/* ============================================
   ЦВЕТОВАЯ ПАЛИТРА (ИЗ ИЗОБРАЖЕНИЯ)
   ============================================ */
:root {
    /* Основные цвета */
    --bg-dark: #0a0a0a;
    --bg-card: #1a1a1a;
    --bg-card-hover: #252525;

    /* Зеленые акценты */
    --accent-green: #00ff9d;
    --accent-green-glow: rgba(0, 255, 157, 0.3);
    --accent-cyan: #00d4ff;
    --accent-teal: #0d3d3d;

    /* Текст */
    --text-white: #ffffff;
    --text-gray: #a0a0a0;
    --text-dim: #666666;

    /* Эффекты */
    --shadow-glow: 0 0 30px rgba(0, 255, 157, 0.4);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
    --border-radius: 16px;

    /* Градиенты */
    --gradient-main: linear-gradient(135deg, #0a0a0a 0%, #0d3d3d 100%);
    --gradient-card: linear-gradient(145deg, #1a1a1a 0%, #0f2f2f 100%);
    --gradient-accent: linear-gradient(90deg, var(--accent-green) 0%, var(--accent-cyan) 100%);
}

/* ============================================
   БАЗОВЫЕ СТИЛИ
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-white);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   АНИМИРОВАННЫЙ ФОН
   ============================================ */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-main);
    z-index: 0;
}

.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    z-index: 1;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-green) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(20px, 30px) scale(1.05);
    }
}

/* ============================================
   КОНТЕЙНЕР ПРИЛОЖЕНИЯ
   ============================================ */
.app-container {
    position: relative;
    z-index: 10;
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   ХЕДЕР С ЛОГОТИПОМ
   ============================================ */
.header {
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 20px;
}

.logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--accent-green-glow) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

.logo-icon {
    position: relative;
    font-size: 64px;
    filter: drop-shadow(0 0 20px var(--accent-green-glow));
    animation: rotate-logo 20s linear infinite;
}

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

.main-title {
    font-size: 42px;
    font-weight: 900;
    letter-spacing: 4px;
    margin-bottom: 8px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px var(--accent-green-glow);
    animation: title-glow 3s ease-in-out infinite;
}

@keyframes title-glow {
    0%, 100% {
        filter: drop-shadow(0 0 10px var(--accent-green-glow));
    }
    50% {
        filter: drop-shadow(0 0 25px var(--accent-green-glow));
    }
}

.subtitle {
    font-size: 14px;
    letter-spacing: 3px;
    color: var(--text-gray);
    font-weight: 600;
    text-transform: uppercase;
}

/* ============================================
   СЕТКА МЕНЮ
   ============================================ */
.menu-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    flex: 1;
}

/* ============================================
   КАРТОЧКИ МЕНЮ
   ============================================ */
.menu-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

/* Подсветка при наведении */
.menu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent-green-glow), transparent);
    transition: left 0.5s;
}

.menu-card:hover::before {
    left: 100%;
}

.menu-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-green);
    box-shadow: 0 8px 30px var(--accent-green-glow);
    transform: translateY(-4px) scale(1.02);
}

.menu-card:active {
    transform: translateY(-2px) scale(0.98);
}

/* Выделенная карточка */
.menu-card.selected {
    background: var(--bg-card-hover);
    border-color: var(--accent-green);
    box-shadow: 0 8px 30px var(--accent-green-glow);
    transform: translateY(-4px) scale(1.02);
}

.menu-card.selected .card-icon {
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.3) 0%, rgba(0, 212, 255, 0.3) 100%);
    border-color: var(--accent-green);
    box-shadow: 0 0 25px var(--accent-green-glow);
    transform: scale(1.15) rotate(10deg);
}

/* Иконка карточки */
.card-icon {
    font-size: 32px;
    min-width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 157, 0.2);
    transition: all 0.3s ease;
}

.menu-card:hover .card-icon {
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.2) 0%, rgba(0, 212, 255, 0.2) 100%);
    border-color: var(--accent-green);
    box-shadow: 0 0 20px var(--accent-green-glow);
    transform: scale(1.1) rotate(5deg);
}

/* Контент карточки */
.card-content {
    flex: 1;
}

.card-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-white);
}

.card-content p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.4;
}

/* Стрелка */
.card-arrow {
    font-size: 24px;
    color: var(--text-dim);
    transition: all 0.3s ease;
}

.menu-card:hover .card-arrow {
    color: var(--accent-green);
    transform: translateX(5px);
}

/* ============================================
   ФУТЕР
   ============================================ */
.footer {
    margin-top: 30px;
    padding: 20px 0;
    text-align: center;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
    margin-bottom: 15px;
    opacity: 0.3;
}

.footer p {
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* ============================================
   АДАПТИВНОСТЬ
   ============================================ */
@media (max-width: 480px) {
    .main-title {
        font-size: 32px;
    }

    .menu-card {
        padding: 14px 16px;
    }

    .card-icon {
        font-size: 28px;
        min-width: 45px;
        height: 45px;
    }

    .card-content h3 {
        font-size: 16px;
    }

    .card-content p {
        font-size: 12px;
    }
}

/* ============================================
   АНИМАЦИЯ ПОЯВЛЕНИЯ
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.menu-card {
    animation: fadeInUp 0.6s ease-out backwards;
}

.menu-card:nth-child(1) { animation-delay: 0.1s; }
.menu-card:nth-child(2) { animation-delay: 0.15s; }
.menu-card:nth-child(3) { animation-delay: 0.2s; }
.menu-card:nth-child(4) { animation-delay: 0.25s; }
.menu-card:nth-child(5) { animation-delay: 0.3s; }
.menu-card:nth-child(6) { animation-delay: 0.35s; }
.menu-card:nth-child(7) { animation-delay: 0.4s; }
.menu-card:nth-child(8) { animation-delay: 0.45s; }
.menu-card:nth-child(9) { animation-delay: 0.5s; }

/* ============================================
   LOADING СОСТОЯНИЕ
   ============================================ */
.loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
}

.loading::after {
    content: '';
    width: 50px;
    height: 50px;
    border: 4px solid rgba(0, 255, 157, 0.1);
    border-top-color: var(--accent-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}