/* ============================================
   MEDHYA COMPONENTS
   Warm & Human Design System Components
   ============================================ */

/* ============================================
   1. BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-bounce);
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Primary Button - Terracotta */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-inverse);
  box-shadow:
    0 2px 0 var(--color-primary-darker),
    var(--shadow-primary);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow:
    0 4px 0 var(--color-primary-darker),
    var(--shadow-primary-lg);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow:
    0 1px 0 var(--color-primary-darker),
    0 2px 8px rgba(193, 127, 89, 0.2);
}

/* Secondary Button - Sage */
.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: var(--color-text-inverse);
  box-shadow:
    0 2px 0 var(--color-secondary-darker),
    var(--shadow-secondary);
}

.btn-secondary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow:
    0 4px 0 var(--color-secondary-darker),
    0 8px 20px rgba(123, 158, 135, 0.35);
}

.btn-secondary:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: 0 1px 0 var(--color-secondary-darker);
}

/* Outline Button */
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: none;
}

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

.btn-outline:active:not(:disabled) {
  transform: translateY(0);
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  box-shadow: none;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-border-light);
  color: var(--color-text);
}

/* Danger Button */
.btn-danger {
  background: linear-gradient(135deg, var(--color-error) 0%, #A34848 100%);
  color: var(--color-text-inverse);
  box-shadow:
    0 2px 0 #8B3D3D,
    0 4px 14px rgba(199, 93, 93, 0.3);
}

.btn-danger:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow:
    0 4px 0 #8B3D3D,
    0 8px 20px rgba(199, 93, 93, 0.35);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  border-radius: var(--radius-xl);
}

.btn-xl {
  padding: var(--space-5) var(--space-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

/* Button with icon */
.btn-icon {
  padding: var(--space-3);
}

.btn-icon.btn-sm {
  padding: var(--space-2);
}

.btn-icon.btn-lg {
  padding: var(--space-4);
}

/* Loading state */
.btn-loading {
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.6s linear infinite;
}

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

/* ============================================
   2. CARDS
   ============================================ */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-organic);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--ease-default);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.card-interactive:active {
  transform: translateY(-2px);
}

/* Card variants */
.card-elevated {
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-md);
}

.card-flat {
  box-shadow: none;
  border: 1px solid var(--color-border);
}

.card-gradient {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg-alt) 100%);
}

/* Stat Cards */
.stat-card {
  position: relative;
  overflow: hidden;
  padding: var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-organic);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  opacity: 0.1;
  transition: opacity var(--duration-normal) var(--ease-default);
}

.stat-card:hover::before {
  opacity: 0.15;
}

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

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

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

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

.stat-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.stat-card--primary .stat-card__icon {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
}

.stat-card--sage .stat-card__icon {
  background: var(--color-secondary-lighter);
  color: var(--color-secondary);
}

.stat-card--amber .stat-card__icon {
  background: var(--color-accent-lighter);
  color: var(--color-accent);
}

.stat-card--info .stat-card__icon {
  background: var(--color-info-light);
  color: var(--color-info);
}

.stat-card__value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  line-height: 1;
}

.stat-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* ============================================
   3. FORMS & INPUTS
   ============================================ */

.form-group {
  margin-bottom: var(--space-5);
}

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

.form-label-required::after {
  content: '*';
  color: var(--color-error);
  margin-left: var(--space-1);
}

.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast) var(--ease-default);
}

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

.input:hover:not(:disabled):not(:focus) {
  border-color: rgba(45, 42, 36, 0.2);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-lighter);
}

.input:disabled {
  background: var(--color-bg-alt);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Input variants */
.input-error {
  border-color: var(--color-error);
}

.input-error:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 4px var(--color-error-light);
}

.input-success {
  border-color: var(--color-success);
}

.input-success:focus {
  border-color: var(--color-success);
  box-shadow: 0 0 0 4px var(--color-success-light);
}

/* Textarea */
textarea.input {
  min-height: 120px;
  resize: vertical;
}

/* Select */
select.input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236B6560'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 20px;
  padding-right: var(--space-10);
}

/* Form help text */
.form-help {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.form-error-text {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Checkbox & Radio */
.checkbox,
.radio {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.checkbox input,
.radio input {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* ============================================
   4. NAVIGATION & SIDEBAR
   ============================================ */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sticky);
  transition: transform var(--duration-normal) var(--ease-default);
}

.sidebar-header {
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.sidebar-logo img {
  height: 36px;
  width: auto;
}

.sidebar-logo span {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--duration-fast) var(--ease-default);
  margin-bottom: var(--space-1);
}

.nav-item:hover {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
}

.nav-item.active {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  width: 3px;
  height: 24px;
  background: var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-section {
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.nav-section-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 var(--space-4);
}

/* User profile in sidebar */
.sidebar-user {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  background: var(--color-bg-alt);
}

.sidebar-user-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sidebar-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  font-size: var(--text-sm);
  border: 2px solid var(--color-primary-lighter);
}

.sidebar-user-avatar img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.sidebar-user-name {
  font-weight: var(--font-medium);
  color: var(--color-text);
  font-size: var(--text-sm);
}

.sidebar-user-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================
   5. BADGES & TAGS
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  line-height: 1.4;
}

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

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

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

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

.badge-error {
  background: var(--color-error-light);
  color: var(--color-error-dark);
}

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

/* ============================================
   6. EMPTY STATES
   ============================================ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: 300px;
  margin-bottom: var(--space-6);
}

/* ============================================
   7. LOADING STATES
   ============================================ */

/* Skeleton loader */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-alt) 25%,
    var(--color-surface) 50%,
    var(--color-bg-alt) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-2);
}

.skeleton-title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: var(--space-3);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 120px;
  border-radius: var(--radius-organic);
}

/* Warm pulse loading */
.loading-pulse {
  animation: pulseWarm 2s ease-in-out infinite;
}

@keyframes pulseWarm {
  0%, 100% {
    opacity: 1;
    background-color: var(--color-primary-lighter);
  }
  50% {
    opacity: 0.6;
    background-color: var(--color-accent-lighter);
  }
}

/* Spinner */
.spinner-warm {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-primary-lighter);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ============================================
   8. MODALS & DIALOGS
   ============================================ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(45, 42, 36, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-default);
}

.modal-backdrop.active {
  opacity: 1;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  max-width: 500px;
  width: calc(100% - var(--space-8));
  max-height: calc(100vh - var(--space-8));
  overflow: hidden;
  z-index: calc(var(--z-modal) + 1);
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-bounce);
}

.modal.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

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

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

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  background: var(--color-bg-alt);
}

/* ============================================
   9. NOTIFICATIONS & TOASTS
   ============================================ */

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-primary);
  max-width: 400px;
}

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

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

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

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

.toast-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--color-success); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-error .toast-icon { color: var(--color-error); }
.toast-info .toast-icon { color: var(--color-info); }

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ============================================
   10. TABLES
   ============================================ */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.table td {
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
}

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

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

/* ============================================
   11. AVATARS
   ============================================ */

.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-lighter) 0%, var(--color-accent-lighter) 100%);
  color: var(--color-primary);
  font-weight: var(--font-semibold);
  overflow: hidden;
}

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

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--text-xs);
}

.avatar-md {
  width: 40px;
  height: 40px;
  font-size: var(--text-sm);
}

.avatar-lg {
  width: 56px;
  height: 56px;
  font-size: var(--text-lg);
}

.avatar-xl {
  width: 80px;
  height: 80px;
  font-size: var(--text-2xl);
}

/* Avatar with ring */
.avatar-ring {
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

/* ============================================
   12. DIVIDERS
   ============================================ */

.divider {
  height: 1px;
  background: var(--color-border-light);
  margin: var(--space-6) 0;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background: var(--color-border-light);
  margin: 0 var(--space-4);
}

.divider-text {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border-light);
}