:root {
    --bg-color: #050505;
    --text-primary: #00FF41;
    --text-secondary: #008F11;
    --accent: #39FF14;
    --font-mono: 'Fira Code', 'Courier New', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    overflow-x: hidden;
}

#app-container {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    border-bottom: 2px solid var(--text-secondary);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

h1 {
    font-size: 2rem;
    text-shadow: 0 0 10px var(--text-secondary);
    margin-bottom: 1rem;
}

.cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

#main-nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--text-secondary);
    padding: 0.5rem 1rem;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.nav-btn:hover:not(.disabled) {
    background: var(--text-secondary);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--accent);
}

.nav-btn.active {
    color: var(--accent);
    border-color: var(--accent);
    text-shadow: 0 0 5px var(--accent);
    box-shadow: inset 0 0 10px rgba(57, 255, 20, 0.2);
}

.nav-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #333;
    color: #555;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Base styles for dynamic content */
.module-section {
    border: 1px solid var(--text-secondary);
    padding: 1.5rem;
    background: rgba(0, 143, 17, 0.05);
    position: relative;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.05);
    animation: fadeIn 0.5s ease-out;
}

.module-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.module-header {
    border-bottom: 1px dashed var(--text-secondary);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

footer {
    margin-top: 2rem;
    border-top: 1px solid var(--text-secondary);
    padding-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.status-ok {
    color: var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Custom checkbox styling for neon terminal theme */
input[type="checkbox"].neon-checkbox {
    -webkit-appearance: none;
    appearance: none;
    background-color: transparent;
    padding: 0;
    margin: 0;
    font: inherit;
    color: currentColor;
    width: 1.15em;
    height: 1.15em;
    border: 1px solid var(--accent);
    display: inline-grid;
    place-content: center;
    cursor: pointer;
}
input[type="checkbox"].neon-checkbox::before {
    content: "";
    width: 0.65em;
    height: 0.65em;
    transform: scale(0);
    transition: 120ms transform ease-in-out;
    background-color: var(--accent);
}
input[type="checkbox"].neon-checkbox:checked::before {
    transform: scale(1);
}