/**
 * Component Styles
 * Styles for reusable UI components
 */

/* ===========================
   TOAST NOTIFICATIONS
   =========================== */

.toast-notification {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  min-width: 300px;
  max-width: 500px;
  padding: var(--space-4);
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base) var(--ease-out);
  z-index: var(--z-index-tooltip);
  border-left: 4px solid var(--color-primary-500);
}

.toast-notification.show {
  opacity: 1;
  transform: translateY(0);
}

.toast-success {
  border-left-color: var(--color-success-500);
}

.toast-error {
  border-left-color: var(--color-error-500);
}

.toast-warning {
  border-left-color: var(--color-warning-500);
}

.toast-info {
  border-left-color: var(--color-info-500);
}

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

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-index-modal-backdrop);
  animation: fadeIn var(--transition-base) var(--ease-out);
}

.modal-dialog {
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-xl);
  padding: var(--space-8);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-2xl);
  animation: scaleIn var(--transition-base) var(--ease-out);
}

.modal-dialog h3 {
  margin: 0 0 var(--space-4) 0;
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
}

.modal-dialog p {
  margin: 0 0 var(--space-6) 0;
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.modal-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

/* ===========================
   LOADER
   =========================== */

.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-neutral-200);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loader-text {
  margin-top: var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ===========================
   BUTTON COMPONENT
   =========================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--border-radius-lg);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-base) var(--ease-out);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Button Variants */
.btn-primary {
  background: var(--color-primary-500);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-neutral-200);
  color: var(--color-text-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-neutral-300);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary-500);
  color: var(--color-primary-500);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-primary-500);
  color: white;
}

.btn-danger {
  background: var(--color-error-500);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: var(--color-error-900);
}

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

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

.btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ===========================
   INPUT COMPONENT
   =========================== */

.input-group {
  margin-bottom: var(--space-4);
}

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

.input-field {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-base);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  transition: all var(--transition-fast) var(--ease-out);
}

.input-field:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.input-field:disabled {
  background: var(--color-neutral-100);
  cursor: not-allowed;
  opacity: 0.6;
}

.input-group.has-error .input-field {
  border-color: var(--color-error-500);
}

.input-error {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-error-500);
}

.input-help {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* ===========================
   CARD COMPONENT
   =========================== */

.card {
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-base);
  overflow: hidden;
  transition: all var(--transition-base) var(--ease-out);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: auto;
  display: block;
}

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

.card-title {
  margin: 0 0 var(--space-3) 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.card-content {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-light);
}

/* Card Variants */
.card-outline {
  box-shadow: none;
  border: 1px solid var(--color-border-light);
}

.card-elevated {
  box-shadow: var(--shadow-xl);
}

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

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-primary-500);
  color: white;
  font-weight: var(--font-weight-semibold);
}

.avatar-circle {
  border-radius: var(--border-radius-full);
}

.avatar-square {
  border-radius: var(--border-radius-base);
}

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

/* Avatar Sizes */
.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--font-size-sm);
}

.avatar-md {
  width: 48px;
  height: 48px;
  font-size: var(--font-size-base);
}

.avatar-lg {
  width: 64px;
  height: 64px;
  font-size: var(--font-size-xl);
}

/* ===========================
   BADGE COMPONENT
   =========================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

.badge-default {
  background: var(--color-neutral-200);
  color: var(--color-text-primary);
}

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

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

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

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

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

/* Badge Sizes */
.badge-sm {
  padding: 2px var(--space-2);
  font-size: var(--font-size-xs);
}

.badge-lg {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

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

.progress {
  width: 100%;
  height: 8px;
  background: var(--color-neutral-200);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--color-primary-500);
  border-radius: var(--border-radius-full);
  transition: width 0.3s var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: white;
}

/* Progress Variants */
.progress-success .progress-bar {
  background: var(--color-success-500);
}

.progress-warning .progress-bar {
  background: var(--color-warning-500);
}

.progress-error .progress-bar {
  background: var(--color-error-500);
}

/* ===========================
   DROPDOWN COMPONENT
   =========================== */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  min-width: 200px;
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-base);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast) var(--ease-out);
  z-index: var(--z-index-dropdown);
}

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

.dropdown-bottom-left .dropdown-menu {
  top: 100%;
  left: 0;
  margin-top: var(--space-2);
}

.dropdown-bottom-right .dropdown-menu {
  top: 100%;
  right: 0;
  margin-top: var(--space-2);
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: none;
  background: none;
  text-align: left;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast) var(--ease-out);
}

.dropdown-item:hover {
  background: var(--color-neutral-100);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border-light);
  margin: var(--space-2) 0;
}

/* ===========================
   TAB COMPONENT
   =========================== */

.tabs {
  width: 100%;
}

.tab-list {
  display: flex;
  border-bottom: 2px solid var(--color-border-light);
  gap: var(--space-2);
}

.tab-button {
  padding: var(--space-3) var(--space-4);
  border: none;
  background: none;
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast) var(--ease-out);
}

.tab-button:hover {
  color: var(--color-text-primary);
}

.tab-button.active {
  color: var(--color-primary-500);
  border-bottom-color: var(--color-primary-500);
}

.tab-panels {
  padding: var(--space-6) 0;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeInUp 0.3s var(--ease-out);
}

/* ===========================
   PASSWORD STRENGTH INDICATOR
   =========================== */

.password-strength-indicator {
  margin-top: var(--space-2);
}

.strength-bar {
  height: 4px;
  border-radius: var(--border-radius-full);
  transition: all 0.3s var(--ease-out);
  margin-bottom: var(--space-2);
}

.strength-weak {
  background: var(--color-error-500);
}

.strength-fair {
  background: var(--color-warning-500);
}

.strength-medium {
  background: var(--color-info-500);
}

.strength-strong {
  background: var(--color-success-500);
}

.strength-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.strength-feedback {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0;
}

.strength-feedback li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: var(--space-1) 0;
}

.strength-feedback li:before {
  content: "• ";
  color: var(--color-error-500);
  margin-right: var(--space-1);
}

/* ===========================
   RESPONSIVE ADJUSTMENTS
   =========================== */

@media (max-width: 768px) {
  .toast-notification {
    left: var(--space-4);
    right: var(--space-4);
    bottom: var(--space-4);
    min-width: auto;
  }
  
  .modal-dialog {
    width: 95%;
    padding: var(--space-6);
  }
  
  .dropdown-menu {
    min-width: 180px;
  }
}