/* ============================================================
   MODERN APP DESIGN - ULTRA GLASS PREMIUM THEME
   Ультра-премиальный glassmorphism дизайн
   ============================================================ */

/* ============================================================
   ОСНОВНЫЕ СТИЛИ
   ============================================================ */
.main-content {
    display: none;
    min-height: 100vh;
    background: #030305;
    position: relative;
    overflow-x: hidden;
}

.main-content::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 110%, rgba(168, 85, 247, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 60% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 10% 80%, rgba(236, 72, 153, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: ambientGlow 15s ease-in-out infinite;
}

.main-content::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.015;
    pointer-events: none;
    z-index: 0;
}

@keyframes ambientGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.main-content.visible {
    display: flex !important;
    flex-direction: row;
}

/* ============================================================
   БОКОВАЯ НАВИГАЦИЯ - ULTRA GLASSMORPHISM
   ============================================================ */
.sidebar {
    width: 280px;
    min-height: 100vh;
    background: linear-gradient(180deg, 
        rgba(15, 15, 25, 0.8) 0%, 
        rgba(10, 10, 18, 0.9) 50%,
        rgba(8, 8, 15, 0.95) 100%);
    backdrop-filter: blur(60px) saturate(180%);
    -webkit-backdrop-filter: blur(60px) saturate(180%);
    border-right: 1px solid rgba(255, 255, 255, 0.03);
    padding: 28px 18px;
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    box-shadow: 
        4px 0 40px rgba(0, 0, 0, 0.5),
        inset -1px 0 0 rgba(255, 255, 255, 0.02),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, 
        rgba(99, 102, 241, 0.03) 0%, 
        transparent 30%);
    pointer-events: none;
    border-radius: inherit;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    margin-bottom: 36px;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.12) 0%, 
        rgba(168, 85, 247, 0.08) 50%,
        rgba(6, 182, 212, 0.05) 100%);
    border-radius: 18px;
    border: 1px solid rgba(99, 102, 241, 0.15);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 32px rgba(99, 102, 241, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.sidebar-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.1), 
        transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.sidebar-logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, 
        #6366f1 0%, 
        #8b5cf6 40%, 
        #a855f7 70%,
        #d946ef 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    box-shadow: 
        0 8px 32px rgba(99, 102, 241, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    position: relative;
}

.sidebar-logo-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.sidebar-logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.85) 50%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    text-shadow: 0 0 30px rgba(165, 180, 252, 0.3);
}

.sidebar-logo-sub {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* Навигация в сайдбаре */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px 18px;
    border-radius: 14px;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    border: 1px solid transparent;
    background: transparent;
    width: 100%;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #6366f1, #a855f7, #ec4899);
    border-radius: 0 4px 4px 0;
    opacity: 0;
    transform: scaleY(0);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 0% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.04);
    transform: translateX(4px);
}

.nav-item:hover::after {
    opacity: 1;
}

.nav-item.active {
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.15) 0%, 
        rgba(168, 85, 247, 0.1) 50%,
        rgba(236, 72, 153, 0.05) 100%);
    color: #fff;
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: 
        0 4px 24px rgba(99, 102, 241, 0.2),
        0 0 0 1px rgba(99, 102, 241, 0.1) inset,
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.nav-item.active::before {
    opacity: 1;
    transform: scaleY(1);
}

.nav-item.active::after {
    opacity: 1;
}

.nav-item.active .nav-icon {
    color: #c4b5fd;
    text-shadow: 0 0 25px rgba(196, 181, 253, 0.6);
    filter: drop-shadow(0 0 8px rgba(196, 181, 253, 0.4));
}

.nav-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
}

.nav-badge {
    margin-left: auto;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    color: #fff;
    font-size: 0.65rem;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 
        0 4px 15px rgba(99, 102, 241, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
}

/* Разделитель */
.nav-divider {
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(99, 102, 241, 0.15) 20%,
        rgba(168, 85, 247, 0.1) 50%,
        rgba(99, 102, 241, 0.15) 80%,
        transparent 100%);
    margin: 24px 0;
    position: relative;
}

.nav-divider::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

/* Профиль пользователя внизу сайдбара */
.sidebar-user {
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    position: relative;
}

.sidebar-user::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.2), transparent);
}

.user-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border-radius: 16px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.04) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 14px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.user-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.user-card:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.06) 0%, 
        rgba(255, 255, 255, 0.03) 100%);
    transform: translateY(-2px);
    box-shadow: 
        0 8px 30px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(99, 102, 241, 0.1);
}

.user-card:hover::before {
    opacity: 1;
}

.user-avatar {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    font-weight: 600;
    box-shadow: 
        0 6px 20px rgba(99, 102, 241, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
}

.user-avatar::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255,255,255,0.25) 0%, transparent 50%);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 14px;
    object-fit: cover;
}

.user-info {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.user-name {
    font-size: 0.92rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-level {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 2px;
}

.user-level::before {
    content: '⭐';
    font-size: 0.65rem;
    filter: drop-shadow(0 0 4px rgba(251, 191, 36, 0.5));
}

.logout-btn-new {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid rgba(239, 68, 68, 0.12);
    background: linear-gradient(135deg, 
        rgba(239, 68, 68, 0.06) 0%, 
        rgba(239, 68, 68, 0.03) 100%);
    color: rgba(239, 68, 68, 0.7);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.logout-btn-new::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.logout-btn-new:hover {
    background: linear-gradient(135deg, 
        rgba(239, 68, 68, 0.12) 0%, 
        rgba(239, 68, 68, 0.06) 100%);
    border-color: rgba(239, 68, 68, 0.25);
    color: #f87171;
    box-shadow: 
        0 8px 30px rgba(239, 68, 68, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.logout-btn-new:hover::before {
    opacity: 1;
}

/* ============================================================
   ОСНОВНОЙ КОНТЕНТ
   ============================================================ */
.app-content {
    flex: 1;
    margin-left: 280px;
    padding: 40px 56px;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* Заголовок страницы */
.page-header {
    margin-bottom: 48px;
    position: relative;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #a855f7, #ec4899);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, 
        #fff 0%, 
        rgba(255,255,255,0.9) 30%,
        #c4b5fd 60%,
        #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    text-shadow: 0 0 60px rgba(196, 181, 253, 0.4);
}

.page-subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.45);
    font-weight: 400;
}

/* ============================================================
   BENTO GRID СТАТИСТИКА - GLASS CARDS
   ============================================================ */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 36px;
}

.bento-item {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.04) 0%, 
        rgba(255, 255, 255, 0.01) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 24px;
    padding: 28px;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 4px 30px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.bento-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.15) 50%, 
        transparent 100%);
}

.bento-item::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.bento-item:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.06) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    transform: translateY(-6px) scale(1.02);
    border-color: rgba(99, 102, 241, 0.15);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.35),
        0 0 60px rgba(99, 102, 241, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.bento-item:hover::after {
    opacity: 1;
}

.bento-item.large {
    grid-column: span 2;
}

.bento-item.accent {
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.15) 0%, 
        rgba(168, 85, 247, 0.1) 50%,
        rgba(236, 72, 153, 0.05) 100%);
    border-color: rgba(99, 102, 241, 0.2);
}

.bento-item.accent::before {
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(99, 102, 241, 0.3) 50%, 
        transparent 100%);
}

.bento-item.accent::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -30%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.2) 0%, transparent 70%);
    pointer-events: none;
    opacity: 1;
}

.bento-value {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, 
        #fff 0%, 
        rgba(255,255,255,0.9) 30%,
        #c4b5fd 70%,
        #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 12px;
    text-shadow: 0 0 40px rgba(196, 181, 253, 0.3);
}

.bento-label {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.65);
    font-weight: 500;
}

.bento-sublabel {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    margin-top: 6px;
}

/* ============================================================
   КАРТОЧКИ - ULTRA GLASS
   ============================================================ */
.app-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.04) 0%, 
        rgba(255, 255, 255, 0.01) 100%);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 28px;
    padding: 36px;
    margin-bottom: 30px;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 40px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.12) 50%, 
        transparent 100%);
}

.app-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 0% 0%, 
        rgba(99, 102, 241, 0.08) 0%, 
        transparent 50%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.app-card:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.06) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    border-color: rgba(99, 102, 241, 0.12);
    transform: translateY(-4px);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.35),
        0 0 80px rgba(99, 102, 241, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.app-card:hover::after {
    opacity: 1;
}

.app-card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.app-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    position: relative;
    box-shadow: 
        0 8px 30px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.app-card-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.app-card-icon.purple {
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.25) 0%, 
        rgba(168, 85, 247, 0.2) 100%);
    color: #c4b5fd;
    box-shadow: 
        0 8px 30px rgba(99, 102, 241, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.app-card-icon.green {
    background: linear-gradient(135deg, 
        rgba(16, 185, 129, 0.25) 0%, 
        rgba(5, 150, 105, 0.2) 100%);
    color: #6ee7b7;
    box-shadow: 
        0 8px 30px rgba(16, 185, 129, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.app-card-icon.orange {
    background: linear-gradient(135deg, 
        rgba(245, 158, 11, 0.25) 0%, 
        rgba(217, 119, 6, 0.2) 100%);
    color: #fcd34d;
    box-shadow: 
        0 8px 30px rgba(245, 158, 11, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.app-card-icon.blue {
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.25) 0%, 
        rgba(37, 99, 235, 0.2) 100%);
    color: #93c5fd;
    box-shadow: 
        0 8px 30px rgba(59, 130, 246, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.app-card-icon.pink {
    background: linear-gradient(135deg, 
        rgba(236, 72, 153, 0.25) 0%, 
        rgba(219, 39, 119, 0.2) 100%);
    color: #f9a8d4;
    box-shadow: 
        0 8px 30px rgba(236, 72, 153, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.app-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
}

.app-card-subtitle {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 5px;
}

/* ============================================================
   БЫСТРЫЕ ДЕЙСТВИЯ - GLASS HOVER
   ============================================================ */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 40px 30px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.03) 0%, 
        rgba(255, 255, 255, 0.01) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 28px;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 40px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.quick-action::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% -20%, 
        rgba(99, 102, 241, 0.15) 0%, 
        transparent 50%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.quick-action::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.15) 50%, 
        transparent 100%);
}

.quick-action:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.06) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.4),
        0 0 80px rgba(99, 102, 241, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
}

.quick-action:hover::before {
    opacity: 1;
}

.quick-action-icon {
    width: 80px;
    height: 80px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.2) 0%, 
        rgba(168, 85, 247, 0.15) 100%);
    box-shadow: 
        0 12px 40px rgba(99, 102, 241, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.quick-action-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.quick-action:hover .quick-action-icon {
    transform: scale(1.15) rotate(-3deg);
    box-shadow: 
        0 20px 50px rgba(99, 102, 241, 0.35),
        0 0 40px rgba(99, 102, 241, 0.2);
}

.quick-action:nth-child(2) .quick-action-icon {
    background: linear-gradient(135deg, 
        rgba(16, 185, 129, 0.2) 0%, 
        rgba(5, 150, 105, 0.15) 100%);
    box-shadow: 
        0 12px 40px rgba(16, 185, 129, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.quick-action:nth-child(2):hover .quick-action-icon {
    box-shadow: 
        0 20px 50px rgba(16, 185, 129, 0.35),
        0 0 40px rgba(16, 185, 129, 0.2);
}

.quick-action:nth-child(2)::before {
    background: radial-gradient(circle at 50% -20%, 
        rgba(16, 185, 129, 0.15) 0%, 
        transparent 50%);
}

.quick-action:nth-child(3) .quick-action-icon {
    background: linear-gradient(135deg, 
        rgba(245, 158, 11, 0.2) 0%, 
        rgba(217, 119, 6, 0.15) 100%);
    box-shadow: 
        0 12px 40px rgba(245, 158, 11, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.quick-action:nth-child(3):hover .quick-action-icon {
    box-shadow: 
        0 20px 50px rgba(245, 158, 11, 0.35),
        0 0 40px rgba(245, 158, 11, 0.2);
}

.quick-action:nth-child(3)::before {
    background: radial-gradient(circle at 50% -20%, 
        rgba(245, 158, 11, 0.15) 0%, 
        transparent 50%);
}

.quick-action-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    text-align: center;
    position: relative;
    z-index: 1;
}

.quick-action-desc {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
    position: relative;
    z-index: 1;
}

/* ============================================================
   ЦИТАТА ДНЯ - PREMIUM GLASS
   ============================================================ */
.quote-card {
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.12) 0%, 
        rgba(168, 85, 247, 0.08) 50%,
        rgba(236, 72, 153, 0.05) 100%);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 28px;
    padding: 44px;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 15px 50px rgba(99, 102, 241, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.quote-card::before {
    content: '"';
    position: absolute;
    top: -40px;
    left: 25px;
    font-size: 180px;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.2) 0%, 
        rgba(168, 85, 247, 0.15) 50%,
        rgba(236, 72, 153, 0.1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: Georgia, serif;
    line-height: 1;
    filter: blur(1px);
}

.quote-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, 
        rgba(168, 85, 247, 0.15) 0%, 
        rgba(236, 72, 153, 0.08) 30%,
        transparent 70%);
    pointer-events: none;
    animation: floatGlow 8s ease-in-out infinite;
}

@keyframes floatGlow {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.8; }
    50% { transform: translate(-20px, 20px) scale(1.1); opacity: 1; }
}

.quote-text {
    font-size: 1.35rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.9;
    font-style: italic;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.quote-author {
    margin-top: 24px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.quote-author::before {
    content: '';
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #a855f7);
    border-radius: 2px;
}

/* ============================================================
   АДАПТИВНОСТЬ
   ============================================================ */
@media (max-width: 1200px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .sidebar {
        width: 80px;
        padding: 20px 10px;
    }
    
    .sidebar-logo {
        padding: 10px;
        justify-content: center;
    }
    
    .sidebar-logo-text,
    .sidebar-logo-sub,
    .nav-item span:not(.nav-icon),
    .nav-badge,
    .user-info,
    .logout-btn-new span {
        display: none;
    }
    
    .nav-item {
        justify-content: center;
        padding: 16px;
    }
    
    .user-card {
        justify-content: center;
        padding: 12px;
    }
    
    .logout-btn-new {
        padding: 16px;
    }
    
    .app-content {
        margin-left: 80px;
        padding: 28px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none !important;
    }
    
    /* На мобильных main-content должен быть column */
    .main-content.visible {
        display: flex !important;
        flex-direction: column !important;
        min-height: 100vh;
    }
    
    /* app-content должен быть видимым и занимать всё пространство */
    .main-content.visible .app-content,
    .main-content.visible main.app-content {
        display: block !important;
        flex: 1;
        margin-left: 0 !important;
        padding: 24px 18px 120px !important;
        min-height: calc(100vh - 80px);
        width: 100% !important;
    }
    
    /* КРИТИЧНО: Гарантируем видимость секций на мобильных */
    .main-content.visible section#home,
    .main-content.visible section#tests,
    .main-content.visible section#profile,
    .main-content.visible section#learning,
    .main-content.visible section#contacts {
        display: none;
    }
    
    .main-content.visible section#home.visible,
    .main-content.visible section#tests.visible,
    .main-content.visible section#profile.visible,
    .main-content.visible section#learning.visible,
    .main-content.visible section#contacts.visible,
    .main-content.visible section.visible,
    .main-content.visible section[style*="display: block"] {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .bento-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
    
    .bento-item {
        padding: 22px;
        border-radius: 20px;
    }
    
    .bento-value {
        font-size: 2.2rem;
    }
    
    .bento-item.large {
        grid-column: span 2;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .quick-action {
        padding: 26px 22px;
        flex-direction: row;
        gap: 18px;
        border-radius: 22px;
    }
    
    .quick-action-icon {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
        border-radius: 18px;
    }
    
    .quick-action-text,
    .quick-action-desc {
        text-align: left;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .page-header::after {
        width: 60px;
        height: 3px;
    }
    
    .app-card {
        padding: 26px;
        border-radius: 22px;
    }
    
    .quote-card {
        padding: 30px;
        border-radius: 22px;
    }
    
    .quote-text {
        font-size: 1.1rem;
    }
    
    /* Мобильная навигация - GLASS (высокая специфичность) */
    nav.mobile-nav,
    .main-content .mobile-nav,
    .mobile-nav {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: linear-gradient(180deg, 
            rgba(8, 8, 15, 0.9) 0%, 
            rgba(5, 5, 10, 0.98) 100%);
        backdrop-filter: blur(40px) saturate(180%);
        -webkit-backdrop-filter: blur(40px) saturate(180%);
        padding: 12px 10px 24px;
        justify-content: space-around;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        z-index: 1000;
        box-shadow: 
            0 -15px 50px rgba(0, 0, 0, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.05);
    }
    
    .mobile-nav::before {
        content: '';
        position: absolute;
        top: 0;
        left: 10%;
        right: 10%;
        height: 1px;
        background: linear-gradient(90deg, 
            transparent, 
            rgba(99, 102, 241, 0.3), 
            transparent);
    }
    
    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
        padding: 12px 20px;
        border-radius: 16px;
        color: rgba(255, 255, 255, 0.4);
        text-decoration: none;
        font-size: 0.65rem;
        font-weight: 500;
        transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        background: transparent;
        border: none;
        cursor: pointer;
        position: relative;
    }
    
    .mobile-nav-item::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: inherit;
        background: linear-gradient(135deg, 
            rgba(99, 102, 241, 0.15) 0%, 
            rgba(168, 85, 247, 0.1) 100%);
        opacity: 0;
        transition: opacity 0.4s ease;
    }
    
    .mobile-nav-item.active {
        color: #c4b5fd;
    }
    
    .mobile-nav-item.active::before {
        opacity: 1;
    }
    
    .mobile-nav-item.active i {
        filter: drop-shadow(0 0 10px rgba(196, 181, 253, 0.6));
    }
    
    .mobile-nav-item i {
        font-size: 1.4rem;
        position: relative;
        z-index: 1;
        transition: all 0.3s ease;
    }
    
    .mobile-nav-item span {
        position: relative;
        z-index: 1;
    }
}

/* Маленькие телефоны */
@media (max-width: 480px) {
    .app-content {
        padding: 18px 14px 100px;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .page-subtitle {
        font-size: 0.9rem;
    }
    
    .page-header {
        margin-bottom: 32px;
    }
    
    .page-header::after {
        width: 50px;
        height: 2px;
        bottom: -14px;
    }
    
    .bento-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .bento-item {
        padding: 16px;
        border-radius: 16px;
    }
    
    .bento-value {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }
    
    .bento-label {
        font-size: 0.8rem;
    }
    
    .bento-sublabel {
        font-size: 0.7rem;
    }
    
    .quick-actions {
        gap: 12px;
    }
    
    .quick-action {
        padding: 20px 18px;
        border-radius: 18px;
        gap: 14px;
    }
    
    .quick-action-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        border-radius: 14px;
    }
    
    .quick-action-text {
        font-size: 0.95rem;
    }
    
    .quick-action-desc {
        font-size: 0.75rem;
    }
    
    .app-card {
        padding: 20px;
        border-radius: 18px;
        margin-bottom: 20px;
    }
    
    .app-card-header {
        gap: 14px;
        margin-bottom: 20px;
    }
    
    .app-card-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        font-size: 1.3rem;
    }
    
    .app-card-title {
        font-size: 1.1rem;
    }
    
    .app-card-subtitle {
        font-size: 0.8rem;
    }
    
    .quote-card {
        padding: 24px 20px;
        border-radius: 18px;
    }
    
    .quote-card::before {
        font-size: 120px;
        top: -30px;
        left: 15px;
    }
    
    .quote-text {
        font-size: 1rem;
        line-height: 1.75;
    }
    
    .quote-author {
        font-size: 0.85rem;
        margin-top: 18px;
    }
    
    .quote-author::before {
        width: 24px;
    }
    
    /* Мобильная навигация - компактнее */
    .mobile-nav {
        padding: 10px 6px 20px;
    }
    
    .mobile-nav-item {
        padding: 10px 14px;
        font-size: 0.6rem;
        border-radius: 14px;
    }
    
    .mobile-nav-item i {
        font-size: 1.25rem;
    }
}

/* Очень маленькие экраны */
@media (max-width: 360px) {
    .app-content {
        padding: 14px 10px 95px;
    }
    
    .page-title {
        font-size: 1.35rem;
    }
    
    .bento-grid {
        gap: 8px;
    }
    
    .bento-item {
        padding: 14px;
        border-radius: 14px;
    }
    
    .bento-value {
        font-size: 1.5rem;
    }
    
    .bento-label {
        font-size: 0.75rem;
    }
    
    .quick-action {
        padding: 16px 14px;
        gap: 12px;
    }
    
    .quick-action-icon {
        width: 44px;
        height: 44px;
        font-size: 1.3rem;
        border-radius: 12px;
    }
    
    .quick-action-text {
        font-size: 0.9rem;
    }
    
    .app-card {
        padding: 16px;
        border-radius: 16px;
    }
    
    .mobile-nav-item {
        padding: 8px 10px;
        gap: 4px;
    }
    
    .mobile-nav-item i {
        font-size: 1.15rem;
    }
}

/* Скрываем мобильную навигацию на десктопе (>768px) */
@media (min-width: 769px) {
    .mobile-nav {
        display: none !important;
    }
}

/* Скрываем старую навигацию */
.main-content > nav:not(.sidebar-nav):not(.mobile-nav) {
    display: none !important;
}