/* ==========================================================================
   EpiScope — surveillance console
   Palette encodes the alert scale itself: every accent in the product is a
   level on that scale, so colour always means the same thing.
   ========================================================================== */

:root {
    --ink:        #0A1020;
    --ink-2:      #0F1A2E;
    --ink-3:      #15233C;
    --ink-4:      #1B2C49;
    --line:       #23334F;
    --line-soft:  #1A2740;

    --txt:        #E9EFFA;
    --txt-2:      #97A9C8;
    --txt-3:      #647698;

    --ok:         #4BC08A;
    --watch:      #3FB6C8;
    --elev:       #F2C14E;
    --high:       #F2793B;
    --crit:       #E0384E;
    --violet:     #7C6BF2;

    --brand:      #3FB6C8;
    --brand-dim:  rgba(63,182,200,.14);

    --r-sm: 6px;
    --r:    10px;
    --r-lg: 16px;

    --shadow: 0 18px 44px -22px rgba(0,0,0,.85);
    --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --disp: 'Space Grotesk', var(--sans);
    --mono: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    background:
        radial-gradient(1100px 620px at 78% -12%, rgba(63,182,200,.10), transparent 60%),
        radial-gradient(900px 520px at 6% 4%, rgba(124,107,242,.09), transparent 62%),
        var(--ink);
    color: var(--txt);
    font-family: var(--sans);
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 { font-family: var(--disp); font-weight: 600; letter-spacing: -.015em; margin: 0; }

::selection { background: rgba(63,182,200,.3); }

:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ------------------------------------------------------------------ shell */
.shell { display: flex; min-height: 100vh; }

.rail {
    width: 244px;
    flex: 0 0 244px;
    background: linear-gradient(180deg, #0C1424, #0A1020);
    border-right: 1px solid var(--line-soft);
    padding: 20px 14px 28px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.brand { display: flex; gap: 11px; align-items: center; padding: 0 8px 18px; }

.brand-mark {
    width: 34px; height: 34px; border-radius: 9px;
    background: linear-gradient(150deg, var(--watch), var(--violet));
    display: grid; place-items: center;
    font-family: var(--disp); font-weight: 700; font-size: 16px; color: #06111C;
    box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 8px 20px -10px var(--watch);
}

.brand-name { font-family: var(--disp); font-size: 17px; font-weight: 600; letter-spacing: -.02em; }
.brand-sub  { font-size: 10.5px; color: var(--txt-3); letter-spacing: .13em; text-transform: uppercase; font-family: var(--mono); }

.nav-group { margin-top: 18px; }
.nav-title {
    font-family: var(--mono); font-size: 10px; letter-spacing: .16em;
    text-transform: uppercase; color: var(--txt-3); padding: 0 10px 8px;
}

.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 11px; border-radius: var(--r-sm);
    color: var(--txt-2); font-size: 13.5px; font-weight: 500;
    text-decoration: none; margin-bottom: 2px;
    border-left: 2px solid transparent;
    transition: background .15s, color .15s;
}
.nav-item:hover { background: rgba(255,255,255,.04); color: var(--txt); text-decoration: none; }
.nav-item.on { background: var(--brand-dim); color: #CFF3F9; border-left-color: var(--brand); }
.nav-item .ico { width: 16px; text-align: center; opacity: .85; }
.nav-item .tag {
    margin-left: auto; font-family: var(--mono); font-size: 10px;
    background: var(--crit); color: #fff; padding: 1px 6px; border-radius: 20px;
}

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

.topbar {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 24px;
    border-bottom: 1px solid var(--line-soft);
    background: rgba(10,16,32,.82);
    backdrop-filter: blur(10px);
    position: sticky; top: 0; z-index: 40;
}
.topbar h1 { font-size: 19px; }
.topbar .sub { font-size: 12px; color: var(--txt-3); }
.topbar .spacer { flex: 1; }

.burger {
    display: none; background: none; border: 1px solid var(--line);
    color: var(--txt); border-radius: var(--r-sm); padding: 6px 10px; cursor: pointer;
}

.who { display: flex; align-items: center; gap: 9px; font-size: 12.5px; color: var(--txt-2); }
.who .avatar {
    width: 30px; height: 30px; border-radius: 50%;
    background: var(--ink-4); border: 1px solid var(--line);
    display: grid; place-items: center; font-family: var(--disp); font-size: 12px; color: var(--txt);
}

.page { padding: 22px 24px 60px; flex: 1; }

/* ------------------------------------------------------------------ cards */
.card {
    background: linear-gradient(180deg, var(--ink-2), #0D1728);
    border: 1px solid var(--line-soft);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
}
.card-h {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 18px; border-bottom: 1px solid var(--line-soft);
}
.card-h h3 { font-size: 14.5px; }
.card-h .hint { font-size: 11.5px; color: var(--txt-3); font-family: var(--mono); }
.card-h .spacer { flex: 1; }
.card-b { padding: 16px 18px; }
.card-b.flush { padding: 0; }

.grid { display: grid; gap: 16px; }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-2-1 { grid-template-columns: 2fr 1fr; }
.g-1-2 { grid-template-columns: 1fr 2fr; }

/* -------------------------------------------------------------- stat tile */
.stat {
    position: relative; overflow: hidden;
    padding: 16px 18px 14px;
    background: linear-gradient(180deg, var(--ink-2), #0D1728);
    border: 1px solid var(--line-soft);
    border-radius: var(--r-lg);
}
.stat::after {
    content: ''; position: absolute; inset: auto 0 0 0; height: 2px;
    background: var(--accent, var(--brand)); opacity: .8;
}
.stat .k {
    font-family: var(--mono); font-size: 10px; letter-spacing: .14em;
    text-transform: uppercase; color: var(--txt-3);
}
.stat .v {
    font-family: var(--disp); font-size: 30px; font-weight: 600;
    line-height: 1.1; margin: 6px 0 2px; letter-spacing: -.03em;
    font-variant-numeric: tabular-nums;
}
.stat .d { font-size: 11.5px; color: var(--txt-2); }
.stat .d b { color: var(--accent, var(--brand)); font-weight: 600; }

/* ------------------------------------------- SIGNATURE: the signal ribbon */
.ribbon { display: flex; align-items: flex-end; gap: 2px; height: 46px; }
.ribbon .tick {
    flex: 1 1 auto; min-width: 2px; border-radius: 2px 2px 0 0;
    background: var(--tick, var(--ink-4));
    transition: filter .15s;
}
.ribbon .tick:hover { filter: brightness(1.5); }
.ribbon-mini { height: 22px; gap: 1.5px; }
.ribbon-axis {
    display: flex; justify-content: space-between;
    font-family: var(--mono); font-size: 10px; color: var(--txt-3); margin-top: 6px;
}

/* ------------------------------------------------------------------ chips */
.chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 3px 9px; border-radius: 20px;
    font-size: 11.5px; font-weight: 500;
    background: rgba(255,255,255,.05); border: 1px solid var(--line);
    color: var(--txt-2); white-space: nowrap;
}
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.lvl {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--mono); font-size: 10.5px; letter-spacing: .09em;
    text-transform: uppercase; font-weight: 500;
    padding: 3px 9px; border-radius: 5px;
    border: 1px solid currentColor;
}
.lvl.info     { color: var(--ok); }
.lvl.watch    { color: var(--watch); }
.lvl.elevated { color: var(--elev); }
.lvl.high     { color: var(--high); }
.lvl.critical { color: var(--crit); background: rgba(224,56,78,.12); }

/* ---------------------------------------------------------------- buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 8px 15px; border-radius: var(--r-sm);
    background: var(--ink-3); border: 1px solid var(--line);
    color: var(--txt); font-family: var(--sans); font-size: 13px; font-weight: 500;
    cursor: pointer; text-decoration: none; transition: background .15s, border-color .15s;
}
.btn:hover { background: var(--ink-4); text-decoration: none; }
.btn:disabled, .btn.is-busy { opacity: .55; cursor: not-allowed; }
.btn-pri {
    background: linear-gradient(180deg, #48C6D8, #2E9FB1);
    border-color: #56D3E5; color: #04141A; font-weight: 600;
}
.btn-pri:hover { background: linear-gradient(180deg, #5AD2E3, #35AFC2); }
.btn-danger { border-color: rgba(224,56,78,.5); color: #FF8497; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-ghost { background: transparent; }

/* ------------------------------------------------------------------ forms */
label.fl {
    display: block; font-family: var(--mono); font-size: 10px;
    letter-spacing: .13em; text-transform: uppercase; color: var(--txt-3); margin-bottom: 6px;
}
.inp, select.inp, textarea.inp {
    width: 100%; padding: 9px 11px; border-radius: var(--r-sm);
    background: #0A1424; border: 1px solid var(--line); color: var(--txt);
    font-family: var(--sans); font-size: 13.5px;
}
.inp:focus { border-color: var(--brand); outline: none; box-shadow: 0 0 0 3px var(--brand-dim); }
select.inp { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--txt-3) 50%), linear-gradient(135deg, var(--txt-3) 50%, transparent 50%); background-position: calc(100% - 15px) 50%, calc(100% - 10px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 30px; }
.field { margin-bottom: 14px; }
.frow { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.frow > * { flex: 1 1 160px; }
.frow > .shrink { flex: 0 0 auto; }

/* ----------------------------------------------------------------- tables */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
    text-align: left; font-family: var(--mono); font-size: 10px;
    letter-spacing: .12em; text-transform: uppercase; color: var(--txt-3);
    padding: 10px 14px; border-bottom: 1px solid var(--line-soft); white-space: nowrap;
}
.tbl td { padding: 11px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.tbl tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover { background: rgba(255,255,255,.025); }
.tbl .num { font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: right; }
.tbl-wrap { overflow-x: auto; }

/* ----------------------------------------------------------- news article */
.artl { display: flex; gap: 14px; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); }
.artl:last-child { border-bottom: none; }
.artl .bar { width: 3px; border-radius: 3px; flex: 0 0 3px; background: var(--txt-3); }
.artl .body { min-width: 0; flex: 1; }
.artl .t { font-family: var(--disp); font-size: 14.5px; font-weight: 500; line-height: 1.35; color: var(--txt); }
.artl .t a { color: inherit; }
.artl .s { font-size: 12.5px; color: var(--txt-2); margin-top: 5px; }
.artl .m { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; align-items: center; }
.artl .src { font-family: var(--mono); font-size: 10.5px; color: var(--txt-3); }

/* -------------------------------------------------------------------- map */
#map { height: 620px; width: 100%; border-radius: 0 0 var(--r-lg) var(--r-lg); background: #0A1424; }
.map-legend {
    position: absolute; right: 14px; bottom: 14px; z-index: 500;
    background: rgba(10,20,36,.92); border: 1px solid var(--line);
    border-radius: var(--r); padding: 11px 13px; font-size: 11.5px;
    backdrop-filter: blur(6px);
}
.map-legend .row { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }
.map-legend .sw { width: 11px; height: 11px; border-radius: 50%; }
.map-wrap { position: relative; }

.leaflet-container { background: #0A1424 !important; font-family: var(--sans) !important; }
.leaflet-popup-content-wrapper {
    background: #0F1A2E; color: var(--txt); border: 1px solid var(--line);
    border-radius: var(--r); box-shadow: var(--shadow);
}
.leaflet-popup-tip { background: #0F1A2E; border: 1px solid var(--line); }
.leaflet-popup-content { margin: 0; width: 320px !important; }
.leaflet-popup-close-button { color: var(--txt-3) !important; }
.leaflet-control-attribution {
    background: rgba(10,16,32,.75) !important; color: var(--txt-3) !important; font-size: 10px !important;
}
.leaflet-control-attribution a { color: var(--txt-2) !important; }
.leaflet-bar a { background: #0F1A2E !important; color: var(--txt) !important; border-color: var(--line) !important; }

.pop { padding: 14px 15px; }
.pop h4 { font-size: 15px; margin-bottom: 2px; }
.pop .meta { font-family: var(--mono); font-size: 10.5px; color: var(--txt-3); letter-spacing: .08em; text-transform: uppercase; }
.pop .digest { font-size: 12.5px; color: var(--txt-2); margin: 10px 0; border-left: 2px solid var(--brand); padding-left: 10px; }
.pop ul { list-style: none; margin: 8px 0 0; padding: 0; max-height: 210px; overflow-y: auto; }
.pop li { padding: 7px 0; border-top: 1px solid var(--line-soft); font-size: 12.5px; line-height: 1.4; }
.pop li a { color: var(--txt); }
.pop li .src { font-family: var(--mono); font-size: 10px; color: var(--txt-3); }
.pop .pop-stats { display: flex; gap: 12px; margin: 8px 0 2px; }
.pop .pop-stats div { font-family: var(--mono); font-size: 11px; color: var(--txt-2); }
.pop .pop-stats b { display: block; font-family: var(--disp); font-size: 17px; color: var(--txt); }

/* --------------------------------------------------------------- pulsing */
@keyframes pulseRing {
    0%   { transform: scale(.55); opacity: .85; }
    75%  { transform: scale(2.1); opacity: 0; }
    100% { transform: scale(2.1); opacity: 0; }
}
.pulse-dot { position: relative; }
.pulse-dot::before {
    content: ''; position: absolute; inset: 0; border-radius: 50%;
    background: currentColor; animation: pulseRing 2.4s ease-out infinite;
}

/* -------------------------------------------------------------- progress */
.prog { height: 6px; border-radius: 6px; background: var(--ink-4); overflow: hidden; }
.prog > i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--watch), var(--violet)); transition: width .3s; }

.console {
    font-family: var(--mono); font-size: 12px; line-height: 1.65;
    background: #070D19; border: 1px solid var(--line-soft); border-radius: var(--r);
    padding: 12px 14px; max-height: 340px; overflow-y: auto; color: var(--txt-2);
}
.console .ok { color: var(--ok); }
.console .warn { color: var(--elev); }
.console .err { color: var(--crit); }
.console .dim { color: var(--txt-3); }

/* ------------------------------------------------------------------ misc */
.empty { text-align: center; padding: 46px 20px; color: var(--txt-3); }
.empty .big { font-family: var(--disp); font-size: 16px; color: var(--txt-2); margin-bottom: 6px; }

.flash { padding: 11px 15px; border-radius: var(--r); margin-bottom: 16px; font-size: 13px; border: 1px solid; }
.flash.ok  { border-color: rgba(75,192,138,.45); background: rgba(75,192,138,.1); color: #A7E8C8; }
.flash.err { border-color: rgba(224,56,78,.45); background: rgba(224,56,78,.1); color: #FFA6B3; }

.bar-track { height: 6px; background: var(--ink-4); border-radius: 4px; overflow: hidden; }
.bar-track > i { display: block; height: 100%; background: var(--brand); }

.kv { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--line-soft); font-size: 13px; }
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--txt-3); }
.kv .v { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.mono { font-family: var(--mono); }
.muted { color: var(--txt-3); }
.tiny { font-size: 11.5px; }
.right { text-align: right; }
.mt { margin-top: 16px; }
.mb { margin-bottom: 16px; }
.nowrap { white-space: nowrap; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: var(--r-sm); overflow: hidden; }
.seg a {
    padding: 6px 12px; font-size: 12.5px; color: var(--txt-2);
    border-right: 1px solid var(--line); text-decoration: none;
}
.seg a:last-child { border-right: none; }
.seg a.on { background: var(--brand-dim); color: #CFF3F9; }
.seg a:hover { text-decoration: none; background: rgba(255,255,255,.04); }

/* ------------------------------------------------------------------ login */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth {
    width: 100%; max-width: 400px; padding: 30px;
    background: linear-gradient(180deg, var(--ink-2), #0C1626);
    border: 1px solid var(--line-soft); border-radius: 20px; box-shadow: var(--shadow);
}
.auth .brand { justify-content: center; padding-bottom: 22px; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 1200px) {
    .g-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 980px) {
    .rail {
        position: fixed; left: 0; top: 0; z-index: 60;
        transform: translateX(-100%); transition: transform .25s ease;
        box-shadow: 0 0 60px rgba(0,0,0,.6);
    }
    .rail.open { transform: none; }
    .burger { display: inline-flex; }
    .g-3, .g-2, .g-2-1, .g-1-2 { grid-template-columns: 1fr; }
    .page { padding: 16px 14px 60px; }
    .topbar { padding: 12px 14px; }
    #map { height: 460px; }
    .scrim { position: fixed; inset: 0; background: rgba(4,8,16,.6); z-index: 55; }
}
@media (max-width: 620px) {
    .g-4 { grid-template-columns: 1fr 1fr; }
    .stat .v { font-size: 24px; }
    .topbar h1 { font-size: 16px; }
    .leaflet-popup-content { width: 250px !important; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}