/**
 * {{RIPER-5:
 *   Action: "Added"
 *   Task_ID: "8d2e3bf4-bc3b-4dcb-a0e9-fd31442dca64"
 *   Timestamp: "2025-11-10T15:25:00Z"
 *   Authoring_Role: "LD"
 *   Principle_Applied: "Aether-Design-Universal-Softness, Aether-Engineering-SOLID-S"
 *   Quality_Check: "All components tested, GPU-accelerated, responsive"
 * }}
 */

/* ============================================
   UI COMPONENTS LIBRARY - LIQUID GLASS DESIGN
   ============================================ */

/* ========== BUTTONS ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-2xl);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
  
  /* GPU Acceleration */
  transform: translateZ(0);
  will-change: transform, box-shadow;
}

.btn:hover {
  transform: translateY(-2px) translateZ(0);
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Primary Button */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.5),
              0 8px 24px rgba(var(--color-primary-rgb), 0.3);
}

/* Secondary Button */
.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(var(--color-secondary-rgb), 0.3);
}

.btn-secondary:hover {
  background: var(--color-secondary-light);
  box-shadow: 0 0 20px rgba(var(--color-secondary-rgb), 0.4);
}

/* Glass Button */
.btn-glass {
  backdrop-filter: blur(10px);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-white);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Outline Button */
.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn-full {
  width: 100%;
}

/* Icon Button */
.btn-icon {
  padding: 0.75rem;
  border-radius: var(--radius-full);
  aspect-ratio: 1;
}

/* ========== INPUTS ========== */

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  border-radius: var(--radius-2xl);
  backdrop-filter: blur(10px);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-white);
  transition: all var(--transition-base);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-gray-400);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
}

.input:disabled,
.textarea:disabled,
.select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

/* Input with Icon */
.input-group {
  position: relative;
  width: 100%;
}

.input-group .input {
  padding-left: 2.75rem;
}

.input-group .input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
  pointer-events: none;
}

/* ========== CARDS ========== */

.card {
  backdrop-filter: blur(20px) saturate(150%) brightness(110%);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--glass-shadow);
  padding: var(--spacing-6);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow-lg);
  border-color: rgba(255, 255, 255, 0.25);
}

.card-header {
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
}

.card-body {
  color: rgba(255, 255, 255, 0.9);
}

.card-footer {
  margin-top: var(--spacing-4);
  padding-top: var(--spacing-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  gap: var(--spacing-3);
  justify-content: flex-end;
}

/* ========== BADGES ========== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: 0.375rem 0.75rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

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

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

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

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

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

.badge-glass {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

/* ========== AVATAR ========== */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-sunrise);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
}

.avatar-sm {
  width: 2rem;
  height: 2rem;
  font-size: var(--font-size-sm);
}

.avatar-md {
  width: 3rem;
  height: 3rem;
  font-size: var(--font-size-base);
}

.avatar-lg {
  width: 4rem;
  height: 4rem;
  font-size: var(--font-size-xl);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

.modal {
  backdrop-filter: blur(30px) saturate(180%) brightness(110%);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-2xl);
  box-shadow: var(--glass-shadow-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: var(--z-modal);
}

.modal-header {
  padding: var(--spacing-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

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

.modal-footer {
  padding: var(--spacing-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  gap: var(--spacing-3);
  justify-content: flex-end;
}

/* ========== NAVBAR ========== */

.navbar {
  backdrop-filter: blur(20px) saturate(150%);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--glass-shadow);
  padding: var(--spacing-4) var(--spacing-6);
  margin: var(--spacing-4);
  position: sticky;
  top: var(--spacing-4);
  z-index: var(--z-sticky);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  background: var(--bg-sunrise);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.team-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

/* ========== TABS ========== */

.tab-navigation {
  display: flex;
  gap: var(--spacing-2);
  padding: var(--spacing-2);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-2xl);
  margin-bottom: var(--spacing-6);
  overflow-x: auto;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-2xl);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.tab-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* ========== PROGRESS BAR ========== */

.progress {
  height: 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--bg-sunrise);
  transition: width var(--transition-base);
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ========== ALERTS ========== */

.alert {
  padding: var(--spacing-4);
  border-radius: var(--radius-2xl);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--color-success);
  color: var(--color-white);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--color-warning);
  color: var(--color-white);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.15);
  border-color: var(--color-danger);
  color: var(--color-white);
}

.alert-info {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--color-info);
  color: var(--color-white);
}

/* ========== LOADING SPINNER ========== */

.spinner {
  width: 2rem;
  height: 2rem;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner-sm {
  width: 1rem;
  height: 1rem;
  border-width: 2px;
}

.spinner-lg {
  width: 3rem;
  height: 3rem;
  border-width: 4px;
}

/* ========== TOOLTIP ========== */

.tooltip {
  position: absolute;
  z-index: var(--z-tooltip);
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-2xl);
  backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.85);
  color: var(--color-white);
  white-space: nowrap;
  pointer-events: none;
}

/* ========== DIVIDER ========== */

.divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: var(--spacing-6) 0;
}

.divider-vertical {
  width: 1px;
  height: auto;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 var(--spacing-4);
}

/* ========== RESPONSIVE DESIGN ========== */

@media (max-width: 768px) {
  .navbar {
    margin: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
  }
  
  .card {
    padding: var(--spacing-4);
  }
  
  .modal {
    max-width: 100%;
    margin: var(--spacing-2);
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
  }
  
  .tab-navigation {
    gap: var(--spacing-1);
  }
  
  .tab-btn {
    padding: 0.625rem 1rem;
    font-size: var(--font-size-sm);
  }
}

/* ========== ACCESSIBILITY ========== */

@media (prefers-reduced-motion: reduce) {
  .card:hover,
  .btn:hover {
    transform: none;
  }
}