:root {
    --ink: #13293d;
    --ink-2: #1d3b57;
    --accent: #0f766e;
    --accent-soft: #e6f4f2;
    --bg: #f4f6f8;
    --line: #e3e8ee;
    --muted: #6b7a89;
    --danger-soft: #fdecec;
    --bs-primary: #0f766e;
    --bs-primary-rgb: 15, 118, 110;
    --bs-link-color: #0f766e;
    --bs-link-color-rgb: 15, 118, 110;
    --bs-link-hover-color: #0b5a54;
    --bs-body-font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --bs-body-font-size: .925rem;
    --bs-body-color: #1f2d3a;
}

body { background: var(--bg); }
.btn-primary { --bs-btn-bg: var(--accent); --bs-btn-border-color: var(--accent); --bs-btn-hover-bg: #0b5f59; --bs-btn-hover-border-color: #0b5f59; --bs-btn-active-bg: #094e49; --bs-btn-disabled-bg: var(--accent); --bs-btn-disabled-border-color: var(--accent); }
.btn-outline-primary { --bs-btn-color: var(--accent); --bs-btn-border-color: var(--accent); --bs-btn-hover-bg: var(--accent); --bs-btn-hover-border-color: var(--accent); --bs-btn-active-bg: var(--accent); }
.form-control:focus, .form-select:focus { border-color: #5fb3ab; box-shadow: 0 0 0 .2rem rgba(15, 118, 110, .15); }
.form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
.page-link { color: var(--accent); }
.active > .page-link { background: var(--accent); border-color: var(--accent); }

/* ---- Yönetim düzeni ---- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
    width: 240px; flex-shrink: 0; background: var(--ink); color: #c9d6e2;
    position: sticky; top: 0; height: 100vh; overflow-y: auto; padding: 1.1rem .75rem;
}
.sidebar .brand { color: #fff; font-weight: 700; font-size: 1.02rem; padding: .25rem .6rem 1rem; display: flex; gap: .55rem; align-items: center; line-height: 1.2; }
.sidebar .brand .mark { width: 32px; height: 32px; border-radius: 9px; background: var(--accent); display: grid; place-items: center; flex-shrink: 0; }
.sidebar .nav-label { font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: #7f95aa; padding: .9rem .6rem .35rem; }
.sidebar a.nav-link { color: #c9d6e2; border-radius: 8px; padding: .45rem .6rem; display: flex; gap: .6rem; align-items: center; font-size: .9rem; }
.sidebar a.nav-link:hover { background: var(--ink-2); color: #fff; }
.sidebar a.nav-link.active { background: rgba(255, 255, 255, .1); color: #fff; box-shadow: inset 3px 0 0 #2dd4bf; }
.sidebar a.nav-link i { font-size: 1rem; opacity: .9; }
.main { flex: 1; min-width: 0; }
.topbar { background: #fff; border-bottom: 1px solid var(--line); padding: .7rem 1.5rem; display: flex; align-items: center; gap: 1rem; position: sticky; top: 0; z-index: 20; }
.topbar h1 { font-size: 1.15rem; margin: 0; font-weight: 650; }
.content { padding: 1.5rem; max-width: 1400px; }
.sidebar-toggle { display: none; }

@media (max-width: 991.98px) {
    .sidebar { position: fixed; left: -260px; z-index: 1040; transition: left .2s; }
    .sidebar.open { left: 0; box-shadow: 0 0 40px rgba(0, 0, 0, .3); }
    .sidebar-toggle { display: inline-flex; }
    .content { padding: 1rem; }
    .topbar { padding: .6rem 1rem; }
}

/* ---- Kartlar ---- */
.card { border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 1px 2px rgba(16, 24, 40, .04); }
.card-header { background: #fff; border-bottom: 1px solid var(--line); font-weight: 600; padding: .8rem 1rem; border-radius: 12px 12px 0 0 !important; display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.stat { padding: 1rem 1.1rem; }
.stat .label { color: var(--muted); font-size: .8rem; margin-bottom: .25rem; display: flex; align-items: center; gap: .35rem; }
.stat .value { font-size: 1.45rem; font-weight: 700; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.stat .sub { color: var(--muted); font-size: .78rem; margin-top: .15rem; }

.table { --bs-table-bg: transparent; margin-bottom: 0; }
.table > :not(caption) > * > * { padding: .55rem .75rem; border-color: var(--line); }
.table thead th { font-size: .74rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; background: #f9fafb; white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.debt { color: #b42318; font-weight: 600; }
.credit { color: #067647; font-weight: 600; }
tr.cancelled td { color: #98a2b3; text-decoration: line-through; }
tr.cancelled td.keep { text-decoration: none; }
.badge-soft { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.badge-debt { background: var(--danger-soft); color: #b42318; font-weight: 600; }
.badge-ok { background: #ecfdf3; color: #067647; font-weight: 600; }
.text-muted-2 { color: var(--muted); }
.empty { text-align: center; color: var(--muted); padding: 2rem 1rem; }
.filters { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: .75rem; margin-bottom: 1rem; }

/* ---- Sakin paneli ---- */
.resident-nav { background: var(--ink); }
.resident-nav .navbar-brand { color: #fff; font-weight: 700; }
.resident-nav .nav-link { color: #c9d6e2; }
.resident-nav .nav-link.active, .resident-nav .nav-link:hover { color: #fff; }
.hero-balance { background: linear-gradient(135deg, var(--ink) 0%, #134e5e 100%); color: #fff; border-radius: 16px; padding: 1.4rem 1.5rem; }
.hero-balance .amount { font-size: 2.2rem; font-weight: 750; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.hero-balance .muted { color: #b8cad8; }

/* ---- Giriş ---- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; background: radial-gradient(circle at 20% 10%, #dff3f0 0, transparent 40%), var(--bg); }
.auth-card { width: 100%; max-width: 410px; }

@media print {
    .sidebar, .topbar, .no-print { display: none !important; }
    body { background: #fff; }
    .content { padding: 0; }
    .card { border: 0; box-shadow: none; }
}