/* ============================================================
   SincronÍaCR — Estilos
   Tema: Técnico oscuro tipo osciloscopio — Orbitron + Fira Sans
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Fira+Sans:wght@300;400;500;600&display=swap');

:root {
    --bg:        #080c10;
    --surface:   #0e1318;
    --card:      #131920;
    --hover:     #1a2230;
    --border:    rgba(0,200,150,.12);
    --accent:    #00e5a0;      /* verde osciloscopio */
    --accent2:   #00b8d4;      /* azul canal */
    --yellow:    #f5c518;
    --red:       #ff4d4d;
    --text:      #d0dce8;
    --muted:     #4a6070;
    --sidebar-w: 240px;
    --radius:    8px;
    --ff-head:   'Orbitron', sans-serif;
    --ff-body:   'Fira Sans', sans-serif;
    --glow:      0 0 16px rgba(0,229,160,.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }

body {
    font-family: var(--ff-body);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.65;
    /* scanline subtle */
    background-image: repeating-linear-gradient(
        0deg, transparent, transparent 2px,
        rgba(0,229,160,.012) 2px, rgba(0,229,160,.012) 4px
    );
}

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

/* ── LAYOUT ─────────────────────────── */
.app-layout { display: flex; min-height: 100vh; }

.main-content {
    flex: 1;
    margin-left: var(--sidebar-w);
    display: flex;
    flex-direction: column;
}

.page-body {
    flex: 1;
    padding: 2rem 2.5rem;
    max-width: 1380px;
    width: 100%;
    margin: 0 auto;
}

footer {
    text-align: center;
    padding: .75rem;
    color: var(--muted);
    font-size: .72rem;
    border-top: 1px solid var(--border);
    font-family: var(--ff-head);
    letter-spacing: .08em;
}

/* ── SIDEBAR ─────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    background: var(--surface);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}

.sb-brand {
    padding: 1.4rem 1.1rem 1rem;
    border-bottom: 1px solid var(--border);
}

.sb-brand .logo-text {
    font-family: var(--ff-head);
    font-size: 1.05rem;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: .1em;
    text-shadow: var(--glow);
}

.sb-brand .logo-sub {
    font-size: .65rem;
    color: var(--muted);
    letter-spacing: .18em;
    text-transform: uppercase;
    margin-top: .15rem;
}

/* pulse dot */
.sb-brand::after {
    content: '';
    display: block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    margin-top: .6rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%,100% { opacity: 1; transform: scale(1); }
    50%      { opacity: .4; transform: scale(.7); }
}

.sb-user {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .9rem 1.1rem;
    border-bottom: 1px solid var(--border);
}

.avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .78rem; color: #000;
    flex-shrink: 0;
}

.sb-user .u-name { font-size: .82rem; font-weight: 600; }
.sb-user .u-role { font-size: .65rem; color: var(--accent); text-transform: uppercase; letter-spacing: .1em; }

.sb-nav { flex: 1; padding: .8rem 0; }

.nav-item {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .6rem 1.1rem;
    font-size: .85rem;
    color: var(--muted);
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: all .18s ease;
    font-weight: 500;
}

.nav-item:hover { color: var(--text); background: var(--hover); text-decoration: none; }
.nav-item.active { color: var(--accent); background: rgba(0,229,160,.07); border-left-color: var(--accent); }

.nav-divider {
    padding: 1.1rem 1.1rem .3rem;
    font-size: .62rem;
    text-transform: uppercase;
    letter-spacing: .15em;
    color: var(--muted);
    font-family: var(--ff-head);
}

.sb-footer { border-top: 1px solid var(--border); padding: .5rem 0; }
.nav-logout:hover { color: var(--red) !important; }

/* ── TOPBAR ──────────────────────────── */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 2.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    position: sticky; top: 0; z-index: 50;
}

.page-title {
    font-family: var(--ff-head);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: .08em;
    text-shadow: var(--glow);
}

.page-sub { font-size: .75rem; color: var(--muted); margin-top: .1rem; }

.topbar-actions { display: flex; gap: .65rem; align-items: center; }

/* ── FLASH ───────────────────────────── */
.flash {
    padding: .8rem 1.1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: .85rem;
    font-weight: 500;
    border: 1px solid;
    display: flex; align-items: center; gap: .5rem;
    animation: fadeIn .3s ease;
}

@keyframes fadeIn { from { opacity:0; transform:translateY(-6px); } to { opacity:1; transform:none; } }

.flash-success { background: rgba(0,229,160,.08); border-color: rgba(0,229,160,.3); color: var(--accent); }
.flash-error   { background: rgba(255,77,77,.08);  border-color: rgba(255,77,77,.3);  color: var(--red); }
.flash-info    { background: rgba(0,184,212,.08);  border-color: rgba(0,184,212,.3);  color: var(--accent2); }

/* ── CARDS ───────────────────────────── */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color .2s;
}

.card:hover { border-color: rgba(0,229,160,.25); }

.card-header {
    padding: .9rem 1.3rem;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}

.card-title {
    font-family: var(--ff-head);
    font-size: .9rem;
    letter-spacing: .06em;
    color: var(--accent);
}

.card-body { padding: 1.3rem; }

/* ── SINCRONIA GRID ─────────────────── */
.sinc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.sinc-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .2s, border-color .2s, box-shadow .2s;
    cursor: pointer;
}

.sinc-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--glow);
    text-decoration: none;
}

.sinc-thumb {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: #0a1520;
    display: flex; align-items: center; justify-content: center;
    color: var(--muted);
    font-size: .8rem;
    font-family: var(--ff-head);
    letter-spacing: .05em;
}

.sinc-thumb img { width: 100%; height: 100%; object-fit: cover; }

.sinc-body { padding: .9rem 1rem; flex: 1; }

.sinc-vehiculo {
    font-family: var(--ff-head);
    font-size: .88rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: .04em;
}

.sinc-motor { font-size: .75rem; color: var(--accent2); margin-top: .15rem; }
.sinc-sistema { font-size: .72rem; color: var(--muted); margin-top: .3rem; }

.sinc-footer {
    padding: .6rem 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: .72rem;
    color: var(--muted);
}

/* ── BADGES ──────────────────────────── */
.badge {
    display: inline-block;
    padding: .22rem .6rem;
    border-radius: 99px;
    font-size: .7rem;
    font-weight: 600;
    font-family: var(--ff-head);
    letter-spacing: .05em;
}

.badge-good  { background: rgba(0,229,160,.12); color: var(--accent); border: 1px solid rgba(0,229,160,.3); }
.badge-fault { background: rgba(255,77,77,.12);  color: var(--red);    border: 1px solid rgba(255,77,77,.3); }
.badge-ref   { background: rgba(0,184,212,.12);  color: var(--accent2);border: 1px solid rgba(0,184,212,.3); }

/* ── BUTTONS ─────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 1.1rem;
    border-radius: 6px;
    font-family: var(--ff-body);
    font-size: .85rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all .18s ease;
    line-height: 1;
    text-decoration: none !important;
}

.btn-primary {
    background: var(--accent);
    color: #000;
}
.btn-primary:hover { background: #00c48a; box-shadow: var(--glow); }

.btn-ghost {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: rgba(255,255,255,.2); }

.btn-danger {
    background: rgba(255,77,77,.12);
    color: var(--red);
    border: 1px solid rgba(255,77,77,.3);
}
.btn-danger:hover { background: rgba(255,77,77,.25); }

.btn-sm { padding: .35rem .75rem; font-size: .78rem; }

/* ── FORMS ───────────────────────────── */
.form-group { margin-bottom: 1.1rem; }

.form-label {
    display: block;
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--muted);
    margin-bottom: .4rem;
    font-family: var(--ff-head);
}

.form-control {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: .6rem .85rem;
    color: var(--text);
    font-family: var(--ff-body);
    font-size: .88rem;
    outline: none;
    transition: border-color .18s, box-shadow .18s;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,229,160,.15);
}

.form-control::placeholder { color: var(--muted); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

/* ── UPLOAD ZONE ─────────────────────── */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    background: rgba(0,229,160,.02);
}

.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--accent);
    background: rgba(0,229,160,.06);
}

.upload-zone input[type=file] { display: none; }
.upload-icon { font-size: 2.5rem; margin-bottom: .5rem; opacity: .5; }
.upload-label { font-size: .85rem; color: var(--muted); }
.upload-label span { color: var(--accent); cursor: pointer; }

#preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 1rem;
}

.preview-item {
    position: relative;
    width: 100px; height: 80px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.preview-item img { width: 100%; height: 100%; object-fit: cover; }

.preview-remove {
    position: absolute;
    top: 2px; right: 2px;
    background: rgba(255,77,77,.85);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 18px; height: 18px;
    font-size: .7rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}

/* ── DETAIL PAGE ─────────────────────── */
.detail-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.detail-vehiculo {
    font-family: var(--ff-head);
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--text);
    letter-spacing: .06em;
}

.detail-motor {
    font-size: .95rem;
    color: var(--accent2);
    margin-top: .3rem;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 1.2rem;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    cursor: zoom-in;
    transition: border-color .2s, transform .2s;
}

.gallery-item:hover { border-color: var(--accent); transform: scale(1.02); }
.gallery-item img { width: 100%; display: block; }
.gallery-caption { padding: .5rem .75rem; font-size: .75rem; color: var(--muted); background: var(--surface); }

/* ── CANALES TABLE ───────────────────── */
.channels-table { width: 100%; border-collapse: collapse; font-size: .85rem; margin-top: .6rem; }
.channels-table th { text-align: left; padding: .5rem .75rem; color: var(--muted); font-family: var(--ff-head); font-size: .72rem; letter-spacing: .08em; border-bottom: 1px solid var(--border); }
.channels-table td { padding: .5rem .75rem; border-bottom: 1px solid rgba(255,255,255,.04); }

.ch-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: .4rem; }
.ch-1 { background: #4b9be8; }
.ch-2 { background: #e84b9b; }
.ch-3 { background: #4be898; }
.ch-4 { background: #e8e84b; }

/* ── FILTER BAR ──────────────────────── */
.filter-bar {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    align-items: center;
    padding: 1rem 1.3rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.filter-bar select { max-width: 200px; }

/* ── TABLE ───────────────────────────── */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
thead th { padding: .7rem 1rem; text-align: left; font-family: var(--ff-head); font-size: .72rem; letter-spacing: .08em; color: var(--muted); border-bottom: 1px solid var(--border); background: var(--surface); }
tbody tr { border-bottom: 1px solid var(--border); transition: background .15s; }
tbody tr:hover { background: var(--hover); }
tbody td { padding: .75rem 1rem; }

/* ── MODAL ───────────────────────────── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.75); z-index: 200; align-items: center; justify-content: center; backdrop-filter: blur(5px); }
.modal-overlay.open { display: flex; }
.modal { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); width: 100%; max-width: 680px; max-height: 92vh; overflow-y: auto; animation: modal-in .22s ease; }
@keyframes modal-in { from { opacity:0; transform:scale(.94); } to { opacity:1; transform:none; } }
.modal-hd { padding: 1.1rem 1.4rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-family: var(--ff-head); font-size: 1rem; letter-spacing: .06em; color: var(--accent); }
.modal-close { background: none; border: none; color: var(--muted); font-size: 1.4rem; cursor: pointer; }
.modal-close:hover { color: var(--text); }
.modal-bd { padding: 1.4rem; }
.modal-ft { padding: 1rem 1.4rem; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: .6rem; }

/* ── LIGHTBOX ────────────────────────── */
#lightbox { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.92); z-index: 300; align-items: center; justify-content: center; cursor: zoom-out; }
#lightbox.open { display: flex; }
#lightbox img { max-width: 90vw; max-height: 90vh; border-radius: var(--radius); box-shadow: 0 0 40px rgba(0,229,160,.2); }

/* ── LOGIN ───────────────────────────── */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(ellipse at 30% 60%, rgba(0,229,160,.06) 0%, transparent 55%), var(--bg); }
.login-box { width: 100%; max-width: 420px; padding: 1.5rem; }
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo h1 { font-family: var(--ff-head); font-size: 2rem; font-weight: 900; color: var(--accent); letter-spacing: .12em; text-shadow: var(--glow); }
.login-logo p { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .18em; margin-top: .3rem; }
.login-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.8rem; }
.login-card h2 { font-family: var(--ff-head); font-size: 1.1rem; letter-spacing: .06em; margin-bottom: 1.4rem; }
.login-tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 1.4rem; }
.login-tab { flex: 1; text-align: center; padding: .6rem; font-size: .8rem; font-family: var(--ff-head); letter-spacing: .08em; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; transition: all .18s; }
.login-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── UTILS ───────────────────────────── */
.text-muted { color: var(--muted); font-size: .82rem; }
.text-accent { color: var(--accent); }
.text-accent2 { color: var(--accent2); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.gap-1 { gap: .5rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-100 { width: 100%; }

/* ============================================================
   RESPONSIVE — Móvil (PWA)
   ============================================================ */

/* Botón hamburguesa (oculto en desktop) */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--accent);
    font-size: 1.6rem;
    cursor: pointer;
    padding: .2rem .5rem;
}

/* Overlay oscuro detrás del menú en móvil */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.6);
    z-index: 99;
}
.sidebar-overlay.open { display: block; }

@media (max-width: 860px) {
    /* Sidebar se oculta y entra deslizando */
    .sidebar {
        transform: translateX(-100%);
        transition: transform .25s ease;
    }
    .sidebar.open { transform: translateX(0); }

    .main-content { margin-left: 0; }

    /* Mostrar botón hamburguesa */
    .menu-toggle { display: block; }

    .topbar {
        padding: 1rem 1.1rem;
        /* respetar notch del celular */
        padding-top: max(1rem, env(safe-area-inset-top));
    }

    .page-title { font-size: 1.25rem; }
    .page-sub   { font-size: .7rem; }

    .page-body { padding: 1.1rem; }

    /* Formularios en una sola columna */
    .form-grid, .form-grid-3 { grid-template-columns: 1fr; }

    /* Grid de tarjetas a 1 columna */
    .sinc-grid { grid-template-columns: 1fr; }

    /* Filtros apilados */
    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-bar select, .filter-bar input { max-width: 100%; width: 100%; }

    /* Topbar actions más compactas */
    .topbar-actions { gap: .4rem; }
    .topbar-actions .btn { padding: .5rem .8rem; font-size: .8rem; }

    /* Detalle a una columna */
    .page-body > div[style*="grid-template-columns:1fr 320px"],
    .page-body > div[style*="grid-template-columns:1fr 2fr"],
    .page-body > div[style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    /* Tablas con scroll horizontal */
    .tbl-wrap { -webkit-overflow-scrolling: touch; }

    /* Modales más anchos en móvil */
    .modal { max-width: 94vw !important; margin: 0 .5rem; }

    /* Galería de imágenes a 1-2 columnas */
    .image-gallery { grid-template-columns: 1fr; }
}

/* Pantallas muy pequeñas */
@media (max-width: 420px) {
    .page-title { font-size: 1.1rem; }
    .stat-value { font-size: 1.8rem; }
    .btn { font-size: .8rem; }
}

/* Soporte para áreas seguras del iPhone (notch) */
@supports (padding: max(0px)) {
    .sidebar { padding-bottom: env(safe-area-inset-bottom); }
}

/* Dejar espacio al botón hamburguesa en móvil */
@media (max-width: 860px) {
    .topbar { padding-left: 3.5rem; }
}