/* Theme Colors */
:root {
  --f7-theme-color: #ff3b30;
  --f7-theme-color-rgb: 255, 59, 48;
  --app-bg-color: #1a1a1a;
  --app-text-primary: rgba(255, 255, 255, 0.87);
  --app-text-secondary: rgba(255, 255, 255, 0.6);
  --app-text-description: #808080;
  --app-toolbar-bg: #000000;
  --app-toolbar-icon: #666666;
  --app-red-darker: #cc2f26;
  --app-red-lighter: #ff7268;
  --app-surface-1: #1e1e1e;
  --app-surface-2: #2d2d2d;
  --app-surface-3: #404040;
  --app-divider: rgba(255, 255, 255, 0.12);
}

/* Dark Theme Variables */
:root.theme-dark {
  --f7-page-bg-color: #121212;
  --f7-bars-bg-color: var(--app-surface-1);
  --f7-list-bg-color: var(--app-surface-1);
  --f7-list-item-bg-color: var(--app-surface-1);
  --f7-list-item-border-color: var(--app-divider);
  --f7-list-item-text-color: var(--app-text-primary);
  --f7-list-item-after-text-color: var(--app-text-secondary);
  --f7-card-bg-color: var(--app-surface-1);
  --f7-card-outline-border-color: var(--app-divider);
  --f7-navbar-bg-color: var(--app-surface-1);
  --f7-navbar-text-color: var(--app-text-primary);
  --f7-toolbar-bg-color: var(--app-surface-1);
  --f7-tabbar-link-inactive-color: var(--app-text-secondary);
  --f7-tabbar-link-active-color: var(--f7-theme-color);
  --f7-searchbar-bg-color: var(--app-surface-2);
  --f7-input-bg-color: var(--app-surface-2);
}

/* Base Styles */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: var(--app-bg-color);
  color: var(--app-text-primary);
  font-family: -apple-system, system-ui, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

body {
  font-weight: 400;
}

/* Logo and Title */
.logo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 40px;
  margin-bottom: 20px;
}

.logo {
  width: 120px;
  height: 120px;
  margin-bottom: 20px;
}

.app-title {
  font-size: 24px;
  font-weight: normal;
  letter-spacing: 2px;
  margin: 0;
  color: var(--app-text-primary);
}

/* Description Text */
.description {
  text-align: center;
  padding: 20px;
  font-family: "SF Mono", "Roboto Mono", Consolas, monospace;
  color: var(--app-text-description);
  font-size: 14px;
  line-height: 1.6;
}

/* App Layout */
#app {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.view-main {
  flex: 1;
  height: 100%;
}

.page {
  background-color: var(--app-bg-color);
}

.page-content {
  padding-bottom: 50px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--app-text-primary);
  font-weight: 600;
}

p {
  color: var(--app-text-primary);
  margin-bottom: 1rem;
}

/* Interactive Elements */
.button {
  --f7-button-bg-color: var(--f7-theme-color);
  --f7-button-pressed-bg-color: var(--app-red-darker);
  --f7-button-hover-bg-color: var(--app-red-lighter);
  transition: background-color 0.2s ease;
}

.button-outline {
  border-color: var(--f7-theme-color);
  color: var(--f7-theme-color);
}

.button-outline:active {
  background-color: rgba(var(--f7-theme-color-rgb), 0.15);
}

/* Navigation */
.toolbar {
  --f7-toolbar-bg-color: var(--app-toolbar-bg);
  --f7-toolbar-height: 50px;
  background-color: var(--app-toolbar-bg) !important;
  border: none !important;
}

.toolbar-inner {
  padding: 0 10px;
}

.tab-link {
  color: var(--app-toolbar-icon);
  transition: color 0.2s ease;
}

.tab-link i {
  font-size: 24px;
  opacity: 0.7;
}

.tab-link-active {
  color: var(--app-text-primary) !important;
}

.tab-link-active i {
  opacity: 1;
}

/* Hide Labels */
.tabbar-labels .tab-link:not(.tab-link-active) .tabbar-label {
  display: none;
}

/* Content Fade */
.content-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--app-bg-color));
  pointer-events: none;
}

/* Iframe Container */
.iframe-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.iframe-content {
  width: 100%;
  height: 100%;
  border: none;
  background-color: var(--app-bg-color);
}

/* Hide Scrollbars */
.iframe-content {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.iframe-content::-webkit-scrollbar {
  display: none;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

/* Loading States */
.skeleton-text {
  background: linear-gradient(90deg, var(--app-surface-2) 25%, var(--app-surface-3) 37%, var(--app-surface-2) 63%);
  background-size: 400% 100%;
  animation: skeleton-loading 1.4s ease infinite;
}

@keyframes skeleton-loading {
  0% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0 50%;
  }
}

/* Links */
a {
  color: var(--f7-theme-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--app-red-lighter);
}

a:active {
  color: var(--app-red-darker);
}

/* Lists */
.list {
  background-color: var(--app-surface-1);
  border-radius: 8px;
  margin: 16px 0;
}

.list-item {
  background-color: var(--app-surface-1);
  transition: background-color 0.2s ease;
}

.list-item:active {
  background-color: var(--app-surface-2);
}

/* Cards */
.card {
  background-color: var(--app-surface-1);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:active {
  transform: translateY(1px);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* Inputs */
input, textarea, select {
  background-color: var(--app-surface-2);
  color: var(--app-text-primary);
  border: 1px solid var(--app-divider);
  border-radius: 8px;
  padding: 8px 12px;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--f7-theme-color);
  outline: none;
}