/* ============================================================
   torch. — Design System (Iterative SAS brand)
   Palette: Tinta / Papel / Violeta / Coral + neutrals.
   Type: Jost (wordmark/labels) · Inter (headings) · DM Sans (body) · Space Mono (data)
   Rules: paper canvas (ink only for punctual panels), no gradients,
   radii ≤12px (pills 999), subtle shadows, hover = opacity/bg-lighten.
   ============================================================ */

:root {
    /* Core */
    --tk-ink: #0A0A0A;
    --tk-paper: #F8F7F5;

    /* Neutrals */
    --tk-n100: #EEEDEB; --tk-n200: #DDDCDA; --tk-n300: #C2C1BF;
    --tk-n400: #9A9997; --tk-n500: #737270; --tk-n600: #545352;
    --tk-n700: #3A3938; --tk-n800: #252524;

    /* Brand */
    --tk-violet: #7272DE;         /* accent / Torch / interactive */
    --tk-violet-strong: #5B5BC9;
    --tk-violet-soft: #ECECFB;
    --tk-coral: #EF6B7A;          /* live-data / alerts — secondary, punctual */
    --tk-coral-soft: #FDECEE;

    /* Surfaces / text (light = Papel canvas) */
    --tk-bg: var(--tk-paper);
    --tk-surface: #FFFFFF;
    --tk-surface-2: #FAFAF9;
    --tk-surface-3: var(--tk-n100);
    --tk-border: var(--tk-n200);
    --tk-border-strong: var(--tk-n300);
    --tk-text: var(--tk-ink);
    --tk-text-muted: var(--tk-n600);
    --tk-text-subtle: var(--tk-n400);

    /* Semantic (palette-only) */
    --tk-accent: var(--tk-violet);
    --tk-accent-soft: var(--tk-violet-soft);
    --tk-success: var(--tk-violet);        --tk-success-soft: var(--tk-violet-soft);
    --tk-warning: var(--tk-coral);         --tk-warning-soft: var(--tk-coral-soft);
    --tk-danger:  var(--tk-coral);         --tk-danger-soft:  var(--tk-coral-soft);
    --tk-info:    var(--tk-violet);
    --tk-live:    var(--tk-coral);

    /* Elevation (subtle only) */
    --tk-shadow-sm: 0 1px 2px rgba(10,10,10,.05);
    --tk-shadow:    0 4px 12px rgba(10,10,10,.08);
    --tk-shadow-lg: 0 8px 32px rgba(10,10,10,.10);

    /* Radius — never >12px on rectangles */
    --tk-r-sm: 4px; --tk-r: 8px; --tk-r-lg: 12px; --tk-r-pill: 999px;

    /* Spacing (4/8) */
    --tk-s1: 4px; --tk-s2: 8px; --tk-s3: 12px; --tk-s4: 16px;
    --tk-s5: 24px; --tk-s6: 32px; --tk-s7: 48px;

    --tk-sidebar-w: 256px;
    --tk-topbar-h: 60px;

    /* Type */
    --tk-font:      'DM Sans', system-ui, -apple-system, sans-serif;
    --tk-font-head: 'Inter', system-ui, sans-serif;
    --tk-font-word: 'Jost', system-ui, sans-serif;
    --tk-font-mono: 'Space Mono', ui-monospace, 'Courier New', monospace;
}

/* Dark theme — ink canvas (allowed as an alternate) */
:root[data-theme="dark"] {
    --tk-bg: var(--tk-ink);
    --tk-surface: #151514;
    --tk-surface-2: #1C1C1B;
    --tk-surface-3: var(--tk-n800);
    --tk-border: var(--tk-n700);
    --tk-border-strong: var(--tk-n600);
    --tk-text: var(--tk-paper);
    --tk-text-muted: var(--tk-n300);
    --tk-text-subtle: var(--tk-n400);
    --tk-accent: #9B9BEA;
    --tk-accent-soft: #21213A;
    --tk-success: #9B9BEA; --tk-success-soft: #21213A;
    --tk-violet-soft: #21213A;
    --tk-coral-soft: #38222A;
    --tk-shadow-sm: 0 1px 2px rgba(0,0,0,.5);
    --tk-shadow: 0 4px 12px rgba(0,0,0,.5);
    --tk-shadow-lg: 0 12px 40px rgba(0,0,0,.6);
}
/* Nota: NO auto-activamos oscuro por preferencia del sistema. La marca exige Papel como
   canvas por defecto ("no negro como canvas por defecto"); el modo oscuro es opt-in via toggle. */

/* ---------- Base ---------- */
body.tk {
    background: var(--tk-bg);
    color: var(--tk-text);
    font-family: var(--tk-font);
    font-size: 15px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
.tk .text-muted, .tk small.text-muted { color: var(--tk-text-muted) !important; }
.tk h1,.tk h2,.tk h3,.tk h4,.tk h5,.tk h6 { font-family: var(--tk-font-head); color: var(--tk-text); letter-spacing: -.02em; font-weight: 800; }
/* App.razor's <FocusOnNavigate Selector="h1" /> moves programmatic focus to the page's <h1>
   after every route change (screen readers announce the new page). The framework sets
   tabindex="-1" on it, so it's never reachable via Tab — but browsers still draw their
   default focus ring on it, which on a bold heading reads as "selected text". Safe to
   suppress: this ring only ever appears here from that automatic, non-keyboard focus. */
.tk h1:focus { outline: none; }
/* Data / specs / numbers → Space Mono */
.tk .tabular, .tk .mono { font-family: var(--tk-font-mono); font-weight: 400; letter-spacing: -.01em; }
/* Small uppercase labels → Jost, wide tracking */
.tk .label { font-family: var(--tk-font-word); text-transform: uppercase; letter-spacing: .14em; font-weight: 700; }

/* Focus ring (accessibility — never removed) */
.tk a:focus-visible, .tk button:focus-visible, .tk .tk-navitem:focus-visible, .tk [role="button"]:focus-visible,
.tk .form-control:focus-visible, .tk .form-select:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--tk-violet) 50%, transparent);
    outline-offset: 2px;
}

/* ============================================================
   App shell — Papel canvas, ink brand block, violet accent
   ============================================================ */
.app-shell { display: grid; grid-template-columns: var(--tk-sidebar-w) 1fr;
    grid-template-rows: 100dvh; min-height: 100dvh; height: 100dvh; background: var(--tk-bg); }
/* Both modules share the brand accent (violet) — same app, same logo */
.app-shell.module-rtls, .app-shell.module-fleet { --tk-accent: var(--tk-violet); }

/* ---------- Sidebar ---------- */
.app-sidebar { grid-row: 1/2; display: flex; flex-direction: column;
    background: var(--tk-surface); border-right: 1px solid var(--tk-border); overflow-y: auto; z-index: 1200; }

/* Ink brand block (white torch. logo on ink = approved combo). Persistent across modules. */
.sidebar-brand { display: flex; align-items: center; gap: 10px; background: var(--tk-ink);
    padding: 18px 20px; }
.sidebar-brand img { height: 26px; width: auto; display: block; }
.sidebar-inner { padding: var(--tk-s4) var(--tk-s3); display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; }

.sidebar-module { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start;
    margin: 2px 2px 18px; padding: 6px 12px; border-radius: var(--tk-r-pill);
    background: var(--tk-violet-soft); color: var(--tk-violet-strong);
    font-family: var(--tk-font-word); font-weight: 700; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
:root[data-theme="dark"] .sidebar-module { color: var(--tk-accent); }

.nav-section-label { font-family: var(--tk-font-word); font-size: .64rem; font-weight: 700; letter-spacing: .16em;
    text-transform: uppercase; color: var(--tk-text-subtle); padding: 10px 12px 6px; }
.tk-navitem { display: flex; align-items: center; gap: 12px; padding: 10px 12px; margin-bottom: 2px;
    border-radius: var(--tk-r); color: var(--tk-text-muted); text-decoration: none; font-weight: 500; font-size: .92rem;
    min-height: 44px; transition: background .2s ease, color .2s ease; }
.tk-navitem i { font-size: 1.15rem; width: 22px; text-align: center; }
.tk-navitem:hover { background: var(--tk-surface-3); color: var(--tk-text); }
.tk-navitem.active { background: var(--tk-violet); color: #fff; }
.tk-navitem.active i { color: #fff; }
.sidebar-spacer { flex: 1 1 auto; }
.sidebar-footer { border-top: 1px solid var(--tk-border); padding-top: 10px; }
.sidebar-back { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--tk-r);
    color: var(--tk-text-muted); text-decoration: none; font-weight: 500; font-size: .88rem; min-height: 44px; transition: background .2s; }
.sidebar-back:hover { background: var(--tk-surface-3); color: var(--tk-text); }

/* ---------- Content column ---------- */
.app-content { grid-row: 1/2; display: flex; flex-direction: column; min-width: 0; height: 100dvh; }
.app-topbar { height: var(--tk-topbar-h); flex: none; display: flex; align-items: center; gap: 12px;
    padding: 0 var(--tk-s5); background: var(--tk-surface); border-bottom: 1px solid var(--tk-border);
    position: sticky; top: 0; z-index: 1000; }
.topbar-title { font-family: var(--tk-font-head); font-weight: 800; font-size: 1rem; letter-spacing: -.02em; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.app-main { flex: 1 1 auto; overflow-y: auto; min-height: 0; }
.app-main-pad { padding: var(--tk-s6); max-width: 1400px; margin: 0 auto; width: 100%; }

.hamburger { display: none; background: none; border: 0; color: var(--tk-text); font-size: 1.4rem;
    width: 44px; height: 44px; border-radius: var(--tk-r); }
.hamburger:hover { background: var(--tk-surface-3); }
.sidebar-scrim { display: none; }

.tk-iconbtn { width: 40px; height: 40px; border-radius: var(--tk-r); border: 1px solid var(--tk-border);
    background: var(--tk-surface); color: var(--tk-text-muted); display: grid; place-items: center; font-size: 1.05rem; transition: opacity .2s, background .2s; }
.tk-iconbtn:hover { background: var(--tk-surface-3); color: var(--tk-text); }

.tk-status { display: inline-flex; align-items: center; gap: 7px; padding: 5px 12px; border-radius: var(--tk-r-pill);
    font-family: var(--tk-font-word); font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
    background: var(--tk-surface-3); color: var(--tk-text-muted); }
.tk-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--tk-text-subtle); }
.tk-status.live { background: var(--tk-coral-soft); color: var(--tk-coral); }
.tk-status.live .dot { background: var(--tk-coral); animation: tk-pulse 2s ease-in-out infinite; }
.tk-status.offline .dot { background: var(--tk-text-subtle); }
@keyframes tk-pulse { 0%,100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--tk-coral) 45%, transparent); } 50% { box-shadow: 0 0 0 5px transparent; } }

/* ============================================================
   Components
   ============================================================ */
.tk-page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
    flex-wrap: wrap; margin-bottom: var(--tk-s6); }
.tk-page-head h1 { font-size: 2rem; font-weight: 900; margin: 0; letter-spacing: -.03em; }
.tk-page-head .sub { color: var(--tk-text-muted); font-size: .95rem; margin-top: 2px; }

.tk-card { background: var(--tk-surface); border: 1px solid var(--tk-border); border-radius: var(--tk-r-lg); box-shadow: var(--tk-shadow-sm); }
.tk-card-pad { padding: var(--tk-s5); }

/* Stat card — mono value, Jost label */
.tk-stat { display: flex; align-items: center; gap: 14px; background: var(--tk-surface); border: 1px solid var(--tk-border);
    border-radius: var(--tk-r-lg); padding: 16px 18px; box-shadow: var(--tk-shadow-sm); height: 100%; }
.tk-stat .ic { width: 42px; height: 42px; border-radius: var(--tk-r); display: grid; place-items: center; font-size: 1.2rem; flex: none; }
.tk-stat .val { font-family: var(--tk-font-mono); font-size: 1.55rem; font-weight: 700; line-height: 1.05; letter-spacing: -.03em; }
.tk-stat .lbl { font-family: var(--tk-font-word); font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--tk-text-muted); margin-top: 3px; }
.ic-accent, .ic-info, .ic-success { background: var(--tk-violet-soft); color: var(--tk-violet-strong); }
.ic-warning, .ic-danger, .ic-live { background: var(--tk-coral-soft); color: var(--tk-coral); }
.ic-ink { background: var(--tk-surface-3); color: var(--tk-text); }
:root[data-theme="dark"] .ic-accent, :root[data-theme="dark"] .ic-info, :root[data-theme="dark"] .ic-success { color: var(--tk-accent); }

/* Buttons — violet primary; hover = opacity (never color change) */
.tk .btn { border-radius: var(--tk-r); font-family: var(--tk-font); font-weight: 600; min-height: 40px;
    display: inline-flex; align-items: center; gap: 6px; transition: opacity .2s ease, background .2s ease; }
.tk .btn-primary { background: var(--tk-violet); border-color: var(--tk-violet); color: #fff; }
.tk .btn-primary:hover, .tk .btn-primary:focus { background: var(--tk-violet); border-color: var(--tk-violet); color: #fff; opacity: .88; }
.tk .btn-outline-primary { color: var(--tk-violet-strong); border-color: var(--tk-border-strong); background: transparent; }
.tk .btn-outline-primary:hover { background: var(--tk-violet-soft); border-color: var(--tk-violet); color: var(--tk-violet-strong); opacity: 1; }
.tk .btn-outline-secondary { color: var(--tk-text-muted); border-color: var(--tk-border-strong); background: var(--tk-surface); }
.tk .btn-outline-secondary:hover { background: var(--tk-surface-3); color: var(--tk-text); border-color: var(--tk-border-strong); }
.tk .btn-link { color: var(--tk-violet-strong); text-decoration: none; }
.tk .btn-link:hover { opacity: .8; }

/* Forms */
.tk .form-control, .tk .form-select { background: var(--tk-surface); border: 1px solid var(--tk-border-strong);
    color: var(--tk-text); border-radius: var(--tk-r); min-height: 42px; font-family: var(--tk-font); }
.tk .form-control::placeholder { color: var(--tk-text-subtle); }
.tk .form-control:focus, .tk .form-select:focus { border-color: var(--tk-violet);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tk-violet) 18%, transparent); }
.tk .form-label { font-family: var(--tk-font-word); font-weight: 700; font-size: .7rem; text-transform: uppercase;
    letter-spacing: .1em; color: var(--tk-text-muted); margin-bottom: 5px; }

/* Tables — Jost header labels, mono data cells via .tabular */
.tk-table { width: 100%; background: var(--tk-surface); border: 1px solid var(--tk-border); border-radius: var(--tk-r-lg); overflow: hidden; }
.tk-table table { width: 100%; margin: 0; border-collapse: collapse; }
.tk-table thead th { background: var(--tk-surface-2); color: var(--tk-text-muted); font-family: var(--tk-font-word);
    font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; padding: 12px 16px; text-align: left;
    border-bottom: 1px solid var(--tk-border); white-space: nowrap; }
.tk-table tbody td { padding: 13px 16px; border-bottom: 1px solid var(--tk-border); color: var(--tk-text); vertical-align: middle; font-size: .92rem; }
.tk-table tbody tr:last-child td { border-bottom: 0; }
.tk-table tbody tr:hover { background: var(--tk-surface-2); }

/* Badges — Jost, pill */
.tk-badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: var(--tk-r-pill);
    font-family: var(--tk-font-word); font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.tk-badge.b-success { background: var(--tk-violet-soft); color: var(--tk-violet-strong); }
.tk-badge.b-muted   { background: var(--tk-surface-3); color: var(--tk-text-muted); }
.tk-badge.b-warning { background: var(--tk-coral-soft); color: var(--tk-coral); }
.tk-badge.b-accent  { background: var(--tk-violet-soft); color: var(--tk-violet-strong); }
:root[data-theme="dark"] .tk-badge.b-success, :root[data-theme="dark"] .tk-badge.b-accent { color: var(--tk-accent); }

/* Empty state */
.tk-empty { text-align: center; padding: 56px 24px; color: var(--tk-text-muted);
    background: var(--tk-surface); border: 1px dashed var(--tk-border-strong); border-radius: var(--tk-r-lg); }
.tk-empty i { font-size: 2.2rem; color: var(--tk-text-subtle); display: block; margin-bottom: 10px; }

/* Bars (dashboard) — solid violet, mono values */
.tk-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.tk-bar-row .k { width: 96px; font-family: var(--tk-font-mono); font-size: .76rem; color: var(--tk-text-muted); text-align: right; }
.tk-bar-track { flex: 1; height: 12px; background: var(--tk-surface-3); border-radius: var(--tk-r-pill); overflow: hidden; }
.tk-bar-fill { height: 100%; background: var(--tk-violet); border-radius: var(--tk-r-pill); }
.tk-bar-row .v { width: 62px; font-family: var(--tk-font-mono); font-size: .78rem; font-weight: 700; text-align: right; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 991.98px) {
    .app-shell { grid-template-columns: 1fr; }
    .app-sidebar { position: fixed; top: 0; left: 0; bottom: 0; width: 84vw; max-width: 320px;
        transform: translateX(-100%); transition: transform .25s ease; box-shadow: var(--tk-shadow-lg); }
    .app-shell.nav-open .app-sidebar { transform: translateX(0); }
    .app-shell.nav-open .sidebar-scrim { display: block; position: fixed; inset: 0; z-index: 1100; background: rgba(10,10,10,.5); }
    .hamburger { display: grid; place-items: center; }
    .app-main-pad { padding: var(--tk-s4); }
}
@media (min-width: 992px) { .hamburger { display: none; } }
@media (prefers-reduced-motion: reduce) {
    .app-sidebar, .tk-navitem, .btn, .tk-card, .tk-bar-fill, .module-card, .tk-status.live .dot { transition: none !important; animation: none !important; }
}

/* ============================================================
   Launcher (module hub) — brand statement
   ============================================================ */
.launcher { min-height: 100dvh; background: var(--tk-bg); position: relative; overflow: hidden;
    display: flex; flex-direction: column; }
/* single-tone violet vignette, very low opacity (allowed ambiance) — full-bleed, no box seam */
.launcher::before { content: ""; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(55% 45% at 88% 12%, color-mix(in srgb, var(--tk-violet) 9%, transparent), transparent 62%); }
.launcher-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 16px 32px; background: var(--tk-ink); position: relative; z-index: 1; }
.launcher-bar .lb-torch { height: 30px; width: auto; display: block; }
.lb-by { display: inline-flex; align-items: center; gap: 12px; }
.lb-by-label { font-family: var(--tk-font-word); color: var(--tk-n500); font-size: .58rem;
    text-transform: uppercase; letter-spacing: .16em; white-space: nowrap; }
.lb-iterative { height: 22px; width: auto; display: block; }
.launcher-body { flex: 1 1 auto; display: flex; flex-direction: column; justify-content: center;
    max-width: 1080px; width: 100%; margin: 0 auto; padding: var(--tk-s7) var(--tk-s5); position: relative; z-index: 1; }
.launcher-hero { margin-bottom: var(--tk-s7); max-width: 720px; }
.launcher-hero .eyebrow { font-family: var(--tk-font-word); text-transform: uppercase; letter-spacing: .16em;
    font-weight: 700; font-size: .72rem; color: var(--tk-violet-strong); margin-bottom: 14px; }
.launcher-hero h1 { font-family: var(--tk-font-head); font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 900;
    letter-spacing: -.04em; line-height: 1.05; margin: 0 0 14px; }
.launcher-hero p { color: var(--tk-text-muted); font-size: 1.1rem; margin: 0; max-width: 560px; }

.module-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--tk-s5); }
.module-card { text-align: left; background: var(--tk-surface); border: 1px solid var(--tk-border);
    border-radius: var(--tk-r-lg); padding: var(--tk-s6); box-shadow: var(--tk-shadow-sm); cursor: pointer;
    transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease; display: flex; flex-direction: column;
    position: relative; overflow: hidden; }
.module-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--tk-violet); }
.module-card:hover { transform: translateY(-3px); box-shadow: var(--tk-shadow); border-color: var(--tk-violet); }
.module-card .num { position: absolute; top: 14px; right: 20px; font-family: var(--tk-font-word); font-weight: 800;
    font-size: 2.4rem; color: var(--tk-surface-3); line-height: 1; }
.mc-icon { width: 52px; height: 52px; border-radius: var(--tk-r); display: grid; place-items: center; font-size: 1.6rem;
    background: var(--tk-violet-soft); color: var(--tk-violet-strong); margin-bottom: 18px; }
.module-card h2 { font-family: var(--tk-font-head); font-size: 1.5rem; font-weight: 800; margin: 0 0 6px; letter-spacing: -.02em; }
.module-card > p { color: var(--tk-text-muted); font-size: .95rem; margin: 0 0 12px; }
.mc-spec { font-family: var(--tk-font-mono); font-size: .78rem; color: var(--tk-text-muted); margin-bottom: 18px;
    padding-bottom: 16px; border-bottom: 1px solid var(--tk-border); }
.mc-stats { display: flex; gap: 24px; margin-bottom: 18px; }
.mc-stats > div { display: flex; flex-direction: column; }
.mc-stats .s-val { font-family: var(--tk-font-mono); font-size: 1.4rem; font-weight: 700; line-height: 1; letter-spacing: -.02em; }
.mc-stats .s-lbl { font-family: var(--tk-font-word); font-size: .62rem; color: var(--tk-text-muted); text-transform: uppercase; letter-spacing: .1em; margin-top: 4px; }
.mc-cta { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--tk-violet-strong); }
.mc-cta i { transition: transform .2s ease; }
.module-card:hover .mc-cta i { transform: translateX(4px); }
.launcher-foot { display: flex; align-items: center; gap: 14px; padding: 18px 32px;
    color: var(--tk-text-subtle); font-family: var(--tk-font-word); font-size: .64rem;
    text-transform: uppercase; letter-spacing: .14em; position: relative; z-index: 1;
    border-top: 1px solid var(--tk-border); }
.launcher-foot img { height: 22px; width: auto; display: block; opacity: .85; }
:root[data-theme="dark"] .launcher-foot img { filter: invert(1) brightness(1.4); }

@media (max-width: 767.98px) {
    .module-grid { grid-template-columns: 1fr; }
    .launcher-bar { padding: 16px 20px; }
    .launcher-body { padding: var(--tk-s6) var(--tk-s4); }
    .lb-by-label { display: none; }
    .lb-iterative { height: 20px; }
    .launcher-foot { flex-wrap: wrap; gap: 8px 14px; }
}

/* Bootstrap's .modal-dialog sets pointer-events:none and only restores it on
   .modal-content — our modals render a .tk-card instead of .modal-content, so
   every click inside (inputs, buttons) fell through to the backdrop and closed
   the modal before @onclick:stopPropagation ever ran. */
.modal-dialog > .tk-card { pointer-events: auto; }