/**
 * Theme System - Light/Dark Mode
 */

/* Light Theme (Default) */
:root {
  --bg-color: #ffffff;
  --text-color: #212529;
  --text-primary: #212529;
  --card-bg: #ffffff;
  --card-border: #dee2e6;
  --card-shadow: rgba(0, 0, 0, 0.1);
  --border-color: #dee2e6;
  --nav-bg: #f8f9fa;
  --input-bg: #ffffff;
  --table-bg: #ffffff;
  --table-header-bg: #f8f9fa;
  --table-row-even: #f8f9fa;
  --table-row-hover: #e9ecef;
  --bg-gradient-start: #ffffff;
  --bg-gradient-mid: #f8f9fa;
  --bg-gradient-end: #f0f0f0;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-color: #1a1a2e;
  --text-color: #e0e0e0;
  --text-primary: #e0e0e0;
  --card-bg: #16213e;
  --card-border: #2d3748;
  --card-shadow: rgba(0, 0, 0, 0.3);
  --border-color: #2d3748;
  --nav-bg: #0f1419;
  --input-bg: #1e293b;
  --table-bg: #16213e;
  --table-header-bg: #0f1419;
  --table-row-even: #1e293b;
  --table-row-hover: #2d3748;
  --bg-gradient-start: #1a1a2e;
  --bg-gradient-mid: #16213e;
  --bg-gradient-end: #0f1419;
}

/* Apply theme colors */
body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
}

.card, .card-body {
  background-color: var(--card-bg) !important;
  border-color: var(--border-color) !important;
  color: var(--text-color) !important;
}

.navbar, .qq-nav {
  background-color: var(--nav-bg) !important;
}

.form-control, .form-select {
  background-color: var(--input-bg);
  color: var(--text-color);
  border-color: var(--border-color);
}

.table {
  background-color: var(--table-bg);
  color: var(--text-color);
}

.table thead th {
  background-color: var(--table-header-bg);
  color: var(--text-color);
  border-color: var(--border-color);
}

.table tbody tr:hover {
  background-color: var(--table-hover);
}

.table tbody td {
  border-color: var(--border-color);
}

/* Navbar links */
.navbar-nav .nav-link,
.qq-nav-link {
  color: var(--text-color) !important;
}

.navbar-nav .nav-link:hover,
.qq-nav-link:hover {
  color: var(--text-primary) !important;
  opacity: 0.8;
}

/* Buttons */
.btn {
  transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}

/* Text colors */
.text-muted {
  color: var(--text-color) !important;
  opacity: 0.7;
}

/* Simple Toggle Switch */
.theme-toggle-container {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 1;
}

.theme-toggle-container input[type="checkbox"] {
  width: 50px;
  height: 26px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: #ccc;
  border-radius: 13px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
  margin: 0;
  padding: 0;
  border: none;
  outline: none;
  z-index: 2;
  flex-shrink: 0;
}

.theme-toggle-container input[type="checkbox"]:hover {
  opacity: 0.8;
}

.theme-toggle-container input[type="checkbox"]:checked {
  background: #4a5568;
}

.theme-toggle-container input[type="checkbox"]::before {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: left 0.3s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  pointer-events: none;
}

.theme-toggle-container input[type="checkbox"]:checked::before {
  left: 26px;
}

.theme-toggle-container label {
  cursor: pointer;
  user-select: none;
  font-size: 1.2rem;
  margin: 0;
  padding: 4px;
  pointer-events: auto;
  z-index: 3;
  display: inline-block;
  line-height: 1;
}

.theme-toggle-container label:hover {
  opacity: 0.7;
  transform: scale(1.1);
  transition: transform 0.2s;
}