:root {
    --bg: #0f172a;
    --card: #1e293b;
    --muted: #94a3b8;
    --text: #f8fafc;
    --accent: #38bdf8;
    --accent-2: #22c55e;
    --danger: #ef4444;
    --warn: #eab308;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    direction: rtl;
    text-align: right;
}

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

.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-topbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 0.75rem 1rem;
    background: #020617;
    border-bottom: 1px solid #334155;
    position: sticky;
    top: 0;
    z-index: 50;
}

.app-brand {
    font-weight: 700;
    letter-spacing: 0.02em;
}

.app-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
    margin-right: auto;
}

.app-nav a, .app-nav button {
    padding: 0.55rem 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text);
    font-size: 0.95rem;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.app-nav a:hover, .app-nav button:hover {
    background: #1e293b;
}

.app-main {
    flex: 1;
    padding: 1rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.card {
    background: var(--card);
    border: 1px solid #334155;
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

.card h1, .card h2, .card h3 {
    margin-top: 0;
}

.grid {
    display: grid;
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.stat {
    padding: 0.85rem;
    border-radius: 0.65rem;
    background: #0b1224;
    border: 1px solid #334155;
}

.stat .label { color: var(--muted); font-size: 0.85rem; }
.stat .value { font-size: 1.35rem; font-weight: 700; margin-top: 0.25rem; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table.data {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

table.data th, table.data td {
    border-bottom: 1px solid #334155;
    padding: 0.65rem 0.45rem;
    vertical-align: middle;
}

table.data th { color: var(--muted); font-weight: 600; text-align: right; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 44px;
    padding: 0 1rem;
    border-radius: 0.55rem;
    border: 1px solid #334155;
    background: #0ea5e9;
    color: #0b1224;
    font-weight: 600;
    cursor: pointer;
}

.btn.secondary { background: #334155; color: var(--text); }
.btn.danger { background: #b91c1c; color: #fff; border-color: #7f1d1d; }
.btn.ghost { background: transparent; color: var(--text); }

input, select, textarea {
    width: 100%;
    min-height: 44px;
    border-radius: 0.5rem;
    border: 1px solid #334155;
    background: #0b1224;
    color: var(--text);
    padding: 0.45rem 0.6rem;
    font-size: 1rem;
}

label { display: block; margin: 0.35rem 0 0.2rem; color: var(--muted); font-size: 0.9rem; }

.row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-end; }
.row > * { flex: 1 1 200px; }

.badge-status-progress { background: rgba(234, 179, 8, 0.15); color: #fde047; padding: 0.2rem 0.45rem; border-radius: 0.35rem; }
.badge-status-done { background: rgba(34, 197, 94, 0.15); color: #86efac; padding: 0.2rem 0.45rem; border-radius: 0.35rem; }
.badge-status-cancel { background: rgba(239, 68, 68, 0.15); color: #fecaca; padding: 0.2rem 0.45rem; border-radius: 0.35rem; }
.badge-status-neutral { background: rgba(148, 163, 184, 0.15); color: #e2e8f0; padding: 0.2rem 0.45rem; border-radius: 0.35rem; }

.badge-inst-paid { background: rgba(34, 197, 94, 0.15); color: #86efac; padding: 0.2rem 0.45rem; border-radius: 0.35rem; }
.badge-inst-overdue { background: rgba(239, 68, 68, 0.15); color: #fecaca; padding: 0.2rem 0.45rem; border-radius: 0.35rem; }
.badge-inst-soon { background: rgba(234, 179, 8, 0.15); color: #fde047; padding: 0.2rem 0.45rem; border-radius: 0.35rem; }
.badge-inst-pending { background: rgba(148, 163, 184, 0.15); color: #e2e8f0; padding: 0.2rem 0.45rem; border-radius: 0.35rem; }

.badge-kind-sales { background: rgba(34, 197, 94, 0.15); color: #86efac; padding: 0.2rem 0.45rem; border-radius: 0.35rem; font-weight: 600; }
.badge-kind-purchase { background: rgba(56, 189, 248, 0.15); color: #7dd3fc; padding: 0.2rem 0.45rem; border-radius: 0.35rem; font-weight: 600; }

.alert {
    border-radius: 0.65rem;
    padding: 0.75rem 0.85rem;
    border: 1px solid #334155;
    background: #0b1224;
}

.alert.warn { border-color: rgba(234, 179, 8, 0.45); }
.alert.danger { border-color: rgba(239, 68, 68, 0.45); }

.impersonate {
    background: #422006;
    border: 1px solid #f59e0b;
    color: #ffedd5;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    margin: 0.5rem 1rem;
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.pagination { display: flex; gap: 0.35rem; flex-wrap: wrap; list-style: none; padding: 0; margin: 0.75rem 0 0; }
.pagination li { display: inline-block; }
.pagination a, .pagination span {
    display: inline-flex;
    min-height: 40px;
    min-width: 40px;
    align-items: center;
    justify-content: center;
    padding: 0 0.5rem;
    border-radius: 0.45rem;
    border: 1px solid #334155;
    color: var(--text);
    background: #0b1224;
}

.modal-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 80;
    display: flex; align-items: flex-end; justify-content: center;
    padding: 1rem;
}
.modal {
    width: min(640px, 100%);
    background: var(--card);
    border: 1px solid #334155;
    border-radius: 0.75rem;
    padding: 1rem;
    max-height: 90vh;
    overflow: auto;
}