/**
 * 3.98" BWRY E-Paper Open Smart Badge & Ita-Bag
 * Components (Material Design 3 Tokens, Buttons, Chips, Modals, Swatches, Toasts)
 * Copyright (c) 2026 ZGQ Inc. All Rights Reserved.
 */

/* ========================================================
 * 1. Cards (M3 Elevated & Filled Surface Containers)
 * ======================================================== */
.m3-card,
.pwa-card {
  background: var(--md-sys-color-surface-container);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-1);
  margin-bottom: 16px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.m3-card-title,
.card-title {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  letter-spacing: -0.1px;
}

.card-subtitle {
  font-size: 12px;
  color: var(--md-sys-color-outline);
  margin-top: -6px;
  margin-bottom: 12px;
  line-height: 1.4;
}

/* ========================================================
 * 2. Buttons (Tactile Touch Feedback & M3 Variants)
 * ======================================================== */
.m3-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  border: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  text-decoration: none;
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.m3-btn:hover,
.btn:hover {
  box-shadow: var(--shadow-2);
  filter: brightness(1.05);
}

.m3-btn:active,
.btn:active {
  transform: scale(0.97);
  filter: brightness(0.95);
}

/* Button Variants */
.m3-btn.outlined,
.btn-outlined {
  background: transparent;
  color: var(--md-sys-color-on-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
}

.m3-btn.outlined:hover,
.btn-outlined:hover {
  background: var(--md-sys-color-surface-container-high);
  border-color: var(--md-sys-color-primary);
}

.m3-btn.tonal,
.btn-tonal {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border: 1px solid transparent;
}

.m3-btn.tonal:hover,
.btn-tonal:hover {
  filter: brightness(1.06);
}

.m3-btn.danger,
.btn-danger {
  background: var(--md-sys-color-error);
  color: #ffffff;
}

.m3-btn.small,
.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  gap: 4px;
}

.m3-btn.btn-full,
.btn-full {
  width: 100%;
  margin-top: 14px;
  padding: 11px 18px;
  font-size: 14px;
  border-radius: var(--radius-md);
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.icon-btn:hover {
  background: var(--md-sys-color-surface-container-high);
}

.icon-btn:active {
  transform: scale(0.92);
}

/* ========================================================
 * 3. Chips & Chip Groups (M3 Selection Chips)
 * ======================================================== */
.chip-group {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 4px 0;
  margin-bottom: 10px;
  -webkit-overflow-scrolling: touch;
}

.chip-group::-webkit-scrollbar {
  display: none;
}

.chip {
  padding: 6px 14px;
  border-radius: var(--radius-xl);
  font-size: 12px;
  font-weight: 600;
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface);
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
  touch-action: manipulation;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.chip:hover {
  background: var(--md-sys-color-surface-container-high);
}

.chip:active {
  transform: scale(0.95);
}

.chip.active {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border-color: var(--md-sys-color-primary);
  box-shadow: var(--shadow-1);
}

/* ========================================================
 * 4. Form Controls & Inputs
 * ======================================================== */
.form-group {
  margin-bottom: 12px;
}

.form-label,
label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--md-sys-color-outline);
}

.m3-input,
.m3-select,
.m3-textarea,
input[type="text"],
input[type="number"],
input[type="password"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--md-sys-color-outline-variant);
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.m3-input:focus,
.m3-select:focus,
.m3-textarea:focus,
input[type="text"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 2px var(--md-sys-color-primary-container);
}

.m3-input::placeholder,
.m3-textarea::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--md-sys-color-outline);
  opacity: 0.7;
}

.m3-textarea,
textarea {
  resize: vertical;
  min-height: 70px;
}

/* Range Sliders */
input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--md-sys-color-surface-container-highest);
  outline: none;
  touch-action: pan-y;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--md-sys-color-primary);
  box-shadow: var(--shadow-1);
  cursor: pointer;
  transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:active {
  transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--md-sys-color-primary);
  border: none;
  box-shadow: var(--shadow-1);
  cursor: pointer;
}

/* ========================================================
 * 5. Palette Swatches & Native Color Picker
 * ======================================================== */
.swatch-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.swatch-item,
.palette-btn,
.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--md-sys-color-outline-variant);
  cursor: pointer;
  display: inline-block;
  transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.18s;
  touch-action: manipulation;
  flex-shrink: 0;
  box-sizing: border-box;
}

.swatch-item:hover,
.palette-btn:hover,
.color-swatch:hover {
  transform: scale(1.12);
}

.swatch-item.active,
.palette-btn.active,
.color-swatch.active {
  transform: scale(1.18);
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 3px var(--md-sys-color-primary-container);
}

.native-color-picker,
#nativeColorPicker {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--md-sys-color-outline-variant);
  padding: 0;
  cursor: pointer;
  background: transparent;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  overflow: hidden;
}

.native-color-picker::-webkit-color-swatch-wrapper,
#nativeColorPicker::-webkit-color-swatch-wrapper {
  padding: 0;
}

.native-color-picker::-webkit-color-swatch,
#nativeColorPicker::-webkit-color-swatch {
  border: none;
  border-radius: 50%;
}

/* ========================================================
 * 6. Modal Dialogs (Full Compatibility: Overlay & Backdrop)
 * ======================================================== */
.modal-overlay,
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.active,
.modal-backdrop.open,
.modal-backdrop.active {
  display: flex;
}

.modal-card,
.modal-sheet {
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-xl);
  padding: 22px 24px;
  max-width: 580px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-3);
  animation: scaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

@keyframes scaleUp {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.modal-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--md-sys-color-outline);
  padding: 4px;
  line-height: 1;
  transition: color 0.15s;
}

.modal-close:hover {
  color: var(--md-sys-color-on-surface);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* ========================================================
 * 7. Storage Capacity Bar
 * ======================================================== */
.storage-progress-bar {
  height: 8px;
  background: var(--md-sys-color-surface-container-highest);
  border-radius: 4px;
  overflow: hidden;
  margin: 8px 0;
}

.storage-progress-fill {
  height: 100%;
  background: var(--md-sys-color-primary);
  width: 0%;
  transition: width 0.3s ease;
}

/* ========================================================
 * 8. Toast Notifications
 * ======================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

@media (max-width: 640px) {
  .toast-container {
    bottom: calc(84px + env(safe-area-inset-bottom, 8px));
    left: 16px;
    right: 16px;
  }
}

.toast {
  background: var(--md-sys-color-surface-container-highest);
  color: var(--md-sys-color-on-surface);
  border-left: 4px solid var(--md-sys-color-primary);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-2);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: auto;
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.success { border-color: var(--md-sys-color-success); }
.toast.error { border-color: var(--md-sys-color-error); }
.toast.warning { border-color: var(--md-sys-color-warning); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}