --text-secondary: hsl(220, 15%, 40%);
  --text-tertiary: hsl(220, 10%, 60%);

  --border-color: hsl(220, 15%, 88%);
  --border-light: hsl(220, 15%, 93%);

  /* Glassmorphism */
  --glass-bg: hsla(220, 25%, 100%, 0.7);
  --glass-border: hsla(220, 25%, 100%, 0.3);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, hsl(220, 85%, 55%) 0%, hsl(260, 85%, 60%) 100%);
  --gradient-success: linear-gradient(135deg, hsl(145, 65%, 48%) 0%, hsl(165, 65%, 50%) 100%);
  --gradient-vibrant: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-sunset: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-ocean: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ============================================
   BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1.125rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

/* ============================================
   NAVBAR - MODERN & SLEEK
   ============================================ */
.navbar-custom {
  background: linear-gradient(135deg, hsl(220, 26%, 14%) 0%, hsl(221, 39%, 11%) 100%) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.75rem 0;
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-ocean);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: transform var(--transition-fast);
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.nav-link {
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9) !important;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-ocean);
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nav-link:hover::before {
  width: 60%;
}

/* ============================================
   CARDS - PREMIUM DESIGN
   ============================================ */
.card-modern {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card-modern:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
}

/* Tender Cards */
.tender-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border-left: 4px solid transparent;
}

.tender-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateX(4px);
}

.tender-card.relevant {
  border-left-color: var(--success);
  background: linear-gradient(to right, var(--success-light) 0%, white 10%);
}

.tender-card.irrelevant {
  border-left-color: var(--border-color);
  opacity: 0.75;
}

.tender-card.irrelevant:hover {
  opacity: 1;
}

/* Stats Cards */
.stats-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.stats-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2xl);
}

.stats-card.primary {
  --stat-color: var(--gradient-primary);
}

.stats-card.success {
  --stat-color: var(--gradient-success);
}

.stats-card.info {
  --stat-color: var(--gradient-ocean);
}

.stats-card.warning {
  --stat-color: var(--gradient-sunset);
}

.stats-card::before {
  background: var(--stat-color);
}

.stats-value {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  background: var(--stat-color);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin: var(--space-md) 0;
}

.stats-label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

/* ============================================
   BUTTONS - MODERN & INTERACTIVE
   ============================================ */
.btn-modern {
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-transform: none;
}

.btn-modern::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.btn-modern:hover::before {
  width: 300px;
  height: 300px;
}

.btn-modern:active {
  transform: scale(0.97);
}

.btn-primary-modern {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px 0 hsla(220, 85%, 55%, 0.39);
}

.btn-primary-modern:hover {
  box-shadow: 0 6px 20px hsla(220, 85%, 55%, 0.5);
  transform: translateY(-2px);
}

.btn-success-modern {
  background: var(--gradient-success);
  color: white;
  box-shadow: 0 4px 14px 0 var(--success-glow);
}

.btn-success-modern:hover {
  box-shadow: 0 6px 20px var(--success-glow);
  transform: translateY(-2px);
}

.btn-outline-modern {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline-modern:hover {
  background: var(--primary);
  color: white;
}

/* ============================================
   BADGES - ANIMATED & VIBRANT
   ============================================ */
.badge-modern {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-base);
}

.badge-success-modern {
  background: var(--gradient-success);
  color: white;
  box-shadow: 0 2px 8px var(--success-glow);
}

.badge-success-modern:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px var(--success-glow);
}

.badge-secondary-modern {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.badge-percentage {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
}

/* ============================================
   FORMS - CLEAN & MODERN
   ============================================ */
.form-modern {
  width: 100%;
}

.form-group-modern {
  margin-bottom: var(--space-lg);
}

.form-label-modern {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.form-control-modern {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: white;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form-control-modern:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px hsla(220, 85%, 55%, 0.1);
}

.form-control-modern::placeholder {
  color: var(--text-tertiary);
}

/* ============================================
   ALERTS - INFORMATIVE & STYLISH
   ============================================ */
.alert-modern {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  animation: slideInRight var(--transition-slow);
}

.alert-info-modern {
  background: var(--info-light);
  border-left-color: var(--info);
  color: hsl(200, 80%, 30%);
}

.alert-success-modern {
  background: var(--success-light);
  border-left-color: var(--success);
  color: hsl(145, 65%, 25%);
}

.alert-warning-modern {
  background: var(--warning-light);
  border-left-color: var(--warning);
  color: hsl(40, 95%, 30%);
}

.alert-danger-modern {
  background: var(--danger-light);
  border-left-color: var(--danger);
  color: hsl(0, 75%, 30%);
}

/* ============================================
   TABLES - MODERN DATA DISPLAY
   ============================================ */
.table-modern {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.table-modern thead {
  background: linear-gradient(135deg, hsl(220, 20%, 96%) 0%, hsl(220, 20%, 98%) 100%);
}

.table-modern th {
  padding: var(--space-lg);
  text-align: left;
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border-light);
}

.table-modern td {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
}

.table-modern tbody tr {
  transition: all var(--transition-fast);
}

.table-modern tbody tr:hover {
  background: hsl(220, 25%, 99%);
  transform: scale(1.01);
}

.table-modern tbody tr:last-child td {
  border-bottom: none;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.8;
  }
}

.fade-in {
  animation: fadeIn var(--transition-slow);
}

.slide-in-up {
  animation: slideInUp var(--transition-slow);
}

.slide-in-right {
  animation: slideInRight var(--transition-slow);
}

/* Stagger animations for lists */
.stagger-item {
  opacity: 0;
  animation: slideInUp var(--transition-slow) forwards;
}

.stagger-item:nth-child(1) {
  animation-delay: 0ms;
}

.stagger-item:nth-child(2) {
  animation-delay: 50ms;
}

.stagger-item:nth-child(3) {
  animation-delay: 100ms;
}

.stagger-item:nth-child(4) {
  animation-delay: 150ms;
}

.stagger-item:nth-child(5) {
  animation-delay: 200ms;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.glass-effect {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hover-lift {
  transition: transform var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .stats-value {
    font-size: 2.5rem;
  }

  .tender-card {
    padding: var(--space-md);
  }

  .stats-card {
    padding: var(--space-lg);
  }
}

/* ============================================
   LOADING STATES
   ============================================ */
.skeleton {
  background: linear-gradient(90deg,
      hsl(220, 15%, 93%) 0%,
      hsl(220, 15%, 96%) 50%,
      hsl(220, 15%, 93%) 100%);
  background-size: 200% 100%;
  animation: loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* ============================================
   FOOTER
   ============================================ */
.footer-modern {
  background: rgba(26, 32, 44, 0.98);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-xl) 0;
  margin-top: var(--space-3xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-modern a {
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition-fast);
}

.footer-modern a:hover {
  color: white;
}