/**
 * FTSI Tools - Modern Theme System
 * A comprehensive design system with reusable components
 */

/* ==========================================================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================================================== */

:root {
  /* Colors - Primary Palette */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --primary-color: #667eea;
  --primary-dark: #5a67d8;
  --primary-light: #7c3aed;
  
  /* Colors - Status */
  --success-color: #10b981;
  --success-light: #d1fae5;
  --warning-color: #f59e0b;
  --warning-light: #fef3c7;
  --danger-color: #ef4444;
  --danger-light: #fecaca;
  --info-color: #3b82f6;
  --info-light: #dbeafe;
  
  /* Colors - Neutral */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --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: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
}

/* ==========================================================================
   GLOBAL STYLES
   ========================================================================== */

body {
  background: var(--gray-50);
  color: var(--gray-800);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
}

/* ==========================================================================
   HERO COMPONENTS
   ========================================================================== */

.hero-card {
  position: relative;
  background: var(--primary-gradient);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  color: var(--white);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-breadcrumb {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  backdrop-filter: blur(10px);
}

.hero-breadcrumb a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: var(--transition-fast);
}

.hero-breadcrumb a:hover {
  color: var(--white);
}

.hero-breadcrumb .active {
  color: var(--white);
  font-weight: 500;
}

/* ==========================================================================
   CARD COMPONENTS
   ========================================================================== */

.card-modern {
  border: none;
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  background: var(--white);
}

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

.card-header-modern {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  border-bottom: 1px solid var(--gray-200);
  padding: var(--spacing-lg);
}

.card-title-modern {
  color: var(--gray-700);
  font-weight: 600;
  font-size: var(--font-size-lg);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-body-modern {
  padding: var(--spacing-lg);
}

/* ==========================================================================
   BUTTON COMPONENTS
   ========================================================================== */

.btn-modern {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: var(--font-size-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.btn-modern:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-modern:active {
  transform: translateY(0);
}

/* Button Variants */
.btn-primary-modern {
  background: var(--primary-gradient);
  color: var(--white);
}

.btn-primary-modern:hover {
  color: var(--white);
  filter: brightness(1.1);
}

.btn-secondary-modern {
  background: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-secondary-modern:hover {
  background: var(--gray-50);
  color: var(--gray-800);
  border-color: var(--gray-400);
}

.btn-glass {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  backdrop-filter: blur(10px);
}

.btn-glass:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}

/* Button Sizes */
.btn-sm-modern {
  padding: 0.375rem 0.75rem;
  font-size: var(--font-size-xs);
}

.btn-lg-modern {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
}

/* ==========================================================================
   STATUS COMPONENTS
   ========================================================================== */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-online {
  background: var(--success-light);
  color: var(--success-color);
}

.status-offline {
  background: var(--danger-light);
  color: var(--danger-color);
}

.status-warning {
  background: var(--warning-light);
  color: var(--warning-color);
}

.status-info {
  background: var(--info-light);
  color: var(--info-color);
}

/* ==========================================================================
   FORM COMPONENTS
   ========================================================================== */

.form-control-modern {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--gray-800);
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control-modern:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-select-modern {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* ==========================================================================
   INFO COMPONENTS
   ========================================================================== */

.info-group-modern {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary-color);
}

.info-label-modern {
  font-weight: 600;
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-value-modern {
  font-size: var(--font-size-base);
  color: var(--gray-800);
  font-weight: 500;
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease;
}

.pulse {
  animation: pulse 2s infinite;
}

/* Stagger delays for multiple elements */
.fade-in-up:nth-child(1) { animation-delay: 0s; }
.fade-in-up:nth-child(2) { animation-delay: 0.1s; }
.fade-in-up:nth-child(3) { animation-delay: 0.2s; }
.fade-in-up:nth-child(4) { animation-delay: 0.3s; }
.fade-in-up:nth-child(5) { animation-delay: 0.4s; }

/* Glass morphism */
.glass {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
}

/* Spacing utilities */
.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

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

/* ==========================================================================
   RESPONSIVE UTILITIES
   ========================================================================== */

@media (max-width: 768px) {
  .hero-card {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
  }
  
  .card-header-modern,
  .card-body-modern {
    padding: var(--spacing-md);
  }
  
  .info-group-modern {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
  }
}

@media (max-width: 576px) {
  .hero-card {
    padding: var(--spacing-md);
  }
  
  .btn-modern {
    width: 100%;
    justify-content: center;
  }
  
  .card-header-modern,
  .card-body-modern {
    padding: var(--spacing-sm);
  }
}

/* ==========================================================================
   TOOLTIPS
   ========================================================================== */

[data-tooltip] {
  position: relative;
}

[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: -35px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.8);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  z-index: 1000;
  animation: fadeInUp 0.2s ease;
}

/* ==========================================================================
   MOBILE SPECIFIC COMPONENTS
   ========================================================================== */

.mobile-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.mobile-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.mobile-card-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.mobile-info-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.mobile-info-row i {
  color: var(--gray-500);
  width: 1rem;
}

/* ==========================================================================
   TABLE ENHANCEMENTS
   ========================================================================== */

.table-modern {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table-modern thead {
  background: var(--gray-50);
}

.table-modern th {
  border: none;
  color: var(--gray-700);
  font-weight: 600;
  font-size: var(--font-size-sm);
  padding: var(--spacing-md);
}

.table-modern td {
  border: none;
  border-bottom: 1px solid var(--gray-100);
  padding: var(--spacing-md);
  vertical-align: middle;
}

.table-modern tbody tr:hover {
  background: var(--gray-50);
}

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