/* ================================
   DARK THEME CSS VARIABLES & ROOT STYLES
   ================================ */
:root {
  /* Primary Color Palette - Based on #09a297 */
  --primary-color: #09a297;
  --primary-hover: #0bc4b5;
  --primary-light: #26d0c1;
  --primary-dark: #077b72;
  --primary-darker: #065d56;
  
  /* Secondary & Accent Colors */
  --secondary-color: #065d56;
  --accent-color: #ff6b6b;
  --accent-color-hover: #ff8787;
  --accent-color-active: #ff5252;
  --warning-color: #ffa726;
  --warning-hover: #ffb74d;
  
  /* Text Colors */
  --text-color: #e8eaed;
  --text-secondary: #bdc1c6;
  --text-muted: #9aa0a6;
  --text-disabled: #5f6368;
  
  /* Background Colors */
  --background-color: #0f0f0f;
  --surface-bg: #1a1a1a;
  --surface-elevated: #212121;
  --hover-bg: #2a2a2a;
  --active-bg: #0a3a35;
  
  /* Border Colors */
  --border-color: #3c4043;
  --border-hover: #5f6368;
  --border-focus: var(--primary-color);
  
  /* Interactive States */
  --primary-bg-subtle: rgba(9, 162, 151, 0.1);
  --primary-bg-muted: rgba(9, 162, 151, 0.2);
  --primary-bg-emphasis: rgba(9, 162, 151, 0.9);
  
  /* Layout & Effects */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  --box-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.3);
  --box-shadow-focus: 0 0 0 3px rgba(9, 162, 151, 0.3);
  --transition: all 0.2s ease;
  
  /* Typography */
  --bs-nav-link-font-size: 14px;
}

/* ================================
   BASE STYLES
   ================================ */
body {
  background: var(--background-color);
  color: var(--text-color);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.container-fluid {
  position: relative;
}

#logo {
  transition: opacity 0.2s ease;
}

/* ================================
   SCROLLBAR STYLES
   ================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--surface-bg);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* ================================
   ANIMATIONS & KEYFRAMES
   ================================ */
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ================================
   NAVIGATION STYLES
   ================================ */
.navbar-custom {
  background: var(--surface-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 16px;
  box-shadow: var(--box-shadow);
}

.navbar-theme {
  background: var(--surface-bg) !important;
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow);
  padding: 1rem 1.5rem;
  position: relative;
  z-index: 10;
}

.navbar-toggler {
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: var(--box-shadow-focus);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28232,234,237,0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  filter: none;
}

.navbar-collapse {
  background: var(--surface-elevated);
  border-radius: var(--border-radius);
  margin-top: 0.5rem;
  padding: 1rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow);
}

.navbar-nav .nav-link {
  padding: 8px 12px;
  color: var(--text-color);
  font-size: var(--bs-nav-link-font-size);
  font-weight: 500;
  transition: var(--transition);
  border-radius: var(--border-radius);
}

.navbar-nav .nav-link:hover {
  background-color: var(--hover-bg);
  color: var(--primary-light);
}

.navbar-nav .nav-link.active {
  background-color: var(--active-bg);
  color: var(--primary-color);
}

.nav-link {
  color: var(--text-color) !important;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active,
.nav-link.show {
  color: var(--primary-color) !important;
  background-color: var(--hover-bg);
}

.featureButtons {
  display: inline-block;
  text-align: center;
  width: 45px;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.featureButtons:hover {
  cursor: pointer;
  background-color: var(--hover-bg);
}

.preview-on,
.content-demo {
  background-color: var(--active-bg);
  color: var(--primary-color);
}

/* ================================
   DOCUMENT TITLE STYLES
   ================================ */
.doc-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 20px;
}

.doc-icon {
  color: var(--primary-color);
  font-size: 20px;
}

.doc-name {
  font-size: 18px;
  color: var(--text-color);
  font-weight: 400;
  background: var(--surface-elevated);
  border: 1px solid var(--border-color);
  outline: none;
  min-width: 200px;
  padding: 6px 12px;
  border-radius: var(--border-radius);
  cursor: text;
  height: 34px;
  transition: var(--transition);
}

.doc-name:hover {
  border-color: var(--border-hover);
}

.doc-name:focus {
  background-color: var(--surface-bg);
  border-color: var(--primary-color);
  box-shadow: var(--box-shadow-focus);
}

.doc-name::placeholder {
  color: var(--text-muted);
  font-style: italic;
}

/* ================================
   MENU BAR STYLES
   ================================ */
.menu-bar {
  margin-right: auto;
  z-index: 1001;
}

.menu-bar-container {
  background: var(--surface-bg);
  box-shadow: var(--box-shadow);
  z-index: 1001;
  border: 1px solid var(--border-color);
}

.menu-dropdown {
  position: relative;
}

.menu-dropdown-content {
  background: var(--surface-elevated);
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow-hover);
  border-radius: var(--border-radius);
}

.menu-dropdown-content.show {
  display: block;
}

.menu-dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  color: var(--text-color);
}

.menu-dropdown-item:hover {
  background-color: var(--hover-bg);
  color: var(--primary-light);
}

.menu-dropdown-item.disabled {
  color: var(--text-disabled);
  cursor: not-allowed;
}

.menu-dropdown-item.disabled:hover {
  background-color: transparent;
  color: var(--text-disabled);
}

.menu-dropdown-separator {
  height: 1px;
  background-color: var(--border-color);
  margin: 8px 0;
}

.menu-dropdown-icon {
  width: 20px;
  text-align: center;
  color: var(--text-muted);
}

.menu-dropdown-shortcut {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-muted);
}

.menu-item.active {
  background-color: var(--active-bg);
  color: var(--primary-color);
}

/* ================================
   DROPDOWN STYLES
   ================================ */
.dropdown-menu {
  background: var(--surface-elevated);
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow-hover);
  transition: var(--transition);
  border-radius: var(--border-radius);
}

.dropdown-item {
  color: var(--text-color);
  font-weight: 400;
  font-size: var(--bs-nav-link-font-size);
  padding: 8px 16px;
  transition: var(--transition);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: var(--hover-bg);
  color: var(--primary-light);
}

.dropdown-item.active {
  background: var(--active-bg);
  color: var(--primary-color);
}

.dropdown-item i {
  margin-right: 0.5rem;
}

.dropdown-divider {
  border-top: 1px solid var(--border-color);
}

/* ================================
   BUTTON STYLES
   ================================ */
.btn {
  min-width: 34px;
  font-weight: 500;
  transition: var(--transition);
  /* border-radius: var(--border-radius); */
}   

.btn-viewport,
.btn-content,
.btn-dark {
  background: var(--surface-bg);
  border: 1px solid var(--border-color) !important;
  color: var(--text-color);
  transition: var(--transition);
  box-shadow: none;
}

.btn-viewport:hover {
  background-color: var(--hover-bg) !important;
  border-color: var(--primary-color) !important;
  color: var(--primary-light);
}

.btn-viewport.active,
.btn.active {
  background-color: var(--active-bg) !important;
  border-color: var(--primary-color) !important;
  color: var(--primary-color);
}

.btn-content:hover,
.btn-content:active {
  background-color: var(--hover-bg) !important;
  border-color: var(--accent-color) !important;
  color: var(--accent-color-hover);
}

.btn-content.active {
  background-color: rgba(255, 107, 107, 0.1) !important;
  border-color: var(--accent-color) !important;
  color: var(--accent-color);
}

.btn-dark:hover,
.btn-dark:focus,
.btn-dark:active {
  background: var(--hover-bg) !important;
  border-color: var(--primary-color) !important;
  color: var(--primary-color) !important;
}

.btn-outline-danger {
  background: var(--surface-bg) !important;
  border: 1px solid var(--accent-color) !important;
  color: var(--accent-color) !important;
  transition: var(--transition);
}

.btn-outline-danger:hover,
.btn-outline-danger:focus,
.btn-outline-danger:active {
  background: var(--accent-color) !important;
  border-color: var(--accent-color) !important;
  color: var(--background-color) !important;
}

.btn-outline-warning {
  background: var(--surface-bg) !important;
  border: 1px solid var(--warning-color) !important;
  color: var(--warning-color) !important;
  transition: var(--transition) !important;
}

.btn-outline-warning:hover,
.btn-outline-warning:focus,
.btn-outline-warning:active {
  background: var(--warning-color) !important;
  border-color: var(--warning-color) !important;
  color: var(--background-color) !important;
}

.btn-group .btn {
  border-right: 1px solid var(--border-color);
}

.btn-group .btn:last-child {
  border-right: none;
}

/* ================================
   FORM CONTROLS
   ================================ */
.form-control,
.form-select {
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  background: var(--surface-elevated);
  border-color: var(--primary-color);
  box-shadow: var(--box-shadow-focus);
  color: var(--text-color);
}

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

.form-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.notes-box .form-label {
  font-size: 12px;
}

/* ================================
   MAIN LAYOUT PANELS
   ================================ */
#componentListContainer,
#settingsPanel {
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  box-shadow: var(--box-shadow);
  height: calc(99vh - 90px);
  overflow-y: auto;
  transition: var(--transition);
  position: relative;
  z-index: 5;
  border-top: none;
  border-bottom: none;
}

#componentListContainer h5,
#settingsPanel h5,
#previewWindow h5 {
  color: var(--text-color);
  margin-bottom: 1.5rem;
  font-weight: 500;
  font-size: 1.25rem;
}

#viewportContainer {
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  height: calc(99vh - 90px);
  position: relative;
  z-index: 5;
  border-top: none;
  border-bottom: none;
}

#previewFrame {
  background-color: var(--surface-elevated);
  max-width: 100%;
  display: block;
  height: 100%;
  border: none;
  /* border-radius: var(--border-radius); */
}

.preview-container h5 {
  color: var(--text-color);
  font-weight: 500;
}

/* ================================
   COLLAPSED STATES
   ================================ */
.collapsed {
  width: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  transition: var(--transition);
}

#componentListContainer.collapsed,
#settingsPanel.collapsed {
  display: none;
}

/* ================================
   MODAL STYLES
   ================================ */
.modal-content {
  background: var(--surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  color: var(--text-color);
  box-shadow: var(--box-shadow-hover);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
}

.modal-footer {
  border-top: 1px solid var(--border-color);
}

.modal-title {
  color: var(--text-color);
  font-weight: 500;
}

.btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

/* ================================
   LIBRARY & COMPONENT ITEMS
   ================================ */
.library-item {
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  border-radius: var(--border-radius);
}

.library-item:hover {
  border-color: #08867d !important;
  background: var(--hover-bg);
  box-shadow: var(--box-shadow-hover);
}

.fa-grip-vertical {
  cursor: grab;
  color: var(--text-muted);
}

.fa-grip-vertical:hover {
  color: var(--primary-color);
}

/* ================================
   LOADER
   ================================ */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--background-color);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ================================
   THEME SWITCH
   ================================ */
.theme-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 31px;
}

.theme-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  background: var(--surface-bg);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5px;
  box-sizing: border-box;
}

.slider .icon {
  font-size: 18px;
  user-select: none;
}

.slider .sun {
  color: var(--text-muted);
}

.slider .moon {
  color: var(--primary-color);
}

.theme-switch input:checked + .slider {
  background-color: var(--hover-bg);
  border-color: var(--primary-color);
}

.theme-switch input + .slider::before {
  content: "";
  position: absolute;
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background-color: var(--primary-color);
  border-radius: 50%;
  transition: transform 0.3s;
}

.theme-switch input:checked + .slider::before {
  transform: translateX(30px);
}

/* ================================
   TEXT & LINK OVERRIDES
   ================================ */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-color);
}

p, span, div {
  color: var(--text-color);
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  color: var(--primary-light);
  text-decoration: none;
}

/* ================================
   TABLE STYLES
   ================================ */
.table {
  color: var(--text-color);
}

.table-dark {
  --bs-table-bg: var(--surface-bg);
  --bs-table-striped-bg: var(--hover-bg);
  --bs-table-border-color: var(--border-color);
}

.table-hover > tbody > tr:hover > td,
.table-hover > tbody > tr:hover > th {
  background-color: var(--hover-bg);
}

/* ================================
   ALERT STYLES
   ================================ */
.alert {
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: var(--border-radius);
}

.alert-primary {
  background: var(--primary-bg-subtle);
  border-color: var(--primary-color);
  color: var(--primary-light);
}

.alert-danger {
  background: rgba(255, 107, 107, 0.1);
  border-color: var(--accent-color);
  color: var(--accent-color-hover);
}

.alert-warning {
  background: rgba(255, 167, 38, 0.1);
  border-color: var(--warning-color);
  color: var(--warning-hover);
}

/* ================================
   FOCUS STYLES
   ================================ */
*:focus {
  outline: none;
}

button:focus,
.btn:focus,
input:focus,
select:focus,
textarea:focus {
  box-shadow: var(--box-shadow-focus);
}

/* ================================
   RESPONSIVE STYLES
   ================================ */
@media (max-width: 768px) {
  #componentListContainer,
  #settingsPanel {
    height: auto;
    margin-bottom: 1rem;
  }

  #viewportContainer {
    height: 500px;
  }

  .container-fluid {
    padding: 1rem;
  }
}

@media (max-width: 576px) {
  .doc-title {
    flex-wrap: wrap;
    gap: 4px;
  }

  .doc-name {
    min-width: 150px;
  }
}

@media (min-width: 992px) {
  .navbar-collapse {
    background: none;
    border: none;
    margin-top: 0;
    padding: 0;
    box-shadow: none;
  }
}