/* Shared Gainstage design tokens + base UI primitives */
:root {
    --color-lcd-green: #8cf08c;
    --color-lcd-green-dark: #6cd46c;
    --color-lcd-blue: #7ec7ff;
    --color-lcd-blue-dark: #4a9fd8;
    --color-lcd-yellow: #FFD400;
    --color-lcd-yellow-dark: #d4b400;
    --color-lcd-orange: #ff8c69;
    --color-lcd-orange-dark: #d46c4a;
    --color-bg-dark: #1a1a1a;
    --color-bg-darker: #0a0a0a;
    --color-bg-strip: #2a2a2a;
    --color-bg-lcd: linear-gradient(135deg, #1a2a1a 0%, #0f1a0f 100%);
    --color-bg-lcd-blue: linear-gradient(135deg, #1a1f2a 0%, #0f141a 100%);
    --color-border-lcd: #2a3a2a;
    --color-border-lcd-blue: #2a3a4a;
    --color-border-dark: #0a0a0a;
    --color-primary: #7ec7ff;
    --color-primary-dark: #4a9fd8;
    --color-success: #8cf08c;
    --color-success-dark: #6cd46c;
    --color-danger: #ff8c69;
    --color-danger-dark: #d46c4a;
    --color-warning: #FFD400;
    --color-warning-dark: #d4b400;
    --color-gray-50: #2a2a2a;
    --color-gray-100: #3a3a3a;
    --color-gray-200: #4a4a4a;
    --color-gray-300: #5a5a5a;
    --color-gray-400: #6a6a6a;
    --color-gray-500: #7a7a7a;
    --color-gray-600: #8a8a8a;
    --color-gray-700: #9a9a9a;
    --color-gray-800: #aaaaaa;
    --color-gray-900: #8cf08c;
    --font-family: 'Courier New', 'Courier', monospace, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius: 6px;
    --border-radius-lg: 8px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.5);
    --shadow-glow-green: 0 0 8px rgba(140, 240, 140, 0.3);
    --shadow-glow-blue: 0 0 8px rgba(126, 199, 255, 0.3);
    --transition: all 0.2s ease;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    color: var(--color-lcd-green);
    background: var(--color-bg-dark);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.gainstage-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.gainstage-container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.gs-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: 2px solid var(--color-border-lcd);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: var(--font-family);
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(140, 240, 140, 0.05);
}

.gs-btn-primary {
    background: var(--color-bg-lcd-blue);
    color: var(--color-lcd-blue);
    border-color: #0078d4;
    text-shadow: 0 0 4px rgba(126, 199, 255, 0.3);
    box-shadow: var(--shadow-sm), var(--shadow-glow-blue);
}

.gs-btn-primary:hover {
    background: linear-gradient(135deg, #1a2535 0%, #0f1a2a 100%);
    border-color: #4a9eff;
    color: #a8d9ff;
    box-shadow: var(--shadow-md), 0 0 16px rgba(74, 158, 255, 0.4);
    text-shadow: 0 0 8px rgba(126, 199, 255, 0.6);
    transform: translateY(-1px);
}

.gs-btn-success {
    background: var(--color-bg-lcd);
    color: var(--color-lcd-green);
    border-color: var(--color-border-lcd);
    text-shadow: 0 0 4px rgba(140, 240, 140, 0.3);
    box-shadow: var(--shadow-sm), var(--shadow-glow-green);
}

.gs-btn-success:hover {
    background: linear-gradient(135deg, #1f3520 0%, #14251a 100%);
    border-color: #3a4a3a;
    color: #a8ffaa;
    box-shadow: var(--shadow-md), 0 0 12px rgba(140, 240, 140, 0.3);
    text-shadow: 0 0 8px rgba(140, 240, 140, 0.5);
    transform: translateY(-1px);
}

.gs-btn-danger {
    background: linear-gradient(135deg, #2a1f1a 0%, #1a140f 100%);
    color: var(--color-lcd-orange);
    border-color: #3a2a2a;
    text-shadow: 0 0 4px rgba(255, 140, 105, 0.3);
    box-shadow: var(--shadow-sm), 0 0 8px rgba(255, 140, 105, 0.2);
}

.gs-btn-danger:hover {
    background: linear-gradient(135deg, #3a2f2a 0%, #2a1f1a 100%);
    border-color: #4a3a3a;
    color: #ffb199;
    box-shadow: var(--shadow-md), 0 0 12px rgba(255, 140, 105, 0.3);
    text-shadow: 0 0 8px rgba(255, 140, 105, 0.5);
    transform: translateY(-1px);
}

.gs-btn-secondary {
    background: linear-gradient(135deg, var(--color-bg-strip) 0%, var(--color-bg-dark) 100%);
    color: var(--color-gray-600);
    border-color: var(--color-border-dark);
}

.gs-btn-secondary:hover {
    background: linear-gradient(135deg, #3a3a3a 0%, var(--color-bg-strip) 100%);
    color: var(--color-gray-500);
    border-color: #2a2a2a;
}

.gs-card {
    background: linear-gradient(135deg, var(--color-bg-strip) 0%, var(--color-bg-dark) 100%);
    border: 2px solid var(--color-border-dark);
    border-radius: var(--border-radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.02);
    transition: var(--transition);
    color: var(--color-lcd-green);
}

.gs-card:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow-green);
    transform: translateY(-2px);
}

.gs-card h3 {
    margin-top: 0;
    color: var(--color-lcd-blue);
}

.gs-alert {
    padding: 14px 18px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-weight: 500;
    font-family: var(--font-family);
    border: 2px solid;
}

.gs-alert-success {
    background: var(--color-bg-lcd);
    border-color: var(--color-border-lcd);
    color: var(--color-lcd-green);
    text-shadow: 0 0 4px rgba(140, 240, 140, 0.2);
}

.gs-alert-error {
    background: linear-gradient(135deg, #2a1f1a 0%, #1a140f 100%);
    border-color: #3a2a2a;
    color: var(--color-lcd-orange);
    text-shadow: 0 0 4px rgba(255, 140, 105, 0.2);
}

.gs-alert-warning {
    background: linear-gradient(135deg, #2a2a1a 0%, #1a1a0f 100%);
    border-color: #3a3a2a;
    color: var(--color-lcd-yellow);
    text-shadow: 0 0 4px rgba(255, 212, 0, 0.2);
}

.gs-alert-info {
    background: var(--color-bg-lcd-blue);
    border-color: var(--color-border-lcd-blue);
    color: var(--color-lcd-blue);
    text-shadow: 0 0 4px rgba(126, 199, 255, 0.2);
}

.gs-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-family);
    border: 1px solid;
}

.gs-badge-primary {
    background: var(--color-bg-lcd-blue);
    color: var(--color-lcd-blue);
    border-color: var(--color-border-lcd-blue);
    text-shadow: 0 0 4px rgba(126, 199, 255, 0.3);
    box-shadow: var(--shadow-glow-blue);
}

.gs-badge-success {
    background: var(--color-bg-lcd);
    color: var(--color-lcd-green);
    border-color: var(--color-border-lcd);
    text-shadow: 0 0 4px rgba(140, 240, 140, 0.3);
    box-shadow: var(--shadow-glow-green);
}

.gs-badge-danger {
    background: linear-gradient(135deg, #2a1f1a 0%, #1a140f 100%);
    color: var(--color-lcd-orange);
    border-color: #3a2a2a;
    text-shadow: 0 0 4px rgba(255, 140, 105, 0.3);
    box-shadow: 0 0 8px rgba(255, 140, 105, 0.2);
}

@media (max-width: 768px) {
    .gainstage-container,
    .gainstage-container-narrow {
        padding: 0 16px;
    }

    .gs-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .gs-card {
        padding: 20px;
    }
}