/* style.css - Material Design 3 Design System */

/* ============================================
   CSS VARIABLES - Material Design 3
   ============================================ */
:root {
  /* ========== M3 Color System ========== */

  /* Primary */
  --md-primary: #6750A4;
  --md-on-primary: #FFFFFF;
  --md-primary-container: #E8DEF8;
  --md-on-primary-container: #21005D;
  --md-primary-hover: #7965AF;

  /* Secondary */
  --md-secondary: #625B71;
  --md-on-secondary: #FFFFFF;
  --md-secondary-container: #E8DEF8;
  --md-on-secondary-container: #1D192B;

  /* Tertiary */
  --md-tertiary: #7D5260;
  --md-on-tertiary: #FFFFFF;
  --md-tertiary-container: #FFD8E4;
  --md-on-tertiary-container: #31111D;

  /* Error */
  --md-error: #B3261E;
  --md-on-error: #FFFFFF;
  --md-error-container: #F9DEDC;
  --md-on-error-container: #410E0B;

  /* Success (custom, not in M3 baseline) */
  --md-success: #386A20;
  --md-on-success: #FFFFFF;
  --md-success-container: #B8F397;
  --md-on-success-container: #052100;

  /* Warning (custom) */
  --md-warning: #7D5800;
  --md-on-warning: #FFFFFF;
  --md-warning-container: #FFDDB3;
  --md-on-warning-container: #281900;

  /* Surface & Background */
  --md-surface: #FFFFFF;
  --md-surface-dim: #DED8E1;
  --md-surface-bright: #FEF7FF;
  --md-surface-container-lowest: #FFFFFF;
  --md-surface-container-low: #F7F2FA;
  --md-surface-container: #F3EDF7;
  --md-surface-container-high: #ECE6F0;
  --md-surface-container-highest: #E6E0E9;
  --md-surface-variant: #E7E0EC;
  --md-on-surface: #1C1B1F;
  --md-on-surface-variant: #49454F;
  --md-background: #FEF7FF;
  --md-on-background: #1C1B1F;

  /* Outline */
  --md-outline: #79747E;
  --md-outline-variant: #CAC4D0;

  /* Inverse */
  --md-inverse-surface: #313033;
  --md-inverse-on-surface: #F4EFF4;
  --md-inverse-primary: #D0BCFF;

  /* ========== Legacy aliases (для обратной совместимости) ========== */
  --color-primary: var(--md-primary);
  --color-primary-hover: var(--md-primary-hover);
  --color-primary-light: var(--md-primary-container);
  --color-primary-glow: rgba(103, 80, 164, 0.5);

  --color-success: var(--md-success);
  --color-success-light: var(--md-success-container);
  --color-success-dark: var(--md-on-success-container);

  --color-warning: var(--md-warning);
  --color-warning-light: var(--md-warning-container);
  --color-warning-dark: var(--md-on-warning-container);

  --color-danger: var(--md-error);
  --color-danger-light: var(--md-error-container);
  --color-danger-dark: var(--md-on-error-container);

  --color-info: var(--md-primary);
  --color-info-light: var(--md-primary-container);
  --color-info-dark: var(--md-on-primary-container);

  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-gray-100: var(--md-surface-container-low);
  --color-gray-200: var(--md-surface-container);
  --color-gray-300: var(--md-surface-container-high);
  --color-gray-400: var(--md-outline-variant);
  --color-gray-500: var(--md-outline);
  --color-gray-600: var(--md-on-surface-variant);
  --color-gray-700: #49454F;
  --color-gray-800: var(--md-on-surface);

  /* Text Colors */
  --text-primary: var(--md-on-surface);
  --text-secondary: var(--md-on-surface-variant);
  --text-muted: var(--md-on-surface-variant);
  --text-light: var(--md-on-primary);

  /* Background Colors */
  --bg-body: var(--md-background);
  --bg-surface: var(--md-surface);
  --bg-input: var(--md-surface);

  /* Border */
  --border-color: var(--md-outline-variant);
  --border-color-light: var(--md-outline-variant);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  /* ========== M3 Shape Scale ========== */
  --md-shape-none: 0;
  --md-shape-extra-small: 4px;
  --md-shape-small: 8px;
  --md-shape-medium: 12px;
  --md-shape-large: 16px;
  --md-shape-extra-large: 28px;
  --md-shape-full: 9999px;

  /* Legacy radius aliases */
  --radius-sm: var(--md-shape-extra-small);
  --radius-md: var(--md-shape-medium);
  --radius-lg: var(--md-shape-large);
  --radius-xl: var(--md-shape-extra-large);
  --radius-full: var(--md-shape-full);

  /* ========== M3 Elevation (Shadows) ========== */
  --md-elevation-1: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
  --md-elevation-2: 0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);
  --md-elevation-3: 0 4px 8px 3px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0, 0, 0, 0.3);
  --md-elevation-4: 0 6px 10px 4px rgba(0, 0, 0, 0.15), 0 2px 3px rgba(0, 0, 0, 0.3);
  --md-elevation-5: 0 8px 12px 6px rgba(0, 0, 0, 0.15), 0 4px 4px rgba(0, 0, 0, 0.3);

  /* Legacy shadow aliases */
  --shadow-sm: var(--md-elevation-1);
  --shadow-md: var(--md-elevation-2);
  --shadow-lg: var(--md-elevation-3);

  /* Typography */
  --font-family: 'Roboto', Arial, sans-serif;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 2em;
  --font-weight-medium: 500;

  /* Transitions */
  --transition-fast: 0.1s ease;
  --transition-normal: 0.2s ease;

  /* Z-index */
  --z-sticky: 50;
  --z-modal-backdrop: 999;
  --z-modal: 1000;
}

/* ============================================
   RESET & BASE
   ============================================ */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  background-color: var(--bg-body);
  color: var(--text-primary);
}

/* ============================================
   LAYOUT
   ============================================ */
header {
  background-color: var(--color-primary);
  color: var(--text-light);
  padding: var(--space-lg) 0;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

header h1 {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: bold;
}

nav {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  margin: 0;
  padding: var(--space-sm) 0;
}

nav ul li {
  margin: 0 var(--space-md);
}

nav ul li a,
nav ul li form label {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: bold;
  transition: color var(--transition-normal), background-color var(--transition-normal), transform var(--transition-normal);
  padding: var(--space-sm) 12px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  display: inline-block;
}

nav ul li a:hover,
nav ul li form label:hover,
nav ul li.active > a {
  color: var(--text-light);
  background-color: var(--color-primary-hover);
  transform: scale(1.05);
}

nav ul li form input[type="submit"] {
  display: none;
}

main {
  padding: var(--space-lg);
  flex: 1;
  background-color: var(--bg-surface);
}

footer {
  background-color: var(--color-primary);
  color: var(--text-light);
  text-align: center;
  padding: var(--space-md) 0;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
  font-size: var(--font-size-sm);
}

/* ============================================
   CONTAINERS
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg);
}

.project-container {
  position: relative;
  width: 100%;
  min-width: 800px;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-xl);
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  box-sizing: border-box;
}

.project-container h1,
.project-container h2 {
  text-align: center;
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
}

.section-container {
  margin-top: var(--space-lg);
}

/* ============================================
   BUTTONS - Material Design 3
   ============================================ */

/* Base button - M3 Filled Button style */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border: none;
  border-radius: var(--md-shape-full); /* M3 pill shape */
  cursor: pointer;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.1px;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-normal),
              box-shadow var(--transition-normal),
              transform var(--transition-fast);
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.btn:hover:not(:disabled) {
  background-color: var(--md-primary-hover);
  box-shadow: var(--md-elevation-1);
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

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

.btn:disabled,
.btn.disabled {
  background-color: var(--md-on-surface);
  color: var(--md-surface);
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button (M3 Filled) - inherits from .btn */
.btn-primary {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--md-primary-hover);
}

/* Custom button (standalone, for legacy compatibility) */
.custom-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  background-color: var(--md-primary);
  color: var(--md-on-primary);
  border: none;
  border-radius: var(--md-shape-full);
  cursor: pointer;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.1px;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-normal),
              box-shadow var(--transition-normal),
              transform var(--transition-fast);
}

.custom-button:hover:not(:disabled) {
  background-color: var(--md-primary-hover);
  box-shadow: var(--md-elevation-1);
}

.custom-button:active:not(:disabled) {
  transform: scale(0.98);
}

.custom-button:disabled,
.custom-button.disabled {
  background-color: var(--md-on-surface);
  color: var(--md-surface);
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

/* Secondary Button (M3 Tonal / Filled Tonal) */
.btn-secondary {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--md-surface-container-highest);
  box-shadow: var(--md-elevation-1);
}

/* M3 Tonal Button (alternative name) */
.btn-tonal {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.btn-tonal:hover:not(:disabled) {
  background-color: var(--md-surface-container-highest);
}

/* Success Button */
.btn-success {
  background-color: var(--md-success);
  color: var(--md-on-success);
}

.btn-success:hover:not(:disabled) {
  background-color: #2d5a1a;
  box-shadow: var(--md-elevation-1);
}

/* Danger Button (M3 Error) */
.btn-danger {
  background-color: var(--md-error);
  color: var(--md-on-error);
}

.btn-danger:hover:not(:disabled) {
  background-color: #8c1d18;
  box-shadow: var(--md-elevation-1);
}

/* Info Button (uses Primary) */
.btn-info {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.btn-info:hover:not(:disabled) {
  background-color: var(--md-primary-hover);
  box-shadow: var(--md-elevation-1);
}

/* Outline Button (M3 Outlined) */
.btn-outline {
  background-color: transparent;
  border: 1px solid var(--md-outline);
  color: var(--md-primary);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--md-primary-container);
}

.btn-outline-danger {
  background-color: transparent;
  border: 1px solid var(--md-error);
  color: var(--md-error);
}

.btn-outline-danger:hover:not(:disabled) {
  background-color: var(--md-error-container);
}

/* Text Button (M3 Text) */
.btn-text {
  background-color: transparent;
  color: var(--md-primary);
  border: none;
  padding: 10px 12px;
}

.btn-text:hover:not(:disabled) {
  background-color: var(--md-primary-container);
}

/* Small Button */
.btn-sm {
  min-height: 32px;
  padding: 6px 16px;
  font-size: 12px;
}

/* Remove/Delete Button */
.remove-button {
  background-color: transparent;
  color: var(--md-error);
  border: none;
  cursor: pointer;
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
  padding: var(--space-xs);
  transition: color var(--transition-normal);
}

.remove-button:hover {
  color: var(--md-on-error-container);
}

.remove-button.disabled {
  color: var(--md-outline);
  cursor: not-allowed;
  opacity: 0.38;
  pointer-events: none;
}

/* Edit Button */
.edit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 6px 16px;
  background-color: var(--md-primary);
  color: var(--md-on-primary);
  border: none;
  border-radius: var(--md-shape-full);
  cursor: pointer;
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  margin-left: var(--space-xs);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.edit-button:hover {
  background-color: var(--md-primary-hover);
  box-shadow: var(--md-elevation-1);
}

/* Button Groups */
.button-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
}

.button-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.btn-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ============================================
   FORMS - Material Design 3
   ============================================ */
.form-container {
  margin-top: var(--space-lg);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-xs);
  color: var(--md-on-surface);
  font-size: var(--font-size-sm);
}

/* M3 Text Field (Outlined variant) */
.form-control {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--md-outline);
  border-radius: var(--md-shape-medium);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  box-sizing: border-box;
  background-color: var(--md-surface);
  color: var(--md-on-surface);
  transition: border-color var(--transition-normal),
              box-shadow var(--transition-normal),
              outline var(--transition-normal);
}

.form-control:hover:not(:disabled):not(:focus) {
  border-color: var(--md-on-surface);
}

.form-control:focus {
  outline: 2px solid var(--md-primary);
  outline-offset: -2px;
  border-color: var(--md-primary);
}

.form-control:disabled {
  background-color: var(--md-surface-container);
  border-color: var(--md-outline-variant);
  color: var(--md-on-surface);
  cursor: not-allowed;
  opacity: 0.38;
}

/* M3 Styled inputs */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--md-outline);
  border-radius: var(--md-shape-medium);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  box-sizing: border-box;
  margin-bottom: var(--space-sm);
  background-color: var(--md-surface);
  color: var(--md-on-surface);
  transition: border-color var(--transition-normal),
              outline var(--transition-normal);
}

input[type="text"]:hover:not(:disabled):not(:focus),
input[type="email"]:hover:not(:disabled):not(:focus),
input[type="password"]:hover:not(:disabled):not(:focus),
input[type="number"]:hover:not(:disabled):not(:focus),
select:hover:not(:disabled):not(:focus),
textarea:hover:not(:disabled):not(:focus) {
  border-color: var(--md-on-surface);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--md-primary);
  outline-offset: -2px;
  border-color: var(--md-primary);
}

/* Select dropdown M3 styling */
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%2349454F' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* Checkbox & Radio - M3 style */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-md); /* Увеличен gap для switch */
  margin-bottom: var(--space-md);
  cursor: pointer;
  min-height: 32px; /* Высота switch */
}

.form-check-input {
  /* Теперь все чекбоксы - это switch, размеры задаются в секции M3 SWITCH */
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
}

.form-check-label {
  font-weight: normal;
  margin-bottom: 0;
  color: var(--md-on-surface);
  cursor: pointer;
}

/* File selection checkboxes - стандартный вид */
input[type="checkbox"].file-checkbox,
input[type="radio"] {
  appearance: auto;
  -webkit-appearance: checkbox;
  width: 18px;
  height: 18px;
  accent-color: var(--md-primary);
  cursor: pointer;
}

input[type="checkbox"].file-checkbox:disabled,
input[type="radio"]:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

/* Form Text/Help - M3 Supporting text */
.form-text {
  font-size: 12px;
  color: var(--md-on-surface-variant);
  margin-top: var(--space-xs);
  line-height: 1.4;
}

/* ============================================
   M3 SWITCH - Toggle стилизация чекбокса
   Применяется ко ВСЕМ чекбоксам, кроме .file-checkbox
   ============================================ */

/* Контейнер для switch с лейблом */
.switch-container {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

/* M3 Switch Track и Thumb через CSS */
/* Применяется ко всем чекбоксам кроме .file-checkbox (чекбоксы выбора файлов) */
input[type="checkbox"]:not(.file-checkbox) {
  appearance: none;
  -webkit-appearance: none;
  width: 52px;
  height: 32px;
  background-color: var(--md-surface-container-highest);
  border: 2px solid var(--md-outline);
  border-radius: 16px;
  position: relative;
  cursor: pointer;
  transition: background-color var(--transition-normal),
              border-color var(--transition-normal);
}

/* Track unchecked hover */
input[type="checkbox"]:not(.file-checkbox):hover:not(:disabled) {
  border-color: var(--md-on-surface);
}

/* Thumb (псевдоэлемент) */
input[type="checkbox"]:not(.file-checkbox)::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background-color: var(--md-outline);
  border-radius: 50%;
  top: 50%;
  left: 6px;
  transform: translateY(-50%);
  transition: transform var(--transition-normal),
              width var(--transition-normal),
              height var(--transition-normal),
              left var(--transition-normal),
              background-color var(--transition-normal);
}

/* Checked state */
input[type="checkbox"]:not(.file-checkbox):checked {
  background-color: var(--md-primary);
  border-color: var(--md-primary);
}

/* Thumb checked state - больший и смещённый */
input[type="checkbox"]:not(.file-checkbox):checked::before {
  width: 24px;
  height: 24px;
  left: calc(100% - 28px);
  background-color: var(--md-on-primary);
}

/* Checked hover */
input[type="checkbox"]:not(.file-checkbox):checked:hover:not(:disabled) {
  background-color: var(--md-primary-hover);
  border-color: var(--md-primary-hover);
}

/* Focus state */
input[type="checkbox"]:not(.file-checkbox):focus-visible {
  outline: 2px solid var(--md-primary);
  outline-offset: 2px;
}

/* Disabled state */
input[type="checkbox"]:not(.file-checkbox):disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

/* Hidden File Input */
.hidden-file-input,
input[type="file"].hidden {
  display: none;
}

/* Custom Label (for file inputs) */
.custom-label {
  font-weight: bold;
  margin-bottom: var(--space-xs);
}

/* ============================================
   TABLES - Material Design 3
   ============================================ */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-lg);
  background-color: var(--md-surface);
  border-radius: var(--md-shape-medium);
  overflow: hidden;
}

table th,
table td {
  border: none;
  border-bottom: 1px solid var(--md-outline-variant);
  padding: var(--space-md) var(--space-sm);
  text-align: left;
  color: var(--md-on-surface);
}

table th {
  background-color: var(--md-surface);
  font-weight: var(--font-weight-medium);
  color: var(--md-on-surface-variant);
  font-size: var(--font-size-sm);
  text-transform: none;
  letter-spacing: 0.1px;
}

/* Убираем border у последней строки */
table tbody tr:last-child td {
  border-bottom: none;
}

table tbody tr:hover {
  background-color: var(--md-surface-container-low);
}

/* Чётные строки без явного выделения в M3, но можно оставить subtle */
table tbody tr:nth-child(even) {
  background-color: transparent;
}

/* Status Table */
.statusTable table {
  margin: 0 auto;
  width: auto;
}

.statusTable table th,
.statusTable table td {
  text-align: center;
  padding: var(--space-sm);
}

.statusTable table thead th {
  position: sticky;
  top: 70px;
  z-index: var(--z-sticky);
  background-color: var(--bg-surface);
}

/* Cell Status Colors */
.cell-true,
.cell-success {
  background-color: var(--color-success-light);
}

.cell-false,
.cell-error {
  background-color: var(--color-danger-light);
}

/* ============================================
   ALERTS & STATUS BOXES - Material Design 3
   ============================================ */
.alert {
  padding: var(--space-md);
  border-radius: var(--md-shape-medium);
  margin-bottom: var(--space-md);
  border: none;
}

.alert-success {
  background-color: var(--md-success-container);
  color: var(--md-on-success-container);
}

.alert-warning {
  background-color: var(--md-warning-container);
  color: var(--md-on-warning-container);
}

.alert-danger {
  background-color: var(--md-error-container);
  color: var(--md-on-error-container);
}

.alert-info {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

/* Info Box (sticky status) */
.info-box {
  min-height: 40px;
  overflow-y: auto;
  position: sticky;
  top: 0;
  z-index: var(--z-modal-backdrop);
  background-color: var(--md-warning-container);
  color: var(--md-on-warning-container);
  border-radius: var(--md-shape-medium);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  text-align: center;
}

/* ============================================
   BADGES - Material Design 3
   ============================================ */
.badge {
  display: inline-block;
  padding: 4px var(--space-sm);
  border-radius: var(--md-shape-small);
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.1px;
}

/* M3 Tonal badges */
.badge-success,
.badge-public {
  background-color: var(--md-success-container);
  color: var(--md-on-success-container);
}

.badge-danger,
.badge-private {
  background-color: var(--md-error-container);
  color: var(--md-on-error-container);
}

.badge-warning {
  background-color: var(--md-warning-container);
  color: var(--md-on-warning-container);
}

.badge-info {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.badge-secondary {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

/* Status Badges - M3 style */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--md-shape-small);
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.1px;
  border: none;
}

.status-completed {
  background-color: var(--md-success-container);
  color: var(--md-on-success-container);
}

.status-processing {
  background-color: var(--md-warning-container);
  color: var(--md-on-warning-container);
}

.status-failed {
  background-color: var(--md-error-container);
  color: var(--md-on-error-container);
}

/* Owner Badge */
.owner-badge {
  background-color: var(--md-surface-container-high);
  color: var(--md-on-surface-variant);
  padding: 4px 8px;
  border-radius: var(--md-shape-extra-small);
  font-size: 12px;
}

/* ============================================
   MODALS - Material Design 3 Dialog
   ============================================ */
.modal {
  display: none;
  position: fixed;
  z-index: var(--z-modal);
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.32); /* M3 scrim */
  animation: fadeIn var(--transition-normal);
}

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

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--md-surface-container-high);
  margin: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--md-shape-extra-large); /* 28px */
  width: 90%;
  max-width: 560px; /* M3 dialog max width */
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--md-elevation-3);
  animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Для больших диалогов */
.modal-content.modal-large {
  max-width: 800px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.modal-title {
  margin: 0;
  color: var(--md-on-surface);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
}

.modal-body {
  padding: var(--space-sm) 0;
  color: var(--md-on-surface-variant);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  margin-top: var(--space-md);
}

.modal-close,
.close {
  background: none;
  border: none;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  color: var(--color-gray-500);
  line-height: 1;
}

.modal-close:hover,
.close:hover {
  color: var(--text-primary);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  border: 1px solid var(--border-color-light);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  background-color: var(--bg-surface);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.card-new-session {
  border-top: 4px solid var(--color-info);
  margin-top: var(--space-lg);
  position: relative;
}

.card-new-session::before {
  content: "New Session";
  position: absolute;
  top: -12px;
  left: var(--space-lg);
  background: var(--color-white);
  padding: 0 var(--space-sm);
  color: var(--color-info);
  font-weight: bold;
  font-size: 12px;
  text-transform: uppercase;
}

/* ============================================
   LINKS
   ============================================ */
a {
  color: var(--color-info);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.link-primary {
  color: var(--color-primary);
}

.link-danger {
  color: var(--color-danger);
}

/* ============================================
   DATABASE MANAGEMENT
   ============================================ */
.db-management-container {
  margin-top: var(--space-lg);
}

.db-management-container h2 {
  text-align: center;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.db-management-container .form-container input[type="text"],
.db-management-container .form-container input[type="number"],
.db-management-container .form-container select,
.db-management-container .form-container textarea {
  width: 100%;
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-sizing: border-box;
}

.db-management-container .form-container button {
  width: auto;
  padding: var(--space-sm);
  background-color: var(--color-primary);
  color: var(--text-light);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

.db-management-container .form-container button:hover {
  background-color: var(--color-primary-hover);
}

/* Owner Management */
.manage-owners-btn {
  margin-left: var(--space-sm);
  padding: 2px var(--space-sm);
  font-size: 12px;
  cursor: pointer;
}

.owner-item {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.owner-actions {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-gray-200);
}

/* Prompt Step Block */
.prompt-step-block {
  border: 1px solid var(--border-color);
  margin: var(--space-sm) 0;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
}

/* OCR Config Section */
.ocr-config-section {
  margin-bottom: var(--space-md);
}

/* ============================================
   FILE BROWSER (Google Drive)
   ============================================ */

/* Page subtitle */
.page-subtitle {
  color: var(--md-on-surface-variant);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  margin: 0 0 var(--space-lg) 0;
}

/* Breadcrumbs navigation */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
}

.breadcrumb-link {
  color: var(--md-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  color: var(--md-primary-hover);
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--md-on-surface-variant);
}

.breadcrumb-current {
  color: var(--md-on-surface);
  font-weight: var(--font-weight-medium);
}

/* Compact file table */
.drive-table {
  width: 100%;
  table-layout: fixed;
}

.drive-table td {
  padding: 8px 12px;
}

.drive-table th:first-child,
.drive-table td:first-child {
  width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.drive-table td:first-child a,
.drive-table td:first-child label {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.drive-table th:nth-child(2),
.drive-table td:nth-child(2) {
  width: calc(40% - 40px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.drive-table th:last-child,
.drive-table td:last-child {
  width: 40px;
  text-align: center;
}

.drive-file-list {
  max-height: 60vh;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
  background-color: var(--bg-surface);
}

/* Highlight selectable rows (with checkbox) */
.drive-file-list tr:has(.file-checkbox) {
  background-color: var(--md-primary-container);
}

.drive-file-list tr:has(.file-checkbox):hover {
  background-color: var(--md-secondary-container);
}

.drive-file-list::-webkit-scrollbar {
  width: 10px;
}

.drive-file-list::-webkit-scrollbar-track {
  background: var(--color-gray-100);
}

.drive-file-list::-webkit-scrollbar-thumb {
  background: var(--color-gray-500);
  border-radius: var(--radius-sm);
}

.drive-file-list::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-700);
}

/* ============================================
   HISTORY TABLE
   ============================================ */
.history-table {
  box-shadow: var(--shadow-sm);
}

.history-table th {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.5px;
}

.file-link {
  color: var(--color-info);
  font-weight: 500;
}

.file-no-link {
  color: var(--text-secondary);
}

.cost-link {
  color: var(--color-info);
  text-decoration: underline;
  font-weight: 600;
}

.cost-link:hover {
  color: var(--color-info-dark);
}

.cost-processing {
  color: var(--color-warning);
  font-style: italic;
}

.cost-failed {
  color: var(--text-secondary);
}

/* API Key Error Badge */
.api-key-error-badge {
  display: inline-block;
  padding: 6px 12px;
  background-color: var(--color-danger-light);
  color: var(--color-danger-dark);
  border: 1px solid var(--color-danger);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
}

.api-key-error-badge:hover {
  background-color: #f1b0b7;
  text-decoration: none;
}

/* Cost Breakdown */
.job-info-box {
  background-color: var(--color-info-light);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  border-left: 4px solid var(--color-info);
}

.cost-highlight {
  font-size: var(--font-size-xl);
  font-weight: bold;
  color: var(--color-info);
}

.model-breakdown {
  border-left: 3px solid var(--color-success);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
  background-color: #f8fff9;
  border-radius: var(--radius-sm);
}

.model-breakdown strong {
  color: var(--color-success);
  font-size: var(--font-size-base);
}

/* ============================================
   SETTINGS PAGE
   ============================================ */
.settings-section {
  background-color: var(--bg-surface);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.settings-status {
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-lg);
}

.settings-status-success {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
}

.settings-status-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
  border-left: 4px solid var(--color-warning);
}

.settings-status-info {
  background-color: var(--color-info-light);
  color: var(--color-info-dark);
  border-left: 4px solid var(--color-info);
}

.settings-status-danger {
  background-color: var(--color-danger-light);
  color: var(--color-danger-dark);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Text Alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Text Colors */
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning-dark); }
.text-danger { color: var(--color-danger); }
.text-info { color: var(--color-info); }
.text-muted { color: var(--text-secondary); }
.text-primary { color: var(--color-primary); }

/* Font Weights */
.font-bold { font-weight: bold; }
.font-normal { font-weight: normal; }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }

/* Flex */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.align-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

/* Margins */
.m-0 { margin: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.ml-sm { margin-left: var(--space-sm); }
.mr-sm { margin-right: var(--space-sm); }

/* Padding */
.p-0 { padding: 0; }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }

/* Width */
.w-100 { width: 100%; }
.w-auto { width: auto; }
.max-w-500 { max-width: 500px; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Visibility */
.hidden { display: none !important; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* ============================================
   SPECIFIC ELEMENTS (Legacy Support)
   ============================================ */
#folderInputDevicePage,
#IdTableInput,
#idTableInput,
#idTableInput2,
#idTableInput3 {
  display: none;
}

#status {
  text-align: center;
  margin-top: var(--space-lg);
  color: var(--text-muted);
}

#downloadArea {
  margin-top: var(--space-lg);
  text-align: center;
}

#compiledFileList {
  padding: 0;
  margin: 0;
}

#email-container,
#email-container2 {
  text-align: center;
  margin: var(--space-sm);
}

#emailInput2 {
  width: 250px;
}

#logoutButton {
  display: none;
}

/* ============================================
   TABS - Material Design 3 Primary Tabs
   Компонент табов для переключения между секциями
   Пример использования:
   <div class="tabs">
     <button class="tab tab-active">Outputs</button>
     <button class="tab">Statistics</button>
   </div>
   ============================================ */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--md-outline-variant);
  margin-bottom: var(--space-lg);
}

.tab {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 90px;
  padding: 14px 24px;
  background: none;
  border: none;
  border-radius: 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.tab:hover {
  background-color: var(--md-surface-container-highest);
  color: var(--md-on-surface);
}

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

.tab-active,
.tab.active {
  color: var(--md-primary);
}

/* M3 Tab indicator - 3px underline */
.tab-active::after,
.tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  height: 3px;
  background-color: var(--md-primary);
  border-radius: 3px 3px 0 0;
}

/* Full-width tab indicator variant */
.tabs-full-indicator .tab-active::after,
.tabs-full-indicator .tab.active::after {
  width: 100%;
  left: 0;
  transform: none;
}

/* Secondary tabs (no bottom border) */
.tabs-secondary {
  border-bottom: none;
}

.tabs-secondary .tab {
  border-radius: var(--md-shape-full);
}

.tabs-secondary .tab-active,
.tabs-secondary .tab.active {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.tabs-secondary .tab-active::after,
.tabs-secondary .tab.active::after {
  display: none;
}

/* ============================================
   HAMBURGER MENU - Material Design 3 Navigation Drawer
   Мобильная навигация с выпадающим меню
   Пример использования:
   <button class="hamburger-btn">
     <span class="hamburger-icon"></span>
   </button>
   <div class="dropdown-menu">
     <a class="dropdown-menu-item" href="#">Item 1</a>
   </div>
   ============================================ */
.hamburger-btn {
  display: none; /* Показывается только на мобильных */
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  padding: 12px;
  background: none;
  border: none;
  border-radius: var(--md-shape-full);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.hamburger-btn:hover {
  background-color: var(--md-surface-container-highest);
}

.hamburger-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--md-on-surface);
  border-radius: 1px;
  position: relative;
  transition: background-color var(--transition-fast);
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--md-on-surface);
  border-radius: 1px;
  transition: transform var(--transition-fast);
}

.hamburger-icon::before {
  top: -7px;
}

.hamburger-icon::after {
  top: 7px;
}

/* Hamburger to X animation when open */
.hamburger-btn.open .hamburger-icon {
  background-color: transparent;
}

.hamburger-btn.open .hamburger-icon::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-btn.open .hamburger-icon::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  background-color: var(--md-surface-container);
  border-radius: var(--md-shape-medium);
  box-shadow: var(--md-elevation-2);
  padding: var(--space-xs) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
}

.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 16px;
  color: var(--md-on-surface);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: background-color var(--transition-fast);
}

.dropdown-menu-item:hover {
  background-color: var(--md-surface-container-highest);
  text-decoration: none;
}

.dropdown-menu-item-active {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

.dropdown-menu-divider {
  height: 1px;
  background-color: var(--md-outline-variant);
  margin: var(--space-xs) 0;
}

/* ============================================
   AUTOCOMPLETE DROPDOWN - for saved prompts
   ============================================ */

.autocomplete-wrapper {
  position: relative;
}

.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 200px;
  overflow-y: auto;
  background: var(--md-surface-container);
  border: 1px solid var(--md-outline);
  border-radius: var(--md-shape-medium);
  box-shadow: var(--md-elevation-2);
  z-index: var(--z-dropdown);
  display: none;
  margin-top: 4px;
}

.autocomplete-dropdown.show {
  display: block;
}

.autocomplete-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.autocomplete-item:hover {
  background-color: var(--md-surface-container-highest);
}

.autocomplete-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-right: var(--space-sm);
}

.autocomplete-delete {
  background: none;
  border: none;
  color: var(--md-error);
  font-size: 18px;
  cursor: pointer;
  padding: 0 var(--space-xs);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.autocomplete-delete:hover {
  opacity: 1;
}

/* Saved prompts select container */
.saved-prompts-select-container {
  margin-bottom: var(--space-sm);
}

/* ============================================
   WIZARD STEPS - Material Design 3 Stepper
   Пошаговый мастер (Step 1, Step 2, Step 3...)
   Пример использования:
   <div class="wizard">
     <div class="wizard-step wizard-step-completed">
       <span class="wizard-step-number">1</span>
       <span class="wizard-step-label">Upload</span>
     </div>
     <div class="wizard-step wizard-step-active">
       <span class="wizard-step-number">2</span>
       <span class="wizard-step-label">Configure</span>
     </div>
     <div class="wizard-step">
       <span class="wizard-step-number">3</span>
       <span class="wizard-step-label">Process</span>
     </div>
   </div>
   ============================================ */
.wizard {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: var(--space-xl);
}

.wizard-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
  padding: 0 var(--space-sm);
}

/* Connector line between steps */
.wizard-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 16px;
  left: calc(50% + 20px);
  width: calc(100% - 40px);
  height: 2px;
  background-color: var(--md-outline-variant);
}

.wizard-step-completed:not(:last-child)::after {
  background-color: var(--md-primary);
}

.wizard-step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--md-shape-full);
  background-color: var(--md-surface-container-highest);
  color: var(--md-on-surface-variant);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-xs);
  position: relative;
  z-index: 1;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.wizard-step-label {
  font-size: var(--font-size-sm);
  color: var(--md-on-surface-variant);
  text-align: center;
  max-width: 100px;
}

/* Active step */
.wizard-step-active .wizard-step-number {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: 0 0 0 4px var(--md-primary-container);
}

.wizard-step-active .wizard-step-label {
  color: var(--md-primary);
  font-weight: var(--font-weight-medium);
}

/* Completed step */
.wizard-step-completed .wizard-step-number {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.wizard-step-completed .wizard-step-number::after {
  content: '✓';
  font-size: 16px;
}

.wizard-step-completed .wizard-step-label {
  color: var(--md-on-surface);
}

/* Error step */
.wizard-step-error .wizard-step-number {
  background-color: var(--md-error);
  color: var(--md-on-error);
}

.wizard-step-error .wizard-step-label {
  color: var(--md-error);
}

/* ============================================
   COST DETAILS POPOVER - Material Design 3 Tooltip/Card
   Всплывающая детализация стоимости при клике на cost
   Пример использования:
   <span class="cost-trigger">$0.0234</span>
   <div class="cost-details-popover">
     <div class="cost-details-header">Cost Breakdown</div>
     <div class="cost-details-row">
       <span>Input tokens:</span>
       <span>1,234 → $0.0012</span>
     </div>
   </div>
   ============================================ */
.cost-trigger {
  position: relative;
  cursor: pointer;
  color: var(--md-primary);
  text-decoration: underline dotted;
  text-underline-offset: 2px;
}

.cost-trigger:hover {
  color: var(--md-primary);
  text-decoration: underline solid;
}

.cost-details-popover {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 280px;
  max-width: 360px;
  background-color: var(--md-surface-container-high);
  border-radius: var(--md-shape-medium);
  box-shadow: var(--md-elevation-3);
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  z-index: var(--z-tooltip);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}

.cost-details-popover.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(4px);
}

/* Arrow pointing to trigger */
.cost-details-popover::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid var(--md-surface-container-high);
}

.cost-details-header {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--md-on-surface);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--md-outline-variant);
}

.cost-details-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xs) 0;
  font-size: var(--font-size-sm);
  color: var(--md-on-surface-variant);
}

.cost-details-row:last-child {
  border-top: 1px solid var(--md-outline-variant);
  margin-top: var(--space-xs);
  padding-top: var(--space-sm);
  font-weight: var(--font-weight-medium);
  color: var(--md-on-surface);
}

.cost-details-value {
  font-family: monospace;
  color: var(--md-on-surface);
}

.cost-details-total {
  color: var(--md-primary);
  font-weight: var(--font-weight-bold);
}

/* ============================================
   PROGRESS INDICATOR - Material Design 3 Linear Progress
   Индикатор прогресса для загрузки и обработки
   Пример использования:
   <div class="progress-linear">
     <div class="progress-linear-track">
       <div class="progress-linear-indicator" style="width: 60%"></div>
     </div>
   </div>
   ============================================ */
.progress-linear {
  width: 100%;
  padding: var(--space-xs) 0;
}

.progress-linear-track {
  height: 4px;
  background-color: var(--md-surface-container-highest);
  border-radius: 2px;
  overflow: hidden;
}

.progress-linear-indicator {
  height: 100%;
  background-color: var(--md-primary);
  border-radius: 2px;
  transition: width var(--transition-slow);
}

/* Indeterminate animation */
.progress-linear-indeterminate .progress-linear-indicator {
  width: 30%;
  animation: progress-indeterminate 2s infinite ease-in-out;
}

@keyframes progress-indeterminate {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(200%);
  }
  100% {
    transform: translateX(-100%);
  }
}

/* ============================================
   CHIP - Material Design 3 Assist Chip
   Мелкие метки и фильтры
   Пример использования:
   <span class="chip">Label</span>
   <span class="chip chip-selected">Selected</span>
   ============================================ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 12px;
  background-color: var(--md-surface);
  border: 1px solid var(--md-outline);
  border-radius: var(--md-shape-small);
  font-size: var(--font-size-sm);
  color: var(--md-on-surface);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.chip:hover {
  background-color: var(--md-surface-container-highest);
}

.chip-selected {
  background-color: var(--md-secondary-container);
  border-color: transparent;
  color: var(--md-on-secondary-container);
}

.chip-icon {
  width: 18px;
  height: 18px;
}

/* ============================================
   COLUMN SELECTION - Processing Wizard
   Страница выбора колонок для обработки
   ============================================ */
.columns-select-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr 1fr;
  gap: var(--space-sm) var(--space-lg);
  align-items: center;
  margin-top: var(--space-lg);
}

.columns-select-grid .column-name {
  grid-column: 1;
  font-size: var(--font-size-base);
  color: var(--md-on-surface);
}

.columns-select-grid .column-sublabel {
  grid-column: 1;
  font-size: var(--font-size-sm);
  color: var(--md-on-surface-variant);
  padding-left: var(--space-md);
}

.columns-select-grid input.file-checkbox,
.columns-select-grid input.max-symbols-input,
.columns-select-grid input[type="checkbox"] {
  grid-column: 2;
  justify-self: start;
}

input[type="number"].max-symbols-input {
  width: 50px !important;
  min-width: 50px !important;
  max-width: 50px !important;
  padding: 2px 6px !important;
  height: 24px !important;
  text-align: center;
  font-size: var(--font-size-sm);
  border: 1px solid var(--md-outline);
  border-radius: var(--md-shape-extra-small);
  background: var(--md-surface);
  box-sizing: border-box;
  -moz-appearance: textfield;
}

input[type="number"].max-symbols-input::-webkit-outer-spin-button,
input[type="number"].max-symbols-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* ============================================
   NORMALIZATION CONFIGURATION
   ============================================ */
.normalization-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
  align-items: start;
}

.normalization-toggles {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.normalization-toggles .switch-container {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.normalization-toggles .switch-label-text {
  font-size: var(--font-size-base);
  color: var(--md-on-surface);
}

.normalization-source {
  max-width: 300px;
}

.normalization-source .form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--md-on-surface-variant);
}

.normalization-source select {
  width: 100%;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .project-container {
    min-width: auto;
    width: 95%;
    padding: var(--space-md);
  }

  nav ul {
    flex-wrap: wrap;
  }

  .button-group {
    flex-direction: column;
  }

  .modal-content {
    width: 95%;
    margin: 2% auto;
  }
}