// Shared terminal theme for the login and error pages: black background,
// purple mono type, sharp bordered box, blinking cursor, hover-invert
// controls. Mirrors the tm3911.org look.
:root {
    color-scheme: dark;
    --bg: #0a0a0a;
    --ink: #c98cff;
    --ink-dim: #9b6fb0;
    --danger: #d96b6b;
    --border: rgba(201, 140, 255, 0.35);
    --line-soft: rgba(201, 140, 255, 0.15);
    --font: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--bg);
    color-scheme: dark;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    text-align: center;
    user-select: none;
}

.container {
    width: min(420px, 90vw);
    padding: 40px 48px;
    background: rgba(201, 140, 255, 0.03);
    border: 1px solid var(--border);
}

.kicker {
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 12px;
    color: var(--ink-dim);
    font-weight: 600;
}

h1 {
    margin: 8px 0 0;
    font-size: 28px;
    font-weight: 700;
}

h1::after {
    content: "▊";
    margin-left: 6px;
    animation: blink 1s step-end infinite;
}

h2 {
    font-size: 20px;
    font-weight: 400;
    margin: 8px 0 24px;
    color: var(--ink-dim);
}

p {
    margin: 12px 0 20px;
    font-size: 14px;
    color: var(--ink-dim);
}

p.error {
    color: var(--danger);
}

button {
    display: block;
    width: 100%;
    margin: 8px 0;
    padding: 12px 16px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--ink);
    font: 600 15px var(--font);
    cursor: pointer;
}

button:hover {
    background: var(--ink);
    color: var(--bg);
    font-weight: 700;
}

input {
    width: 100%;
    margin: 8px 0;
    padding: 10px 12px;
    border: 1px solid var(--line-soft);
    background: rgba(201, 140, 255, 0.05);
    color: var(--ink);
    font: 14px var(--font);
}

input:focus {
    outline: none;
    border-color: var(--ink);
}

details {
    margin-top: 16px;
    text-align: left;
}

summary {
    color: var(--ink-dim);
    cursor: pointer;
    font-size: 13px;
}

.media-container {
    margin: 16px auto 0;
    width: 300px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.media-container img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 80%;
    max-height: 80%;
    filter: grayscale(1);
}

.media-container:hover img {
    filter: grayscale(0);
}

@keyframes blink {
    0%,
    49% {
        opacity: 1;
    }
    50%,
    100% {
        opacity: 0;
    }
}

@media (max-width: 440px) {
    .container {
        padding: 28px 20px;
    }

    h1 {
        font-size: 24px;
    }
}