/* Universal Burger Menu - Slide from Bottom */

/* Burger Button - Always visible, aligned with logo */
.burger-btn {
    /* Removed fixed positioning - now controlled by header layout */
    width: 40px;
    height: 40px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    z-index: 9997; /* Ниже панели меню */
    display: none; /* Hidden by default until JS initializes */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-shrink: 0; /* Prevent shrinking */
}

/* Show burger button when user is logged in (JS will add this class) */
.burger-btn.visible {
    display: flex;
}

.burger-btn:hover {
    background: var(--hover);
    border-color: var(--gold);
    transform: scale(1.05);
}

.burger-btn.active {
    background: var(--gold);
    border-color: var(--gold);
}

.burger-btn span {
    width: 18px;
    height: 2px;
    background: var(--accent);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 1px;
}

.burger-btn.active span {
    background: var(--bg);
}

.burger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.burger-btn.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.burger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Overlay - tap outside to close */
.burger-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9998;
}

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

/* Menu - Slides from Bottom */
.burger-menu {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 85vh;
    background: var(--bg);
    border-top: 1px solid var(--border);
    border-radius: 24px 24px 0 0;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.3);
}

.burger-menu.active {
    transform: translateY(0);
}

/* Menu Handle - визуальная подсказка что можно свайпнуть */
.burger-handle {
    width: 40px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin: 12px auto 20px; /* Увеличен нижний отступ */
    transition: all 0.3s ease;
}

.burger-menu:hover .burger-handle {
    background: var(--gold);
    width: 60px;
}

/* Menu Navigation */
.burger-nav {
    padding: 10px 0 20px; /* Уменьшен верхний padding */
    flex: 1;
}

.burger-nav-item {
    display: flex;
    align-items: center;
    padding: 16px 30px;
    color: var(--accent);
    text-decoration: none;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    transition: all 0.3s ease;
    position: relative;
}

.burger-nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gold);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.burger-nav-item:hover::before,
.burger-nav-item.active::before {
    transform: scaleX(1);
}

.burger-nav-item.active {
    background: var(--hover);
    color: var(--gold);
}

.burger-nav-text {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* User Section */
.burger-user {
    padding: 20px 30px 30px;
    border-top: 1px solid var(--border);
}

.burger-user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px;
    background: var(--hover);
    border-radius: 12px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.burger-user-info:active {
    background: var(--surface);
    transform: scale(0.98);
}

.burger-user-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--gold);
    color: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    border: 2px solid var(--border);
    flex-shrink: 0;
}

.burger-user-details {
    flex: 1;
    min-width: 0;
}

.burger-user-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.burger-user-email {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.burger-user-not-logged {
    text-align: center;
}

.burger-login-btn {
    display: block;
    width: 100%;
    padding: 16px;
    background: var(--gold);
    color: var(--bg);
    text-decoration: none;
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.burger-login-btn:active {
    transform: scale(0.98);
}

.burger-logout-btn {
    width: 100%;
    padding: 14px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.burger-logout-btn:active {
    background: var(--hover);
    border-color: #ff4444;
    color: #ff4444;
    transform: scale(0.98);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .burger-btn {
        width: 36px;
        height: 36px;
    }

    .burger-menu {
        max-height: 90vh;
        border-radius: 20px 20px 0 0;
    }

    .burger-nav-item {
        padding: 14px 25px;
    }

    .burger-nav-text {
        font-size: 15px;
    }

    .burger-user {
        padding: 15px 25px 25px;
    }

    .burger-user-avatar {
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
}

/* Scrollbar styling */
.burger-menu::-webkit-scrollbar {
    width: 6px;
}

.burger-menu::-webkit-scrollbar-track {
    background: transparent;
}

.burger-menu::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.burger-menu::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}

/* Safe area for devices with notch */
@supports (padding: max(0px)) {
    .burger-menu {
        padding-bottom: max(env(safe-area-inset-bottom), 0px);
    }
}

/* === CHAT PAGE SPECIFIC === */
/* Burger button positioning handled by header layout now */