/* فایل واحد و متمرکز تم و استایل استودیو معماری آوید */
:root {
    --bg-color: #F8F9FA;
    --surface-color: #FFFFFF;
    --text-primary: #2D3436;
    --text-muted: #95A5A6;
    --accent-color: #C9A24E;
    --sidebar-width: 265px;
    --border-color: #EAEAEA;
    --danger-color: #E74C3C;
    --success-color: #2E7D32;
}
body { background-color: var(--bg-color); color: var(--text-primary); font-family: Tahoma, "IRANSans", sans-serif; margin: 0; display: flex; min-height: 100vh; direction: rtl; }
.sidebar { width: var(--sidebar-width); background-color: var(--surface-color); border-left: 1px solid var(--border-color); padding: 25px 18px; box-sizing: border-box; display: flex; flex-direction: column; position: fixed; right: 0; top: 0; height: 100%; z-index: 100; overflow-y: auto; }
.brand { text-align: center; margin-bottom: 25px; padding-bottom: 15px; border-bottom: 2px solid var(--accent-color); }
.brand img { max-width: 120px; max-height: 80px; object-fit: contain; margin-bottom: 8px; display: block; margin-left: auto; margin-right: auto; }
.brand-title { font-size: 16px; font-weight: bold; color: var(--text-primary); }
.menu-list { list-style: none; padding: 0; margin: 0; flex-grow: 1; }
.menu-item { margin-bottom: 6px; }
.menu-link { display: flex; justify-content: space-between; align-items: center; padding: 11px 14px; color: var(--text-primary); text-decoration: none; border-radius: 8px; transition: all 0.2s ease; font-size: 13.5px; cursor: pointer; }
.menu-link:hover, .menu-link.active { background-color: rgba(201, 162, 78, 0.12); color: var(--accent-color); font-weight: bold; }
.submenu-list { list-style: none; padding: 6px 12px 6px 6px; margin: 4px 0 8px 0; background: #FAFAFA; border-right: 3px solid var(--accent-color); border-radius: 6px 0 0 6px; display: none; }
.submenu-list.open { display: block; }
.submenu-link { display: block; padding: 7px 10px; color: var(--text-primary); text-decoration: none; font-size: 12.5px; border-radius: 5px; transition: 0.2s; }
.submenu-link:hover, .submenu-link.active { color: var(--accent-color); font-weight: bold; background: rgba(201, 162, 78, 0.08); }
.main-content { margin-right: var(--sidebar-width); flex-grow: 1; padding: 35px; box-sizing: border-box; width: calc(100% - var(--sidebar-width)); }
.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.card { background-color: var(--surface-color); border-radius: 12px; padding: 24px; box-shadow: 0 4px 15px rgba(0,0,0,0.02); border: 1px solid var(--border-color); margin-bottom: 25px; }
.form-control { width: 100%; padding: 11px 14px; border: 1px solid #E0E0E0; border-radius: 8px; box-sizing: border-box; font-family: inherit; font-size: 13.5px; background-color: #FAFAFA; margin-bottom: 14px; transition: 0.2s; }
.form-control:focus { outline: none; border-color: var(--accent-color); background-color: #FFF; box-shadow: 0 0 0 3px rgba(201, 162, 78, 0.12); }
label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; font-weight: bold; }
.btn { padding: 9px 18px; border: none; border-radius: 7px; cursor: pointer; font-family: inherit; font-size: 13px; font-weight: bold; text-decoration: none; display: inline-block; transition: 0.2s; }
.btn-primary { background-color: var(--accent-color); color: #FFF; }
.btn-danger { background-color: var(--danger-color); color: #FFF; }
.btn-success { background-color: var(--success-color); color: #FFF; }
.btn-outline { background: transparent; border: 1px solid var(--accent-color); color: var(--accent-color); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th, td { text-align: right; padding: 12px; border-bottom: 1px solid var(--border-color); font-size: 13.5px; }
th { color: var(--text-muted); font-weight: normal; background: #FAFAFA; }
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 13.5px; }
.alert-success { background: #E8F5E9; color: var(--success-color); border: 1px solid #C8E6C9; }
.alert-error { background: #FDEDED; color: var(--danger-color); border: 1px solid #FFCDD2; }
@media (max-width: 768px) {
    body { flex-direction: column; }
    .sidebar { position: relative; width: 100%; height: auto; border-left: none; border-bottom: 2px solid var(--border-color); }
    .main-content { margin-right: 0; width: 100%; padding: 20px; }
}