:root {
  --sidebar-bg: #ffffff;
  --sidebar-text: #5a6474;
  --sidebar-link-hover-bg: #f5f7fa;
  --sidebar-link-active-bg: #eef6ff;
  --sidebar-link-active-text: #1a73e8;
  --sidebar-border: #e8eaed;
  --sidebar-logo-text: #202124;
  --page-bg: #f8f9fa;
  --content-bg: #ffffff;
  --text-primary: #202124;
  --text-secondary: #5f6368;
  --text-muted: #80868b;
  --border-color: #dadce0;
  --border-light: #e8eaed;
  --link-color: #1a73e8;
  --link-hover-color: #174ea6;
  --primary-color: #1a73e8;
  --primary-hover-color: #174ea6;
  --primary-rgb: 26, 115, 232;
  --danger-color: #d93025;
  --danger-hover-color: #a50e0e;
  --danger-rgb: 217, 48, 37;
  --danger-light-bg: #fce8e6;
  --danger-light-border: #f5c6c4;
  --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 2px 6px 2px rgba(60, 64, 67, 0.15);
  --radius-lg: 12px;
  --radius-sm: 4px;
  --input-bg: #ffffff;
  --input-border: #dadce0;
  --input-hover-border: #c4c8cc;
  --input-focus-border: var(--primary-color);
  --input-focus-shadow: rgba(26, 115, 232, 0.15);

  --dark-sidebar-bg: #1f2937;
  --dark-page-bg: #111827;
  --dark-content-bg: #1f2937;
  --dark-text-primary: #f9fafb;
  --dark-text-secondary: #d1d5db;
  --dark-text-muted: #9ca3af;
  --dark-border-color: #4b5563;
  --dark-border-light: #374151;
  --dark-primary-color: #60a5fa;
  --dark-primary-hover-color: #93c5fd;
  --dark-primary-rgb: 96, 165, 250;
  --dark-danger-color: #f87171;
  --dark-danger-hover-color: #fca5a5;
  --dark-danger-rgb: 248, 113, 113;
  --dark-danger-light-bg: #452323;
  --dark-danger-light-border: #5f3030;
  --dark-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2), 0 2px 6px 2px rgba(0, 0, 0, 0.1);
  --dark-input-bg: #1f2937;
  --dark-input-border: var(--dark-border-color);
  --dark-input-hover-border: var(--dark-text-muted);
  --dark-input-focus-border: var(--dark-primary-color);
  --dark-input-focus-shadow: rgba(96, 165, 250, 0.2);
}

::selection {
  background-color: var(--sidebar-link-active-bg);
  color: var(--text-primary);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:not(i) {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif !important;
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body.admin-body {
  background-color: var(--page-bg);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

button,
input[type="submit"],
input[type="button"],
.btn {
  touch-action: manipulation;
}

body.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: var(--page-bg);
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background-color: var(--content-bg);
  padding: 32px 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.login-header i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.8125rem;
}

.form-control {
  display: block;
  width: 100%;
  padding: 9px 12px;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--input-bg);
  background-clip: padding-box;
  border: 1px solid var(--input-border);
  appearance: none;
  border-radius: var(--radius-sm);
  transition:
    border-color 0.15s ease-in-out,
    box-shadow 0.15s ease-in-out;
}

.form-control:hover {
  border-color: var(--input-hover-border);
}

.form-control:focus {
  border-color: var(--input-focus-border);
  outline: 0;
  box-shadow: 0 0 0 2px var(--input-focus-shadow);
}

.form-actions {
  margin-top: 28px;
  padding-top: 0;
  border-top: none;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.form-actions .btn {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  letter-spacing: 0.01em;
  user-select: none;
}

.btn i {
  font-size: 1em;
  margin-left: -2px;
  margin-right: 2px;
}

.btn-lg {
  padding: 10px 20px;
  font-size: 0.875rem;
  gap: 10px;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
}
.btn-primary:hover {
  background-color: var(--primary-hover-color);
  border-color: var(--primary-hover-color);
  color: #fff;
}

.alert {
  padding: 12px 16px;
  margin-bottom: 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8125rem;
  position: relative;
}

.alert-icon {
  font-size: 1rem;
  margin-top: 1px;
  flex-shrink: 0;
}

.alert-danger {
  color: var(--danger-color);
  background-color: var(--danger-light-bg);
  border-color: var(--danger-light-border);
}
.alert-danger .alert-icon {
  color: var(--danger-color);
}

body.dark-mode {
  --page-bg: var(--dark-page-bg);
  --content-bg: var(--dark-content-bg);
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --text-muted: var(--dark-text-muted);
  --border-color: var(--dark-border-color);
  --border-light: var(--dark-border-light);
  --primary-color: var(--dark-primary-color);
  --primary-hover-color: var(--dark-primary-hover-color);
  --primary-rgb: var(--dark-primary-rgb);
  --danger-color: var(--dark-danger-color);
  --danger-hover-color: var(--dark-danger-hover-color);
  --danger-rgb: var(--dark-danger-rgb);
  --danger-light-bg: var(--dark-danger-light-bg);
  --danger-light-border: var(--dark-danger-light-border);
  --shadow-sm: var(--dark-shadow-sm);
  --input-bg: var(--dark-input-bg);
  --input-border: var(--dark-input-border);
  --input-hover-border: var(--dark-input-hover-border);
  --input-focus-border: var(--dark-input-focus-border);
  --input-focus-shadow: var(--dark-input-focus-shadow);
}

body.dark-mode ::selection {
  background-color: var(--dark-sidebar-link-active-bg);
  color: var(--dark-sidebar-link-active-text);
}

body.dark-mode :focus-visible {
  outline-color: var(--dark-primary-color);
}

body.dark-mode .btn-primary {
  background-color: var(--dark-primary-color);
  border-color: var(--dark-primary-color);
  color: var(--dark-page-bg);
}
body.dark-mode .btn-primary:hover {
  background-color: var(--dark-primary-hover-color);
  border-color: var(--dark-primary-hover-color);
  color: var(--dark-page-bg);
}

body.dark-mode .alert-danger {
  color: var(--dark-danger-color);
  background-color: var(--dark-danger-light-bg);
  border-color: var(--dark-danger-light-border);
}
body.dark-mode .alert-danger .alert-icon {
  color: var(--dark-danger-color);
}