/* slaac.net — terminal aesthetic with auto light/dark */

/* ── Dark theme (default) ─────────────────────────────── */
:root {
    --bg: #0a0a0a;
    --fg: #b0b0b0;
    --green: #33ff33;
    --amber: #ffbf00;
    --red: #ff3333;
    --dim: #555;
    --border: #333;
    --input-bg: #111;
    --key-bg: #1a1a1a;
    --key-border: #444;
}

/* ── Light theme ──────────────────────────────────────── */
@media (prefers-color-scheme: light) {
    :root {
        --bg: #fafafa;
        --fg: #1a1a1a;
        --green: #006600;
        --amber: #996600;
        --red: #cc0000;
        --dim: #888;
        --border: #ccc;
        --input-bg: #fff;
        --key-bg: #eee;
        --key-border: #aaa;
    }
}

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

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--fg);
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.5;
}

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

/* ── Landing page ─────────────────────────────────────── */

.landing {
    max-width: 72ch;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.landing h1 {
    color: var(--green);
    font-size: 1.5rem;
    font-weight: normal;
    margin-bottom: 0.25rem;
}

.landing .tagline {
    color: var(--amber);
    font-size: 1rem;
    margin-bottom: 2rem;
}

.landing .parody-notice {
    color: var(--dim);
    font-size: 0.85rem;
    margin-bottom: 2rem;
}

.rfc-block {
    white-space: pre;
    line-height: 1.4;
    margin: 1.5rem 0;
    color: var(--fg);
}

.rfc-block .header-label {
    color: var(--dim);
}

.landing .join-box {
    margin-top: 2rem;
    padding: 1rem;
    border: 1px solid var(--border);
}

.landing .join-box label {
    display: block;
    color: var(--dim);
    margin-bottom: 0.5rem;
}

.landing .join-box input {
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--green);
    font-family: inherit;
    font-size: 1rem;
    padding: 0.4rem 0.6rem;
    width: 20ch;
}

.landing .join-box input:focus {
    outline: 1px solid var(--green);
}

.landing .join-box button {
    background: var(--key-bg);
    border: 1px solid var(--key-border);
    color: var(--green);
    font-family: inherit;
    font-size: 1rem;
    padding: 0.4rem 1rem;
    cursor: pointer;
    margin-left: 0.5rem;
}

.landing .join-box button:hover {
    background: var(--key-border);
}

.landing section {
    margin-top: 2rem;
}

.landing section h2 {
    color: var(--green);
    font-size: 1rem;
    font-weight: normal;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.25rem;
    margin-bottom: 0.75rem;
}

.landing ul {
    list-style: none;
    padding-left: 3ch;
}

.landing ul li::before {
    content: "- ";
    color: var(--dim);
}

/* ── Chat layout ──────────────────────────────────────── */

.chat-container {
    display: flex;
    flex-direction: row;
    height: 100vh;
}

.chat-main {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.chat-header {
    white-space: pre;
    line-height: 1.4;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--fg);
    flex-shrink: 0;
}

.chat-header .channel-name {
    color: var(--green);
}

.chat-header .peer-count {
    color: var(--amber);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 1rem;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}
.chat-messages::-webkit-scrollbar-track {
    background: var(--bg);
}
.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border);
}

/* ── Messages ─────────────────────────────────────────── */

.msg {
    margin: 0.25rem 0;
    padding: 0.25rem 0;
}

.msg .ts {
    color: var(--dim);
    margin-right: 1ch;
    font-size: 0.85em;
}

.msg .from {
    color: var(--amber);
    margin-right: 1ch;
}

.msg .content {
    color: var(--fg);
    word-wrap: break-word;
}

.msg.system .content {
    color: var(--green);
}

.msg.kick .content {
    color: var(--red);
}

/* ── Reactions ────────────────────────────────────────── */

.reactions {
    display: inline-flex;
    gap: 0.5ch;
    margin-left: 1ch;
}

.react-btn {
    background: var(--key-bg);
    border: 1px solid var(--key-border);
    border-bottom-width: 2px;
    color: var(--fg);
    font-family: inherit;
    font-size: 0.8em;
    padding: 0.1rem 0.5rem;
    cursor: pointer;
    border-radius: 2px;
}

.react-btn:hover {
    background: var(--key-border);
}

.react-btn:active {
    border-bottom-width: 1px;
    margin-top: 1px;
}

.react-btn .count {
    color: var(--amber);
    margin-left: 0.5ch;
}

/* ── Input bar ────────────────────────────────────────── */

.chat-input {
    display: flex;
    border-top: 1px solid var(--border);
    padding: 0.5rem;
    flex-shrink: 0;
}

.chat-input input {
    flex: 1;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--fg);
    font-family: inherit;
    font-size: 1rem;
    padding: 0.5rem 0.75rem;
}

.chat-input input:focus {
    outline: 1px solid var(--green);
}

.chat-input input::placeholder {
    color: var(--dim);
}

.chat-input button {
    background: var(--key-bg);
    border: 1px solid var(--key-border);
    color: var(--green);
    font-family: inherit;
    font-size: 1rem;
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    margin-left: 0.5rem;
}

.chat-input button:hover {
    background: var(--key-border);
}

/* ── Status bar ───────────────────────────────────────── */

.status-bar {
    padding: 0.25rem 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.8em;
    color: var(--dim);
    flex-shrink: 0;
}

.status-bar .connected {
    color: var(--green);
}

.status-bar .disconnected {
    color: var(--red);
}

/* ── Kicked overlay ───────────────────────────────────── */

.kick-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 100;
    justify-content: center;
    align-items: center;
}

.kick-overlay.visible {
    display: flex;
}

.kick-overlay .kick-msg {
    color: var(--red);
    text-align: center;
    max-width: 50ch;
    line-height: 1.6;
}

@media (prefers-color-scheme: light) {
    .kick-overlay {
        background: rgba(255, 255, 255, 0.9);
    }
}

/* ── Sidebar ──────────────────────────────────────────── */

.chat-sidebar {
    width: 24ch;
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
}

.sidebar-channels {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--border);
    flex: 0 0 auto;
    max-height: 50%;
}

.sidebar-members {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow-y: auto;
}

.sidebar-heading {
    color: var(--dim);
    padding: 0.5rem 0.75rem 0.25rem;
    font-size: 0.8em;
    border-bottom: 1px solid var(--border);
}

.channel-item {
    padding: 0.15rem 0.75rem;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--fg);
}

.channel-item:hover {
    background: var(--key-bg);
}

.channel-item.active {
    color: var(--green);
}

.member-item {
    padding: 0.15rem 0.75rem;
    color: var(--amber);
    font-size: 0.85em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.member-item.away {
    color: var(--dim);
    font-style: italic;
}

.sidebar-join {
    display: flex;
    padding: 0.25rem;
    border-top: 1px solid var(--border);
}

.sidebar-join input {
    flex: 1;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--fg);
    font-family: inherit;
    font-size: 0.8em;
    padding: 0.2rem 0.4rem;
    min-width: 0;
}

.sidebar-join input:focus {
    outline: 1px solid var(--green);
}

.sidebar-join input::placeholder {
    color: var(--dim);
}

.sidebar-join button {
    background: var(--key-bg);
    border: 1px solid var(--key-border);
    color: var(--green);
    font-family: inherit;
    font-size: 0.8em;
    padding: 0.2rem 0.5rem;
    cursor: pointer;
    margin-left: 0.25rem;
}

.sidebar-join button:hover {
    background: var(--key-border);
}

@media (max-width: 600px) {
    .chat-sidebar {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 75vw;
        max-width: 28ch;
        background: var(--bg);
        border-left: 1px solid var(--border);
        transform: translateX(100%);
        transition: transform 0.2s ease;
        z-index: 100;
    }
    .chat-sidebar.open {
        transform: translateX(0);
    }
    .sidebar-backdrop {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 99;
    }
    .sidebar-backdrop.open {
        display: block;
    }
}

/* ── KaTeX overrides ──────────────────────────────────── */

.katex {
    font-size: 1.1em;
}

.katex-display {
    margin: 0.5rem 0;
}

/* ── Markdown in messages ────────────────────────────── */

.msg .content p {
    margin: 0;
    display: inline;
}

.msg .content p + p {
    display: block;
    margin-top: 0.25rem;
}

.msg .content strong {
    color: var(--fg);
    font-weight: bold;
}

.msg .content em {
    font-style: italic;
}

.msg .content del {
    text-decoration: line-through;
    color: var(--dim);
}

.msg .content code {
    background: var(--key-bg);
    border: 1px solid var(--key-border);
    padding: 0.1rem 0.3rem;
    font-size: 0.9em;
}

.msg .content pre {
    display: block;
    background: var(--key-bg);
    border: 1px solid var(--border);
    padding: 0.5rem 0.75rem;
    margin: 0.25rem 0;
    overflow-x: auto;
    white-space: pre;
}

.msg .content pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: inherit;
}

.msg .content a {
    color: var(--green);
    text-decoration: underline;
}

.msg .content a:hover {
    color: var(--amber);
}

/* ── Gate page ───────────────────────────────────────── */

.gate-page {
    max-width: 72ch;
    margin: 0 auto;
    padding: 2rem 1rem;
}
.gate-page h1 {
    color: var(--green);
    font-size: 1.5rem;
    font-weight: normal;
    margin-bottom: 0.5rem;
}
.progress-outer {
    width: 100%;
    height: 1.5em;
    border: 1px solid var(--border);
    background: var(--input-bg);
    margin: 0.5rem 0;
    position: relative;
    overflow: hidden;
}
.progress-inner {
    height: 100%;
    background: var(--green);
    width: 0%;
    transition: width 0.3s linear;
}
.progress-label {
    position: absolute;
    top: 0; left: 0; right: 0;
    text-align: center;
    line-height: 1.5em;
    color: var(--bg);
    font-size: 0.85em;
    mix-blend-mode: difference;
}
.gate-log {
    margin-top: 1rem;
    white-space: pre;
    font-size: 0.85em;
    line-height: 1.6;
    color: var(--dim);
}
.gate-log .ok { color: var(--green); }
.gate-log .info { color: var(--amber); }
.gate-log .err { color: var(--red); }
.gate-stats {
    margin-top: 0.5rem;
    font-size: 0.85em;
    color: var(--dim);
}

/* ── Utility: inline style replacements ──────────────── */

.color-green { color: var(--green); }
.color-amber { color: var(--amber); }
.color-red { color: var(--red); }
.mt-2rem { margin-top: 2rem; }

/* ── Contact page ────────────────────────────────────── */

.contact-page {
    max-width: 72ch;
    margin: 0 auto;
    padding: 2rem 1rem;
}
.contact-page h1 {
    color: var(--green);
    font-size: 1.5rem;
    font-weight: normal;
    margin-bottom: 0.5rem;
}
.contact-page .subtitle {
    color: var(--dim);
    margin-bottom: 2rem;
}
.contact-page textarea {
    width: 100%;
    height: 8em;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--fg);
    font-family: inherit;
    font-size: 1rem;
    padding: 0.5rem;
    resize: vertical;
}
.contact-page textarea:focus {
    outline: 1px solid var(--green);
}
.contact-page .send-btn {
    margin-top: 0.5rem;
    background: var(--key-bg);
    border: 1px solid var(--key-border);
    color: var(--green);
    font-family: inherit;
    font-size: 1rem;
    padding: 0.5rem 2rem;
    cursor: pointer;
}
.contact-page .send-btn:hover {
    background: var(--key-border);
}
.contact-page .send-btn:disabled {
    color: var(--dim);
    cursor: not-allowed;
}

/* ── Mining progress (shared gate + contact) ─────────── */

.mining-section {
    margin-top: 1.5rem;
    display: none;
}
.mining-section.visible {
    display: block;
}
.mining-stats {
    color: var(--dim);
    font-size: 0.85em;
    margin-top: 0.25rem;
}
.mining-stats .hash-display {
    color: var(--amber);
    word-break: break-all;
}
.mining-log {
    margin-top: 1rem;
    white-space: pre;
    font-size: 0.85em;
    color: var(--dim);
}
.mining-log .found {
    color: var(--green);
}
.result-section {
    margin-top: 1.5rem;
    display: none;
}
.result-section.visible {
    display: block;
}
.result-section .success {
    color: var(--green);
}
.result-section .error {
    color: var(--red);
}

/* ── Privacy page ────────────────────────────────────── */

.privacy-page {
    max-width: 72ch;
    margin: 0 auto;
    padding: 2rem 1rem;
}
.privacy-page h1 {
    color: var(--green);
    font-size: 1.5rem;
    font-weight: normal;
    margin-bottom: 2rem;
}