/* app.css — minimal, dependency-free styling (auth pages + app shell) */

:root {
    --brand: #1a73e8;
    --ink: #1f2937;
    --muted: #6b7280;
    --line: #e4e7ec;
    --bg: #f6f7f9;
    --danger: #b91c1c;
    --ok: #15803d;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 15px;
    color: var(--ink);
    background: var(--bg);
}

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

/* ---------- centered auth card ---------- */

body.auth {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 32px;
    box-shadow: 0 8px 28px rgba(31, 41, 55, 0.06);
}

.card h1 {
    margin: 0 0 4px 0;
    font-size: 22px;
    text-align: center;
}

.card p.sub {
    margin: 0 0 20px 0;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
}

.card .after {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
    text-align: center;
    font-size: 14px;
    color: var(--muted);
}

/* ---------- forms ---------- */

label {
    display: block;
    margin-bottom: 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
}

input[type="text"], input[type="email"], input[type="password"], input[type="date"],
input[type="number"], select, textarea {
    display: block;
    width: 100%;
    margin-top: 5px;
    padding: 9px 11px;
    font-size: 15px;
    font-family: inherit;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 6px;
}

input:focus, select:focus, textarea:focus {
    outline: 2px solid rgba(26, 115, 232, 0.35);
    border-color: var(--brand);
}

button, .btn {
    display: inline-block;
    padding: 9px 16px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    background: var(--brand);
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

button:hover, .btn:hover { filter: brightness(0.95); }

button.block { width: 100%; margin-top: 6px; }

.btn-link {
    background: none;
    color: var(--muted);
    padding: 4px 8px;
    font-size: 14px;
    font-weight: 500;
}
.btn-link:hover { color: var(--danger); filter: none; }

/* ---------- alerts ---------- */

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-success { background: #f0fdf4; color: var(--ok); border: 1px solid #bbf7d0; }
.alert-error   { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-info    { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

/* ---------- app shell ---------- */

.topbar {
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.topbar-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.topbar .brand { font-weight: 700; }

.topnav { display: flex; gap: 18px; flex: 1; }
.topnav a { color: var(--muted); font-size: 14px; }
.topnav a:hover { color: var(--brand); text-decoration: none; }

.logout-form { display: inline; }

.content {
    max-width: 1080px;
    margin: 0 auto;
    padding: 28px 20px 60px 20px;
}

.content h1 { font-size: 24px; margin: 0 0 20px 0; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 16px 20px;
}

.stat .k { font-size: 13px; color: var(--muted); }
.stat .v { font-size: 22px; font-weight: 700; margin-top: 4px; }

table.data {
    width: 100%;
    background: #fff;
    border-collapse: collapse;
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

table.data th, table.data td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}

table.data th { background: #fafbfc; color: var(--muted); font-size: 12px; text-transform: uppercase; }

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge.draft   { background: #f3f4f6; color: #6b7280; }
.badge.sent    { background: #eff6ff; color: #1d4ed8; }
.badge.partial { background: #fffbeb; color: #b45309; }
.badge.paid    { background: #f0fdf4; color: #15803d; }
.badge.void    { background: #fef2f2; color: #b91c1c; }
.badge.overdue { background: #fef2f2; color: #b91c1c; }

/* ---------- invoice editor ---------- */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0 18px;
    margin-bottom: 18px;
}

table.item-table {
    width: 100%;
    background: #fff;
    border-collapse: collapse;
    border: 1px solid var(--line);
}

table.item-table th, table.item-table td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}

table.item-table th { background: #fafbfc; color: var(--muted); font-size: 12px; text-transform: uppercase; }

table.item-table input { margin: 0; width: 100%; }

table.item-table td.line-total {
    text-align: right;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.remove-item {
    background: none; border: none; cursor: pointer;
    color: var(--muted); font-size: 15px; padding: 2px 6px;
}
.remove-item:hover { color: var(--danger); }

.subtotal-line {
    text-align: right; margin: 10px 0 22px 0;
    font-size: 13px; color: var(--muted);
}

/* ---------- list filters, pagination, view layout ---------- */

.filter-bar {
    display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end;
    margin-bottom: 18px;
}
.filter-bar label { margin: 0; }
.filter-bar input, .filter-bar select { width: auto; }

.pager { margin-top: 16px; display: flex; gap: 14px; font-size: 14px; }

.view-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 26px; }
@media (max-width: 860px) { .view-grid { grid-template-columns: 1fr; } }

.meta-list { list-style: none; margin: 0 0 18px 0; padding: 0; font-size: 14px; }
.meta-list li { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--line); }
.meta-list li .k { color: var(--muted); }

.actions-card {
    background: #fff; border: 1px solid var(--line); border-radius: 10px;
    padding: 18px;
}
.actions-card h2 { margin: 0 0 14px 0; font-size: 16px; }
.actions-card form { margin-bottom: 10px; }
.totals-box { text-align: right; margin-top: 14px; font-size: 14px; }
.totals-box .grand { font-size: 18px; font-weight: 700; margin-top: 6px; }