:root {
    color-scheme: dark;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #090b0e;
    color: #f5f7fa;
    line-height: 1.5;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at top right, rgba(245, 196, 0, 0.08), transparent 28rem),
        #090b0e;
}

header {
    position: sticky;
    top: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem max(1rem, calc((100vw - 78rem) / 2));
    border-bottom: 1px solid #252a31;
    background: rgba(9, 11, 14, 0.96);
}

nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

nav form {
    display: inline;
}

a {
    color: #ffd928;
}

.brand {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 800;
    text-decoration: none;
}

main {
    width: min(78rem, calc(100% - 2rem));
    margin: 2rem auto 5rem;
}

h1,
h2 {
    line-height: 1.15;
}

h1 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.5rem);
}

.page-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.page-heading p,
.muted {
    color: #aeb6c2;
}

.panel,
.device-card,
.login-card {
    border: 1px solid #292f38;
    border-radius: 1rem;
    background: #11151a;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.2);
}

.panel {
    margin: 1.25rem 0;
    padding: clamp(1rem, 3vw, 2rem);
}

.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
    gap: 1rem;
}

.device-card {
    padding: 1.5rem;
}

.device-card h2 {
    margin-top: 0;
}

dl {
    margin: 0;
}

dt {
    color: #9fa8b5;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

dd {
    margin: 0.2rem 0 1rem;
    font-size: 1.05rem;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
    gap: 1rem 2rem;
}

.status-grid dd {
    margin-bottom: 0;
}

.form-grid,
.speed-dials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

fieldset {
    display: grid;
    gap: 0.75rem;
    min-width: 0;
    border: 1px solid #303743;
    border-radius: 0.75rem;
}

legend {
    padding: 0 0.5rem;
    font-weight: 800;
}

label {
    display: grid;
    gap: 0.4rem;
    color: #dfe4eb;
    font-weight: 650;
}

input,
select,
button,
.button {
    min-height: 2.8rem;
    border: 1px solid #3b4450;
    border-radius: 0.55rem;
    padding: 0.65rem 0.8rem;
    background: #0b0e12;
    color: #fff;
    font: inherit;
}

input[type="color"] {
    width: 100%;
    padding: 0.2rem;
}

input:focus,
select:focus,
button:focus,
a:focus {
    outline: 3px solid #ffd928;
    outline-offset: 2px;
}

button,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    border-color: #ffd928;
    background: #ffd928;
    color: #111;
    font-weight: 850;
    text-decoration: none;
    cursor: pointer;
}

.button.secondary {
    background: transparent;
    color: #ffd928;
}

.link-button {
    min-height: auto;
    border: 0;
    padding: 0;
    background: none;
    color: #ffd928;
    font-weight: 500;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    min-height: 3rem;
}

.checkbox input {
    width: 1.4rem;
    min-height: 1.4rem;
}

.table-scroll {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 0.75rem;
    border-bottom: 1px solid #2b313a;
    text-align: left;
    vertical-align: top;
}

th {
    color: #aeb6c2;
}

code {
    display: inline-block;
    max-width: 24rem;
    overflow-wrap: anywhere;
    color: #d8dee8;
    font-size: 0.75rem;
}

.alert {
    margin: 1rem 0;
    border: 1px solid #3c4653;
    border-radius: 0.7rem;
    padding: 1rem;
}

.alert.success {
    border-color: #2b8f58;
    background: #10291c;
}

.alert.error {
    border-color: #d64b4b;
    background: #351616;
}

.empty {
    border: 1px dashed #39414d;
    border-radius: 1rem;
    padding: 3rem;
    color: #aeb6c2;
    text-align: center;
}

.login-card {
    width: min(30rem, 100%);
    margin: 8vh auto;
    padding: clamp(1.5rem, 5vw, 3rem);
}

.login-card form {
    display: grid;
    gap: 1rem;
}

@media (max-width: 48rem) {
    header,
    .page-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    nav {
        gap: 0.8rem;
    }

    main {
        margin-top: 1.25rem;
    }
}