/* ===== MODERN COMPONENT LIBRARY ===== */

/* === BASE RESET === */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-sans);
  font-weight: var(--font-weight-normal);
  line-height: var(--leading-normal);
  color: var(--dark-text-primary);
  background: var(--dark-bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* === LAYOUT COMPONENTS === */

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

/* Main Content Area */
.main-content {
  min-height: 100vh;
  padding: var(--space-6) 0;
  background: linear-gradient(
    135deg,
    var(--dark-bg-primary) 0%,
    var(--dark-bg-secondary) 50%,
    var(--dark-bg-tertiary) 100%
  );
  position: relative;
}

.main-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.main-content > * {
  position: relative;
  z-index: 1;
}

/* === TYPOGRAPHY COMPONENTS === */

/* Headings */
.heading {
  font-family: var(--font-family-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  color: var(--dark-text-primary);
  margin-bottom: var(--space-4);
}

.heading-1 {
  font-size: var(--text-5xl);
  font-weight: var(--font-weight-extrabold);
  background: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  margin-bottom: var(--space-8);
  position: relative;
}

.heading-1::after {
  content: "";
  position: absolute;
  bottom: -var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
  border-radius: var(--radius-full);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.heading-2 {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-6);
}

.heading-3 {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
}

.heading-4 {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
}

/* Text Elements */
.text-body {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--dark-text-secondary);
}

.text-caption {
  font-size: var(--text-sm);
  color: var(--dark-text-tertiary);
  line-height: var(--leading-normal);
}

.text-mono {
  font-family: var(--font-family-mono);
  font-size: var(--text-sm);
  background: var(--dark-bg-elevated);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-base);
  border: 1px solid var(--dark-border-primary);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: var(--button-height-base);
  white-space: nowrap;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  color: white;
  border-color: var(--primary-600);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
  border-color: var(--primary-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-600), var(--secondary-500));
  color: white;
  border-color: var(--secondary-600);
  box-shadow: var(--shadow-secondary);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-700), var(--secondary-600));
  border-color: var(--secondary-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--dark-text-primary);
  border-color: var(--dark-border-secondary);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: var(--dark-bg-elevated);
  border-color: var(--primary-500);
  color: var(--primary-400);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--dark-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--dark-bg-elevated);
  color: var(--dark-text-primary);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: white;
  border-color: var(--danger);
  box-shadow: var(--shadow-danger);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-1px);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  min-height: var(--button-height-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  min-height: var(--button-height-lg);
}

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
  min-height: var(--button-height-xl);
}

/* Button with Icon */
.btn-icon {
  padding: var(--space-3);
  min-width: var(--button-height-base);
}

.btn-icon.btn-sm {
  padding: var(--space-2);
  min-width: var(--button-height-sm);
}

.btn-icon.btn-lg {
  padding: var(--space-4);
  min-width: var(--button-height-lg);
}

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

.card {
  background: var(--dark-bg-elevated);
  border: 1px solid var(--dark-border-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: var(--transition-normal);
  position: relative;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  border-color: var(--dark-border-secondary);
}

.card-header {
  padding: var(--card-padding-base);
  border-bottom: 1px solid var(--dark-border-primary);
  background: var(--dark-bg-surface);
}

.card-body {
  padding: var(--card-padding-base);
}

.card-footer {
  padding: var(--card-padding-base);
  border-top: 1px solid var(--dark-border-primary);
  background: var(--dark-bg-surface);
}

/* Card Variants */
.card-gradient {
  background: linear-gradient(135deg, var(--dark-bg-elevated), var(--dark-bg-surface));
  border: 1px solid var(--dark-border-secondary);
}

.card-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-highlight {
  border: 1px solid var(--primary-500);
  box-shadow: 0 0 0 1px var(--primary-500), var(--shadow-lg);
}

.card-highlight::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
}

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

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--dark-text-primary);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-family-sans);
  color: var(--dark-text-primary);
  background: var(--dark-bg-elevated);
  border: 1px solid var(--dark-border-primary);
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
  min-height: var(--input-height-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder {
  color: var(--dark-text-muted);
}

.form-select {
  appearance: none;
  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 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 16px 12px;
  padding-right: var(--space-10);
}

/* Form Sizes */
.form-input-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  min-height: var(--input-height-sm);
}

.form-input-lg {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-lg);
  min-height: var(--input-height-lg);
}

/* === TABLE COMPONENTS === */

.table-container {
  background: var(--dark-bg-elevated);
  border: 1px solid var(--dark-border-primary);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-8);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th {
  background: linear-gradient(135deg, var(--dark-bg-surface), var(--dark-bg-elevated));
  color: var(--dark-text-primary);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  padding: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--dark-border-primary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table td {
  padding: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--dark-border-primary);
  color: var(--dark-text-secondary);
  transition: var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--dark-bg-surface);
}

.table tbody tr:hover td {
  color: var(--dark-text-primary);
}

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

/* Table Variants */
.table-compact th,
.table-compact td {
  padding: var(--space-2) var(--space-3);
}

.table-spacious th,
.table-spacious td {
  padding: var(--space-6) var(--space-4);
}

/* === BADGE COMPONENTS === */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1;
}

.badge-primary {
  background: var(--primary-500);
  color: white;
}

.badge-secondary {
  background: var(--secondary-500);
  color: white;
}

.badge-success {
  background: var(--success);
  color: white;
}

.badge-danger {
  background: var(--danger);
  color: white;
}

.badge-warning {
  background: var(--warning);
  color: var(--gray-900);
}

.badge-info {
  background: var(--info);
  color: white;
}

.badge-outline {
  background: transparent;
  color: var(--dark-text-secondary);
  border: 1px solid var(--dark-border-secondary);
}

/* === MODAL COMPONENTS === */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  padding: var(--space-4);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--dark-bg-elevated);
  border: 1px solid var(--dark-border-secondary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(20px);
  transition: var(--transition-normal);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--dark-border-primary);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--dark-text-primary);
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--dark-text-tertiary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--dark-bg-surface);
  color: var(--dark-text-primary);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  padding: var(--space-6);
  border-top: 1px solid var(--dark-border-primary);
}

/* === LOADING COMPONENTS === */

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-12);
  text-align: center;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--dark-border-primary);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: var(--animation-spin);
}

.loading-text {
  color: var(--dark-text-secondary);
  font-size: var(--text-base);
}

/* === ALERT COMPONENTS === */

.alert {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.alert-success {
  background: var(--success-light);
  border-color: var(--success);
  color: var(--success-dark);
}

.alert-danger {
  background: var(--danger-light);
  border-color: var(--danger);
  color: var(--danger-dark);
}

.alert-warning {
  background: var(--warning-light);
  border-color: var(--warning);
  color: var(--warning-dark);
}

.alert-info {
  background: var(--info-light);
  border-color: var(--info);
  color: var(--info-dark);
}

/* === NAVIGATION COMPONENTS === */

.nav-menu {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-dropdown);
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--dark-bg-elevated);
  border: 1px solid var(--dark-border-secondary);
  border-radius: var(--radius-full);
  color: var(--dark-text-primary);
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}

.nav-toggle:hover {
  background: var(--dark-bg-surface);
  border-color: var(--primary-500);
  transform: scale(1.05);
}

.nav-dropdown {
  position: absolute;
  top: 60px;
  right: 0;
  min-width: 280px;
  background: var(--dark-bg-elevated);
  border: 1px solid var(--dark-border-secondary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-normal);
  overflow: hidden;
}

.nav-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  color: var(--dark-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  transition: var(--transition-fast);
  border-left: 3px solid transparent;
}

.nav-link:hover {
  background: var(--dark-bg-surface);
  color: var(--dark-text-primary);
  border-left-color: var(--primary-500);
  transform: translateX(4px);
}

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

@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-4);
  }

  .main-content {
    padding: var(--space-4) 0;
  }

  .heading-1 {
    font-size: var(--text-3xl);
  }

  .btn {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-xs);
  }

  .card-header,
  .card-body,
  .card-footer {
    padding: var(--card-padding-sm);
  }

  .modal {
    margin: var(--space-4);
    max-width: calc(100vw - var(--space-8));
  }

  .nav-menu {
    top: var(--space-4);
    right: var(--space-4);
  }

  .nav-dropdown {
    min-width: 260px;
    right: -var(--space-4);
  }
}

/* === ACCESSIBILITY === */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: high) {
  .card,
  .form-input,
  .btn {
    border-width: 2px;
  }
}

/* Focus styles for keyboard navigation */
.btn:focus-visible,
.form-input:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* === PRINT STYLES === */

@media print {
  .nav-menu,
  .modal-overlay,
  .btn {
    display: none !important;
  }

  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #000;
  }

  body {
    background: white !important;
    color: black !important;
  }
}