/* ============================================================
   MPN Screener — base.css  ·  Design system
   Refined navy. Light theme. Balanced data density.
   ============================================================ */

:root {
    /* Brand navy (refined from the originals) */
    --navy-900: #16233d;   /* deepest — hero/footer base */
    --navy-800: #1b2845;
    --navy-700: #243a5e;   /* nav */
    --navy-600: #2f527a;
    --navy-500: #335c81;   /* card headers / table headers */
    --accent:   #65afff;   /* highlight */
    --accent-soft: rgba(101, 175, 255, 0.14);

    /* Neutrals */
    --ink:      #1b2330;   /* primary text */
    --ink-soft: #55617a;   /* secondary text */
    --muted:    #8a93a6;
    --line:     #e4e9f0;   /* hairline borders */
    --line-soft:#eef2f7;
    --surface:  #ffffff;
    --surface-2:#f6f8fb;   /* app background */

    /* Semantic — gains / losses */
    --gain: #1f9d57;
    --loss: #e0443e;
    --flat: #6b7280;

    /* MPN score bands (refined, still distinct) */
    --mpn-red:        rgba(224, 68, 62, 0.20);
    --mpn-yellow:     rgba(232, 178, 30, 0.26);
    --mpn-green:      rgba(31, 157, 87, 0.22);
    --mpn-dark-green: rgba(21, 122, 71, 0.46);

    /* Elevation */
    --shadow-xs: 0 1px 2px rgba(22, 35, 61, 0.06);
    --shadow-sm: 0 2px 10px rgba(22, 35, 61, 0.07);
    --shadow-md: 0 8px 30px rgba(22, 35, 61, 0.10);
    --shadow-lg: 0 20px 60px rgba(22, 35, 61, 0.16);

    --radius:    12px;
    --radius-sm: 8px;
}

/* ── Cross-platform flag emoji ──────────────────────────────
   Windows Chrome has no flag-emoji glyphs (🇨🇦 shows as "CA").
   This self-hosted Twemoji font is scoped via unicode-range to ONLY the
   regional-indicator codepoints, so flags render everywhere while all other
   text still uses Plus Jakarta Sans. Works for table cells injected later. */
@font-face {
    font-family: 'Twemoji Country Flags';
    unicode-range: U+1F1E6-1F1FF, U+1F3F4, U+E0062-E0063, U+E0065, U+E0067,
                   U+E006C, U+E006E, U+E0073-E0074, U+E0077, U+E007F;
    src: url('../fonts/TwemojiCountryFlags.woff2') format('woff2');
    font-display: swap;
}

/* ── Layout shell ───────────────────────────────────────── */
html, body { height: 100%; }
body {
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: 'Twemoji Country Flags', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont,
                 'Segoe UI', system-ui, sans-serif;
    font-size: 1.18rem;
    line-height: 1.5;
    color: var(--ink);
    background-color: var(--surface-2);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.site-main { flex: 1 0 auto; }

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--ink);
}

a { color: var(--navy-600); }

/* Tabular figures everywhere numbers matter */
.table, .stat, .num, td, th { font-variant-numeric: tabular-nums; }

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
    background: var(--navy-700) !important;
    box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 6px 24px rgba(16,23,40,0.28);
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
/* Keep navbar contents aligned to a centred width on every page (incl. the
   landing page), so the brand/links/login aren't stranded at the screen edges. */
.navbar .container-fluid {
    max-width: min(98vw, 3600px);   /* match the screener content width on every page */
    margin-inline: auto;
    padding-left: 16px;
    padding-right: 16px;
}
.navbar .navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    color: #fff !important;
}
.navbar-logo {
    width: 36px !important; height: 36px !important; margin: 0 !important;
    filter: brightness(0) invert(1);
    opacity: 0.9; flex-shrink: 0;
}
.navbar .nav-link {
    color: rgba(255,255,255,0.74) !important;
    font-weight: 500;
    font-size: 1.05rem;
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.75rem !important;
    transition: color .15s ease, background .15s ease;
}
.navbar .nav-link:hover { color: #fff !important; background: rgba(255,255,255,0.08); }
.navbar .navbar-search {
    background-color: rgba(255,255,255,0.10) !important;
    border-color: rgba(255,255,255,0.16) !important;
    color: #fff !important;
    font-size: 1rem !important;
    padding: 0.45rem 0.7rem !important;
}
.navbar .input-group .btn { font-size: 1rem; padding: 0.45rem 0.8rem; }
.navbar-search::placeholder { color: rgba(255,255,255,0.5); }
.navbar-search:focus {
    background-color: rgba(255,255,255,0.16) !important;
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 0.18rem var(--accent-soft) !important;
    color: #fff !important;
}
.navbar .btn-outline-light { border-color: rgba(255,255,255,0.25); }

/* ── Cards ──────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--line) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-sm) !important;
    overflow: hidden;
}
.card-header {
    background: linear-gradient(180deg, var(--navy-500), var(--navy-600)) !important;
    color: #fff;
    border-bottom: none;
    padding: 0.7rem 1rem;
    display: flex;
    align-items: center;
}
.card-header h5 {
    margin: 0;
    color: #fff;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}
.card-header h1 { color: #fff; font-size: 1.15rem; margin: 0; }

/* ── Tables (balanced density) ──────────────────────────── */
.table { color: var(--ink); margin-bottom: 0; }
.table > :not(caption) > * > * { padding: 0.55rem 0.7rem; }
.table thead th,
.table th {
    background: var(--navy-500);
    color: #fff;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
    border-color: rgba(255,255,255,0.12);
    vertical-align: middle;
}
.table td {
    font-size: 0.875rem;
    border-color: var(--line);
    vertical-align: middle;
}
.table-hover tbody tr:hover { background-color: var(--accent-soft); }

/* ── Buttons ────────────────────────────────────────────── */
.btn { font-weight: 600; border-radius: var(--radius-sm); }
.btn-secondary {
    background: var(--navy-600); border-color: var(--navy-600);
}
.btn-secondary:hover, .btn-secondary:focus {
    background: var(--navy-700); border-color: var(--navy-700);
}

/* ── Semantic gain / loss ───────────────────────────────── */
.gain { color: var(--gain) !important; font-weight: 600; }
.loss { color: var(--loss) !important; font-weight: 600; }

/* ── Footer ─────────────────────────────────────────────── */
footer {
    background: var(--navy-900) !important;
    margin-top: auto !important;
    width: 100%;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* ── Page-load motion (subtle) ──────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
    .site-main > .container,
    .site-main > .custom-container { animation: riseIn .4s ease both; }
    @keyframes riseIn {
        from { opacity: 0; transform: translateY(8px); }
        to   { opacity: 1; transform: translateY(0); }
    }
}