/* ===== CSS VARIABLES ===== */
:root {
    /* Retro colors */
    --retro-dark: #0a1429;
    --retro-purple: #e63946;
    --retro-pink: #ff9e00;
    --retro-blue: #4cc9f0;
    --retro-green: #2a9d8f;
    --retro-yellow: #e9c46a;
    --retro-text: #f1faee;
    --retro-text-secondary: #a8dadc;
    --retro-glass: rgba(41, 128, 185, 0.1);
    --retro-glass-border: rgba(41, 128, 185, 0.3);
    --retro-success: #2a9d8f;
    --retro-error: #e63946;
    --retro-warning: #e9c46a;
    --retro-info: #4cc9f0;
    
    /* Retro fonts */
    --retro-font-heading: 'Press Start 2P', cursive;
    --retro-font-body: 'Share Tech Mono', monospace;
    --retro-font-code: 'VT323', monospace;
    
    /* Effects */
    --retro-transition: all 0.3s ease;
    --retro-border-radius: 0;
    --retro-box-shadow: 0 0 10px rgba(41, 128, 185, 0.5);
    --retro-text-shadow: 0 0 5px var(--retro-blue);
    --retro-glow: 0 0 10px var(--retro-blue), 0 0 20px var(--retro-blue);
    --cyber-glow-cyan: 0 0 5px var(--retro-blue), 0 0 10px var(--retro-blue);
    --cyber-glow-purple: 0 0 5px var(--retro-pink), 0 0 10px var(--retro-pink);
}

/* ===== RESET & BASE STYLES ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    height: 100%;
    overflow-x: hidden;
}

/* ===== BODY ===== */
body {
    font-family: var(--retro-font-body);
    line-height: 1.6;
    color: var(--retro-text);
    background: #000;
    overflow-x: hidden;
    text-shadow: 0 0 2px var(--retro-blue);
    -webkit-tap-highlight-color: transparent;
    min-height: 100vh;
    position: relative;
    overflow-y: auto;
    -webkit-user-select: none;
    user-select: none;
}

/* Предотвращаем скролл при открытом меню */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* ===== BACKGROUNDS ===== */
.svg-bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    background-image: url('/assets/svg/background.svg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Альтернативный вариант через SVG элемент */
.svg-bg-container svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/* Overlay для лучшей читаемости текста */
.overlay-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(10, 20, 41, 0.9) 0%,
        rgba(10, 20, 41, 0.7) 30%,
        rgba(10, 20, 41, 0.4) 60%,
        rgba(10, 20, 41, 0.2) 100%
    );
    z-index: -1;
}

/* ===== CONTENT & SCROLL FIXES ===== */
body {
    overflow-y: auto !important;
}

.content {
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

header, .container, footer {
    position: relative;
    z-index: 2;
}

/* ===== CONTAINERS ===== */
.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 3rem);
}

/* ===== TYPOGRAPHY HELPERS ===== */
li {
    list-style-type: none;
}

ul {
    margin-left: 0;
    padding-left: 0;
    margin: 0;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
}

p {
    margin: 0;
}

/* ===== LINKS ===== */
a {
    transition: 0.5s;
    text-decoration: none;
}

a:hover {
    text-decoration: none;
    transition: 0.5s;
}

/* ===== RETRO PANELS ===== */
.panel {
    margin-bottom: 2rem;
    background-color: rgba(10, 20, 41, 0.8);
    border: 1px solid var(--retro-blue);
    border-radius: var(--retro-border-radius);
    box-shadow: var(--retro-box-shadow);
    transition: var(--retro-transition);
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(10px);
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--retro-blue), var(--retro-pink), var(--retro-yellow));
    animation: panel-glow 3s linear infinite;
}

@keyframes panel-glow {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.panel:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px var(--retro-blue);
    border-color: var(--retro-yellow);
}

.panel-heading {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--retro-blue);
    background-color: rgba(10, 20, 41, 0.9);
    font-family: var(--retro-font-heading);
    font-size: 1rem;
    color: var(--retro-blue);
    letter-spacing: 1px;
    text-transform: uppercase;
    text-shadow: var(--retro-text-shadow);
}

.panel-body {
    padding: 1.5rem;
    background-color: rgba(10, 20, 41, 0.7);
}

.panel-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--retro-blue);
    background-color: rgba(10, 20, 41, 0.9);
}

/* ===== RETRO BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--retro-border-radius);
    padding: 0.75rem 1.5rem;
    font-family: var(--retro-font-heading);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--retro-transition);
    border: 1px solid var(--retro-blue);
    background: transparent;
    color: var(--retro-text);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-shadow: var(--retro-text-shadow);
    user-select: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(76, 201, 240, 0.3), transparent);
    transition: all 0.6s ease;
    z-index: 1;
}

.btn:hover {
    background: rgba(76, 201, 240, 0.2);
    box-shadow: 0 0 15px var(--retro-blue);
    color: var(--retro-yellow);
    border-color: var(--retro-yellow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--retro-blue), var(--retro-pink));
    border: 1px solid var(--retro-blue);
    color: var(--retro-text);
    box-shadow: 0 0 15px var(--retro-blue);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--retro-pink), var(--retro-blue));
    box-shadow: 0 0 25px var(--retro-blue);
    color: var(--retro-yellow);
}

/* ===== TEXT COLORS ===== */
.text-primary { color: var(--retro-blue); }
.text-success { color: var(--retro-green); }
.text-danger { color: var(--retro-error); }
.text-warning { color: var(--retro-yellow); }
.text-info { color: var(--retro-blue); }

/* ===== HERO SECTION ===== */
.fullscreen-bg {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay {
    position: relative;
    z-index: 4;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    width: 100%;
    height: 100%;
}

.overlay .header-text {
    color: var(--retro-blue);
    font-family: var(--retro-font-heading);
    text-shadow: 0 0 10px var(--retro-blue), 0 0 20px var(--retro-blue);
    position: relative;
}

.stack {
    display: grid;
    grid-template-columns: 1fr;
}

/* ===== LOGO ===== */
.logo {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    display: block;
    filter: drop-shadow(var(--retro-glow));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ===== FORM ELEMENTS ===== */
input[type="email"],
input[type="text"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--retro-blue);
    border-radius: var(--retro-border-radius);
    background-color: rgba(10, 20, 41, 0.8);
    color: var(--retro-text);
    font-family: var(--retro-font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--retro-transition);
}

input[type="email"]:focus,
input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
    border-color: var(--retro-yellow);
    box-shadow: 0 0 10px var(--retro-blue);
    background-color: rgba(10, 20, 41, 0.9);
}

input[type="email"].valid {
    border-color: var(--retro-green);
    box-shadow: 0 0 10px var(--retro-green);
}

/* ===== GRID SYSTEM ===== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

/* ===== FOOTER ===== */
footer {
    background-color: rgba(10, 20, 41, 0.9);
    border-top: 1px solid var(--retro-blue);
    padding: 2rem 0;
    margin-top: 4rem;
    position: relative;
    backdrop-filter: blur(10px);
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--retro-blue), var(--retro-pink), var(--retro-yellow));
}

footer h1 {
    font-family: var(--retro-font-heading);
    font-size: 1rem;
    color: var(--retro-blue);
    text-align: center;
    letter-spacing: 1px;
    text-shadow: var(--retro-text-shadow);
}

/* ===== STATUS INDICATORS ===== */
.status-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 0;
    margin-right: 8px;
}

.status-active {
    background-color: var(--retro-green);
    box-shadow: 0 0 10px var(--retro-green);
}

.status-inactive {
    background-color: var(--retro-error);
    box-shadow: 0 0 10px var(--retro-error);
}

.status-warning {
    background-color: var(--retro-yellow);
    box-shadow: 0 0 10px var(--retro-yellow);
}

/* ===== RETRO NAVIGATION ===== */
.cyber-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem 0;
    position: relative;
    z-index: 100;
    transition: var(--retro-transition);
}

.cyber-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.cyber-nav ul li {
    position: relative;
}

.cyber-nav a {
    color: var(--retro-text);
    text-decoration: none;
    font-family: var(--retro-font-heading);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--retro-border-radius);
    padding: 0.75rem 1.5rem;
    transition: var(--retro-transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    text-shadow: var(--retro-text-shadow);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cyber-nav a::before {
    content: '🚀';
    position: absolute;
    left: -20px;
    transition: var(--retro-transition);
    color: var(--retro-pink);
}

.cyber-nav a:hover {
    color: var(--retro-yellow);
    border-color: var(--retro-blue);
    background-color: rgba(76, 201, 240, 0.2);
    box-shadow: 0 0 10px var(--retro-blue);
}

.cyber-nav a:hover::before {
    left: 10px;
}

/* ===== MENU OVERLAY ===== */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

/* ===== HAMBURGER MENU ===== */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1003;
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
}

.hamburger span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--retro-blue);
    border-radius: 2px;
    transition: all 0.3s ease;
    box-shadow: var(--cyber-glow-cyan);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
    background-color: var(--retro-pink);
    box-shadow: var(--cyber-glow-purple);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
    background-color: var(--retro-pink);
    box-shadow: var(--cyber-glow-purple);
}

/* ===== LOADER ===== */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 9999;
}

.loader-logo {
    width: 120px;
    height: 120px;
    background: url('/logo.svg') no-repeat center center;
    background-size: contain;
    margin-bottom: 2rem;
    filter: drop-shadow(var(--retro-glow));
    animation: pulse 1.5s infinite alternate;
}

.loader-progress {
    width: 300px;
    height: 8px;
    background: rgba(160, 160, 160, 0.2);
    border-radius: 0;
    margin-top: 1rem;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--retro-blue);
}

.loader-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--retro-blue), var(--retro-pink));
    animation: progress 2.5s ease-in-out forwards;
}

@keyframes progress {
    0% { width: 0; }
    100% { width: 100%; }
}

.loader-text {
    margin-top: 1.5rem;
    font-family: var(--retro-font-heading);
    font-size: 0.8rem;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--retro-blue);
    text-shadow: var(--retro-text-shadow);
}

@keyframes fadeOut {
    to { opacity: 0; visibility: hidden; }
}

.loader-wrapper.hide {
    animation: fadeOut 1s ease forwards;
    pointer-events: none;
}

@keyframes pulse {
    0% { opacity: 0.7; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1); }
}

/* ===== SNOWFLAKES ===== */
.snowflakes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

.snowflake {
    position: absolute;
    background: white;
    border-radius: 50%;
    opacity: 0.8;
    animation: fall linear infinite;
}

.snow-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
}

.snow-particle {
    position: absolute;
    background: white;
    border-radius: 50%;
    opacity: 0.7;
    animation: fall linear infinite;
}

@keyframes fall {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 0.7;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* ===== TERMINAL EFFECT ===== */
.terminal {
    background: rgba(10, 20, 41, 0.9);
    border: 1px solid var(--retro-blue);
    padding: 1rem;
    font-family: var(--retro-font-code);
    color: var(--retro-green);
    position: relative;
    margin: 1rem 0;
}

.terminal::before {
    content: '🚀';
    position: absolute;
    top: -10px;
    left: 10px;
    background: var(--retro-dark);
    padding: 0 10px;
    color: var(--retro-blue);
    font-family: var(--retro-font-heading);
    font-size: 0.8rem;
}

/* ===== GLITCH EFFECT ===== */
.glitch {
    position: relative;
}

.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.glitch::before {
    color: var(--retro-pink);
    z-index: -1;
    animation: glitch-effect 3s infinite;
}

.glitch::after {
    color: var(--retro-blue);
    z-index: -2;
    animation: glitch-effect 2s infinite reverse;
}

@keyframes glitch-effect {
    0% { transform: translate(0); }
    20% { transform: translate(-3px, 3px); }
    40% { transform: translate(-3px, -3px); }
    60% { transform: translate(3px, 3px); }
    80% { transform: translate(3px, -3px); }
    100% { transform: translate(0); }
}

/* ===== NEON SIGN ===== */
.neon-sign {
    position: relative;
    text-shadow: 0 0 5px var(--retro-blue), 0 0 10px var(--retro-blue), 0 0 20px var(--retro-blue), 0 0 40px var(--retro-blue);
    animation: neon-flicker 1.5s infinite alternate;
}

@keyframes neon-flicker {
    0%, 19.999%, 22%, 62.999%, 64%, 64.999%, 70%, 100% {
        text-shadow: 0 0 5px var(--retro-blue), 0 0 10px var(--retro-blue), 0 0 20px var(--retro-blue), 0 0 40px var(--retro-blue);
    }
    20%, 21.999%, 63%, 63.999%, 65%, 69.999% {
        text-shadow: none;
    }
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===== PERFORMANCE ===== */
.will-change {
    will-change: transform, opacity;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .loader-progress::after {
        animation: none;
        width: 100%;
    }
    
    .glitch::before,
    .glitch::after {
        animation: none !important;
    }
    
    .snowflake,
    .snow-particle {
        animation: none !important;
        display: none;
    }
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 768px) {
    .hamburger { 
        display: flex !important;
        z-index: 1003;
        position: fixed;
        top: 1.5rem;
        right: 1.5rem;
    }
    
    .cyber-nav { 
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.98) !important;
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1002 !important;
        display: flex !important;
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
    }
    
    .cyber-nav.active {
        transform: translateX(0);
        visibility: visible;
        opacity: 1;
        pointer-events: all;
    }
    
    .cyber-nav ul {
        flex-direction: column;
        width: 100%;
        padding: 0 2rem;
        align-items: center;
    }

    .cyber-nav ul li {
        width: 100%;
        max-width: 300px;
        margin: 0.75rem 0;
        text-align: center;
    }

    .cyber-nav ul li a {
        display: block;
        width: 100%;
        padding: 1.25rem;
        font-size: 1rem;
        border: 1px solid var(--retro-blue);
        background: rgba(10, 20, 41, 0.9);
        text-align: center;
    }

    .cyber-nav ul li a:hover {
        background: rgba(76, 201, 240, 0.3);
        transform: translateY(-3px);
    }

    .overlay .header-text {
        font-size: 1.5rem;
        line-height: 1.3;
        padding: 0 1rem;
    }

    .overlay p {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .logo {
        width: 100px;
        height: 100px;
    }

    .panel {
        margin-bottom: 1.5rem;
    }

    .panel-heading {
        font-size: 0.9rem;
        padding: 1rem;
    }

    .panel-body {
        padding: 1rem;
    }

    .panel-footer {
        padding: 0.75rem;
    }

    .fullscreen-bg {
        height: 100vh;
        min-height: -webkit-fill-available;
    }
    
    .loader-logo {
        width: 80px;
        height: 80px;
    }
    
    .loader-progress {
        width: 80%;
        max-width: 250px;
    }
    
    .loader-text {
        font-size: 0.7rem;
    }
    
    /* Улучшаем отображение на очень маленьких экранах */
    @media (max-width: 480px) {
        .overlay .header-text {
            font-size: 1.2rem;
        }
        
        .logo {
            width: 80px;
            height: 80px;
        }
        
        .hamburger {
            top: 1rem;
            right: 1rem;
        }
        
        .container {
            padding: 0 1rem;
        }
        
        .cyber-nav ul li {
            margin: 0.5rem 0;
        }
        
        .cyber-nav ul li a {
            padding: 1rem;
            font-size: 0.9rem;
        }
    }
    
    /* Исправление для iOS */
    @supports (-webkit-touch-callout: none) {
        .fullscreen-bg {
            height: -webkit-fill-available;
        }
        
        .cyber-nav {
            height: -webkit-fill-available;
        }
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .overlay .header-text {
        font-size: 2.5rem;
    }

    .logo {
        width: 120px;
        height: 120px;
    }

    .cyber-nav ul {
        gap: 0.75rem;
    }

    .cyber-nav ul li a {
        padding: 0.6rem 1.25rem;
        font-size: 0.7rem;
    }
    
    .fullscreen-bg {
        height: 100vh;
    }
}

@media (min-width: 1025px) {
    .overlay .header-text {
        font-size: 3rem;
    }

    .logo {
        width: 150px;
        height: 150px;
    }

    .cyber-nav ul {
        gap: 1rem;
    }

    .cyber-nav ul li a {
        padding: 0.75rem 1.5rem;
        font-size: 0.8rem;
    }
}