/* Qard Qardar – main styles */
* { box-sizing: border-box; }
:root {
    --bg: #0f1419;
    --surface: #1a2332;
    --surface2: #243044;
    --border: #2d3a4d;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79b8ff;
    --success: #3fb950;
    --danger: #f85149;
    --radius: 10px;
}
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.login-box {
    width: 100%; max-width: 380px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
}
.login-box h1 { margin: 0 0 0.25rem 0; font-size: 1.5rem; color: var(--text); }
.login-sub { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.9rem; }
.login-form label { display: block; margin-bottom: 0.35rem; font-size: 0.9rem; color: var(--text-muted); }
.login-form input {
    width: 100%; padding: 0.6rem 0.75rem; margin-bottom: 1rem;
    background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
    color: var(--text); font-size: 1rem;
}
.login-form button {
    width: 100%; padding: 0.7rem; margin-top: 0.5rem;
    background: var(--accent); color: #fff; border: none; border-radius: 6px;
    font-size: 1rem; font-weight: 600; cursor: pointer;
}
.login-form button:hover { background: var(--accent-hover); }

/* Layout */
.app-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.app-header h1 { margin: 0; font-size: 1.25rem; font-weight: 600; }
.app-nav { display: flex; align-items: center; gap: 1rem; }
.app-nav a {
    color: var(--text-muted); text-decoration: none; font-size: 0.9rem;
    padding: 0.4rem 0.75rem; border-radius: 6px;
}
.app-nav a:hover { color: var(--accent); background: var(--surface2); }
.app-nav a.active { color: var(--accent); font-weight: 500; }
.lang-switcher { font-size: 0.85rem; }
.lang-switcher a { color: var(--text-muted); text-decoration: none; margin: 0 0.15rem; }
.lang-switcher a:hover { color: var(--accent); }
.user-bar { color: var(--text-muted); font-size: 0.9rem; }
.user-bar a { color: var(--accent); text-decoration: none; margin-left: 0.5rem; }
.login-box .lang-switcher-login { margin-bottom: 1rem; font-size: 0.9rem; }
.login-box .lang-switcher-login a { color: var(--text-muted); text-decoration: none; }
.login-box .lang-switcher-login a:hover { color: var(--accent); }

/* Main content */
.wrap { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
.alert { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.9rem; }
.alert.success { background: rgba(63, 185, 80, 0.15); color: var(--success); border: 1px solid rgba(63, 185, 80, 0.3); }
.alert.error { background: rgba(248, 81, 73, 0.15); color: var(--danger); border: 1px solid rgba(248, 81, 73, 0.3); }

/* Tabs */
.tabs { display: flex; gap: 0.25rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.tabs a {
    padding: 0.6rem 1rem; color: var(--text-muted); text-decoration: none; font-size: 0.95rem;
    border-radius: 6px 6px 0 0; margin-bottom: -1px;
}
.tabs a:hover { color: var(--text); }
.tabs a.active { color: var(--accent); background: var(--surface); border-bottom: 1px solid var(--surface); }

/* Person tabs (pills) */
.person-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.person-pills a, .person-pills span {
    display: inline-block; padding: 0.4rem 0.85rem; border-radius: 999px;
    font-size: 0.85rem; text-decoration: none; border: 1px solid var(--border);
    background: var(--surface); color: var(--text-muted);
}
.person-pills a:hover { color: var(--accent); border-color: var(--accent); }
.person-pills span.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Cards */
.section { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.5rem; }
.section h2 { margin: 0 0 1rem 0; font-size: 1.1rem; color: var(--text); border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; }
.card {
    background: var(--surface2); border: 1px solid var(--border); border-radius: 8px;
    padding: 1rem; margin-bottom: 0.75rem;
}
.card.zero { opacity: 0.9; border-color: rgba(63, 185, 80, 0.4); }
.card h3 { margin: 0 0 0.5rem 0; font-size: 1rem; color: var(--text); }
.card .person { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.row { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 0.35rem; font-size: 0.9rem; }
.row strong { min-width: 90px; color: var(--text-muted); }
.progress { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; margin: 0.5rem 0; max-width: 240px; }
.progress span { display: block; height: 100%; background: var(--accent); border-radius: 3px; }
.payments-list { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.5rem; padding-left: 1.25rem; }
.payments-list li { margin: 0.2rem 0; }
.add-payment { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px dashed var(--border); }
details summary { cursor: pointer; color: var(--accent); font-size: 0.9rem; }

/* Forms */
form.inline { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-end; margin-bottom: 1rem; }
form.inline label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.25rem; }
form.inline input, form.inline select {
    padding: 0.5rem 0.65rem; background: var(--bg); border: 1px solid var(--border);
    border-radius: 6px; color: var(--text); font-size: 0.95rem;
}
form.inline input[type="number"] { width: 100px; }
form.inline input[type="date"] { width: 130px; }
form.inline input[type="text"] { min-width: 120px; }
button, .btn {
    padding: 0.5rem 1rem; border-radius: 6px; font-size: 0.9rem; cursor: pointer; border: none;
    background: var(--accent); color: #fff;
}
button:hover, .btn:hover { background: var(--accent-hover); }
button.secondary { background: var(--surface2); color: var(--text); }
button.secondary:hover { background: var(--border); }
button.danger { background: rgba(248, 81, 73, 0.2); color: var(--danger); }
button.danger:hover { background: rgba(248, 81, 73, 0.35); }
button.small { padding: 0.35rem 0.65rem; font-size: 0.8rem; }

/* Grid */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 768px) { .grid2 { grid-template-columns: 1fr; } }

/* Admin */
.admin-section { max-width: 600px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 500; }
.badge { display: inline-block; padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.75rem; }
.badge.admin { background: rgba(248, 81, 73, 0.2); color: var(--danger); }
.badge.user { background: rgba(63, 185, 80, 0.2); color: var(--success); }

/* Dashboard */
.page-title { margin: 0 0 0.25rem 0; font-size: 1.35rem; }
.page-sub { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.9rem; }
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.dash-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.dash-card-label { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.35rem; }
.dash-card-value { font-size: 1.5rem; font-weight: 700; color: var(--text); }
.dash-card-sub { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.5rem; }
.dash-card.dash-owe .dash-card-value { color: var(--danger); }
.dash-card.dash-paid .dash-card-value { color: var(--success); }
.dash-card.dash-owed .dash-card-value { color: var(--accent); }
.dash-card.dash-received .dash-card-value { color: var(--success); }
.dash-net {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}
.dash-net.positive { border-left: 4px solid var(--success); }
.dash-net.negative { border-left: 4px solid var(--danger); }
.dash-net-label { font-size: 0.9rem; color: var(--text-muted); }
.dash-net-value { font-size: 1.35rem; font-weight: 700; }
.dash-net.positive .dash-net-value { color: var(--success); }
.dash-net.negative .dash-net-value { color: var(--danger); }
.dash-net-desc { font-size: 0.85rem; color: var(--text-muted); width: 100%; margin-top: 0.25rem; }
.dashboard-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.dashboard-actions .btn { text-decoration: none; display: inline-block; }

/* Report */
.report-header { margin-bottom: 1.5rem; }
.report-header h1 { margin: 0 0 0.25rem 0; font-size: 1.5rem; }
.report-meta { color: var(--text-muted); font-size: 0.9rem; }
.report-summary, .report-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}
.report-summary h3, .report-section h3 { margin: 0 0 0.75rem 0; font-size: 1rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; }
.report-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.report-table th, .report-table td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); }
.report-table th { color: var(--text-muted); font-weight: 500; }
.report-table.summary-table td { padding: 0.4rem 0; }
.report-empty { color: var(--text-muted); font-size: 0.9rem; margin: 0; }
.report-wrap .wrap { padding-top: 0.5rem; }

/* RTL (Persian / Farsi) */
[dir="rtl"] body { text-align: right; font-family: 'Segoe UI', Tahoma, 'Arabic Typesetting', sans-serif; }
[dir="rtl"] .app-header { flex-direction: row-reverse; }
[dir="rtl"] .app-nav { flex-direction: row-reverse; }
[dir="rtl"] .report-table th, [dir="rtl"] .report-table td { text-align: right; }
[dir="rtl"] .row strong { margin-left: 0.5rem; margin-right: 0; }
[dir="rtl"] .dashboard-cards { direction: rtl; }
[dir="rtl"] .dash-net { flex-direction: row-reverse; flex-wrap: wrap-reverse; }
[dir="rtl"] .payments-list { padding-right: 1.25rem; padding-left: 0; }
[dir="rtl"] table th, [dir="rtl"] table td { text-align: right; }