/*
 * Pulse Portal — house stylesheet.
 * Three themes selected by [data-theme] on <html>:
 *   light  — warm off-white ground, near-black type
 *   dark   — near-black ground, warm off-white type (default)
 *   vt100  — DEC VT100 amber terminal emulation
 *
 * Palette values follow the corporate site's tokens; the severity colours are
 * Peter's editorial scheme (Critical purple, High red, Medium orange, Low yellow).
 */

:root,
[data-theme="dark"] {
    --bg:            #0b0b0e;
    --bg-elev:       #14141a;
    --bg-elev-2:     #1c1c24;
    --ink:           #f4efe6;
    --ink-dim:       #b6b0a3;
    --ink-mute:      #8a8577;
    --rule:          rgba(244,239,230,0.14);
    --rule-strong:   rgba(244,239,230,0.28);
    --accent:        #d68a3c;      /* warm amber accent */
    --accent-fg:     #101014;
    --link:          #ffcf88;
    --link-hover:    #ffe0a8;
    --danger:        #e05555;
    --success:       #66b48a;
    --focus:         #ffcf88;
    --grain-opacity: 0.05;

    --sev-critical-bg: #6a1b9a;
    --sev-critical-fg: #ffffff;
    --sev-high-bg:     #c62828;
    --sev-high-fg:     #ffffff;
    --sev-medium-bg:   #ef8f2b;
    --sev-medium-fg:   #101014;
    --sev-low-bg:      #f2c744;
    --sev-low-fg:      #101014;
    --sev-info-bg:     #4a4a58;
    --sev-info-fg:     #ffffff;

    --font-sans: "Geist", "Geist Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Monaco, "Cascadia Mono", Consolas, monospace;

    color-scheme: dark;
}

[data-theme="light"] {
    --bg:            #f4efe6;
    --bg-elev:       #ffffff;
    --bg-elev-2:     #eae4d7;
    --ink:           #0f0f13;
    --ink-dim:       #4a4a58;
    --ink-mute:      #6b6b78;
    --rule:          rgba(15,15,19,0.12);
    --rule-strong:   rgba(15,15,19,0.28);
    --accent:        #8a4a15;
    --accent-fg:     #ffffff;
    --link:          #8a4a15;
    --link-hover:    #b96a2b;
    --danger:        #b41f1f;
    --success:       #2e6b46;
    --focus:         #8a4a15;
    --grain-opacity: 0.03;

    --sev-info-bg:     #d8d3c6;
    --sev-info-fg:     #0f0f13;

    color-scheme: light;
}

[data-theme="vt100"] {
    --bg:            #0a0603;
    --bg-elev:       #120a04;
    --bg-elev-2:     #180d05;
    --ink:           #ffb000;
    --ink-dim:       #cc8c00;
    --ink-mute:      #886000;
    --rule:          rgba(255,176,0,0.30);
    --rule-strong:   rgba(255,176,0,0.55);
    --accent:        #ffb000;
    --accent-fg:     #0a0603;
    --link:          #ffcf40;
    --link-hover:    #ffe088;
    --danger:        #ff4040;
    --success:       #40ff88;
    --focus:         #ffcf40;
    --grain-opacity: 0;

    --sev-critical-bg: #ffb000;
    --sev-critical-fg: #0a0603;
    --sev-high-bg:     #ffb000;
    --sev-high-fg:     #0a0603;
    --sev-medium-bg:   transparent;
    --sev-medium-fg:   #ffb000;
    --sev-low-bg:      transparent;
    --sev-low-fg:      #ffb000;
    --sev-info-bg:     transparent;
    --sev-info-fg:     #ffb000;

    --font-sans: "VT323", "IBM Plex Mono", "Cascadia Mono", ui-monospace, monospace;
    --font-mono: "VT323", "IBM Plex Mono", "Cascadia Mono", ui-monospace, monospace;

    color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    margin: 0;
    min-height: 100%;
}

[data-theme="vt100"] body {
    font-size: 18px;
    letter-spacing: 0.02em;
    text-shadow: 0 0 1px currentColor, 0 0 6px rgba(255,176,0,0.35);
}

[data-theme="vt100"]::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0,
        transparent 2px,
        rgba(0,0,0,0.28) 2px,
        rgba(0,0,0,0.28) 3px
    );
    mix-blend-mode: multiply;
    z-index: 9999;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

h1, h2, h3, h4, h5, h6 { color: var(--ink); font-weight: 500; letter-spacing: -0.01em; margin: 0 0 0.5rem; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

.text-mute { color: var(--ink-mute); }
.text-dim { color: var(--ink-dim); }
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.72rem;
    color: var(--ink-mute);
    font-family: var(--font-mono);
}
.mono { font-family: var(--font-mono); }

/* Site header */
.site-header {
    border-bottom: 1px solid var(--rule);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 10;
}
.site-header .wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.brand {
    font-family: var(--font-mono);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--ink);
    font-size: 1rem;
}
.brand .dot {
    display: inline-block;
    width: 0.55rem;
    height: 0.55rem;
    background: var(--accent);
    border-radius: 50%;
    margin-right: 0.5rem;
    vertical-align: middle;
    animation: pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
}
.site-header nav {
    display: flex;
    gap: 1.25rem;
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}
.site-header nav a { color: var(--ink-dim); }
.site-header nav a.active,
.site-header nav a:hover { color: var(--ink); text-decoration: none; }
.site-header .actions { display: flex; align-items: center; gap: 0.75rem; }

.theme-switch {
    display: inline-flex;
    border: 1px solid var(--rule-strong);
    border-radius: 999px;
    padding: 2px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
}
.theme-switch button {
    background: transparent;
    color: var(--ink-dim);
    border: 0;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    cursor: pointer;
    font: inherit;
}
.theme-switch button.active {
    background: var(--ink);
    color: var(--bg);
}
[data-theme="vt100"] .theme-switch button.active {
    background: var(--accent);
    color: var(--accent-fg);
}

/* Layout */
.container-wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 3rem;
}

.section-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 1.25rem;
}
.section-title h1, .section-title h2 { margin: 0; }
.section-title .aside { color: var(--ink-mute); font-family: var(--font-mono); font-size: 0.8rem; }

/* Cards & tiles */
.card {
    background: var(--bg-elev);
    border: 1px solid var(--rule);
    border-radius: 10px;
    padding: 1.25rem;
    color: var(--ink);
}
.card + .card { margin-top: 1rem; }
.card h2, .card h3 { margin-top: 0; }

.tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.tile {
    background: var(--bg-elev);
    border: 1px solid var(--rule);
    border-radius: 10px;
    padding: 1.1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    min-height: 132px;
}
.tile .tile-label {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--ink-mute);
}
.tile .tile-figure { font-size: 2rem; font-weight: 500; letter-spacing: -0.02em; }
.tile .tile-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-dim);
    margin-top: 0.35rem;
}
.tile .tile-breakdown b { color: var(--ink); font-weight: 500; }

/* Buttons */
.btn, button.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--rule-strong);
    padding: 0.5rem 0.95rem;
    border-radius: 6px;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.btn:hover { background: var(--bg-elev-2); text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn-primary:hover { color: var(--accent-fg); background: color-mix(in oklch, var(--accent), white 10%); }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.85rem; }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* Forms */
form label { display: block; font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-mute); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.35rem; }
form .field { margin-bottom: 1rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="date"],
input[type="search"], input[type="url"], input[type="tel"], select, textarea {
    background: var(--bg);
    color: var(--ink);
    border: 1px solid var(--rule-strong);
    border-radius: 6px;
    padding: 0.55rem 0.75rem;
    width: 100%;
    font-family: inherit;
    font-size: inherit;
}
textarea { min-height: 6.5rem; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--focus); outline-offset: 1px; border-color: var(--focus); }
.form-help { font-size: 0.8rem; color: var(--ink-mute); margin-top: 0.35rem; }

/* Tables */
table.pulse {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
table.pulse th, table.pulse td {
    text-align: left;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--rule);
    vertical-align: top;
}
table.pulse thead th {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-mute);
    border-bottom-color: var(--rule-strong);
}
table.pulse tbody tr:hover { background: var(--bg-elev); }
table.pulse .num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--font-mono); }

/* Severity chips (Peter's editorial palette) */
.badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.18rem 0.55rem;
    border-radius: 3px;
    line-height: 1.3;
    border: 1px solid transparent;
}
.sev-critical { background: var(--sev-critical-bg); color: var(--sev-critical-fg); }
.sev-high     { background: var(--sev-high-bg);     color: var(--sev-high-fg); }
.sev-medium   { background: var(--sev-medium-bg);   color: var(--sev-medium-fg); }
.sev-low      { background: var(--sev-low-bg);      color: var(--sev-low-fg); }
.sev-info     { background: var(--sev-info-bg);     color: var(--sev-info-fg); }

[data-theme="vt100"] .badge {
    background: transparent !important;
    color: var(--ink) !important;
    border-color: var(--ink);
}

/* Status pills */
.pill {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.14rem 0.5rem;
    border: 1px solid var(--rule-strong);
    border-radius: 999px;
    color: var(--ink-dim);
}
.pill-open { border-color: var(--danger); color: var(--danger); }
.pill-fixed { border-color: var(--success); color: var(--success); }
.pill-accepted { border-color: var(--ink-mute); color: var(--ink-mute); }
.pill-false-positive { border-color: var(--accent); color: var(--accent); }

/* Alerts / flashes */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    border: 1px solid var(--rule-strong);
    background: var(--bg-elev);
    color: var(--ink);
}
.alert-error   { border-color: var(--danger);  color: var(--ink); }
.alert-notice  { border-color: var(--success); color: var(--ink); }

/* Auth page centre-piece */
.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}
.auth-card {
    background: var(--bg-elev);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 2rem 2.25rem;
    width: min(100%, 26rem);
}
.auth-card h1 { margin: 0 0 0.75rem; }
.auth-card .lede { color: var(--ink-mute); margin-bottom: 1.5rem; }
.auth-card .footnote { color: var(--ink-mute); font-size: 0.85rem; margin-top: 1.5rem; }

/* SOC layout */
.split-nav {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 1.5rem;
}
@media (max-width: 900px) {
    .split-nav { grid-template-columns: 1fr; }
}
.split-nav aside {
    border-right: 1px solid var(--rule);
    padding-right: 1rem;
}
.split-nav aside a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--ink-dim);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border-radius: 4px;
}
.split-nav aside a.active,
.split-nav aside a:hover { color: var(--ink); background: var(--bg-elev); text-decoration: none; }

/* Chart canvas — trend chart on reports uses a plain <svg>. */
.chart {
    display: block;
    width: 100%;
    height: auto;
    color: var(--ink);
}

/* Print styles for the vulnerability report */
@media print {
    html, body { background: white !important; color: black !important; }
    .site-header, .no-print { display: none !important; }
    .card, .tile { border-color: #999 !important; }
    a { color: black; text-decoration: none; }
    table.pulse tbody tr { break-inside: avoid; }
}

/* Utility */
.stack > * + * { margin-top: 1rem; }
.row-inline { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.right { text-align: right; }
.hide-md { }
@media (max-width: 700px) { .hide-sm { display: none; } }