/* =========================================================================
   LatinChan — tema retro BBS / GeoCities años 90, con acento latinoamericano.
   ADN heredado del proyecto de referencia: Courier New, fondo scanline,
   cajas de doble borde, barra "online" con punto parpadeante, marquee,
   notice boxes, botones 3D outset/inset.

   Paleta por variables CSS: cada tema pisa las mismas variables en
   :root[data-theme="..."], así todo el resto de la hoja de estilos queda
   igual y solo cambian los colores. El tema activo se guarda en
   localStorage y se aplica antes del primer paint (ver script inline en
   el <head> de los layouts) para evitar el flash del tema por defecto.
   ========================================================================= */

/* Cada tema apuesta a una identidad de color bien distinta entre sí, no solo
   a variar un poco el tono. Amarillo (negro + amarillo) es la identidad de
   marca de LatinChan y el tema por defecto; Oscuro es la variante neutra en
   negros y grises, sin amarillo; Hacker/Purple/Rojo son variantes casi
   monocromas (verde / magenta-cian / rojo) como una CRT de verdad — así se
   distinguen de un vistazo, incluso en captura chica.
   Ojo: --ok y --danger son colores SEMÁNTICOS (éxito/error) y a propósito
   rompen el monocromo de cada tema — si quedaran del mismo tono que --fg
   (como pasaba en Hacker) el greentext ">texto" se vuelve invisible. */

:root, :root[data-theme="amarillo"] {
    /* Amarillo (default) — identidad LatinChan: negro + amarillo */
    --bg: #171400;
    --fg: #ffd83d;
    --fg-dim: #a8862a;
    --panel-bg: #2b2400;
    --panel-bg-deep: #181400;
    --border: #6b5813;
    --border-strong: #ffcc00;
    --accent: #ffcc00;
    --accent-strong: #ffaa00;
    --accent-info: #fff2a8;
    --accent-warm: #ffb700;
    --ok: #33ff66;
    --danger: #ff4444;
    --danger-border: #ff0000;
    --band-bg: #5c4b00;
    --band-fg: #fff8dc;
    --input-fg: #ffcc00;
    --btn-bg: #7a6500;
    --btn-fg: #1a1400;
    --shadow: #ffaa00;
    --link-visited: #c9a227;
}

:root[data-theme="oscuro"] {
    /* Oscuro — sin amarillo: solo negros y grises, con blanco de acento */
    --bg: #000000;
    --fg: #d0d0d0;
    --fg-dim: #808080;
    --panel-bg: #121212;
    --panel-bg-deep: #0a0a0a;
    --border: #3a3a3a;
    --border-strong: #888888;
    --accent: #e8e8e8;
    --accent-strong: #ffffff;
    --accent-info: #a0a0a0;
    --accent-warm: #b0b0b0;
    --ok: #33ff66;
    --danger: #ff5555;
    --danger-border: #ff0000;
    --band-bg: #2a2a2a;
    --band-fg: #ffffff;
    --input-fg: #e8e8e8;
    --btn-bg: #4a4a4a;
    --btn-fg: #ffffff;
    --shadow: #888888;
    --link-visited: #999999;
}

:root[data-theme="hacker"] {
    /* Hacker — verde Matrix, monocromo total, negro puro de fondo */
    --bg: #000000;
    --fg: #00ff41;
    --fg-dim: #0a8f2c;
    --panel-bg: #001a08;
    --panel-bg-deep: #000d03;
    --border: #0f5c22;
    --border-strong: #00ff41;
    --accent: #39ff14;
    --accent-strong: #00e676;
    --accent-info: #7cffb2;
    --accent-warm: #b6ff00;
    --ok: #ccff00;
    --danger: #ff3b3b;
    --danger-border: #ff0000;
    --band-bg: #003310;
    --band-fg: #e8ffe8;
    --input-fg: #00ff41;
    --btn-bg: #0a5c1e;
    --btn-fg: #eaffea;
    --shadow: #00ff41;
    --link-visited: #4dcf7a;
}

:root[data-theme="purple"] {
    /* Purple — synthwave / vaporwave, magenta + cian sobre violeta profundo */
    --bg: #150a2e;
    --fg: #e6d9ff;
    --fg-dim: #a68fd9;
    --panel-bg: #22124a;
    --panel-bg-deep: #170b33;
    --border: #5c34ad;
    --border-strong: #ff2fd0;
    --accent: #ff2fd0;
    --accent-strong: #00f0ff;
    --accent-info: #c78bff;
    --accent-warm: #ff7ae0;
    --ok: #2fffb0;
    --danger: #ff3b6b;
    --danger-border: #ff2f6b;
    --band-bg: #5a1a8f;
    --band-fg: #ffe6fb;
    --input-fg: #ff2fd0;
    --btn-bg: #6b1fa8;
    --btn-fg: #ffe6fb;
    --shadow: #00f0ff;
    --link-visited: #b06bff;
}

:root[data-theme="rojo"] {
    /* Rojo — sangre + oro sobre negro, monocromo rojo con un solo acento dorado */
    --bg: #0d0000;
    --fg: #ff5c5c;
    --fg-dim: #a83a3a;
    --panel-bg: #1f0505;
    --panel-bg-deep: #120202;
    --border: #5c1a1a;
    --border-strong: #ff2020;
    --accent: #ff2020;
    --accent-strong: #ffcc00;
    --accent-info: #ff9e9e;
    --accent-warm: #ff6600;
    --ok: #33ff66;
    --danger: #ff3b3b;
    --danger-border: #ff0000;
    --band-bg: #4a0000;
    --band-fg: #ffe6e6;
    --input-fg: #ff2020;
    --btn-bg: #7a1010;
    --btn-fg: #ffe6e6;
    --shadow: #ffcc00;
    --link-visited: #cc6666;
}

* { box-sizing: border-box; }

body {
    background-color: var(--bg);
    background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAIklEQVQoU2NkYGD4z8BAAowKRg2iYdAYGBj4TxJNAADEiAIBtJTrXAAAAABJRU5ErkJggg==');
    color: var(--fg);
    font-family: "Courier New", Courier, monospace;
    font-size: 13px;
    margin: 0;
    padding: 10px;
}

a { color: var(--accent); text-decoration: none; }
a:visited { color: var(--link-visited); }
a:hover { color: var(--bg); background: var(--accent); }

.container { width: 80%; margin: 0 auto; }

/* header */
.header { text-align: center; border: 3px double var(--accent); background: var(--panel-bg); padding: 10px; margin-bottom: 10px; }
.header h1 { font-size: 26px; color: var(--accent-strong); text-shadow: 2px 2px var(--shadow); margin: 5px 0; letter-spacing: 3px; }
.header .sub { color: var(--fg); font-size: 11px; }
.header nav { margin-top: 8px; font-size: 12px; }
.header nav a { margin: 0 6px; }

/* stats bar */
.statsbar {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px;
    background: var(--bg); border: 1px solid var(--border-strong); padding: 4px 10px; margin-bottom: 8px; font-size: 11px;
}
.online-dot {
    display: inline-block; width: 8px; height: 8px; background: var(--ok); border-radius: 50%;
    margin-right: 5px; animation: blink 1s infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* banner de board/hilo — cambia al azar en cada carga de página */
.banner-box { text-align: center; margin-bottom: 10px; }
.banner-box img {
    display: inline-block; width: 300px; height: 100px; object-fit: contain;
    border: 2px solid var(--border-strong); background: var(--panel-bg);
}

/* marquee */
.mwrap { background: var(--bg); border: 1px solid var(--accent-strong); padding: 4px; margin-bottom: 10px; overflow: hidden; white-space: nowrap; }
.minn { display: inline-block; animation: mar 22s linear infinite; color: var(--accent); }
@keyframes mar { from { transform: translateX(100vw); } to { transform: translateX(-100%); } }

/* boards index (portada) */
.board-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; margin-bottom: 14px; }
.board-card { background: var(--panel-bg); border: 2px solid var(--border-strong); padding: 10px; transition: background-color .15s, box-shadow .15s; }
/* .board-card es un <a>, así que sin esto hereda el a:hover que invierte a
   fondo sólido --accent y vuelve el texto ilegible (los hijos tienen su
   propio color fijo, no heredan el "color: var(--bg)" del hover genérico). */
.board-card:hover { background: var(--panel-bg-deep); color: inherit; box-shadow: 0 0 10px var(--accent); }
.board-card .code { color: var(--accent-strong); font-weight: bold; font-size: 15px; }
.board-card .name { color: var(--accent); }
.board-card .desc { color: var(--fg-dim); font-size: 11px; margin-top: 4px; }
.board-card .meta { color: var(--fg-dim); font-size: 10px; margin-top: 6px; }
.board-card .noimg { color: var(--accent-strong); font-size: 10px; }

/* portada: stats + actividad reciente, debajo del listado de boards */
.home-stats {
    display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
    background: var(--panel-bg); border: 1px solid var(--border-strong); padding: 8px; margin-bottom: 16px; font-size: 12px;
}
.home-stats b { color: var(--accent); }

.home-section-title { color: var(--accent); border-bottom: 1px dashed var(--border); padding-bottom: 6px; margin: 18px 0 10px; }

.latest-images-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; margin-bottom: 10px; }
.latest-image-cell {
    position: relative; display: block; background: var(--panel-bg); border: 1px solid var(--border);
    aspect-ratio: 1 / 1; overflow: hidden; transition: box-shadow .15s;
}
.latest-image-cell:hover { color: inherit; box-shadow: 0 0 10px var(--accent); }
.latest-image-cell img { width: 100%; height: 100%; object-fit: cover; display: block; }
.latest-image-cell .badge {
    position: absolute; left: 0; bottom: 0; background: rgba(0,0,0,0.75); color: var(--accent);
    font-size: 10px; padding: 1px 4px;
}

.latest-threads-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.latest-thread-row {
    display: flex; align-items: baseline; gap: 8px; background: var(--panel-bg); border: 1px solid var(--border);
    padding: 6px 8px; font-size: 12px; transition: background-color .15s;
}
.latest-thread-row:hover { background: var(--panel-bg-deep); color: inherit; }
.latest-thread-row .board-tag { color: var(--accent-strong); font-weight: bold; flex-shrink: 0; }
.latest-thread-row .snippet { color: var(--fg); flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.latest-thread-row .replies { color: var(--fg-dim); flex-shrink: 0; font-size: 11px; }

/* notice */
.notice { text-align: center; padding: 6px; margin-bottom: 10px; font-weight: bold; border: 1px dashed; }
.notice.ok  { color: var(--ok); border-color: var(--ok); background: var(--panel-bg-deep); }
.notice.err { color: var(--danger); border-color: var(--danger-border); background: var(--panel-bg-deep); }

/* form de post (hilo nuevo y respuesta comparten estructura) */
.post-form, .reply-form { background: var(--panel-bg); border: 2px solid var(--fg-dim); padding: 10px; margin-bottom: 12px; }
.post-form h2 { color: var(--band-fg); background: var(--band-bg); margin: -10px -10px 10px; padding: 4px 8px; font-size: 14px; }
.reply-form { margin-left: 20px; }
.post-form table, .reply-form table { width: 100%; border-collapse: collapse; }
.post-form td, .reply-form td { padding: 3px 5px; vertical-align: top; }
.post-form td:first-child, .reply-form td:first-child { width: 100px; color: var(--accent); white-space: nowrap; }
.post-form input[type=text], .post-form input[type=password], .post-form textarea, .post-form input[type=file], .post-form select,
.reply-form input[type=text], .reply-form input[type=password], .reply-form textarea, .reply-form input[type=file], .reply-form select {
    background: var(--bg); color: var(--input-fg); border: 1px inset var(--fg-dim);
    font-family: "Courier New", monospace; font-size: 12px; width: 100%; box-sizing: border-box; padding: 3px;
}
.post-form textarea, .reply-form textarea { height: 90px; resize: vertical; }
.post-form input[type=submit], .reply-form input[type=submit], .btn {
    background: var(--btn-bg); color: var(--btn-fg); border: 2px outset var(--fg-dim);
    font-family: "Courier New", monospace; font-size: 12px; font-weight: bold; padding: 4px 16px; cursor: pointer; margin-top: 6px;
}
.post-form input[type=submit]:active, .reply-form input[type=submit]:active, .btn:active { border-style: inset; }
.btn.danger { background: var(--band-bg); }
.btn.small { font-size: 11px; padding: 2px 8px; }
.hidden { display: none !important; }
.captcha-box { color: var(--accent); font-weight: bold; }

/* board index: hilos con preview de respuestas.
   Cada hilo completo (OP + preview de respuestas + form) es un .thread-block,
   separado del siguiente por un margen grande + línea punteada, para que no
   se confunda dónde termina un hilo y empieza el próximo. Dentro de un
   .thread-block: el OP lleva una barra de color sólida a la izquierda
   (--accent, el color "de marca" del tema) y las respuestas una barra más
   fina de otro color (--accent-info) más indentada, así de un vistazo se
   distingue quién es el hilo y quién es una respuesta. */
.thread-block { margin-bottom: 28px; padding-bottom: 18px; border-bottom: 2px dashed var(--border); }
.thread-block:last-child { border-bottom: none; margin-bottom: 10px; }

.thread {
    background: var(--panel-bg); border: 2px solid var(--border); border-left: 5px solid var(--accent);
    margin-bottom: 0; padding: 8px 8px 8px 10px;
}
.thread.sticky { border-color: var(--border-strong); border-left-color: var(--accent-strong); }
.thread.locked { opacity: 0.85; }
.op-head { display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.op-head .flags { color: var(--accent-strong); font-size: 11px; }
.post-num { color: var(--accent-warm); font-weight: bold; cursor: pointer; text-decoration: none; }
.post-num:hover { color: var(--accent-warm); background: none; text-decoration: underline; }
.op-tag { color: var(--accent-strong); border: 1px solid var(--accent-strong); font-size: 10px; font-weight: bold; padding: 0 4px; }
.post-user { color: var(--fg); font-weight: bold; }
.post-trip { color: var(--accent-info); }
.capcode { font-weight: bold; padding: 0 4px; border: 1px solid; }
.capcode-admin     { color: var(--accent-strong); border-color: var(--accent-strong); }
.capcode-moderador { color: var(--accent); border-color: var(--accent); }
.capcode-janitor   { color: var(--accent-info); border-color: var(--accent-info); }
.post-subj { color: var(--accent); font-weight: bold; }
.post-date { color: var(--fg-dim); font-size: 11px; }
.post-body { color: var(--fg); white-space: pre-wrap; word-break: break-word; line-height: 1.5; margin-top: 4px; }
.post-body .quote { color: var(--ok); font-weight: bold; }
.post-body .quotelink { color: var(--accent-info); text-decoration: underline; }
.post-body .quotelink:hover { color: var(--bg); background: var(--accent-info); }

/* post apuntado por un quotelink (#p123) queda resaltado al llegar */
.thread:target, .reply:target { outline: 2px solid var(--accent-info); outline-offset: 2px; }

.post-with-image { display: flex; gap: 10px; }
.post-thumb { border: 1px solid var(--border); flex-shrink: 0; }
.post-thumb img { display: block; max-width: 250px; max-height: 250px; }
.post-thumb .filemeta { color: var(--fg-dim); font-size: 10px; text-align: center; margin-top: 2px; }
.post-content { flex: 1; min-width: 0; }

.replies-preview { margin-left: 26px; margin-top: 8px; border-left: 3px solid var(--accent-info); padding-left: 12px; }
.reply {
    background: var(--panel-bg-deep); border: 1px solid var(--border); border-left: 4px solid var(--accent-info);
    margin-top: 6px; padding: 6px 6px 6px 8px;
}
.staff-ip {
    margin-top: 4px; font-size: 10px; color: var(--fg-dim); border-left: 2px solid var(--accent-strong); padding-left: 6px;
}
.staff-ip .ip-value { color: var(--accent-info); font-weight: bold; }
.staff-ip a { margin-left: 6px; }
.thread-actions { margin-top: 6px; font-size: 11px; }
.thread-actions a { margin-right: 10px; }
.reply-btn {
    color: var(--accent-info); cursor: pointer; background: none; border: none; font-family: "Courier New", monospace;
    font-size: 11px; padding: 0; text-decoration: underline; margin-right: 10px;
}

/* vista de hilo completo */
.thread-full .reply { margin-left: 26px; }

/* catálogo */
.catalog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.catalog-cell { background: var(--panel-bg); border: 1px solid var(--border); padding: 6px; text-align: center; font-size: 11px; transition: background-color .15s, box-shadow .15s; }
.catalog-cell:hover { background: var(--panel-bg-deep); color: inherit; box-shadow: 0 0 10px var(--accent); }
.catalog-cell img { max-width: 100%; max-height: 150px; margin-bottom: 4px; }
.catalog-cell .subj { color: var(--accent); display: block; }
.catalog-cell .stats { color: var(--fg-dim); }

/* paginación */
.pagination { text-align: center; margin-top: 10px; padding: 6px; border-top: 1px dashed var(--border); }
.pagination a, .pagination span {
    display: inline-block; padding: 2px 8px; margin: 2px; border: 1px solid var(--border); text-decoration: none; color: var(--accent-info);
}
.pagination .current { background: var(--band-bg); color: var(--band-fg); border-color: var(--danger-border); }

.footer { text-align: center; color: var(--fg-dim); font-size: 11px; margin-top: 12px; border-top: 1px dashed var(--border); padding-top: 8px; }

/* ── Panel de administración ─────────────────────────────────────────── */
.admin-shell { display: flex; gap: 12px; align-items: flex-start; }
.admin-nav { width: 180px; background: var(--panel-bg); border: 2px solid var(--border-strong); padding: 10px; flex-shrink: 0; }
.admin-nav a { display: block; padding: 4px 2px; }
.admin-nav .role-badge { display: inline-block; margin-bottom: 8px; padding: 2px 6px; font-size: 10px; border: 1px solid; }
.role-badge.admin     { color: var(--accent-strong); border-color: var(--accent-strong); }
.role-badge.moderador { color: var(--accent); border-color: var(--accent); }
.role-badge.janitor   { color: var(--accent-info); border-color: var(--accent-info); }
.admin-main { flex: 1; min-width: 0; background: var(--panel-bg); border: 2px solid var(--border); padding: 12px; }
.admin-main h2 { color: var(--accent); margin-top: 0; border-bottom: 1px dashed var(--border); padding-bottom: 6px; }
table.data { width: 100%; border-collapse: collapse; font-size: 12px; margin-top: 8px; }
table.data th, table.data td { border: 1px solid var(--border); padding: 4px 6px; text-align: left; }
table.data th { background: var(--panel-bg-deep); color: var(--accent); }
table.data tr:hover { background: var(--panel-bg-deep); }
.form-grid label { display: block; color: var(--accent); margin-top: 8px; font-size: 12px; }
.form-grid input[type=text], .form-grid input[type=password], .form-grid input[type=number], .form-grid select, .form-grid textarea {
    background: var(--bg); color: var(--input-fg); border: 1px inset var(--fg-dim); font-family: "Courier New", monospace;
    font-size: 12px; padding: 4px; width: 100%; max-width: 400px; margin-top: 2px;
}
.form-grid .checkbox-line { display: flex; align-items: center; gap: 6px; margin-top: 8px; }
.form-grid .checkbox-line label { margin: 0; }

.login-box { max-width: 340px; margin: 60px auto; background: var(--panel-bg); border: 2px solid var(--fg-dim); padding: 16px; }
.login-box h2 { color: var(--band-fg); background: var(--band-bg); margin: -16px -16px 12px; padding: 6px 10px; }

/* ── Selector de temas ────────────────────────────────────────────────── */
.theme-switcher { position: fixed; top: 10px; right: 10px; z-index: 2000; font-size: 12px; font-family: "Courier New", monospace; }
.theme-switcher-label { color: var(--fg-dim); margin-right: 6px; vertical-align: middle; }
.theme-switcher-btn {
    display: inline-flex; align-items: center; gap: 6px; background: var(--panel-bg); color: var(--fg);
    border: 1px solid var(--border-strong); border-radius: 6px; padding: 5px 10px; cursor: pointer;
    font-family: "Courier New", monospace; font-size: 12px;
}
.theme-switcher-btn:hover { background: var(--panel-bg-deep); }
.theme-switcher-chevron { color: var(--fg-dim); font-size: 10px; margin-left: 2px; }
.theme-switcher-menu {
    list-style: none; margin: 4px 0 0; padding: 4px; position: absolute; right: 0; min-width: 165px;
    background: var(--panel-bg); border: 1px solid var(--border-strong); border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.theme-switcher-menu[hidden] { display: none; }
.theme-switcher-menu li {
    display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 4px; cursor: pointer; color: var(--fg);
}
.theme-switcher-menu li:hover { background: var(--panel-bg-deep); }
.theme-switcher-menu li.active { background: var(--band-bg); color: var(--band-fg); }
.ts-swatch {
    display: inline-block; width: 15px; height: 15px; border-radius: 50%; flex-shrink: 0;
    border: 1px solid rgba(255,255,255,0.35);
}
