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

/* ===== CSS ПЕРЕМЕННЫЕ (ОСНОВНАЯ ТЕМА) ===== */
:root {
    --color-primary: #7CFC00;
    --color-primary-rgb: 124, 252, 0;
    --color-accent: #FFAA00;
    --color-accent-rgb: 255, 170, 0;
    --color-secondary: #8B5A2B;
    --color-secondary-rgb: 139, 90, 43;
    --color-glow: #00c8ff;
    --color-glow-rgb: 0, 200, 255;
    --bg-body: #0b0d15;
    --bg-card: rgba(20, 25, 35, 0.4);
    --bg-card-hover: rgba(30, 35, 45, 0.6);
    --bg-glass: rgba(20, 25, 35, 0.4);
    --border-light: rgba(255,255,255,0.08);
    --text-primary: #e0e0e0;
    --text-muted: #aaa;
    --text-soft: #ccc;
    --gradient-primary: linear-gradient(135deg, #ffffff, var(--color-primary));
    --gradient-accent: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    --gradient-button: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    --shadow-primary: 0 0 20px var(--color-primary);
    --shadow-accent: 0 0 20px var(--color-accent);
    --shadow-card: 0 15px 35px rgba(0,0,0,0.5);
}

/* ===== ЗИМНЯЯ ТЕМА ===== */
body.theme-winter {
    --color-primary: #88c0ff;
    --color-primary-rgb: 136, 192, 255;
    --color-accent: #ffffff;
    --color-accent-rgb: 255, 255, 255;
    --color-secondary: #b0d4ff;
    --color-secondary-rgb: 176, 212, 255;
    --color-glow: #a0d0ff;
    --color-glow-rgb: 160, 208, 255;
    --bg-body: #0b1a2a;
    --bg-card: rgba(10, 30, 50, 0.5);
    --bg-card-hover: rgba(20, 40, 60, 0.7);
    --bg-glass: rgba(10, 30, 50, 0.5);
    --border-light: rgba(255,255,255,0.1);
    --gradient-primary: linear-gradient(135deg, #ffffff, var(--color-primary));
    --gradient-accent: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    --gradient-button: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    --shadow-primary: 0 0 20px var(--color-primary);
    --shadow-accent: 0 0 20px var(--color-accent);
}

body {
    background: var(--bg-body);
    color: var(--text-primary);
    font-family: 'Inter', 'Segoe UI', sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

/* ===== ФОН С ГРАДИЕНТОМ И МАЙНКРАФТ-ТЕКСТУРАМИ ===== */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(var(--color-primary-rgb), 0.05) 0%, transparent 25%),
        radial-gradient(circle at 90% 80%, rgba(var(--color-secondary-rgb), 0.05) 0%, transparent 30%),
        repeating-linear-gradient(45deg, rgba(107, 107, 107, 0.03) 0px, rgba(107, 107, 107, 0.03) 2px, transparent 2px, transparent 8px),
        repeating-linear-gradient(135deg, rgba(var(--color-secondary-rgb), 0.02) 0px, rgba(var(--color-secondary-rgb), 0.02) 4px, transparent 4px, transparent 12px);
    z-index: -2;
}

/* ===== СТЕКЛЯННЫЕ ЭФФЕКТЫ ===== */
.glass, .card, nav.nav, .glass-card, .form-container, table, input, button, .btn, .status-box {
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    background: var(--bg-glass);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card), inset 0 1px 1px rgba(255,255,255,0.1);
}

.glass {
    border-radius: 24px;
    padding: 2rem;
}

/* ===== КАРТОЧКИ ===== */
.card {
    border-radius: 24px;
    padding: 1.8rem;
    transition: transform 0.25s ease, box-shadow 0.3s ease;
    background: var(--bg-card);
    border-left: 3px solid var(--color-primary);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 25px 45px rgba(var(--color-primary-rgb), 0.2), 0 0 0 1px rgba(var(--color-primary-rgb), 0.3) inset;
    background: var(--bg-card-hover);
}

/* ===== НАВИГАЦИЯ ===== */
nav.nav {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin: 2rem auto;
    padding: 1rem 2rem;
    border-radius: 60px;
    width: fit-content;
    background: rgba(15, 20, 25, 0.5);
    border: 1px solid var(--border-light);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

nav.nav a {
    color: var(--text-soft);
    text-decoration: none;
    font-weight: 500;
    padding: 0.7rem 1.5rem;
    border-radius: 40px;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

nav.nav a::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width 0.25s ease;
}

nav.nav a:hover {
    color: white;
    background: rgba(var(--color-primary-rgb), 0.1);
}

nav.nav a:hover::after {
    width: 60%;
}

nav.nav a.active {
    color: var(--color-accent);
    background: rgba(var(--color-accent-rgb), 0.1);
    text-shadow: 0 0 8px var(--color-accent);
}

/* Кнопка переключения темы */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 1.4rem;
    padding: 0.4rem 1rem;
    border-radius: 40px;
    cursor: pointer;
    transition: 0.2s;
    line-height: 1;
}
.theme-toggle:hover {
    background: var(--color-primary);
    color: var(--bg-body);
    box-shadow: var(--shadow-primary);
    transform: scale(1.05);
}

/* ===== КНОПКИ ===== */
.btn, button:not(.theme-toggle) {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: 40px;
    font-weight: 600;
    text-decoration: none;
    color: #fff;
    background: rgba(var(--color-primary-rgb), 0.12);
    border: 1.5px solid rgba(var(--color-primary-rgb), 0.5);
    backdrop-filter: blur(8px);
    box-shadow: 0 5px 15px rgba(var(--color-primary-rgb), 0.2);
    transition: 0.25s;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.3px;
}

.btn:hover, button:not(.theme-toggle):hover {
    background: rgba(var(--color-primary-rgb), 0.25);
    border-color: var(--color-primary);
    box-shadow: 0 8px 25px var(--color-primary), 0 0 15px var(--color-accent);
    transform: scale(1.02);
    color: white;
}

.btn:active, button:not(.theme-toggle):active {
    transform: scale(0.98);
}

/* Кнопка "Как подключиться" */
.btn-primary {
    background: var(--gradient-button);
    border: none;
    color: #0b0d15;
    padding: 1rem 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-primary);
}
body.theme-winter .btn-primary {
    color: #0b1a2a;
}
.btn-primary:hover {
    filter: brightness(1.2);
    box-shadow: 0 0 30px var(--color-accent), 0 0 60px var(--color-primary);
    transform: scale(1.05);
}

/* ===== ТАБЛИЦЫ ===== */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
    margin: 1.5rem 0;
}

th {
    background: rgba(var(--color-primary-rgb), 0.25);
    color: var(--text-primary);
    font-weight: 500;
    padding: 1rem;
    text-align: left;
    border-radius: 16px 16px 8px 8px;
    backdrop-filter: blur(4px);
}

td {
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 12px;
    backdrop-filter: blur(4px);
    transition: 0.2s;
}

tr:hover td {
    background: rgba(var(--color-primary-rgb), 0.1);
    transform: scale(1.01);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.3);
}

/* ===== ФОРМЫ И ИНПУТЫ ===== */
input, textarea, select {
    width: 100%;
    padding: 1rem 1.2rem;
    border-radius: 30px;
    border: 1px solid var(--border-light);
    background: rgba(20, 25, 35, 0.6);
    color: white;
    font-size: 1rem;
    transition: 0.2s;
    backdrop-filter: blur(8px);
}
body.theme-winter input,
body.theme-winter textarea,
body.theme-winter select {
    background: rgba(10, 30, 50, 0.6);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2), 0 0 15px var(--color-primary);
    background: rgba(25, 30, 40, 0.8);
}
body.theme-winter input:focus,
body.theme-winter textarea:focus,
body.theme-winter select:focus {
    background: rgba(20, 40, 60, 0.8);
}

label {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* ===== СТАТУС СЕРВЕРА ===== */
.status-box {
    padding: 1rem 1.5rem;
    border-radius: 40px;
    font-weight: 600;
    display: inline-block;
    background: rgba(var(--color-primary-rgb), 0.1);
    border-left: 4px solid var(--color-primary);
    color: var(--text-primary);
}

.status-box.offline {
    background: rgba(255, 60, 60, 0.1);
    border-left-color: #ff4d4d;
    color: #ffaaaa;
}

/* ===== ЗАГОЛОВКИ ===== */
h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: var(--shadow-primary);
}

h2 {
    color: var(--text-primary);
    border-left: 5px solid var(--color-primary);
    padding-left: 1rem;
    margin: 2rem 0 1.5rem;
}

h3 {
    color: var(--color-accent);
}

/* ===== АНИМАЦИИ ПОЯВЛЕНИЯ ===== */
@keyframes fadeUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeUp 0.7s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ===== ХЕДЕР ===== */
header {
    text-align: center;
    padding: 3rem 1rem 1rem;
}

header .logo {
    width: 130px;
    border-radius: 50%;
    box-shadow: var(--shadow-primary);
    transition: 0.4s;
    border: 2px solid var(--color-secondary);
}

header .logo:hover {
    transform: rotate(6deg) scale(1.05);
    box-shadow: var(--shadow-accent);
}

/* ===== СОЦИАЛЬНЫЕ ССЫЛКИ ===== */
.social a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-soft);
    transition: 0.2s;
}

.social a:hover {
    color: var(--color-primary);
    transform: translateX(5px);
}

/* ===== ФУТЕР ===== */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(var(--color-primary-rgb), 0.2);
    margin-top: 3rem;
}

/* ===== СЕТКА ПРЕИМУЩЕСТВ ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.feature-card {
    padding: 2rem 1.5rem;
    text-align: center;
    border-radius: 24px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-accent), var(--color-secondary));
    border-radius: 26px;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.feature-card:hover::before {
    opacity: 0.5;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(var(--color-primary-rgb), 0.3);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px currentColor);
    color: var(--color-accent);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.feature-card h4 {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ===== БЛОК ПОДКЛЮЧЕНИЯ ===== */
.connect-block {
    margin: 3rem 0;
    padding: 2rem;
    border-radius: 30px;
    background: var(--bg-card);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
    box-shadow: 0 0 30px rgba(var(--color-primary-rgb), 0.2);
}

.ip-display {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.ip-label {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.ip-address {
    font-family: 'Courier New', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.5);
}

.copy-ip-btn {
    background: rgba(255,255,255,0.1);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 0.5rem 1.2rem;
    border-radius: 30px;
    cursor: pointer;
    transition: 0.2s;
    font-size: 1rem;
}

.copy-ip-btn:hover {
    background: var(--color-primary);
    color: var(--bg-body);
    box-shadow: 0 0 15px var(--color-primary);
}

.server-status-detailed {
    display: flex;
    gap: 1.5rem;
    color: var(--text-soft);
    font-size: 1.1rem;
}

/* ===== ГАЛЕРЕЯ ===== */
.gallery-preview h3 {
    text-align: center;
    margin-bottom: 2rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.gallery-item {
    aspect-ratio: 16 / 9;
    background-size: cover;
    background-position: center;
    border-radius: 20px;
    border: 2px solid transparent;
    transition: 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
    opacity: 0;
    transition: 0.3s;
}

.gallery-item:hover {
    transform: scale(1.05);
    border-color: var(--color-primary);
    box-shadow: 0 0 25px var(--color-primary);
}

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

/* ===== ПИКСЕЛЬНЫЕ ДЕКОРАЦИИ ===== */
.minecraft-decor {
    position: fixed;
    bottom: 20px;
    left: 20px;
    display: flex;
    gap: 8px;
    z-index: -1;
    opacity: 0.3;
}
.pixel-block {
    width: 32px;
    height: 32px;
    image-rendering: pixelated;
    background-size: cover;
}
.pixel-block.grass {
    background: var(--color-primary);
    box-shadow: inset -4px -4px 0 #5cb800, inset 4px 4px 0 #9aff6e;
}
.pixel-block.dirt {
    background: var(--color-secondary);
    box-shadow: inset -4px -4px 0 #5a3a1c, inset 4px 4px 0 #b87e3a;
}
.pixel-block.stone {
    background: #808080;
    box-shadow: inset -4px -4px 0 #5a5a5a, inset 4px 4px 0 #a6a6a6;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 700px) {
    h1 { font-size: 2.4rem; }
    nav.nav { flex-direction: column; width: 90%; padding: 1rem; }
    nav.nav a { text-align: center; }
    .glass, .card { padding: 1.2rem; }
    .btn { width: 100%; }
    .connect-block {
        flex-direction: column;
        text-align: center;
    }
    .ip-display {
        justify-content: center;
    }
    .server-status-detailed {
        flex-direction: column;
        gap: 0.5rem;
    }
}
.social {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(4px);
    transition: 0.3s;
    color: var(--text-soft);
    font-size: 1.8rem;
    text-decoration: none;
}
.social a:hover {
    background: var(--color-primary);
    color: #0b0d15;
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-primary);
}
/* Альтернативный фон (изображение) */
body.alt-bg .background {
    background: url('assets/bg.jpg') no-repeat center center fixed;
    background-size: cover;
    /* Убираем лишние фоны, так как они переопределяются */
}
/* Кнопка переключения фона */
.bg-toggle {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 1.4rem;
    padding: 0.4rem 1rem;
    border-radius: 40px;
    cursor: pointer;
    transition: 0.2s;
    line-height: 1;
}
.bg-toggle:hover {
    background: var(--color-primary);
    color: var(--bg-body);
    box-shadow: var(--shadow-primary);
    transform: scale(1.05);
}
/* ===== СТРАНИЦА HOWTO ===== */
.howto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.howto-card {
    padding: 2rem 1.5rem;
    text-align: center;
    border-radius: 30px;
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
    transition: 0.3s;
}

.howto-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(var(--color-primary-rgb), 0.3);
}

.step-number {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(var(--color-primary-rgb), 0.2);
    line-height: 1;
}

.step-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.howto-card h3 {
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.howto-card p {
    color: var(--text-soft);
    margin-bottom: 1.5rem;
}

.ip-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(0,0,0,0.3);
    padding: 0.8rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--color-primary);
    margin-top: 1rem;
}
.ip-box code {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
}
.ip-box .copy-ip-btn {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 0.3rem 1rem;
    border-radius: 30px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: 0.2s;
}
.ip-box .copy-ip-btn:hover {
    background: var(--color-primary);
    color: var(--bg-body);
}

.howto-list {
    text-align: left;
    list-style: none;
    padding: 0;
    color: var(--text-soft);
}
.howto-list li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}
.howto-list li::before {
    content: '⛏️';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 1rem;
}
.howto-list li strong {
    color: var(--color-accent);
}

.faq-section {
    padding: 2rem;
    margin: 3rem 0;
    border-radius: 30px;
}
.faq-section h3 {
    text-align: center;
    margin-bottom: 2rem;
}
.faq-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(var(--color-primary-rgb), 0.2);
}
.faq-item:last-child {
    border-bottom: none;
}
.faq-item h4 {
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}
.faq-item p {
    color: var(--text-soft);
    line-height: 1.5;
}
.faq-item a {
    color: var(--color-primary);
    text-decoration: underline;
}
.faq-item a:hover {
    color: var(--color-accent);
}

.btn-small {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}

/* Адаптивность */
@media (max-width: 700px) {
    .howto-grid {
        grid-template-columns: 1fr;
    }
    .ip-box {
        flex-direction: column;
    }
}