:root {
    --bg: #0f1220;
    --surface: #171a2b;
    --surface-2: #1f2336;
    --border: #2b3050;
    --text: #e7e9f3;
    --muted: #9aa0c0;
    --primary: #6366f1;
    --primary-hover: #4f51e0;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #38bdf8;
    --radius: 10px;
    --shadow: 0 6px 20px rgba(0, 0, 0, .25);
    font-synthesis: none;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
}

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

.topbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    padding: 0 1.5rem;
    min-height: 60px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar .brand { font-weight: 700; font-size: 1.15rem; color: var(--text); }
.topbar .brand span { color: var(--primary); }
.topbar-collapse { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 1.5rem; flex: 1; }
.topbar nav { display: flex; flex-wrap: wrap; gap: .5rem 1rem; }
.topbar nav a { color: var(--muted); font-weight: 500; padding: .35rem 0; }
.topbar nav a:hover, .topbar nav a.active { color: var(--text); text-decoration: none; }
.topbar-end { display: flex; align-items: center; gap: 1rem; margin-left: auto; }
.topbar .spacer { flex: 1; }
.topbar .user { color: var(--muted); font-size: .85rem; }

/* Hamburger toggle — hidden on desktop, shown on narrow screens */
.nav-burger { display: none; }

.container { max-width: 1600px; margin: 0 auto; padding: 1.75rem 1.5rem 4rem; }

.page-head { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem; }
.page-head h1 { font-size: 1.5rem; margin: 0; }
.page-head .spacer { flex: 1; }
.breadcrumb { color: var(--muted); font-size: .85rem; margin-bottom: .35rem; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
    overflow-x: auto;   /* wide tables scroll inside the card instead of overflowing the page */
}
.card h2 { font-size: 1.05rem; margin: 0 0 1rem; }
.card h2.with-action { display: flex; align-items: center; }
.card h2 .spacer { flex: 1; }

.grid { display: grid; gap: 1.25rem; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 820px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem; }
.stat .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 1.9rem; font-weight: 700; margin-top: .25rem; }
.stat .sub { color: var(--muted); font-size: .8rem; margin-top: .25rem; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .65rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; }

.btn {
    display: inline-flex; align-items: center; gap: .4rem;
    background: var(--surface-2); color: var(--text);
    border: 1px solid var(--border); border-radius: 8px;
    padding: .5rem .85rem; font-size: .88rem; font-weight: 600;
    cursor: pointer; text-decoration: none; transition: .12s;
}
.btn:hover { border-color: var(--primary); text-decoration: none; }
.btn--primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn--danger { color: #fff; background: var(--danger); border-color: var(--danger); }
.btn--warning { color: #111827; background: var(--warning); border-color: var(--warning); }
.btn--ghost { background: transparent; }
.btn--sm { padding: .3rem .55rem; font-size: .8rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: .5rem; }
form.inline { display: inline; }

label { display: block; font-size: .82rem; color: var(--muted); margin: 0 0 .3rem; font-weight: 600; }
input, select, textarea {
    width: 100%; background: var(--bg); color: var(--text);
    border: 1px solid var(--border); border-radius: 8px; padding: .55rem .65rem;
    font-size: .92rem; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
textarea { min-height: 92px; resize: vertical; }
.field { margin-bottom: 1rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }
.help { color: var(--muted); font-size: .78rem; margin-top: .3rem; }

.badge {
    display: inline-block; padding: .15rem .5rem; border-radius: 999px;
    font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
    border: 1px solid var(--border); color: var(--muted);
}
.badge--new { color: var(--info); border-color: var(--info); }
.badge--qualified { color: var(--success); border-color: var(--success); }
.badge--disqualified { color: var(--danger); border-color: var(--danger); }
.badge--customer { color: var(--primary); border-color: var(--primary); }
.badge--draft { color: var(--muted); }
.badge--queued { color: var(--info); border-color: var(--info); }
.badge--sent { color: var(--warning); border-color: var(--warning); }
.badge--opened { color: var(--info); border-color: var(--info); }
.badge--replied { color: var(--success); border-color: var(--success); }
.badge--bounced { color: var(--danger); border-color: var(--danger); }
.badge--mock { color: var(--warning); border-color: var(--warning); }
.badge--ai { color: var(--success); border-color: var(--success); }
.badge--source { color: var(--muted); }
/* enrollment status */
.badge--active { color: var(--info); border-color: var(--info); }
.badge--completed { color: var(--muted); }
.badge--stopped { color: var(--danger); border-color: var(--danger); }
.badge--error { color: var(--danger); border-color: var(--danger); }
.badge--waiting { color: var(--warning); border-color: var(--warning); }
/* channels */
.badge--linkedin { color: #0a66c2; border-color: #0a66c2; }
.badge--email { color: var(--muted); }

/* LinkedIn work-list */
.li-task { transition: box-shadow .15s ease, border-color .15s ease; }
.li-task.is-active { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary); }
kbd {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .72rem;
    background: rgba(127,127,127,.14); border: 1px solid var(--border); border-bottom-width: 2px;
    border-radius: 5px; padding: .05rem .35rem; white-space: nowrap;
}
/* AI reply categories + OOO marker */
.badge--interested { color: var(--success); border-color: var(--success); }
.badge--neutralcat { color: var(--muted); }
.badge--notinterested { color: var(--danger); border-color: var(--danger); }
.badge--later { color: var(--warning); border-color: var(--warning); }
.badge--ooo { color: var(--info); border-color: var(--info); }

.flash { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; border: 1px solid; font-size: .9rem; }
.flash--success { background: rgba(34,197,94,.12); border-color: var(--success); }
.flash--error { background: rgba(239,68,68,.12); border-color: var(--danger); }
.flash--info { background: rgba(56,189,248,.12); border-color: var(--info); }

.muted { color: var(--muted); }
.small { font-size: .82rem; }
.score-bar { height: 8px; background: var(--bg); border-radius: 999px; overflow: hidden; border: 1px solid var(--border); }
.score-bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--warning), var(--success)); }
.empty { color: var(--muted); text-align: center; padding: 2rem 1rem; }
.tag { display: inline-block; background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: .15rem .5rem; font-size: .78rem; margin: 0 .25rem .25rem 0; }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: .35rem 1rem; font-size: .9rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* Sanitised e-mail body, rendered in the app look */
.mail-body { line-height: 1.55; word-break: break-word; overflow-wrap: anywhere; }
.mail-body img { max-width: 100%; height: auto; }
.mail-body a { color: var(--primary); }
.mail-body table { max-width: 100%; border-collapse: collapse; }
.mail-body td, .mail-body th { padding: .2rem .4rem; vertical-align: top; }
.mail-body blockquote { margin: .5rem 0; padding-left: .8rem; border-left: 3px solid var(--border); color: var(--muted); }
.mail-body h1, .mail-body h2, .mail-body h3 { margin: .6rem 0 .3rem; }
.mail-body p { margin: .4rem 0; }
.signal { border: 1px solid var(--border); border-radius: 8px; padding: .75rem; margin-bottom: .75rem; background: var(--surface-2); }
.signal .meta { display: flex; gap: .5rem; align-items: center; margin-bottom: .4rem; }
.signal pre { white-space: pre-wrap; word-break: break-word; margin: 0; font-family: inherit; font-size: .85rem; color: var(--text); }
.message-body { white-space: pre-wrap; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; font-size: .92rem; }

/* list pager */
.pager { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem 1rem; margin-top: 1rem; padding-top: .9rem; border-top: 1px solid var(--border); }
.pager--top { margin-top: 0; margin-bottom: 1rem; padding-top: 0; padding-bottom: .9rem; border-top: none; border-bottom: 1px solid var(--border); }
.pager__info { white-space: nowrap; }
.pager__size { display: flex; align-items: center; gap: .45rem; margin: 0; width: auto; }
.pager__size label { margin: 0; white-space: nowrap; }
.pager__size select { width: auto; padding: .3rem .5rem; font-size: .82rem; }
.pager__nav { display: flex; align-items: center; gap: .6rem; margin-left: auto; }
.pager__nav .btn--ghost[aria-disabled="true"] { opacity: .45; pointer-events: none; }

.login-wrap { max-width: 380px; margin: 8vh auto; }
.login-wrap .brand { text-align: center; font-size: 1.6rem; font-weight: 800; margin-bottom: 1.5rem; }
.login-wrap .brand span { color: var(--primary); }

/* ===========================================================================
   Mobile / tablet — collapse the navigation into a hamburger menu and make
   dense desktop layouts usable on a phone. Desktop styles above are unchanged.
   =========================================================================== */
@media (max-width: 860px) {
    .topbar { flex-wrap: wrap; gap: 0; padding: 0 1rem; min-height: 56px; }
    .topbar .brand { flex: 1; }

    /* Burger button (built from three bars) */
    .nav-burger {
        display: flex; flex-direction: column; justify-content: center; gap: 5px;
        width: 44px; height: 44px; margin: 0 -.5rem 0 0; padding: 0 .6rem;
        cursor: pointer; -webkit-tap-highlight-color: transparent;
    }
    .nav-burger span { display: block; height: 2px; width: 22px; background: var(--text); border-radius: 2px; transition: .2s; }
    .nav-toggle:checked ~ .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle:checked ~ .nav-burger span:nth-child(2) { opacity: 0; }
    .nav-toggle:checked ~ .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* Collapsible area: full width, hidden until the toggle is checked */
    .topbar-collapse { flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 0; display: none; }
    .nav-toggle:checked ~ .topbar-collapse { display: flex; }

    .topbar nav { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
    .topbar nav a { padding: .8rem .25rem; border-top: 1px solid var(--border); }
    .topbar-end { margin: 0; padding: .8rem .25rem; border-top: 1px solid var(--border); justify-content: space-between; }

    .container { padding: 1.25rem 1rem 3rem; }
    .page-head h1 { font-size: 1.3rem; }
    /* Page-head action buttons drop onto their own full-width row */
    .page-head .spacer { flex-basis: 100%; height: 0; }

    .card { padding: 1rem; }
    .stat .value { font-size: 1.6rem; }
    th, td { padding: .55rem .5rem; }
    .kv { grid-template-columns: 1fr; gap: .1rem .5rem; }
    .kv dt { margin-top: .5rem; }
}

/* Prevent iOS Safari from auto-zooming when focusing a sub-16px input */
@media (max-width: 640px) {
    input, select, textarea { font-size: 16px; }
    .btn { padding: .55rem .85rem; }   /* a touch larger for finger taps */
    .pager__nav { margin-left: 0; width: 100%; justify-content: space-between; }
}