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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0A1C2F 0%, #0B2B40 100%);
    color: #E0E0E0;
    padding: 2rem;
    min-height: 100vh;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

/* Главный слайд */
.main-slide {
    background: rgba(26, 42, 58, 0.8);
    backdrop-filter: blur(4px);
    border-radius: 2rem;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 20px 35px -10px rgba(0,0,0,0.3);
}

.slide-header {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #00B4D8;
    margin-bottom: 0.5rem;
}

.slide-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #fff;
}

.slide-content {
    line-height: 1.6;
}

.main-slide img {
    max-width: 100%;
    max-height: 70vh;
    width: auto;
    object-fit: contain;
    border-radius: 1rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    display: block;
    margin: 0 auto;
}

.slide-content ul, .slide-content p {
    margin-top: 0.5rem;
}

.slide-content li {
    margin-left: 1.5rem;
    margin-bottom: 0.3rem;
}

/* Сетка плиток 3×3 */
.tiles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);  /* строго 3 колонки */
    gap: 1.5rem;
}

/* Плитка — увеличенный размер, крупный шрифт */
.tile {
    background: rgba(26, 42, 58, 0.85);
    backdrop-filter: blur(4px);
    border-radius: 1.5rem;
    padding: 1.8rem 1.2rem;
    cursor: pointer;
    transition: all 0.25s ease;
    border: 1px solid rgba(255,255,255,0.1);
    font-weight: 600;
    font-size: 1.2rem;           /* крупный шрифт */
    line-height: 1.4;
    color: #f0f0f0;
    text-align: center;
    word-break: break-word;
    min-height: 120px;            /* комфортная высота для тача */
    display: flex;
    align-items: center;
    justify-content: center;
}

.tile:hover {
    transform: translateY(-5px);
    background: rgba(26, 42, 58, 0.95);
    border-color: #00B4D8;
    box-shadow: 0 12px 20px -8px rgba(0,0,0,0.4);
}

/* Настройки (шестерёнка) */
.settings-icon {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #1A2A3A;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: 0.2s;
    z-index: 10;
}
.settings-icon:hover {
    transform: rotate(30deg);
    background: #00B4D8;
}

.settings-panel {
    position: fixed;
    bottom: 7rem;
    right: 2rem;
    background: #1A2A3A;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    width: 260px;
    border: 1px solid #2C3E50;
    display: none;
    z-index: 20;
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
}
.settings-panel.show {
    display: block;
}
.settings-panel h3 {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    color: #00B4D8;
}
.settings-panel label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}
.settings-panel input {
    width: 100%;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    padding: 0.2rem;
}

/* Модальное окно (карусель) */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
}
.modal-content {
    background: #0F212E;
    border-radius: 2rem;
    width: 90%;
    max-width: 1200px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 2rem;
    border: 1px solid #2C3E50;
    position: relative;
}
.close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: #aaa;
}
.close:hover {
    color: #fff;
}
.modal-header {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #00B4D8;
}

.modal-content img {
    max-width: 100%;
    width: auto;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 1rem;
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
    display: block;
    margin: 0 auto;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}
.carousel-controls button {
    background: #1A2A3A;
    border: none;
    color: white;
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: 0.2s;
}
.carousel-controls button:hover {
    background: #00B4D8;
}

/* Адаптивность: на узких экранах 2 или 1 колонка */
@media (max-width: 800px) {
    .tiles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .tile {
        font-size: 1rem;
        padding: 1.2rem 0.8rem;
        min-height: 90px;
    }
}

@media (max-width: 500px) {
    .tiles-grid {
        grid-template-columns: 1fr;
    }
    body {
        padding: 1rem;
    }
    .modal-content {
        width: 95%;
        padding: 1rem;
    }
}