/* ============================================
   PAGE HEADER - Верхние блоки страниц
   ============================================
   Last modified: 2026-02-15
   Based on YouTube-Manager, adapted for TubeBro

   Содержит:
   1. Заголовок страницы + кнопки действий
   2. Подзаголовок (description)

   Префикс классов: .ph-* (page-header)
   ============================================ */

/* ============================================
   СЕКЦИЯ 1: ЗАГОЛОВОК И КНОПКИ
   ============================================ */

/* --- КОНТЕЙНЕР ЗАГОЛОВКА --- */
.ph-title-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}

.ph-title-line {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.25rem;
}

.ph-title-line h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

.ph-sub-title-line {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* --- КОНТЕЙНЕР КНОПОК --- */
.ph-actions {
    display: flex;
    gap: 0.6rem;
    justify-content: flex-end;
}

/* --- КНОПКИ --- */
.ph-button {
    padding: 0.6rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    background-color: transparent;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    text-decoration: none;
    font-size: 1rem;
}

.ph-button:hover {
    filter: brightness(1.2);
    transform: translateY(-2px);
}

.ph-button:active {
    transform: scale(0.98);
}

/* Primary кнопка (фиолетовая) */
.ph-button-primary {
    border-color: var(--color-brand-primary);
    background-color: var(--color-brand-primary);
    color: white;
}

/* Danger кнопка (красная) */
.ph-button-danger {
    border-color: var(--color-error);
    background-color: var(--color-error);
    color: white;
}

/* AI кнопка (градиент) */
.ph-button-ai {
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.ph-button-ai:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 6px var(--color-brand-primary-30);
}

/* ============================================
   СЕКЦИЯ 2: BREADCRUMBS И СТАТИСТИКА
   ============================================ */

/* --- КОНТЕЙНЕР HEADER CARD --- */
.card.ph-header-card {
    padding: 0.9rem 0rem 0.9rem 1rem;
    margin-bottom: 1.25rem;
}

.ph-header-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* --- BREADCRUMBS (хлебные крошки) --- */
.ph-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.ph-breadcrumb a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.ph-breadcrumb a:hover {
    color: var(--color-text);
}

.ph-breadcrumb-sep {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1;
}

.ph-breadcrumb .separator {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1;
}

.ph-breadcrumb .current-page {
    color: var(--color-brand-primary);
    font-weight: 500;
}

/* --- СТАТИСТИКА (header stats) --- */
.ph-stats {
    display: flex;
    align-items: center;
    gap: 0;
}

.ph-stat {
    text-align: center;
    padding: 0 2rem;
    position: relative;
}

.ph-stat:not(:first-child) {
    border-left: 1px solid var(--color-border);
}

.ph-stat .ph-stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 0.25rem;
}

.ph-stat .ph-stat-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    line-height: 1;
    white-space: nowrap;
}

/* ============================================
   СЕКЦИЯ 3: FILTER BAR (переиспользуемый компонент)
   ============================================ */

/* Filter bar container */
.filter-bar {
    background: var(--color-bg-card);
    border: none;
    border-radius: var(--radius-lg);
    padding: 1.2rem;
    margin-bottom: 0;
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Left section - Project dropdown, icon filters, toggle */
.filter-bar-left {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

/* Right section - Search */
.filter-bar-right {
    display: flex;
    align-items: flex-end;
}

/* Project dropdown in filter bar */
.filter-bar-left .input-label {
    min-width: 240px;
    margin: 0;
}

/* Search in filter bar */
.filter-bar-right .input-label {
    min-width: 280px;
    margin: 0;
}

/* Icon filters group */
.filter-bar-icons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0 0.75rem;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
}

/* Toggle in filter bar */
.filter-bar-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-bar-toggle-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.filter-bar-toggle-switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 24px;
}

.filter-bar-toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.filter-bar-toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--color-border);
    transition: background var(--transition-normal);
    border-radius: 24px;
}

.filter-bar-toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    transition: transform var(--transition-normal);
    border-radius: 50%;
}

.filter-bar-toggle-switch input:checked + .filter-bar-toggle-slider {
    background: var(--color-brand-primary);
}

.filter-bar-toggle-switch input:checked + .filter-bar-toggle-slider:before {
    transform: translateX(22px);
}

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