/* ============================================
   SIDEBAR & OVERLAY
   ============================================ */

/* Pre-paint: скрываем страницу, пока sidebar синхронизируется */
body.sidebar-init {
    visibility: hidden;
}

/* Отключаем transitions при загрузке страницы — предотвращает "выезжание" */
.sidebar.no-transition,
.sidebar.no-transition *,
.sidebar.no-transition ::before,
.sidebar.no-transition ::after {
    transition: none !important;
}

/* Sidebar Overlay (backdrop) - starts below header */
.sidebar-overlay {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--black-50);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow) var(--easing),
                visibility var(--transition-slow) var(--easing);
    z-index: 998;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Sidebar - starts below header */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--primary-dark);
    color: white;
    transition: width 0.6s var(--easing);
    z-index: 999;
    box-shadow: 2px 0 8px var(--black-10);
    display: flex;
    flex-direction: column;
    pointer-events: auto;
    visibility: visible;
}

.sidebar-nav-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-nav {
    padding: var(--space-4) 0 0;
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

/* Нижний блок сайдбара — ссылка на инструкцию и кабинет */
.sidebar-footer {
    flex-shrink: 0;
    border-top: 1px solid var(--white-10);
}

.sidebar-link--footer {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--white-50);
    gap: var(--space-2);
}

.sidebar-link--footer:hover {
    color: var(--white-90);
    background: var(--white-10);
}

.sidebar-link--footer svg {
    width: var(--icon-sm);
    height: var(--icon-sm);
    opacity: 0.85;
}

.sidebar-link--footer:hover svg {
    transform: none;
    filter: drop-shadow(0 2px 4px var(--black-30));
}

.sidebar-link--profile {
    padding: var(--space-3) var(--space-5);
    gap: var(--space-3);
    color: var(--white-80);
    font-size: var(--text-sm);
    font-weight: 500;
}

.sidebar-link--profile:hover {
    color: var(--white-90);
    background: var(--white-10);
    padding-inline-start: var(--space-5);
}

.sidebar-link--profile:hover .sidebar-avatar {
    transform: scale(1.1);
    transition: transform 0.2s var(--easing);
}

.sidebar.collapsed .sidebar-link--profile,
.sidebar.collapsed .sidebar-link--profile:hover {
    padding-inline-start: calc((var(--sidebar-collapsed-width) - 24px) / 2);
    padding-inline-end: 0;
}

.sidebar-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    position: relative;
    overflow: visible;
}

.sidebar-avatar__badge {
    position: absolute;
    top: -4px;
    right: -4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 14px;
    height: 14px;
    padding: 0 3px;
    border-radius: 7px;
    background: #fff;
    color: var(--primary-dark, #2d3748);
    font-size: 9px;
    font-weight: 700;
    border: 1px solid var(--primary-dark, #2d3748);
}

.sidebar.collapsed .sidebar-link--profile > span:not(.sidebar-avatar) {
    opacity: 0;
    width: 0;
    min-width: 0;
    flex: 0 0 0;
}

.sidebar.collapsed .sidebar-link--profile {
    gap: 0;
}

/* Collapsed state — icons only */
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

/* Плавная анимация текста и стрелок при collapse/expand (simple fade) */
.sidebar-link > span:not(.sidebar-avatar),
.submenu-arrow,
.sidebar-link--footer > span,
.sidebar-link--profile > span:not(.sidebar-avatar) {
    overflow: hidden;
    white-space: nowrap;
    transition: opacity 0.4s var(--easing), width 0.6s var(--easing), flex 0.6s var(--easing);
}

/* Hide text labels and submenu arrows when collapsed */
.sidebar.collapsed .sidebar-link > span:not(.sidebar-avatar),
.sidebar.collapsed .submenu-arrow,
.sidebar.collapsed .sidebar-link--footer > span {
    opacity: 0;
    width: 0;
    min-width: 0;
    flex: 0 0 0;
}

/* Collapsed: icons stay at same position, text hidden */
.sidebar.collapsed .sidebar-link {
    padding-inline-end: 0;
    gap: 0;
}

.sidebar.collapsed .sidebar-link--footer {
    padding-inline-end: 0;
    gap: 0;
}

/* Prevent hover padding shift in collapsed mode */
.sidebar.collapsed .sidebar-link:not(.sidebar-link--profile):hover {
    padding-inline-end: 0;
    padding-inline-start: calc((var(--sidebar-collapsed-width) - var(--icon-md)) / 2);
}

/* Sidebar Navigation */

.sidebar-item {
    margin-bottom: var(--space-1);
    position: relative;
    overflow: visible;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    padding-inline-start: calc((var(--sidebar-collapsed-width) - var(--icon-md)) / 2);
    color: var(--white-90);
    text-decoration: none;
    font-size: var(--text-base);
    font-weight: 500;
    transition: color var(--transition-slow) var(--easing),
                background var(--transition-slow) var(--easing),
                padding 0.6s var(--easing),
                gap 0.6s var(--easing);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    position: relative;
}

.sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: linear-gradient(180deg, var(--accent-glow), var(--accent), var(--accent-glow));
    transform: scaleY(0);
    transition: transform var(--transition-slow) var(--easing);
}

.sidebar-link:hover {
    background: var(--white-15);
    color: white;
    padding-inline-start: var(--space-6);
}

.sidebar-link:hover::before {
    transform: scaleY(1);
}

.sidebar-link svg {
    width: var(--icon-md);
    height: var(--icon-md);
    stroke-width: 2;
    flex-shrink: 0;
    transition: all var(--transition-slow) var(--easing);
    filter: drop-shadow(0 2px 4px var(--black-30));
}

.sidebar-link:hover svg {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 4px 8px var(--black-30));
}

.sidebar-link.has-submenu {
    justify-content: flex-start;
}

.sidebar-link.has-submenu > span {
    flex: 1;
    text-align: left;
}

.sidebar-link.has-submenu .submenu-arrow {
    margin-left: auto;
    flex-shrink: 0;
}

.submenu-arrow {
    width: var(--icon-sm);
    height: var(--icon-sm);
    transition: all var(--transition-slow) var(--easing);
    opacity: 0.6;
    filter: drop-shadow(0 2px 4px var(--black-30));
}

.sidebar-submenu {
    position: fixed;
    left: var(--sidebar-width);
    min-width: 200px;
    background: var(--primary-dark);
    box-shadow: inset 8px 0 16px var(--black-30);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    border: 1px solid var(--white-10);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-20px) scale(0.95);
    transition: all var(--transition-slow) var(--easing);
    z-index: 1001;
    pointer-events: none;
    backdrop-filter: blur(10px);
}

.sidebar.collapsed .sidebar-submenu {
    left: var(--sidebar-collapsed-width);
}

/* Show submenu on hover — works in both expanded and collapsed */
.sidebar .sidebar-item:hover > .sidebar-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0) scale(1);
    pointer-events: auto;
}

/* Animate arrow on hover */
.sidebar .sidebar-item:hover .submenu-arrow {
    transform: translateX(5px);
    opacity: 1;
    filter: drop-shadow(0 4px 8px var(--black-50));
}

.sidebar-submenu a {
    display: block;
    padding: var(--space-3) var(--space-5);
    color: var(--white-90);
    text-decoration: none;
    font-size: var(--text-base);
    transition: all var(--transition-slow) var(--easing);
    white-space: nowrap;
    position: relative;
}

.sidebar-submenu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    transform-origin: top;
    transform: scaleY(0);
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-glow), var(--accent), var(--accent-glow));
    transition: transform var(--transition-slow) var(--easing);
}

.sidebar-submenu a:hover {
    background: var(--white-15);
    color: white;
    padding-left: var(--space-6);
}

.sidebar-submenu a:hover::before {
    transform: scaleY(1);
}

.sidebar-submenu a:not(:last-child) {
    border-bottom: 1px solid var(--white-10);
}

.sidebar-submenu a:first-child {
    border-radius: 0 var(--radius-md) 0 0;
}

.sidebar-submenu a:last-child {
    border-radius: 0 0 var(--radius-md) 0;
}

/* ============================================
   SIMPLIFIED HEADER
   ============================================ */

.app-header-new {
    background: var(--primary-color);
    color: white;
    padding: 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1002; /* Above sidebar (999) and submenus (1001) */
}

.header-content-new {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.app-title-new {
    font-size: var(--text-xl);
    font-weight: 800;
    background: linear-gradient(0deg, var(--accent-light) 15%, var(--accent) 85%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    cursor: pointer;
    margin: 0;
    white-space: nowrap;
}

/* Header Icon Buttons */
.header-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--space-10);
    height: var(--space-10);
    border-radius: var(--radius-sm);
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    transition: background 0.2s;
}

.header-icon-btn:hover {
    background: var(--white-10);
}

.header-icon-btn svg {
    width: var(--icon-md);
    height: var(--icon-md);
    stroke-width: 2;
}

.logout-form-new {
    margin: 0;
    padding: 0;
    display: inline-block;
}

/* Header Username */
.header-username {
    color: white;
    font-size: var(--text-sm);
    font-weight: 500;
    padding: 0 var(--space-3);
    white-space: nowrap;
    opacity: 0.9;
}

/* ============================================
   HAMBURGER MENU (Three-line → X animation)
   ============================================ */

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: var(--space-10);
    height: var(--space-10);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
}

.hamburger span {
    display: block;
    width: var(--space-6);
    height: calc(2px * var(--space-scale));
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
    position: absolute;
}

.hamburger span:nth-child(1) {
    top: calc(12px * var(--space-scale));
}

.hamburger span:nth-child(2) {
    top: calc(19px * var(--space-scale));
}

.hamburger span:nth-child(3) {
    top: calc(26px * var(--space-scale));
}

.hamburger.active span:nth-child(1) {
    top: 19px;
    transform: rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    top: 19px;
    transform: rotate(-45deg);
}

/* ============================================
   LANGUAGE SWITCHER IN HEADER (compact with dropdown)
   ============================================ */

.language-switcher {
    display: flex;
    align-items: center;
}

/* Compact wrapper */
.header-right .language-switcher .custom-select-wrapper {
    min-width: auto;
}

/* Hide text in trigger, show only globe + flag */
.header-right .language-switcher .custom-select-text {
    display: none;
}

/* Compact trigger - only globe + flag */
.header-right .language-switcher .custom-select-trigger {
    min-width: auto;
    padding: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    border-radius: var(--radius-sm);
    transition: background 0.2s;
    cursor: pointer;
}

.header-right .language-switcher .custom-select-trigger:hover {
    background: var(--white-10);
}

/* Globe icon */
.header-right .language-switcher .globe-icon {
    width: var(--icon-sm);
    height: var(--icon-sm);
    flex-shrink: 0;
}

/* Smaller flag in trigger */
.header-right .language-switcher .custom-select-trigger .fi {
    width: 1em;
    height: 0.75em;
    font-size: var(--text-sm);
}

.header-right .language-switcher .custom-select-arrow {
    display: none;
}

/* Dropdown options */
.header-right .language-switcher .custom-select-options {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    left: auto;
    min-width: 150px;
    background: var(--primary-dark);
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px var(--black-30);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
}

.header-right .language-switcher .custom-select.open .custom-select-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Options in dropdown - show flag + text */
.header-right .language-switcher .custom-select-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-3);
    color: white;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

.header-right .language-switcher .custom-select-option:hover {
    background: var(--white-10);
}

.header-right .language-switcher .custom-select-option.selected {
    background: var(--white-15);
}

.header-right .language-switcher .custom-select-option .fi {
    width: 1.5em;
    height: 1.125em;
    flex-shrink: 0;
}

.header-right .language-switcher .custom-select-option span:not(.fi) {
    font-size: var(--text-sm);
}

/* ============================================
   SIDEBAR TOGGLE BUTTON (bottom of sidebar)
   ============================================ */

.sidebar-toggle {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border: none;
    background: none;
    color: var(--white-50);
    cursor: pointer;
    transition: all 0.2s ease;
    border-top: 1px solid var(--white-10);
    width: 100%;
    font-size: var(--text-sm);
}

.sidebar-toggle:hover {
    color: var(--white-90);
    background: var(--white-10);
}

.sidebar-toggle svg {
    width: var(--icon-sm);
    height: var(--icon-sm);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

/* Flip arrow when collapsed */
.sidebar.collapsed .sidebar-toggle svg {
    transform: rotate(180deg);
}

/* Hide text in toggle when collapsed */
.sidebar.collapsed .sidebar-toggle > span {
    display: none;
}

/* ============================================
   COLLAPSED TOOLTIPS (icons without submenu)
   ============================================ */

.sidebar.collapsed .sidebar-link {
    position: relative;
}

.sidebar.collapsed .sidebar-link::after {
    content: attr(title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-dark);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 1002;
    box-shadow: var(--shadow-md);
}

.sidebar.collapsed .sidebar-link:hover::after {
    opacity: 1;
}

/* Keep icons at same position for submenu items when collapsed */
.sidebar.collapsed .sidebar-link.has-submenu {
    justify-content: flex-start;
}

/* Prevent flex auto-margin from breaking centering when collapsed */
.sidebar.collapsed .sidebar-link.has-submenu .submenu-arrow {
    margin-left: 0;
}

/* Don't show tooltip for items with submenu — they have flyout */
.sidebar.collapsed .sidebar-link.has-submenu::after,
.sidebar.collapsed .sidebar-link--profile::after {
    display: none;
}

/* ============================================
   CONTENT OFFSET (desktop only)
   ============================================ */

@media (min-width: 769px) {
    /* Content offset via body class (set by sidebar.js) */
    body.has-sidebar .main-content {
        margin-inline-start: var(--sidebar-width);
        transition: margin-inline-start var(--transition-slow) var(--easing);
    }

    body.sidebar-collapsed .main-content {
        margin-inline-start: var(--sidebar-collapsed-width);
    }

    /* Header остаётся на всю ширину — sidebar начинается ниже него */

    /* Hamburger скрыт на десктопе — sidebar всегда виден */
    .hamburger {
        display: none;
    }

    /* Overlay не нужен на десктопе */
    .sidebar-overlay {
        display: none;
    }
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    /* Mobile: sidebar hidden by default, overlay mode */
    .sidebar {
        transform: translateX(-100%);
        pointer-events: none;
        visibility: hidden;
        box-shadow: 8px 0 24px var(--black-50);
        width: 100%;
        transition: transform var(--transition-slow) var(--easing),
                    visibility 0s 0.4s;
    }

    .sidebar.open {
        transform: translateX(0);
        pointer-events: auto;
        visibility: visible;
        transition: transform var(--transition-slow) var(--easing),
                    visibility 0s 0s;
    }

    /* Hide toggle button on mobile */
    .sidebar-toggle {
        display: none;
    }

    /* Main content no offset on mobile */
    .main-content {
        margin-inline-start: 0 !important;
    }

    /* Show hamburger on mobile */
    .hamburger {
        display: flex;
    }

    /* Show overlay on mobile */
    .sidebar-overlay {
        display: block;
    }

    .app-title-new {
        font-size: var(--text-lg);
    }

    .header-content-new {
        padding: 0 var(--space-4);
    }

    /* Hide username on mobile */
    .header-username {
        display: none;
    }

    /* Submenu accordion style for mobile */
    .sidebar-submenu {
        position: static;
        left: auto;
        min-width: auto;
        width: 100%;
        background: var(--black-30);
        box-shadow: none;
        border-radius: 0;
        border: none;
        max-height: 0;
        overflow: hidden;
        opacity: 1;
        visibility: visible;
        transform: none;
        transition: max-height 0.3s ease;
        pointer-events: auto;
        backdrop-filter: none;
    }

    /* Open submenu */
    .sidebar-item.submenu-open > .sidebar-submenu {
        max-height: 300px;
    }

    /* Disable hover opening on mobile - only when sidebar is open */
    .sidebar.open .sidebar-item:hover > .sidebar-submenu {
        opacity: 1;
        visibility: visible;
        transform: none;
        max-height: 0;
    }

    .sidebar.open .sidebar-item.submenu-open:hover > .sidebar-submenu {
        max-height: 300px;
    }

    /* Arrow rotates down */
    .submenu-arrow {
        transform: rotate(90deg);
    }

    /* Arrow when submenu is open */
    .sidebar.open .sidebar-item.submenu-open .submenu-arrow {
        transform: rotate(-90deg);
    }

    /* Disable arrow hover animation on mobile - only when sidebar is open */
    .sidebar.open .sidebar-item:hover .submenu-arrow {
        transform: rotate(90deg);
    }

    .sidebar.open .sidebar-item.submenu-open:hover .submenu-arrow {
        transform: rotate(-90deg);
    }

    /* Indent submenu items */
    .sidebar-submenu a {
        padding-left: var(--space-12);
    }

    .sidebar-submenu a:first-child {
        border-radius: 0;
    }

    .sidebar-submenu a:last-child {
        border-radius: 0;
    }
}