/* ABOUTME: Styles for Bindicator landing page */
/* ABOUTME: Dark theme with LED glow effects and minimal layout */

:root {
    /* Colours */
    --bg: #141414;
    --led-green: #22c55e;
    --led-green-glow: rgba(34, 197, 94, 0.5);
    --led-brown: #b45309;
    --led-brown-glow: rgba(180, 83, 9, 0.5);
    --led-blue: #3b82f6;
    --led-blue-glow: rgba(59, 130, 246, 0.4);
    --led-off: #262626;
    --text: #f5f5f5;
    --text-muted: #737373;
    --border: #333;

    /* Typography */
    --font-headline: 'Anybody', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
}

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

html {
    font-size: 16px;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* LED Grid */
.led-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 6px;
    width: 280px;
    height: 280px;
    padding: 16px;
    background: #0a0a0a;
    border-radius: 12px;
    margin-bottom: var(--space-xl);
}

.led {
    aspect-ratio: 1;
    border-radius: 3px;
    background-color: var(--led-off);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.led.green {
    background-color: var(--led-green);
    box-shadow: 0 0 12px var(--led-green-glow), 0 0 24px var(--led-green-glow);
}

.led.brown {
    background-color: var(--led-brown);
    box-shadow: 0 0 12px var(--led-brown-glow), 0 0 24px var(--led-brown-glow);
}

.led.blue {
    background-color: var(--led-blue);
    box-shadow: 0 0 8px var(--led-blue-glow), 0 0 16px var(--led-blue-glow);
}

/* Pulse animation for active LEDs */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.led.pulsing {
    animation: pulse 2s ease-in-out infinite;
}

/* Typography */
.headline {
    font-family: var(--font-headline);
    font-size: clamp(2rem, 8vw, 3rem);
    font-weight: 900;
    font-style: italic;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-sm);
}

.tagline {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
}

/* Form */
.signup-form {
    width: 100%;
}

.form-row {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}

.signup-form input[type="email"] {
    flex: 1;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s ease;
}

.signup-form input[type="email"]::placeholder {
    color: var(--text-muted);
}

.signup-form input[type="email"]:focus {
    border-color: var(--led-green);
}

.signup-form button {
    padding: 0.875rem 1.5rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--bg);
    background-color: var(--led-green);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    white-space: nowrap;
}

.signup-form button:hover {
    background-color: #16a34a;
}

.signup-form button:active {
    transform: scale(0.98);
}

.signup-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-note {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.form-message {
    font-size: 0.875rem;
    margin-top: var(--space-sm);
    min-height: 1.25rem;
}

.form-message.success {
    color: var(--led-green);
}

.form-message.error {
    color: #ef4444;
}

/* Responsive */
@media (max-width: 480px) {
    .led-grid {
        width: 240px;
        height: 240px;
        gap: 5px;
        padding: 12px;
    }

    .form-row {
        flex-direction: column;
    }

    .signup-form button {
        width: 100%;
    }
}