:root {
    --bg-color: #f5f7fa;
    --text-color: #333;
    --header-bg: rgba(255, 255, 255, 0.9);
    --header-border: #000000;
    --card-bg: white;
    --card-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --input-bg: white;
    --input-border: #ddd;
    --button-bg: #667eea;
    --button-hover: #5a67d8;
    --secondary-bg: #e0e0e0;
    --secondary-hover: #d0d0d0;
    --secondary-color: #333;
    --danger-bg: #f56565;
    --danger-hover: #e53e3e;
    --switch-bg-inactive: #e2e8f0;
    --switch-bg-active: #48bb78;
    --switch-border: #000000;
    --switch-slider-bg: white;
    --switch-text-color: #333;
    --switch-text-active: #48bb78;
    --switch-slider-shadow: rgba(0, 0, 0, 0.15);
    --switch-hover-glow: rgba(72, 187, 120, 0.1);
    --switch-focus-glow: rgba(72, 187, 120, 0.3);
    --bg-project_settings: #f0f9ff;
    --th-td-color: white;
    
    /* Переменные для шапки */
    --header-info-text: #666;
    --header-toggle-bg: #f8f9fa;
    --header-toggle-border: #dee2e6;
    --header-toggle-shadow: rgba(0, 0, 0, 0.1);
    --icon-color: #333;
    --button-bg-header: #667eea;
    --button-text-color-header: #ffffff;
    --button-border-header-color: #667eea;
    --button-hover-header: #5a67d8;
    --loader_main-bg: rgba(245, 247, 250, 1);
    --loader-bg: rgba(245, 247, 250, 1);
    --loader-spinner-border: rgba(245, 247, 250, 1);
    --mobile-menu-bg: rgba(255, 255, 255, 0.95);
    --mobile-menu-item-bg: rgba(0, 0, 0, 0.03);
    --mobile-menu-item-hover: rgba(0, 0, 0, 0.06);
}

.dark {
    --bg-color: #171515;
    --text-color: #ffffff;
    --header-bg: #2d2d2d;
    --header-border: #FFFFFF;
    --card-bg: #2d2d2d;
    --card-shadow: 0 4px 12px rgba(0,0,0,0.5);
    --input-bg: #504d4d;
    --input-border: #333333;
    --button-bg: #6366f1;
    --button-hover: #5b21b6;
    --secondary-bg: #2a2a2a;
    --secondary-hover: #404040;
    --secondary-color: #e0e0e0;
    --switch-bg-inactive: #404040;
    --switch-border: #FFFFFF;
    --switch-slider-bg: #ffffff;
    --switch-text-color: #e0e0e0;
    --switch-text-active: #34d399;
    --switch-slider-shadow: rgba(0, 0, 0, 0.5);
    --switch-hover-glow: rgba(52, 211, 153, 0.15);
    --switch-focus-glow: rgba(52, 211, 153, 0.4);
    --bg-project_settings: #111111;
    --th-td-color: #2a2a2a;
    
    /* Переменные для шапки в темной теме */
    --header-info-text: #aaa;
    --header-toggle-bg: #504d4d;
    --header-toggle-border: #666;
    --header-toggle-shadow: rgba(255, 255, 255, 0.1);
    --icon-color: #ffffff;
    --button-bg-header: #6366f1;
    --button-text-color-header: #ffffff;
    --button-border-header-color: #FFFFFF;
    --button-hover-header: #5b21b6;
    --loader_main-bg: rgba(23, 21, 21, 1);
    --loader-bg: rgba(23, 21, 21, 1);
    --loader-spinner-border: rgba(23, 21, 21, 1);
    --mobile-menu-bg: rgba(45, 45, 45, 0.95);
    --mobile-menu-item-bg: rgba(255, 255, 255, 0.05);
    --mobile-menu-item-hover: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    padding-top: 80px;
}

header { 
    background: var(--header-bg);
    border-bottom: 2px solid var(--header-border);
    padding: 15px 20px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    height: 100px;
    transition: all 0.3s ease;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    width: 100%;
}

.site-title {
    font-weight: 700;
    font-size: 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.site-title:hover {
    color: var(--button-bg);
}

.header-info { 
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.header-info span {
    color: var(--header-info-text);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 12px;
    border-radius: 8px;
}

.header-info span:hover {
    background: var(--mobile-menu-item-hover);
    transform: translateY(-1px);
}

.header-info span span {
    font-weight: 600;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.toggle {
    background-color: var(--header-toggle-bg);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--header-toggle-shadow);
    line-height: 1;
    border: 2px solid var(--header-toggle-border);
    transition: all 0.3s ease;
}

.toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--header-toggle-shadow);
}

.input {
    display: none;
}

.iconswaper {
    grid-column: 1 / 1;
    grid-row: 1 / 1;
    transition: transform 500ms ease;
    line-height: 0.1;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.iconswaper svg {
    width: 20px;
    height: 20px;
    color: var(--icon-color);
    fill: var(--icon-color);
    transition: all 0.3s ease;
}

.iconswaper--moon {
    transition-delay: 200ms;
}

.iconswaper--sun {
    transform: scale(0);
}

#theme_switch:checked + .iconswaper--moon {
    transform: rotate(360deg) scale(0);
}

#theme_switch:checked ~ .iconswaper--sun {
    transition-delay: 200ms;
    transform: scale(1) rotate(360deg);
}

/* ПОЛЬЗОВАТЕЛЬСКОЕ МЕНЮ */
.user-menu {
    position: relative;
    display: inline-block;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--card-bg);
    border: 2px solid var(--input-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    width: 100%;
    justify-content: center;
}

.user-menu-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    border-color: var(--button-bg);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--button-bg), var(--button-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.admin-avatar {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.user-balance {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-bottom: 1px solid var(--text-color);
}

.user-frozen {
    font-size: 11px;
    color: var(--header-info-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-menu-arrow {
    width: 16px;
    height: 16px;
    color: var(--header-info-text);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.user-menu.open .user-menu-arrow {
    transform: rotate(180deg);
}

.user-dropdown {
    width: 100%;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--card-bg);
    border: 2px solid var(--input-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.dark .user-dropdown {
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

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

.user-dropdown-header {
    padding: 16px;
    border-bottom: 1px solid var(--input-border);
    text-align: center;
}

.user-id {
    font-size: 12px;
    color: var(--header-info-text);
    margin-bottom: 4px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
}

.user-dropdown-actions {
    padding: 8px;
}

.btn_logout {
    background: linear-gradient(135deg, var(--danger-bg), var(--danger-hover));
    color: white;
    border: none;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.btn_logout::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn_logout:hover::before {
    left: 100%;
}

.btn_logout:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(220, 53, 69, 0.6);
}

.btn_logout svg {
    width: 16px;
    height: 16px;
}

.btn_heder {
    background: linear-gradient(135deg, var(--button-bg), var(--button-hover));
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
    border: none;
    position: relative;
    overflow: hidden;
}
  
.btn_heder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn_heder:hover::before {
    left: 100%;
}

.btn_heder:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.35);
}

/* МОБИЛЬНЫЕ ЭЛЕМЕНТЫ В ШАПКЕ */

/* МОБИЛЬНОЕ МЕНЮ */
.menu_mobile {
    position: fixed;
    top: 75px;
    right: -100%;
    width: auto;
    min-width: 280px;
    max-width: 350px;
    height: calc(100vh - 75px);
    background: var(--mobile-menu-bg);
    backdrop-filter: blur(15px);
    transition: right 0.3s ease-in-out;
    z-index: 99;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
}

.dark .menu_mobile {
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
}

.menu_mobile.open {
    right: 0;
}
.menu_mobile.open {
    right: 0;
}

.menu_mobile_admin {
    position: fixed;
    top: 75px;
    right: -100%;
    width: auto;
    min-width: 280px;
    max-width: 350px;
    height: calc(100vh - 75px);
    background: var(--mobile-menu-bg);
    backdrop-filter: blur(15px);
    border-left: 2px solid var(--header-border);
    transition: right 0.3s ease-in-out;
    z-index: 99;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
}

.dark .menu_mobile_admin {
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
}

.menu_mobile_admin.open {
    right: 0;
}

.menu_mobile_admin.open {
    right: 0;
}

.mobile-menu-content {
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-menu-content span {
    color: var(--text-color);
    font-size: 16px;
    font-weight: 500;
    padding: 16px;
    border-radius: 12px;
    background: var(--mobile-menu-item-bg);
    transition: all 0.3s ease;
    border: 1px solid var(--input-border);
}

.mobile-menu-content span:hover {
    background: var(--mobile-menu-item-hover);
    transform: translateY(-1px);
}

.mobile-menu-content span span {
    font-weight: 600;
    color: var(--text-color);
    background: transparent !important;
    padding: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    display: inline;
}

.mobile-menu-content button {
    background: linear-gradient(135deg, var(--danger-bg), var(--danger-hover));
    color: white;
    border: none;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.mobile-menu-content button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.mobile-menu-content button:hover::before {
    left: 100%;
}

.mobile-menu-content button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(220, 53, 69, 0.6);
}

.mobile-menu-content button svg {
    transition: transform 0.3s ease;
}

.mobile-menu-content button:hover svg {
    transform: translateX(3px);
}

/* Стили для мобильного переключателя темы */
#theme_switch_mobile:checked + .iconswaper--moon {
    transform: rotate(360deg) scale(0);
}

#theme_switch_mobile:checked ~ .iconswaper--sun {
    transition-delay: 200ms;
    transform: scale(1) rotate(360deg);
}

/* Стили лоадера */
.loader_main {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--loader_main-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    backdrop-filter: blur(10px);
}

.loader {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--loader-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid transparent;
    border-top: 4px solid var(--button-bg);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {

    .user-avatar{
        width: 30px;
        height: 30px;
    }
    .user-menu-toggle{
        width: 100px;
        height: 40px;
    }
    
    .user_id_admin{
        display: none;
    }

    .user-info{
        display: none;
    }

    .mobile_burger_theme_switch_mobile {
        display: flex;
    }
    
    .menu_mobile {
        height: calc(100vh - 70px);
        top: 75px;
    }
    
    header {
        padding: 12px 15px;
        height: auto;
        min-height: 65px;
    }
    
    .toggle {
        width: 40px;
        height: 40px;
    }
    
    .iconswaper {
        width: 20px;
        height: 20px;
    }
    
    .iconswaper svg {
        width: 18px;
        height: 18px;
    }
    
    button {
        padding: 10px 18px;
        font-size: 14px;
    }
    
    .site-title {
        font-size: 18px;
    }
}

/* Адаптивность для мобильных */
@media (max-width: 480px) {
    .menu_mobile {
        height: calc(100vh - 65px);
        top: 70px;
    }
    
    .hamburger {
        width: 40px;
        height: 40px;
    }
    
    .hamburger .line {
        width: 22px;
        height: 2px;
    }
    
    .mobile-menu-content {
        padding: 25px 15px;
    }
    
    header {
        padding: 10px 12px;
        min-height: 60px;
    }
    
    .toggle {
        width: 35px;
        height: 35px;
    }
    
    .iconswaper {
        width: 18px;
        height: 18px;
    }
    
    .iconswaper svg {
        width: 16px;
        height: 16px;
    }
    
    button {
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .site-title {
        font-size: 16px;
    }
}

/* Очень маленькие экраны */
@media (max-width: 360px) {
    .mobile_burger_theme_switch_mobile {
        gap: 10px;
    }
    
    .mobile-menu-content {
        padding: 20px 12px;
        gap: 15px;
    }
    
    .mobile-menu-content span {
        padding: 12px;
        font-size: 14px;
    }
    
    .mobile-menu-content button {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    header {
        padding: 8px 10px;
    }
    
    .toggle {
        width: 32px;
        height: 32px;
    }
    
    .iconswaper {
        width: 16px;
        height: 16px;
    }
    
    .iconswaper svg {
        width: 14px;
        height: 14px;
    }
    
    button {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .site-title {
        font-size: 15px;
    }
}