:root {
    --bg-color: #05050a;
    --panel-bg: rgba(20, 10, 35, 0.85);
    --primary-purple: #b026ff;
    --primary-purple-glow: rgba(176, 38, 255, 0.4);
    --secondary-white: #f8f8ff;
    --alert-red: #ff3366;
    --success-cyan: #00f3ff;
    --text-color: #ffffff;
    --grid-line: rgba(176, 38, 255, 0.05);
    --font-main: 'Noto Sans JP', sans-serif;
    --font-display: 'Orbitron', sans-serif;
    --glass-border: 1px solid rgba(176, 38, 255, 0.3);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    overflow-x: hidden;
    min-height: 100vh;
    background-image:
        radial-gradient(circle at 50% 0%, #2a0a4a 0%, transparent 60%),
        linear-gradient(0deg, transparent 24%, var(--grid-line) 25%, var(--grid-line) 26%, transparent 27%, transparent 74%, var(--grid-line) 75%, var(--grid-line) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, var(--grid-line) 25%, var(--grid-line) 26%, transparent 27%, transparent 74%, var(--grid-line) 75%, var(--grid-line) 76%, transparent 77%, transparent);
    background-size: 100% 100%, 60px 60px, 60px 60px;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Back Button */
.back-btn-fixed {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
    text-decoration: none;
    background: rgba(10, 0, 20, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 4px;
    border: 1px solid var(--primary-purple);
    color: var(--primary-purple);
    font-family: var(--font-display);
    font-size: 0.85rem;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.back-btn-fixed:hover {
    background: rgba(176, 38, 255, 0.1);
    box-shadow: 0 0 15px var(--primary-purple-glow);
}

/* Main Container */
.container {
    width: 100%;
    max-width: 800px;
    margin-top: 60px;
    margin-bottom: 40px;
    background: var(--panel-bg);
    border: var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 20px var(--primary-purple-glow);
    display: flex;
    flex-direction: column;
    min-height: 60vh;
}

/* Header */
header {
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-white);
    text-shadow: 0 0 10px var(--primary-purple), 0 0 20px var(--primary-purple);
    letter-spacing: 2px;
    margin: 0;
}

.subtitle {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--primary-purple);
    margin-top: 10px;
    letter-spacing: 1px;
}

/* Terminal Area */
.terminal-window {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--primary-purple);
    border-radius: 8px;
    padding: 30px;
    position: relative;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

.terminal-window::before {
    content: "USER_INPUT_REQUIRED";
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--bg-color);
    padding: 0 10px;
    color: var(--primary-purple);
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 250px;
    animation: fadeIn 0.5s ease;
}

.terminal-content {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--secondary-white);
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
}

.terminal-content p {
    margin-bottom: 15px;
}

.result-title {
    font-size: 1.8rem;
    color: var(--primary-purple);
    margin-bottom: 20px;
    text-shadow: 0 0 10px var(--primary-purple-glow);
    font-weight: 700;
}

.result-message {
    font-size: 1rem;
    line-height: 1.8;
    text-align: center;
    background: rgba(176, 38, 255, 0.05);
    padding: 20px;
    border-left: 3px solid var(--primary-purple);
    border-radius: 0 8px 8px 0;
}

/* Actions */
.action-area {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 400px;
    gap: 15px;
}

.double-btn {
    flex-direction: row;
    justify-content: space-between;
}

.double-btn .cyber-btn {
    flex: 1;
    margin: 0 5px;
}

/* Buttons */
.cyber-btn {
    background: transparent;
    border: 1px solid var(--primary-purple);
    color: var(--secondary-white);
    padding: 15px 20px;
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cyber-btn:hover {
    background: var(--primary-purple-glow);
    box-shadow: 0 0 15px var(--primary-purple-glow);
    text-shadow: 0 0 5px #fff;
}

.cyber-btn.primary {
    background: rgba(176, 38, 255, 0.2);
    border-color: var(--primary-purple);
}

.cyber-btn.primary:hover {
    background: var(--primary-purple);
    color: #fff;
}

.cyber-btn.success {
    border-color: var(--success-cyan);
    color: var(--success-cyan);
}

.cyber-btn.success:hover {
    background: rgba(0, 243, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
    color: #fff;
}

.cyber-btn.danger {
    border-color: var(--alert-red);
    color: var(--alert-red);
}

.cyber-btn.danger:hover {
    background: rgba(255, 51, 102, 0.2);
    box-shadow: 0 0 15px rgba(255, 51, 102, 0.4);
    color: #fff;
}

.cyber-btn.share-btn {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--secondary-white);
}

.cyber-btn.share-btn:hover {
    background: var(--secondary-white);
    color: #000;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--panel-bg);
    border: 1px solid var(--primary-purple);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 0 40px var(--primary-purple-glow);
    max-width: 450px;
    width: 90%;
    animation: slideUp 0.3s ease-out;
}

.modal-title {
    font-family: var(--font-display);
    color: var(--primary-purple);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.modal p {
    margin-bottom: 25px;
    line-height: 1.6;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

/* Footer */
footer {
    margin-top: 40px;
    text-align: center;
    font-size: 0.75rem;
    color: #8c8c8c;
    font-family: var(--font-display);
    letter-spacing: 1px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.footer-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 5px;
}

.footer-btn {
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--secondary-white);
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.footer-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.support-btn {
    border-color: var(--primary-purple);
    color: var(--primary-purple);
    background: rgba(176, 38, 255, 0.05);
}

.support-btn:hover {
    background: rgba(176, 38, 255, 0.2);
    box-shadow: 0 0 15px var(--primary-purple-glow);
    color: #fff;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 20px;
        margin-top: 70px;
    }

    h1 {
        font-size: 2rem;
    }

    .terminal-window {
        padding: 20px;
    }

    .terminal-content {
        font-size: 1rem;
    }

    .double-btn {
        flex-direction: column;
        gap: 10px;
    }

    .double-btn .cyber-btn {
        margin: 0;
        width: 100%;
    }
}