@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root {
    --bg: #0b0c0f;
    --panel: #0f1117;
    --border: #1e2330;
    --border2: #2a3050;
    --green: #39ff85;
    --green-dim: #1a7a40;
    --amber: #ffb83f;
    --amber-dim: #7a5010;
    --blue: #4fc3f7;
    --red: #ff5f5f;
    --text: #cdd5e0;
    --dim: #6b7590;
    --dimmer: #303848;
}

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

html {
    font-size: 14px;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'IBM Plex Mono', monospace;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased; 
    min-height: 100vh;
}

/*-scanline overlay */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    pointer-events: none;
    z-index: 9999;
}

a {
    color: var(--blue);
    text-decoration: none;
}

a:hover {
    color: var(--blue);
    text-decoration: none;
}

/*-navbar */
nav {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 24px;
    height: 48px;
    border-bottom: 1px solid var(--border);
    background: var(--panel);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-logo {
    font-size: 13px;
    font-weight: 600;
    color: var(--green);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
    margin-right: 8px;
}

.nav-logo span {
    color: var(--dim);
}

nav a {
    font-size: 12px;
    color: var(--dim);
    letter-spacing: 0.05em;
    padding: 4px 0;
    border-bottom: 1px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}

nav a:hover, nav a.active {
    color: var(--text);
    border-bottom-color: var(--green);
    text-decoration: none;
}

.nav-spacer {
    flex: 1;
}

.nav-status {
    font-size: 11px;
    color: var(--green-dim);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

/* page */
.page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

/* headings */
.page-title {
    font-size: 11px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 8px;
}

h1 {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 600;
    color: #fff;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

h2 {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}

.lead {
    font-size: 13px;
    color: var(--dim);
    line-height: 1.8;
    max-width: 560px;
    margin-bottom: 40px;
}

/* panel */
.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 4px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dim);
}

.panel-header .tag {
    background: var(--border);
    color: var(--green);
    padding: 2px 8px;
    border-radius: 2px;
    font-size: 10px;
}

/*-border */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    font-weight: 500;
    border-radius: 3px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.btn-primary {
    background: var(--green);
    color: #000;
    border-color: var(--green);
}

.btn-primary:hover {
    background: #5fffaa;
    border-color: #5fffaa;
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border2);
}

.btn-ghost:hover {
    border-color: var(--text);
    color: #fff;
}

.btn-danger {
    background: transparent;
    color: var(--red);
    border-color: var(--red);
}

.btn-danger:hover {
    background: rgba(255, 95, 95, 0.1);

}

.btn:disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}

/*-form controls */
label {
    display: block;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dim);
    margin-bottom: 6px;
}

input[type="range"] {
    width: 100%;
    height: 3px;
    -webkit-appearance: none;
    background: var(--border2);
    border-radius: 2px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--green);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 4px var(--green);
}

input[type="number"],
input[type="text"],
select {
    background: var(--bg);
    border: 1px solid var(--border2);
    border-radius: 3px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    padding: 7px 10px;
    width: 100%;
    color: var(--text);
    transition: border-color 0.15s;
    outline: none;
}

input:focus, select:focus {
    border-color: var(--green);
}

select option {
    background: var(--panel);
}

/* data */
.readout {
    font-size: 12px;
    color: var(--dim);
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
}

.readout:last-child {
    border-bottom: none;
}

.readout .val {
    color: var(--amber);
    font-weight: 500;
}

.readout .val.green {
    color: var(--green);
}

.readout .val.blue {
    color: var(--blue);
}

/* grid helpers? */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

@media (max-width: 640px) {
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

/*- canvas wrapper - */
.canvas-wrap {
    position: relative;
    background: #000;
    border-radius: 3px;
    overflow: hidden;
    cursor: crosshair;
}

.canvas-wrap canvas {
    display: block;
    width: 100%;
}

.canvas-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 11px;
    color: var(--green-dim);
    pointer-events: none;
    line-height: 1.8;
}

/* badge */
.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 10px;
    border-radius: 2px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
}

.badge-green {
    background: rgba(57, 255, 133, 0.1);
    color: var(--green);
    border: 1px solid var(--green-dim);
}

.badge-amber {
    background: rgba(255, 184, 63, 0.1);
    color: var(--amber);
    border: 1px solid var(--amber-dim);
}

.badge-blue {
    background: rgba(79,195,247,0.1);
    color: var(--blue);
    border: 1px solid #1a5f80 ;
}

.badge-red {
    background: rgba(255, 95, 95, 0.1);
    color: var(--red);
    border: 1px solid #7a2020;
}

hr{
    border: none;
    border-top: 1px solid var(--border);
    margin: 24px 0;
}

/* top margin */

.mt-4{
    margin-top: 4px;
}
.mt-8{
    margin-top: 8px;
}
.mt-16 {
    margin-top: 16px;
}
.mt-24{
    margin-top: 24px;
}

/* bottom margin */

.mb-4{
    margin-bottom: 4px;
}
.mb-8{
    margin-bottom: 8px;
}
.mb-16 {
    margin-bottom: 16px;
}
.mb-24{
    margin-bottom: 24px;
}   

/* padding */
.p-16{
    padding: 16px;
}
.p-20 {
    padding: 20px;
}

.text-dim{
    color: var(--dim);
}
.text-green{
    color: var(--green);
}
.text-amber{
    color: var(--amber);
}
.text-blue{
    color: var(--blue);
}
.text-red{
    color: var(--red);
}

/* text */
.text-small {
    font-size: 11px;
}
.text-mono {
    font-family: 'IBM Plex Mono', monospace;
}

/* flex */
.flex {
    display: flex;
}
.flex-center {
    display: flex;
    align-items: center;

}

/* gap */
.gap-8 {
    gap: 8px;
}
.gap-16 {
    gap: 16px;
}
.gap-12 {
    gap: 12px;
}