:root {
    --bg-dark: #0a0a0f;
    --bg-card: #0d0d15;
    --bg-card-hover: #12121c;
    --neon-cyan: #00ffff;
    --neon-magenta: #ff00ff;
    --neon-pink: #ff0080;
    --neon-blue: #0080ff;
    --neon-purple: #8000ff;
    --neon-green: #00ff80;
    --neon-yellow: #ffff00;
    --neon-orange: #ff8000;
    --text-primary: #e0e0e0;
    --text-muted: #666680;
    --border-glow: rgba(0, 255, 255, 0.3);
    --shadow-neon: 0 0 20px rgba(0, 255, 255, 0.3), 0 0 40px rgba(255, 0, 255, 0.2);
}

* {
    box-sizing: border-box;
}

body {
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(255, 0, 128, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(128, 0, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
    animation: gridMove 20s linear infinite;
}

@keyframes neonPulse {
    0%, 100% { opacity: 1; filter: brightness(1); }
    50% { opacity: 0.8; filter: brightness(1.2); }
}

@keyframes rainbowGlow {
    0% { filter: hue-rotate(0deg) drop-shadow(0 0 10px var(--neon-cyan)); }
    25% { filter: hue-rotate(90deg) drop-shadow(0 0 15px var(--neon-magenta)); }
    50% { filter: hue-rotate(180deg) drop-shadow(0 0 10px var(--neon-pink)); }
    75% { filter: hue-rotate(270deg) drop-shadow(0 0 15px var(--neon-purple)); }
    100% { filter: hue-rotate(360deg) drop-shadow(0 0 10px var(--neon-cyan)); }
}

@keyframes borderGlow {
    0%, 100% { 
        border-color: var(--neon-cyan);
        box-shadow: 0 0 5px var(--neon-cyan), inset 0 0 5px rgba(0, 255, 255, 0.1);
    }
    33% { 
        border-color: var(--neon-magenta);
        box-shadow: 0 0 5px var(--neon-magenta), inset 0 0 5px rgba(255, 0, 255, 0.1);
    }
    66% { 
        border-color: var(--neon-pink);
        box-shadow: 0 0 5px var(--neon-pink), inset 0 0 5px rgba(255, 0, 128, 0.1);
    }
}

@keyframes slideUp {
    from { 
        opacity: 0; 
        transform: translateY(30px);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
    }
}

@keyframes glitch {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-2px, 1px); }
    94% { transform: translate(2px, -1px); }
    96% { transform: translate(-1px, 2px); }
    98% { transform: translate(1px, -2px); }
}

@keyframes scanline {
    0% { top: -100%; }
    100% { top: 100%; }
}

@keyframes flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        text-shadow: 
            0 0 5px var(--neon-cyan),
            0 0 10px var(--neon-cyan),
            0 0 20px var(--neon-cyan),
            0 0 40px var(--neon-cyan);
    }
    20%, 24%, 55% {
        text-shadow: none;
    }
}

.container {
    width: 400px;
    max-width: 95%;
    margin: 60px auto;
    padding: 30px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(13, 13, 21, 0.95), rgba(20, 20, 35, 0.9));
    border: 1px solid transparent;
    position: relative;
    animation: slideUp 0.6s ease-out, borderGlow 4s ease-in-out infinite;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(transparent, rgba(0, 255, 255, 0.05), transparent);
    animation: scanline 4s linear infinite;
    pointer-events: none;
}

h1 {
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    font-weight: 700;
    font-size: 28px;
    text-align: center;
    margin-bottom: 5px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: neonPulse 2s ease-in-out infinite;
    letter-spacing: 2px;
}

h1::after {
    content: '';
    display: block;
    width: 60%;
    height: 2px;
    margin: 15px auto;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-magenta), var(--neon-cyan), transparent);
}

h3 {
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

p {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 14px;
    letter-spacing: 1px;
}

label {
    display: block;
    margin-top: 15px;
    margin-bottom: 5px;
    color: var(--neon-cyan);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

input[type="text"], 
input[type="password"],
input[type="number"],
select {
    width: 100%;
    padding: 12px 15px;
    margin-top: 5px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 255, 255, 0.3);
    color: var(--text-primary);
    border-radius: 6px;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    font-size: 15px;
    transition: all 0.3s ease;
    outline: none;
}

input[type="text"]:focus, 
input[type="password"]:focus,
input[type="number"]:focus,
select:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3), inset 0 0 10px rgba(0, 255, 255, 0.1);
    background: rgba(0, 255, 255, 0.05);
}

input[type="text"]::placeholder,
input[type="password"]::placeholder {
    color: var(--text-muted);
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2300ffff' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
}

select option {
    background: #0d0d15;
    color: var(--text-primary);
}

button {
    width: 100%;
    padding: 14px 20px;
    margin-top: 20px;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(255, 0, 255, 0.1));
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    cursor: pointer;
    border-radius: 6px;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

button:hover {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.2), rgba(255, 0, 255, 0.2));
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.4), 0 0 40px rgba(255, 0, 255, 0.2);
    transform: translateY(-2px);
    text-shadow: 0 0 10px var(--neon-cyan);
}

button:hover::before {
    left: 100%;
}

button:active {
    transform: translateY(0);
}

.result {
    background: rgba(0, 0, 0, 0.4);
    padding: 15px;
    margin-top: 15px;
    border-radius: 6px;
    border-left: 3px solid var(--neon-cyan);
    font-size: 14px;
}

.theme-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-muted);
    margin-top: 25px;
    font-size: 11px;
}

.theme-btn:hover {
    border-color: var(--neon-purple);
    color: var(--neon-purple);
    box-shadow: 0 0 15px rgba(128, 0, 255, 0.3);
}

a {
    color: var(--neon-magenta);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

a:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--neon-cyan);
    transition: width 0.3s ease;
}

a:hover::after {
    width: 100%;
}

.buy { 
    color: var(--neon-green) !important;
    text-shadow: 0 0 10px rgba(0, 255, 128, 0.5);
}

.sell { 
    color: var(--neon-pink) !important;
    text-shadow: 0 0 10px rgba(255, 0, 128, 0.5);
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 15px 0;
}

.checkbox-row input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--neon-cyan);
    cursor: pointer;
}

.checkbox-row label {
    margin: 0;
    color: var(--text-primary);
    text-transform: none;
    font-size: 14px;
}

details summary {
    cursor: pointer;
    color: var(--neon-cyan);
    padding: 10px 0;
    font-weight: 500;
    transition: all 0.3s ease;
}

details summary:hover {
    text-shadow: 0 0 10px var(--neon-cyan);
}

details[open] summary {
    color: var(--neon-magenta);
    margin-bottom: 15px;
}

::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--neon-cyan), var(--neon-magenta));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(var(--neon-magenta), var(--neon-cyan));
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}