/*
  SICAKEP KIDS - COMPONENTS
  Reusable UI components
*/

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-radius: var(--radius-xl);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family-primary);
  min-height: 52px;
  padding: var(--space-3) var(--space-6);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  text-align: center;
}

.btn:active {
  transform: scale(0.96);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-500));
  color: white;
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 16px rgba(34, 197, 94, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary-400), var(--color-secondary-500));
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent-400), var(--color-accent-500));
  color: white;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid var(--color-neutral-200);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-neutral-100);
  color: var(--text-primary);
}

.btn-icon {
  width: 52px;
  padding: 0;
  border-radius: var(--radius-full);
}

.btn-lg {
  min-height: 60px;
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-2xl);
}

.btn-sm {
  min-height: 40px;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

/* =========================================
   CARDS
   ========================================= */
.card {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  border: 2px solid var(--color-neutral-100);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

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

.card-hero {
  padding: var(--space-8) var(--space-6);
  background: linear-gradient(to bottom right, var(--surface-card), var(--color-primary-50));
  border-color: var(--color-primary-200);
  position: relative;
  overflow: hidden;
}

.card-habit {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  cursor: pointer;
}

.card-choice {
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-2);
  cursor: pointer;
  border-width: 3px;
}
.card-choice .emoji {
  font-size: 2.5rem;
}
.card-choice.selected {
  border-color: var(--color-primary-500);
  background-color: var(--color-primary-50);
  box-shadow: 0 4px 0 var(--color-primary-200);
  transform: translateY(-4px);
}

.card-mini {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

/* =========================================
   MODALS & DIALOGS
   ========================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--surface-card);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 400px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}
.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: var(--space-5);
  border-bottom: 2px solid var(--color-neutral-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-body {
  padding: var(--space-5);
}
.modal-footer {
  padding: var(--space-5);
  border-top: 2px solid var(--color-neutral-100);
  display: flex;
  gap: var(--space-3);
}

.confirm-dialog {
  text-align: center;
  padding: var(--space-6) var(--space-5);
}
.confirm-dialog .icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

/* =========================================
   TOASTS
   ========================================= */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--surface-elevated);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 100;
  opacity: 0;
  transition: all var(--transition-normal);
  font-weight: var(--font-weight-bold);
}
.toast.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.toast-success { border: 2px solid var(--color-success); color: var(--color-primary-800); }
.toast-error { border: 2px solid var(--color-error); color: #7f1d1d; }
.toast-info { border: 2px solid var(--color-info); color: var(--color-secondary-900); }

/* =========================================
   BADGES
   ========================================= */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  white-space: nowrap;
}
.badge-achievement {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  background: var(--color-sunshine-100);
  color: var(--color-sunshine-800);
  border: 2px solid var(--color-sunshine-300);
  gap: var(--space-2);
}

/* =========================================
   PROGRESS
   ========================================= */
.progress-bar {
  width: 100%;
  height: 12px;
  background: var(--color-neutral-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--color-primary-500);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
}
.progress-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--color-neutral-200);
  transition: background var(--transition-fast);
}
.progress-dots .dot.active {
  background: var(--color-primary-500);
}

.progress-ring {
  width: 48px;
  height: 48px;
}

/* =========================================
   AVATARS
   ========================================= */
.avatar {
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  color: white;
  background: var(--color-secondary-400);
  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: 48px; height: 48px; font-size: var(--text-base); }
.avatar-lg { width: 64px; height: 64px; font-size: var(--text-xl); }

/* =========================================
   EMPTY STATE
   ========================================= */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  gap: var(--space-4);
}
.empty-state .emoji {
  font-size: 4rem;
}

/* =========================================
   LOADING
   ========================================= */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.loading-skeleton {
  background: var(--color-neutral-200);
  border-radius: var(--radius-md);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-neutral-200);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--surface-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

/* =========================================
   FORM CONTROLS
   ========================================= */
.form-control {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.input, .select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-neutral-200);
  background: var(--surface-primary);
  font-family: var(--font-family-primary);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
}
.input:focus, .select:focus {
  outline: none;
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.2);
}

.input-pin {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  letter-spacing: 0.5em;
  padding-left: calc(var(--space-4) + 0.5em);
}

/* =========================================
   BOTTOM NAVIGATION
   ========================================= */
.nav-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface-primary);
  border-top: 2px solid var(--color-neutral-100);
  display: flex;
  justify-content: space-around;
  padding: var(--space-2) var(--space-2) calc(var(--space-2) + env(safe-area-inset-bottom));
  z-index: 40;
}
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  color: var(--text-secondary);
  text-decoration: none;
  min-width: 64px;
}
.nav-item.active {
  color: var(--color-primary-600);
  font-weight: var(--font-weight-bold);
}
.nav-item .icon {
  transition: transform var(--transition-fast);
}
.nav-item.active .icon {
  transform: scale(1.2);
}

/* =========================================
   CALENDAR SIMPLE
   ========================================= */
.calendar-simple {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-1);
  text-align: center;
}
.calendar-day-header {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: var(--font-weight-bold);
  padding: var(--space-2) 0;
}
.calendar-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  position: relative;
}
.calendar-cell.has-data {
  background: var(--color-primary-50);
  color: var(--color-primary-800);
  font-weight: var(--font-weight-bold);
}

/* =========================================
   STAT CARD
   ========================================= */
.stat-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-neutral-100);
}
.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-neutral-50);
}

/* =========================================
   UTILITIES
   ========================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.items-center { align-items: center; }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }

.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }

.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.hidden { display: none !important; }
.visible { display: block; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}