/* Yggdrasil retro theme — Midnight Commander vibes.
 * Midnight-blue background, pixel frames, hard shadows, zero rounding.
 * VT323 font (falls back to monospace if the CDN is unreachable).
 */
:root {
    --mc-blue: #0000aa;
    --mc-deep: #000066;
    --mc-fg: #d7d7d7;
    --mc-dim: #a8a8a8;
    --mc-bright: #ffffff;
    --mc-cyan: #55ffff;
    --mc-cyan-dim: #00aaaa;
    --mc-yellow: #ffff55;
    --mc-red: #aa0000;
    --mc-red-bright: #ff5555;
    --mc-black: #000000;
}

* { box-sizing: border-box; border-radius: 0 !important; }

html { background: var(--mc-black); }

body {
    background: var(--mc-blue);
    color: var(--mc-fg);
    font-family: "VT323", "Courier New", Courier, monospace;
    font-size: 22px;
    line-height: 1.35;
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 1rem 4rem;
    min-height: 100vh;
}

/* Subtle CRT effect — scanlines over the whole page. */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.10) 0 1px,
        transparent 1px 3px
    );
}

::selection { background: var(--mc-cyan); color: var(--mc-black); }

.hidden { display: none !important; }

/* --- Headings --- */
h1 {
    color: var(--mc-yellow);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 2.2rem;
    text-shadow: 3px 3px 0 var(--mc-black);
    border-bottom: 3px double var(--mc-dim);
    padding-bottom: 0.3em;
}

h2 { color: var(--mc-bright); letter-spacing: 2px; }

/* Yggdrasil logo — pixel art, so keep it crisp when scaled down.
 * On the home page it spans the full width of the blue band. */
.logo {
    display: block;
    width: 100%;
    height: auto;
    margin: 1rem auto;
    image-rendering: pixelated;
    border: 3px double var(--mc-bright);
    box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.45);
}

/* Small logo pinned to the right side of the black navbar. */
nav { display: flex; align-items: center; }
.nav-logo {
    height: 68px;
    width: auto;
    margin-left: auto;
    image-rendering: pixelated;
}

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

/* --- Menu bar (navigation) --- */
nav {
    background: var(--mc-black);
    border: 2px solid var(--mc-dim);
    padding: 0.3em 0.5em;
    margin-bottom: 1rem;
}
nav a {
    color: var(--mc-cyan);
    text-decoration: none;
    padding: 0 0.6em;
    margin-right: 0.2em;
}
nav a:hover { background: var(--mc-cyan); color: var(--mc-black); }

/* --- Panels and dialogs --- */
.panel {
    background: var(--mc-deep);
    border: 3px double var(--mc-bright);
    box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.45);
    padding: 1rem 1.2rem;
    margin-top: 1rem;
}

.dialog {
    position: relative;
    max-width: 460px;
    margin: 10vh auto 0;
    background: var(--mc-blue);
    border: 3px double var(--mc-bright);
    box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.5);
    padding: 1.5rem 1.5rem 1.2rem;
}
.dialog-title {
    position: absolute;
    top: -0.75em;
    left: 50%;
    transform: translateX(-50%);
    background: var(--mc-blue);
    color: var(--mc-yellow);
    padding: 0 1em;
    letter-spacing: 2px;
    text-transform: uppercase;
    white-space: nowrap;
}

/* --- Forms --- */
form { display: flex; flex-direction: column; gap: 0.8rem; }
label { color: var(--mc-bright); letter-spacing: 1px; }

/* Terminal-style field wrapper for the block caret (see login.html).
 * The overlay block is positioned by JS; without JS it stays hidden. */
.term-field { position: relative; }
.caret-block {
    display: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 1ch;
    height: 1.15em;
    background: var(--mc-yellow);
    box-shadow: 0 0 6px rgba(255, 255, 85, 0.6);
    pointer-events: none;
    animation: mcblink 1.06s steps(1) infinite;
}
.term-field.active .caret-block { display: block; }
/* Hide the native thin caret only when the JS block takes over. */
input.js-caret { caret-color: transparent; }

input, select {
    font: inherit;
    background: var(--mc-black);
    color: var(--mc-bright);
    border: 2px solid var(--mc-dim);
    padding: 0.3em 0.5em;
    width: 100%;
}
input:focus, select:focus {
    outline: none;
    border-color: var(--mc-yellow);
}
select { width: 100%; margin-top: 0.3rem; }
option { background: var(--mc-black); color: var(--mc-bright); }

button {
    font: inherit;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: var(--mc-dim);
    color: var(--mc-black);
    border: none;
    box-shadow: 4px 4px 0 var(--mc-black);
    padding: 0.4em 1.2em;
    cursor: pointer;
}
button:hover { background: var(--mc-cyan); }
button:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--mc-black); }
button:disabled { opacity: 0.5; cursor: default; }

#refresh-button { margin-top: 0.6rem; }

/* Sensors page: the "hourly average" checkbox must stay a small inline
 * box next to its text — the global `input { width: 100% }` would
 * otherwise stretch it full-width and break the row layout. */
#avg-label { display: flex; align-items: center; gap: 0.5em; margin-top: 0.6rem; }
#avg-label input { width: auto; margin: 0; }

.error {
    background: var(--mc-red);
    color: var(--mc-bright);
    border: 2px solid var(--mc-bright);
    box-shadow: 4px 4px 0 var(--mc-black);
    padding: 0.4em 0.6em;
}

/* --- Tables --- */
table { width: 100%; margin-top: 0.5rem; border-collapse: collapse; }
th, td {
    border: 1px solid var(--mc-dim);
    padding: 0.3em 0.6em;
    text-align: left;
}
th { background: var(--mc-cyan-dim); color: var(--mc-black); text-transform: uppercase; letter-spacing: 1px; }
tbody tr:hover { background: var(--mc-cyan); color: var(--mc-black); }

/* --- Links inside content --- */
a { color: var(--mc-cyan); }
a:hover { background: var(--mc-cyan); color: var(--mc-black); text-decoration: none; }

/* --- MC-style menu (home page) --- */
.mc-menu { list-style: none; padding: 0; margin: 1rem 0; }
.mc-menu li { margin: 0.2em 0; }
.mc-menu a {
    display: block;
    text-decoration: none;
    padding: 0.2em 0.6em;
}
.mc-menu a::before { content: "[*] "; color: var(--mc-yellow); }
.mc-menu a:hover::before { color: var(--mc-black); }
.mc-key {
    display: inline-block;
    background: var(--mc-black);
    color: var(--mc-cyan);
    border: 1px solid var(--mc-cyan-dim);
    padding: 0 0.4em;
    margin-right: 0.5em;
}
a:hover .mc-key { background: var(--mc-black); color: var(--mc-black); }

.hint { color: var(--mc-dim); }

/* Yellow highlight for usernames, roles and other key words. */
.hl { color: var(--mc-yellow); }

/* --- API docs --- */
.endpoint {
    background: var(--mc-deep);
    border: 3px double var(--mc-bright);
    box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.45);
    padding: 1rem 1.2rem;
    margin: 1rem 0;
}
.method {
    display: inline-block;
    padding: 0.1em 0.6em;
    margin-right: 0.5em;
    font-size: 0.9em;
    letter-spacing: 1px;
}
.get { background: var(--mc-cyan); color: var(--mc-black); }
.post { background: var(--mc-yellow); color: var(--mc-black); }
.path { font-size: 1.1rem; color: var(--mc-bright); }
.desc { margin: 0.5rem 0; }
.section-label {
    font-size: 0.85em;
    color: var(--mc-dim);
    margin: 0.75rem 0 0.25rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}
pre {
    background: var(--mc-black);
    color: var(--mc-cyan);
    border: 2px solid var(--mc-dim);
    padding: 0.7rem;
    overflow-x: auto;
    font-size: 0.9em;
}
code { font-family: inherit; }
.note {
    background: var(--mc-black);
    border-left: 6px solid var(--mc-yellow);
    padding: 0.5rem 0.75rem;
    margin: 1rem 0;
}

/* --- Bottom status bar --- */
.statusbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--mc-black);
    color: var(--mc-dim);
    border-top: 2px solid var(--mc-dim);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.25em 1em;
    font-size: 0.95em;
    z-index: 100;
}
.statusbar b {
    background: var(--mc-cyan-dim);
    color: var(--mc-bright);
    padding: 0 0.4em;
    margin-right: 0.3em;
}
.statusbar a { text-decoration: none; }

/* --- Chart --- */
.chart-box { margin-top: 1rem; }
canvas {
    background: var(--mc-black);
    border: 3px double var(--mc-bright);
    padding: 0.5rem;
}