@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --primary: #2f6fed;
  --primary-dark: #1f52c4;
  --text: #1e2532;
  --muted: #6b7280;
  --border: #e5e9f0;
  --success: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Vazirmatn", "Tahoma", sans-serif; direction: rtl;
}
a { color: inherit; text-decoration: none; }

.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; background: #111827; color: #e5e7eb; flex-shrink: 0;
  padding: 20px 14px; position: sticky; top: 0; height: 100vh;
}
.sidebar h1 { font-size: 16px; color: #fff; margin: 0 0 24px; padding: 0 6px; }
.sidebar nav a {
  display: block; padding: 10px 12px; border-radius: 8px; margin-bottom: 4px;
  color: #cbd5e1; font-size: 14px;
}
.sidebar nav a:hover, .sidebar nav a.active { background: #1f2937; color: #fff; }
.main { flex: 1; padding: 24px; min-width: 0; }

.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.topbar h2 { margin: 0; font-size: 20px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card { background: var(--card); border-radius: var(--radius); padding: 18px; border: 1px solid var(--border); }
.card .num { font-size: 26px; font-weight: 700; }
.card .label { color: var(--muted); font-size: 13px; margin-top: 4px; }

.panel { background: var(--card); border-radius: var(--radius); border: 1px solid var(--border); padding: 20px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
table th, table td { padding: 10px 12px; text-align: right; border-bottom: 1px solid var(--border); }
table th { color: var(--muted); font-weight: 600; font-size: 13px; }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; display: inline-block; }
.badge-draft { background: #eef2f7; color: #475569; }
.badge-waiting_client, .badge-waiting_owner { background: #fef3c7; color: #92400e; }
.badge-client_signed { background: #dbeafe; color: #1e40af; }
.badge-finalized { background: #dcfce7; color: #166534; }
.badge-cancelled { background: #fee2e2; color: #991b1b; }

.btn {
  display: inline-block; padding: 9px 18px; border-radius: 8px; border: none;
  background: var(--primary); color: #fff; font-size: 14px; cursor: pointer;
}
.btn:hover { background: var(--primary-dark); }
.btn.secondary { background: #eef2f7; color: var(--text); }
.btn.danger { background: var(--danger); color: #fff; }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--muted); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-family: inherit; font-size: 14px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-success { background: #dcfce7; color: #166534; }

.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { width: 360px; background: #fff; padding: 28px; border-radius: var(--radius); border: 1px solid var(--border); }

/* ===================== Responsive (Mobile) ===================== */
.menu-toggle { display:none; }
.sidebar-backdrop { display:none; }

.login-box { max-width: 92vw; }

@media (max-width: 860px) {
  .layout { display:block; }

  .sidebar {
    position: fixed; top:0; right:0; height:100vh; width:250px; max-width:80vw;
    z-index:100; transform: translateX(100%); transition: transform .25s ease;
    overflow-y:auto;
  }
  .sidebar.open { transform: translateX(0); }

  .menu-toggle {
    display:flex; align-items:center; justify-content:center;
    position:fixed; top:12px; right:12px; z-index:101;
    width:42px; height:42px; border-radius:8px; border:none;
    background:#111827; color:#fff; font-size:20px; cursor:pointer;
    box-shadow:0 2px 8px rgba(0,0,0,.25);
  }
  .sidebar-backdrop.open {
    display:block; position:fixed; inset:0; background:rgba(0,0,0,.45); z-index:99;
  }

  .main { padding: 64px 14px 24px; width:100%; box-sizing:border-box; }

  .topbar { flex-direction: column; align-items:flex-start; gap:10px; }
  .topbar > div { width:100%; display:flex; flex-wrap:wrap; gap:8px; }
  .topbar .btn, .topbar a.btn { flex:1; text-align:center; }

  .grid-2, .grid-3 { grid-template-columns: 1fr; }

  .panel { overflow-x: auto; padding:14px; box-sizing:border-box; }
  table { min-width: 560px; }

  .cards { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap:10px; }
  .card { padding:14px; }
  .card .num { font-size:22px; }
}