/* ===== Базовые сбросы ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0d0d0d;
    --bg-secondary: #1a1a1a;
    --bg-card: #222222;
    --bg-hover: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #f7931e;
    --accent-hover: #e6821a;
    --border-color: #333333;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    --radius: 12px;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: radial-gradient(ellipse at center, #1a1a1a 0%, #0d0d0d 100%);
}

/* ===== Шапка ===== */
.header {
    background: rgba(20, 20, 20, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 20px;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.logo i {
    color: var(--accent);
    font-size: 28px;
}

.logo .badge {
    font-size: 12px;
    background: var(--accent);
    color: #000;
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav a:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav a.active {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav a i {
    margin-right: 8px;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

/* ===== Основной контент ===== */
.main {
    flex: 1;
    padding: 40px 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.page-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, #f7931e, #ff6b35);
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.page-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 40px;
}

/* ===== Лаунчер ===== */
.launcher-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.launcher {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 4px;
    width: 100%;
    max-width: 520px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.launcher::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, rgba(247, 147, 30, 0.3), transparent, rgba(247, 147, 30, 0.1));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.launcher-inner {
    background: var(--bg-card);
    border-radius: calc(var(--radius) - 4px);
    padding: 30px 28px 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    position: relative;
    z-index: 1;
}

/* Логотип в лаунчере */
.launcher-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.launcher-logo i {
    color: var(--accent);
    font-size: 30px;
}

/* Селектор версии */
.launcher-selector {
    width: 100%;
}

.launcher-selector label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
    font-weight: 600;
}

.custom-select {
    position: relative;
    width: 100%;
    cursor: pointer;
}

.selected-option {
    background: var(--bg-primary);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    transition: border-color 0.2s;
}

.selected-option:hover {
    border-color: var(--accent);
}

.selected-option i:last-child {
    font-size: 12px;
    color: var(--text-secondary);
    transition: transform 0.3s;
}

.custom-select.open .selected-option i:last-child {
    transform: rotate(180deg);
}

.options {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    z-index: 50;
}

.custom-select.open .options {
    max-height: 300px;
    opacity: 1;
    overflow-y: auto;
}

.option {
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.15s;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.option:last-child {
    border-bottom: none;
}

.option:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.option i {
    width: 18px;
    color: var(--accent);
}

/* Чекбоксы */
.launcher-options {
    display: flex;
    gap: 20px;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    user-select: none;
}

.checkbox input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.checkbox input:checked + .checkmark {
    background: var(--accent);
    border-color: var(--accent);
}

.checkbox input:checked + .checkmark::after {
    content: '✓';
    color: #000;
    font-size: 13px;
    font-weight: 700;
}

.checkbox .label-text {
    font-weight: 500;
}

/* Кнопка Play */
.play-button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border: none;
    border-radius: 8px;
    color: #000;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: 0.5px;
}

.play-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(247, 147, 30, 0.3);
}

.play-button:active {
    transform: translateY(0);
}

.play-button i {
    font-size: 16px;
}

/* ===== Управление ===== */
.controls-wrapper {
    max-width: 800px;
    margin: 0 auto 40px;
}

.controls-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    padding: 12px;
    border: 1px solid var(--border-color);
}

/* ===== Информационные карточки ===== */
.info-section {
    margin-top: 20px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.info-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: all 0.3s;
}

.info-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.info-card i {
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 12px;
}

.info-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* ===== Подвал ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 24px 20px;
    margin-top: 40px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer p {
    color: var(--text-secondary);
    font-size: 13px;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-links span {
    color: var(--text-secondary);
    font-size: 12px;
    opacity: 0.6;
}

/* ===== Адаптив ===== */
@media (max-width: 768px) {
    .nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        gap: 4px;
    }

    .nav.open {
        display: flex;
    }

    .hamburger {
        display: block;
    }

    .page-title {
        font-size: 28px;
    }

    .info-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .launcher-inner {
        padding: 20px 16px 20px;
    }

    .launcher-options {
        gap: 12px;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 18px;
    }
    .logo .badge {
        font-size: 10px;
        padding: 1px 8px;
    }
    .page-title {
        font-size: 22px;
    }
    .launcher {
        max-width: 100%;
    }
    .launcher-inner {
        padding: 16px 12px 16px;
        gap: 16px;
    }
    .selected-option {
        font-size: 13px;
        padding: 10px 12px;
    }
    .play-button {
        font-size: 16px;
        padding: 12px;
    }
    .info-card {
        padding: 18px;
    }
}

/* ===== Скроллбар ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}