/**
 * PlanFix UI Kit - Main Styles
 * Версия: 1.0
 * Дата: 13 ноября 2025
 * 
 * Подключите variables.css перед этим файлом!
 */

/* ============================================
   БАЗОВЫЕ СТИЛИ
   ============================================ */

* {
  box-sizing: border-box;
}

body {
  font-family: var(--pf-font-family);
  font-size: var(--pf-font-size-base);
  font-weight: var(--pf-font-weight-normal);
  color: var(--pf-text-primary);
  line-height: 1.5;
  margin: 0;
  padding: 0;
}

/* ============================================
   ТИПОГРАФИКА
   ============================================ */

.pf-h1 {
  font-size: var(--pf-font-size-h1);
  font-weight: var(--pf-font-weight-semibold);
  color: var(--pf-text-primary);
  line-height: 1.3;
  margin: 0 0 16px 0;
}

.pf-h2 {
  font-size: var(--pf-font-size-h2);
  font-weight: var(--pf-font-weight-semibold);
  color: var(--pf-text-primary);
  line-height: 1.4;
  margin: 0 0 12px 0;
}

.pf-h3 {
  font-size: var(--pf-font-size-h3);
  font-weight: var(--pf-font-weight-semibold);
  color: var(--pf-text-primary);
  line-height: 1.4;
  margin: 0 0 8px 0;
}

.pf-text {
  font-size: var(--pf-font-size-base);
  color: var(--pf-text-primary);
}

.pf-text-small {
  font-size: var(--pf-font-size-small);
}

.pf-text-tiny {
  font-size: var(--pf-font-size-tiny);
}

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

.pf-text-hint {
  color: var(--pf-text-hint);
}

.pf-link {
  color: var(--pf-text-link);
  text-decoration: none;
  transition: color var(--pf-transition-base);
}

.pf-link:hover {
  color: var(--pf-text-link-hover);
  text-decoration: underline;
}

/* ============================================
   КНОПКИ
   ============================================ */

.pf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--pf-btn-padding);
  font-size: var(--pf-font-size-base);
  font-weight: var(--pf-font-weight-normal);
  font-family: var(--pf-font-family);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--pf-btn-border-radius);
  cursor: pointer;
  transition: all var(--pf-transition-base);
  user-select: none;
  white-space: nowrap;
  height: var(--pf-btn-height);
}

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

/* Primary Button */
.pf-btn-primary {
  background-color: var(--pf-primary);
  color: var(--pf-white);
}

.pf-btn-primary:hover {
  background-color: var(--pf-primary-dark);
}

.pf-btn-primary:active {
  background-color: var(--pf-primary-darker);
}

/* Secondary Button */
.pf-btn-secondary {
  background-color: var(--pf-white);
  color: var(--pf-text-primary);
  border: 1px solid var(--pf-gray-lighter);
}

.pf-btn-secondary:hover {
  background-color: var(--pf-gray-lightest);
  border-color: var(--pf-gray-light);
}

/* Danger Button */
.pf-btn-danger {
  background-color: var(--pf-danger);
  color: var(--pf-white);
}

.pf-btn-danger:hover {
  background-color: var(--pf-danger-dark);
}

/* Link Button */
.pf-btn-link {
  background-color: transparent;
  color: var(--pf-text-link);
  padding: 4px 8px;
}

.pf-btn-link:hover {
  color: var(--pf-text-link-hover);
  text-decoration: underline;
}

/* Icon Button */
.pf-btn-icon {
  background-color: transparent;
  color: var(--pf-gray-dark);
  padding: 6px;
  width: 32px;
  height: 32px;
}

.pf-btn-icon:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

/* Button Sizes */
.pf-btn-sm {
  padding: var(--pf-btn-padding-sm);
  font-size: var(--pf-font-size-small);
  height: var(--pf-btn-height-sm);
}

.pf-btn-lg {
  padding: var(--pf-btn-padding-lg);
  font-size: var(--pf-font-size-medium);
  height: var(--pf-btn-height-lg);
}

/* Disabled */
.pf-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Group */
.pf-btn-group {
  display: inline-flex;
  gap: var(--pf-spacing-sm);
}

/* ============================================
   ФОРМЫ
   ============================================ */

.pf-input {
  width: 100%;
  padding: var(--pf-input-padding);
  font-size: var(--pf-font-size-base);
  font-family: var(--pf-font-family);
  color: var(--pf-text-primary);
  background-color: var(--pf-input-bg);
  border: var(--pf-input-border);
  border-radius: var(--pf-input-border-radius);
  height: var(--pf-input-height);
  transition: border-color var(--pf-transition-base);
}

.pf-input:focus {
  outline: none;
  border: var(--pf-input-border-focus);
}

.pf-input:disabled {
  background-color: var(--pf-input-bg-disabled);
  cursor: not-allowed;
}

.pf-input::placeholder {
  color: var(--pf-text-hint);
}

/* Textarea */
.pf-textarea {
  width: 100%;
  padding: var(--pf-input-padding);
  font-size: var(--pf-font-size-base);
  font-family: var(--pf-font-family);
  color: var(--pf-text-primary);
  background-color: var(--pf-input-bg);
  border: var(--pf-input-border);
  border-radius: var(--pf-input-border-radius);
  min-height: 80px;
  resize: vertical;
  transition: border-color var(--pf-transition-base);
}

.pf-textarea:focus {
  outline: none;
  border: var(--pf-input-border-focus);
}

/* Select */
.pf-select {
  width: 100%;
  padding: var(--pf-input-padding);
  font-size: var(--pf-font-size-base);
  font-family: var(--pf-font-family);
  color: var(--pf-text-primary);
  background-color: var(--pf-input-bg);
  border: var(--pf-input-border);
  border-radius: var(--pf-input-border-radius);
  height: var(--pf-input-height);
  cursor: pointer;
  transition: border-color var(--pf-transition-base);
}

.pf-select:focus {
  outline: none;
  border: var(--pf-input-border-focus);
}

/* Label */
.pf-label {
  display: block;
  font-size: var(--pf-font-size-small);
  font-weight: var(--pf-font-weight-normal);
  color: var(--pf-text-secondary);
  margin-bottom: 4px;
}

/* Form Group */
.pf-form-group {
  margin-bottom: var(--pf-spacing-lg);
}

/* Checkbox */
.pf-checkbox {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.pf-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-right: 8px;
  cursor: pointer;
}

/* ============================================
   ТАБЛИЦЫ
   ============================================ */

.pf-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--pf-white);
}

.pf-table th {
  padding: var(--pf-table-padding);
  font-size: var(--pf-font-size-small);
  font-weight: var(--pf-font-weight-semibold);
  color: var(--pf-table-header-text);
  text-align: left;
  background-color: var(--pf-table-header-bg);
  border-bottom: var(--pf-table-border);
  text-transform: uppercase;
}

.pf-table td {
  padding: var(--pf-table-padding);
  font-size: var(--pf-font-size-base);
  color: var(--pf-text-primary);
  border-bottom: var(--pf-table-border);
}

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

/* ============================================
   КАРТОЧКИ
   ============================================ */

.pf-card {
  background-color: var(--pf-card-bg);
  border: var(--pf-card-border);
  border-radius: var(--pf-card-border-radius);
  padding: var(--pf-card-padding);
  box-shadow: var(--pf-card-shadow);
}

.pf-card-header {
  font-size: var(--pf-font-size-large);
  font-weight: var(--pf-font-weight-semibold);
  margin-bottom: var(--pf-spacing-md);
}

.pf-card-body {
  margin-bottom: var(--pf-spacing-md);
}

.pf-card-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--pf-spacing-sm);
}

/* ============================================
   НАВИГАЦИЯ
   ============================================ */

.pf-sidebar {
  background-color: var(--pf-menu-bg);
  color: var(--pf-menu-text);
  padding: var(--pf-spacing-md);
  min-height: 100vh;
}

.pf-sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--pf-spacing-sm);
  padding: 10px 12px;
  color: var(--pf-menu-text);
  text-decoration: none;
  border-radius: var(--pf-btn-border-radius);
  transition: background-color var(--pf-transition-base);
  cursor: pointer;
}

.pf-sidebar-item:hover {
  background-color: var(--pf-menu-hover);
}

.pf-sidebar-item.active {
  background-color: var(--pf-active-bg);
  color: var(--pf-active-text);
}

/* ============================================
   УТИЛИТЫ
   ============================================ */

/* Отступы */
.pf-mt-xs { margin-top: var(--pf-spacing-xs); }
.pf-mt-sm { margin-top: var(--pf-spacing-sm); }
.pf-mt-md { margin-top: var(--pf-spacing-md); }
.pf-mt-lg { margin-top: var(--pf-spacing-lg); }
.pf-mt-xl { margin-top: var(--pf-spacing-xl); }

.pf-mb-xs { margin-bottom: var(--pf-spacing-xs); }
.pf-mb-sm { margin-bottom: var(--pf-spacing-sm); }
.pf-mb-md { margin-bottom: var(--pf-spacing-md); }
.pf-mb-lg { margin-bottom: var(--pf-spacing-lg); }
.pf-mb-xl { margin-bottom: var(--pf-spacing-xl); }

.pf-p-xs { padding: var(--pf-spacing-xs); }
.pf-p-sm { padding: var(--pf-spacing-sm); }
.pf-p-md { padding: var(--pf-spacing-md); }
.pf-p-lg { padding: var(--pf-spacing-lg); }
.pf-p-xl { padding: var(--pf-spacing-xl); }

/* Текст */
.pf-text-center { text-align: center; }
.pf-text-left { text-align: left; }
.pf-text-right { text-align: right; }

.pf-text-bold { font-weight: var(--pf-font-weight-bold); }
.pf-text-semibold { font-weight: var(--pf-font-weight-semibold); }

/* Flex */
.pf-flex { display: flex; }
.pf-flex-center { display: flex; align-items: center; justify-content: center; }
.pf-flex-between { display: flex; align-items: center; justify-content: space-between; }
.pf-flex-column { display: flex; flex-direction: column; }

.pf-gap-xs { gap: var(--pf-spacing-xs); }
.pf-gap-sm { gap: var(--pf-spacing-sm); }
.pf-gap-md { gap: var(--pf-spacing-md); }
.pf-gap-lg { gap: var(--pf-spacing-lg); }

/* Ширина */
.pf-w-full { width: 100%; }
.pf-w-auto { width: auto; }

/* Тени */
.pf-shadow-sm { box-shadow: var(--pf-shadow-sm); }
.pf-shadow-md { box-shadow: var(--pf-shadow-md); }
.pf-shadow-lg { box-shadow: var(--pf-shadow-lg); }

/* Скругления */
.pf-rounded { border-radius: var(--pf-btn-border-radius); }
.pf-rounded-lg { border-radius: 8px; }
.pf-rounded-full { border-radius: 9999px; }

/* ============================================
   АДАПТИВНОСТЬ
   ============================================ */

@media (max-width: 768px) {
  .pf-btn {
    width: 100%;
  }
  
  .pf-btn-group {
    flex-direction: column;
  }
  
  .pf-table {
    font-size: var(--pf-font-size-small);
  }
}