:root {
    --sam-blue: #3A6EA5;
    --sam-blue-dark: #183B5A;
    --sam-blue-deep: #0B1724;
    --panel: rgba(11, 23, 36, 0.92);
    --panel-soft: rgba(58, 110, 165, 0.18);
    --line: #7CB7E8;
    --text: #E7F4FF;
    --muted: #A8C7DD;
    --nutri-green: #46FF8A;
    --nutri-amber: #FFD166;
    --danger: #FF6B6B;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }

body {
    margin: 0;
    color: var(--text);
    font-family: "Cascadia Mono", "Consolas", "Lucida Console", monospace;
    background:
        radial-gradient(circle at 18% 10%, rgba(70, 255, 138, .12), transparent 28%),
        radial-gradient(circle at 82% 18%, rgba(124, 183, 232, .20), transparent 34%),
        linear-gradient(135deg, var(--sam-blue) 0%, var(--sam-blue-dark) 45%, var(--sam-blue-deep) 100%);
    font-size: 16px;
}

body::after {
    content: "";
    pointer-events: none;
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(to bottom, rgba(255,255,255,.05) 0, rgba(255,255,255,.05) 1px, transparent 3px, transparent 6px);
    mix-blend-mode: screen;
    opacity: .18;
}

.app-shell {
    width: min(1100px, calc(100% - 24px));
    margin: 18px auto;
    border: 1px solid rgba(231, 244, 255, .55);
    box-shadow: 0 0 0 3px rgba(11, 23, 36, .4), 0 18px 50px rgba(0,0,0,.35);
    background: rgba(6, 13, 20, .56);
    backdrop-filter: blur(3px);
}

.hero-bar,
.bottom-bar {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    padding: 10px 14px;
    background: linear-gradient(90deg, rgba(58,110,165,.95), rgba(24,59,90,.95));
    border-bottom: 1px solid rgba(231,244,255,.42);
}

.brand { font-weight: 800; letter-spacing: 1.5px; color: #fff; }
.subtitle { color: var(--muted); font-size: .82rem; margin-top: 2px; }
.top-status { display: flex; gap: 16px; align-items: center; color: var(--nutri-green); }

.terminal-card {
    margin: 14px;
    padding: 0 16px 18px;
    background: var(--panel);
    border: 1px solid rgba(124,183,232,.7);
    box-shadow: inset 0 0 28px rgba(70,255,138,.06);
}

.terminal-title {
    margin: 0 -16px 16px;
    padding: 9px 12px;
    background: rgba(124,183,232,.12);
    border-bottom: 1px solid rgba(124,183,232,.55);
    color: var(--nutri-amber);
    text-transform: uppercase;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 9px;
}

.led {
    width: 10px;
    height: 10px;
    display: inline-block;
    border-radius: 50%;
    background: var(--nutri-green);
    box-shadow: 0 0 12px var(--nutri-green);
}

.panel {
    margin: 16px 0;
    padding: 14px;
    border: 1px solid rgba(124,183,232,.62);
    background: linear-gradient(180deg, rgba(58,110,165,.18), rgba(11,23,36,.82));
}

.panel-heading {
    display: inline-block;
    color: var(--sam-blue-deep);
    background: var(--nutri-green);
    padding: 3px 9px;
    margin: -26px 0 10px;
    font-weight: 800;
    text-transform: uppercase;
    box-shadow: 4px 4px 0 rgba(0,0,0,.4);
}

.menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
}

.menu-item {
    display: block;
    color: var(--text);
    text-decoration: none;
    border: 1px solid rgba(70,255,138,.45);
    background: rgba(0,0,0,.25);
    padding: 12px;
}

.menu-item strong { display: block; color: var(--nutri-amber); margin-bottom: 6px; }
.menu-item span { color: var(--muted); }
.menu-item:hover { background: rgba(70,255,138,.12); border-color: var(--nutri-green); }
.menu-item.disabled { opacity: .55; }

.kv {
    display: grid;
    grid-template-columns: 190px 1fr;
    gap: 12px;
    padding: 7px 0;
    border-bottom: 1px dotted rgba(168,199,221,.38);
}

.key { color: var(--nutri-green); }
.value { color: #fff; }

.form-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
label { color: var(--nutri-green); font-weight: 700; }

input[type="tel"], input[type="text"] {
    width: min(360px, 100%);
    background: #07131E;
    color: var(--nutri-amber);
    border: 1px solid var(--line);
    font: inherit;
    padding: 9px 10px;
    outline: none;
    box-shadow: inset 0 0 12px rgba(0,0,0,.55);
}

input[type="submit"], button {
    background: var(--sam-blue);
    color: #fff;
    border: 1px solid var(--line);
    font: inherit;
    font-weight: 800;
    padding: 9px 15px;
    cursor: pointer;
    text-transform: uppercase;
}

input[type="submit"]:hover, button:hover { background: var(--nutri-green); color: var(--sam-blue-deep); }
.small { color: var(--muted); margin-top: 10px; }
.warning { color: var(--danger); font-weight: 800; }

.command-line { margin-top: 18px; color: var(--nutri-green); }
.prompt { margin-right: 6px; }
.cursor {
    display: inline-block;
    width: 9px;
    height: 18px;
    background: var(--nutri-green);
    vertical-align: middle;
    animation: blink 1s steps(2, start) infinite;
}

.bottom-bar {
    border-top: 1px solid rgba(231,244,255,.42);
    border-bottom: 0;
    color: var(--text);
    font-size: .92rem;
}
.bottom-bar a { color: var(--nutri-amber); text-decoration: none; }
.bottom-bar a:hover { color: var(--sam-blue-deep); background: var(--nutri-green); }

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

@media (max-width: 680px) {
    body { font-size: 14px; }
    .kv { grid-template-columns: 1fr; gap: 0; }
    .hero-bar, .bottom-bar { display: block; }
    .top-status { margin-top: 8px; }
}

.lookup-form {
    display: grid;
    gap: 10px;
    max-width: 520px;
}

.lookup-form label {
    color: var(--nutri-green);
    font-weight: 700;
}

.lookup-form input,
.lookup-form select {
    background: rgba(0,0,0,.45);
    color: var(--text);
    border: 1px solid rgba(124,183,232,.7);
    padding: 9px;
    font-family: inherit;
}

.lookup-form button {
    margin-top: 8px;
    background: var(--nutri-green);
    color: var(--sam-blue-deep);
    border: 0;
    padding: 10px;
    font-family: inherit;
    font-weight: 800;
    cursor: pointer;
}

.dns-output {
    background: rgba(0,0,0,.55);
    border: 1px solid rgba(70,255,138,.45);
    color: var(--nutri-green);
    padding: 12px;
    overflow-x: auto;
}