/* ============================== */
/* dcco Design System — Custom CSS */
/* Version: 1.0.0                  */
/* ============================== */

/* --- CSS Custom Properties (Design Tokens Backup) --- */
:root {
  --dcco-primary: #012F33;
  --dcco-secondary: #4EA799;
  --dcco-primary-light: #02474D;
  --dcco-secondary-light: #6BBFB3;
  --dcco-primary-dark: #011F22;
  --dcco-secondary-dark: #3D8A7E;
  --dcco-accent: #F5A623;
  --dcco-surface-light: #F8FAFA;
  --dcco-surface-dark: #0A1E20;
  --dcco-card-dark: #0F2A2D;
  --dcco-border-dark: #1A3F43;
  --dcco-text-light: #1A2B2D;
  --dcco-text-dark: #E0F0ED;
  --dcco-muted: #6B8A8D;
  --dcco-success: #22C55E;
  --dcco-warning: #F59E0B;
  --dcco-error: #EF4444;
  --dcco-info: #3B82F6;
  --transition-speed: 300ms;
}

/* --- Global Smooth Transitions for Theme Switch --- */
html {
  scroll-behavior: smooth;
}

html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease !important;
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f5;
}

::-webkit-scrollbar-thumb {
  background: #4EA799;
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
  background: #3D8A7E;
}

html.dark ::-webkit-scrollbar-track {
  background: #0A1E20;
}

html.dark ::-webkit-scrollbar-thumb {
  background: #3D8A7E;
}

html.dark ::-webkit-scrollbar-thumb:hover {
  background: #4EA799;
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: #4EA799 #f1f5f5;
}

html.dark * {
  scrollbar-color: #3D8A7E #0A1E20;
}

/* --- Floating Label Input --- */
.floating-label-group {
  position: relative;
}

.floating-label-group input,
.floating-label-group textarea,
.floating-label-group select {
  width: 100%;
  padding: 1rem 0.875rem 0.5rem;
  font-size: 1rem;
  border: 1.5px solid #d1dede;
  border-radius: 0.75rem;
  background: transparent;
  outline: none;
  transition: border-color 200ms ease, box-shadow 200ms ease;
  color: var(--dcco-text-light);
}

html.dark .floating-label-group input,
html.dark .floating-label-group textarea,
html.dark .floating-label-group select {
  border-color: var(--dcco-border-dark);
  color: var(--dcco-text-dark);
}

.floating-label-group input::placeholder,
.floating-label-group textarea::placeholder {
  color: transparent;
}

.floating-label-group label {
  position: absolute;
  top: 50%;
  left: 0.875rem;
  transform: translateY(-50%);
  font-size: 1rem;
  color: var(--dcco-muted);
  pointer-events: none;
  transition: all 200ms ease;
  background: white;
  padding: 0 0.25rem;
}

[dir="rtl"] .floating-label-group label {
  left: auto;
  right: 0.875rem;
}

html.dark .floating-label-group label {
  background: var(--dcco-card-dark);
}

.floating-label-group textarea ~ label {
  top: 1rem;
  transform: translateY(0);
}

.floating-label-group input:focus ~ label,
.floating-label-group input:not(:placeholder-shown) ~ label,
.floating-label-group textarea:focus ~ label,
.floating-label-group textarea:not(:placeholder-shown) ~ label {
  top: 0;
  transform: translateY(-50%);
  font-size: 0.75rem;
  color: var(--dcco-secondary);
  font-weight: 600;
}

.floating-label-group input:focus,
.floating-label-group textarea:focus,
.floating-label-group select:focus {
  border-color: var(--dcco-secondary);
  box-shadow: 0 0 0 3px rgba(78, 167, 153, 0.15);
}

.floating-label-group input.input-error,
.floating-label-group textarea.input-error {
  border-color: var(--dcco-error);
}

.floating-label-group input.input-error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.floating-label-group input.input-success {
  border-color: var(--dcco-success);
}

.floating-label-group input.input-success:focus {
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

/* Icon inputs */
.floating-label-group.has-icon-start input {
  padding-left: 2.75rem;
}

[dir="rtl"] .floating-label-group.has-icon-start input {
  padding-left: 0.875rem;
  padding-right: 2.75rem;
}

.floating-label-group.has-icon-start label {
  left: 2.75rem;
}

[dir="rtl"] .floating-label-group.has-icon-start label {
  left: auto;
  right: 2.75rem;
}

.floating-label-group .input-icon-start {
  position: absolute;
  top: 50%;
  left: 0.875rem;
  transform: translateY(-50%);
  color: var(--dcco-muted);
  pointer-events: none;
  transition: color 200ms ease;
}

[dir="rtl"] .floating-label-group .input-icon-start {
  left: auto;
  right: 0.875rem;
}

.floating-label-group input:focus ~ .input-icon-start {
  color: var(--dcco-secondary);
}

.floating-label-group .input-icon-end {
  position: absolute;
  top: 50%;
  right: 0.875rem;
  transform: translateY(-50%);
  color: var(--dcco-muted);
  cursor: pointer;
  transition: color 200ms ease;
}

[dir="rtl"] .floating-label-group .input-icon-end {
  right: auto;
  left: 0.875rem;
}

.floating-label-group .input-icon-end:hover {
  color: var(--dcco-secondary);
}

/* --- Scroll Spy Active State --- */
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  color: var(--dcco-muted);
  font-size: 0.875rem;
  transition: all 200ms ease;
  text-decoration: none;
  border-left: 3px solid transparent;
}

[dir="rtl"] .sidebar-link {
  border-left: none;
  border-right: 3px solid transparent;
}

.sidebar-link:hover {
  color: var(--dcco-secondary);
  background: rgba(78, 167, 153, 0.08);
}

.sidebar-link.active {
  color: var(--dcco-secondary);
  background: rgba(78, 167, 153, 0.12);
  border-left-color: var(--dcco-secondary);
  font-weight: 600;
}

[dir="rtl"] .sidebar-link.active {
  border-left-color: transparent;
  border-right-color: var(--dcco-secondary);
}

/* --- Modal Transitions --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms ease, visibility 300ms ease;
}

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

.modal-content {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: transform 300ms ease, opacity 300ms ease, visibility 300ms ease;
}

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

/* Side Drawer Modal */
.modal-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(28rem, 90vw);
  z-index: 1000;
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 300ms ease, opacity 300ms ease, visibility 300ms ease;
}

[dir="rtl"] .modal-drawer {
  right: auto;
  left: 0;
  transform: translateX(-100%);
}

.modal-drawer.active {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
}

/* Fullscreen Modal */
.modal-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms ease, visibility 300ms ease;
}

.modal-fullscreen.active {
  opacity: 1;
  visibility: visible;
}

/* --- Toast Animations --- */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column-reverse;
  gap: 0.75rem;
  max-width: 24rem;
}

[dir="rtl"] .toast-container {
  right: auto;
  left: 1.5rem;
}

.toast-item {
  animation: slideInRight 300ms ease forwards;
  transition: opacity 300ms ease, transform 300ms ease;
}

.toast-item.removing {
  animation: slideOutRight 300ms ease forwards;
}

@keyframes slideInRight {
  from {
    transform: translateX(120%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

[dir="rtl"] .toast-item {
  animation-name: slideInLeft;
}

@keyframes slideInLeft {
  from {
    transform: translateX(-120%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(120%);
    opacity: 0;
  }
}

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  border-radius: 0 0 0.75rem 0.75rem;
  animation: toastCountdown 5s linear forwards;
}

@keyframes toastCountdown {
  from { width: 100%; }
  to { width: 0%; }
}

/* --- Sidebar Mobile Drawer --- */
.sidebar-mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(18rem, 80vw);
  z-index: 998;
  transform: translateX(-100%);
  transition: transform 300ms ease;
}

[dir="rtl"] .sidebar-mobile-drawer {
  left: auto;
  right: 0;
  transform: translateX(100%);
}

.sidebar-mobile-drawer.open {
  transform: translateX(0);
}

.sidebar-mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 997;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms ease, visibility 300ms ease;
}

.sidebar-mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* --- Skeleton Loader Animation --- */
@keyframes skeletonPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

.skeleton {
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s infinite ease-in-out;
  border-radius: 0.5rem;
}

html.dark .skeleton {
  background: linear-gradient(90deg, #1A3F43 25%, #0F2A2D 50%, #1A3F43 75%);
  background-size: 200% 100%;
}

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

/* --- Accordion Animation --- */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease;
}

.accordion-content.open {
  max-height: 40rem;
}

.accordion-chevron {
  transition: transform 300ms ease;
}

.accordion-chevron.open {
  transform: rotate(180deg);
}

/* --- Scroll Reveal Animation --- */
.scroll-reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Back to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(1rem);
  transition: all 300ms ease;
}

[dir="rtl"] .back-to-top {
  right: auto;
  left: 2rem;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* --- Tab Content --- */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 300ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(0.5rem); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Custom Toggle Switch --- */
.toggle-switch {
  position: relative;
  width: 2.75rem;
  height: 1.5rem;
  background: #d1dede;
  border-radius: 9999px;
  cursor: pointer;
  transition: background 200ms ease;
}

.toggle-switch.active {
  background: var(--dcco-secondary);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 1.25rem;
  height: 1.25rem;
  background: white;
  border-radius: 9999px;
  transition: transform 200ms ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle-switch.active::after {
  transform: translateX(1.25rem);
}

[dir="rtl"] .toggle-switch.active::after {
  transform: translateX(-1.25rem);
}

.toggle-switch-sm {
  width: 2rem;
  height: 1.125rem;
}

.toggle-switch-sm::after {
  width: 0.875rem;
  height: 0.875rem;
}

.toggle-switch-sm.active::after {
  transform: translateX(0.875rem);
}

[dir="rtl"] .toggle-switch-sm.active::after {
  transform: translateX(-0.875rem);
}

.toggle-switch-lg {
  width: 3.5rem;
  height: 1.875rem;
}

.toggle-switch-lg::after {
  width: 1.5rem;
  height: 1.5rem;
  top: 3px;
  left: 3px;
}

.toggle-switch-lg.active::after {
  transform: translateX(1.625rem);
}

[dir="rtl"] .toggle-switch-lg.active::after {
  transform: translateX(-1.625rem);
}

/* --- Range Slider --- */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: #d1dede;
  border-radius: 9999px;
  outline: none;
  transition: background 200ms ease;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--dcco-secondary);
  border-radius: 9999px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(78, 167, 153, 0.4);
  transition: transform 200ms ease;
}

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

html.dark input[type="range"] {
  background: var(--dcco-border-dark);
}

/* --- Password Strength Bar --- */
.strength-bar {
  height: 4px;
  border-radius: 9999px;
  transition: width 300ms ease, background 300ms ease;
}

/* --- File Upload Drop Zone --- */
.drop-zone {
  border: 2px dashed #d1dede;
  border-radius: 1rem;
  transition: border-color 200ms ease, background 200ms ease;
}

.drop-zone.dragover {
  border-color: var(--dcco-secondary);
  background: rgba(78, 167, 153, 0.05);
}

html.dark .drop-zone {
  border-color: var(--dcco-border-dark);
}

html.dark .drop-zone.dragover {
  border-color: var(--dcco-secondary);
  background: rgba(78, 167, 153, 0.1);
}

/* --- Tooltip --- */
.tooltip-trigger {
  position: relative;
}

.tooltip-trigger .tooltip-text {
  position: absolute;
  padding: 0.375rem 0.75rem;
  background: var(--dcco-primary);
  color: white;
  font-size: 0.75rem;
  border-radius: 0.5rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease, visibility 200ms ease;
  z-index: 50;
}

.tooltip-trigger .tooltip-text::after {
  content: '';
  position: absolute;
  border: 5px solid transparent;
}

.tooltip-trigger:hover .tooltip-text {
  opacity: 1;
  visibility: visible;
}

/* Tooltip positions */
.tooltip-text.tooltip-top {
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
}

.tooltip-text.tooltip-top::after {
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-top-color: var(--dcco-primary);
}

.tooltip-text.tooltip-bottom {
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
}

.tooltip-text.tooltip-bottom::after {
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-bottom-color: var(--dcco-primary);
}

.tooltip-text.tooltip-left {
  right: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
}

.tooltip-text.tooltip-left::after {
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-left-color: var(--dcco-primary);
}

.tooltip-text.tooltip-right {
  left: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
}

.tooltip-text.tooltip-right::after {
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-right-color: var(--dcco-primary);
}

/* --- Circular Progress SVG --- */
.circular-progress {
  transform: rotate(-90deg);
}

.circular-progress circle.progress-ring {
  transition: stroke-dashoffset 600ms ease;
}

/* --- Step Progress --- */
.step-connector {
  height: 3px;
  flex: 1;
  background: #d1dede;
  position: relative;
}

html.dark .step-connector {
  background: var(--dcco-border-dark);
}

.step-connector.completed::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--dcco-secondary);
  border-radius: 9999px;
  animation: stepFill 400ms ease forwards;
}

@keyframes stepFill {
  from { width: 0; }
  to { width: 100%; }
}

/* --- Ribbon --- */
.card-ribbon {
  position: absolute;
  top: 0.75rem;
  right: -0.5rem;
  padding: 0.25rem 1rem 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  z-index: 10;
}

[dir="rtl"] .card-ribbon {
  right: auto;
  left: -0.5rem;
}

.card-ribbon::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  right: 0;
  border: 0.25rem solid transparent;
  border-top-color: inherit;
  border-right-color: inherit;
}

[dir="rtl"] .card-ribbon::after {
  right: auto;
  left: 0;
  border-right-color: transparent;
  border-left-color: inherit;
}

/* --- Popover --- */
.popover {
  position: absolute;
  bottom: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%) scale(0.95);
  opacity: 0;
  visibility: hidden;
  transition: all 200ms ease;
  z-index: 50;
}

.popover.visible {
  transform: translateX(-50%) scale(1);
  opacity: 1;
  visibility: visible;
}

/* --- Section 24: Extended Patterns --- */

.step-dot {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.3s;
  position: relative;
  z-index: 1;
}
.step-dot.completed { background: var(--dcco-secondary); color: white; }
.step-dot.active { background: var(--dcco-primary); color: white; box-shadow: 0 0 0 4px rgba(78, 167, 153, 0.25); }
.step-dot.pending { background: #e5e7eb; color: var(--dcco-muted); }
.dark .step-dot.pending { background: var(--dcco-border-dark); }

.step-connector {
  flex: 1;
  height: 2px;
  background: #e5e7eb;
  margin: 0 -0.25rem;
  position: relative;
  z-index: 0;
}
.step-connector.completed { background: var(--dcco-secondary); }
.dark .step-connector { background: var(--dcco-border-dark); }

.drag-zone {
  border: 2px dashed #d1d5db;
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  transition: border-color 0.3s, background 0.3s;
  cursor: pointer;
}
.drag-zone:hover { border-color: var(--dcco-secondary); background: rgba(78, 167, 153, 0.05); }
.dark .drag-zone { border-color: var(--dcco-border-dark); }
.dark .drag-zone:hover { border-color: var(--dcco-secondary); background: rgba(78, 167, 153, 0.1); }

.notification-badge {
  position: absolute;
  top: -4px;
  min-width: 1.125rem;
  height: 1.125rem;
  padding: 0 0.25rem;
  font-size: 0.625rem;
  font-weight: 700;
  line-height: 1.125rem;
  text-align: center;
  color: white;
  background: var(--dcco-error);
  border-radius: 999px;
  border: 2px solid white;
}
[dir="ltr"] .notification-badge { right: -4px; }
[dir="rtl"] .notification-badge { left: -4px; }
.dark .notification-badge { border-color: var(--dcco-card-dark); }

.badge-dot {
  position: absolute;
  top: -2px;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  border: 2px solid white;
}
[dir="ltr"] .badge-dot { right: -2px; }
[dir="rtl"] .badge-dot { left: -2px; }
.dark .badge-dot { border-color: var(--dcco-card-dark); }

.rating-stars {
  display: inline-flex;
  gap: 0.125rem;
}
.rating-stars .star { color: #d1d5db; transition: color 0.2s; }
.rating-stars .star.filled { color: var(--dcco-accent); }

.toggle-switch {
  position: relative;
  width: 2.75rem;
  height: 1.5rem;
  background: #d1d5db;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.3s;
}
.toggle-switch.on { background: var(--dcco-secondary); }
.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  width: 1.25rem;
  height: 1.25rem;
  background: white;
  border-radius: 50%;
  transition: transform 0.3s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
[dir="ltr"] .toggle-switch::after { left: 2px; }
[dir="rtl"] .toggle-switch::after { right: 2px; }
[dir="ltr"] .toggle-switch.on::after { transform: translateX(1.25rem); }
[dir="rtl"] .toggle-switch.on::after { transform: translateX(-1.25rem); }

@keyframes spinner {
  to { transform: rotate(360deg); }
}
.spinner {
  width: 2rem;
  height: 2rem;
  border: 3px solid #e5e7eb;
  border-top-color: var(--dcco-secondary);
  border-radius: 50%;
  animation: spinner 0.8s linear infinite;
}
.dark .spinner { border-color: var(--dcco-border-dark); border-top-color: var(--dcco-secondary); }