:root {
    --brand: #0b7a51;
    --brand-dark: #085e3f;
    --brand-soft: #e6f4ee;
    --ink: #1f2933;
    --muted: #6b7280;
    --border: #e5e7eb;
    --danger: #b91c1c;
    --warning: #b45309;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: "Segoe UI", Tahoma, Arial, sans-serif; color: var(--ink); background: #f4f6f8; font-size: 14px; line-height: 1.5; }

/* Auth */
.guest-body { display: flex; min-height: 100vh; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--brand), #0d8f6f); }
.auth-shell { width: 100%; max-width: 420px; padding: 16px; }
.auth-card { background: #fff; border-radius: 10px; padding: 28px; box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.auth-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.auth-logo { height: 44px; width: auto; border-radius: 8px; object-fit: contain; box-shadow: 0 2px 8px rgba(6,50,35,.12); }
.brand-logo { background: var(--brand); color: #fff; font-weight: 700; border-radius: 8px; padding: 6px 9px; font-size: 15px; }
.brand-name { font-weight: 700; font-size: 18px; color: var(--brand); }
.auth-links { text-align: center; margin-top: 14px; }
.auth-links a { color: var(--brand); text-decoration: none; }

/* App shell */
.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: #0f2b22; color: #e7f2ee; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 18px 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
.sidebar-brand .sidebar-logo { height: 38px; width: auto; background: #fff; border-radius: 6px; padding: 3px 5px; object-fit: contain; box-shadow: 0 2px 8px rgba(0,0,0,.25); }
.sidebar-brand .brand-logo { background: var(--brand); }
.sidebar-brand .brand-name { color: #fff; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 10px 0; }
.nav-group-title { display: block; padding: 12px 16px 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: #8fb3a6; }
.nav-link { display: flex; align-items: center; gap: 8px; padding: 9px 16px; color: #cfe3dc; text-decoration: none; }
.nav-link:hover { background: rgba(255,255,255,.07); color: #fff; }
.sidebar-footer { border-top: 1px solid rgba(255,255,255,.1); padding: 10px 0; }
.sidebar-footer .nav-link { font-size: 13px; }

.main-content { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; background: #fff; border-bottom: 1px solid var(--border); padding: 12px 24px; }
.page-title { font-size: 18px; margin: 0; }
.topbar-actions { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.text-muted { color: #6b7a86; }
.user-role { background: var(--brand-soft); color: var(--brand-dark); padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.page-content { padding: 24px; }

/* Panels & stat cards */
.panel { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 18px; margin-bottom: 20px; }
.panel-title { font-weight: 700; font-size: 15px; margin-bottom: 12px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 18px; }
.stat-label { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { display: block; font-size: 26px; font-weight: 700; margin-top: 6px; color: var(--brand); }

/* Alerts */
.alert { border-radius: 6px; padding: 10px 14px; margin-bottom: 14px; }
.alert p { margin: 0; }
.alert-error { background: #fdecea; border: 1px solid #f5c6c2; color: var(--danger); }
.alert-success { background: #e6f4ee; border: 1px solid #bfe3d4; color: var(--brand-dark); }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 600; font-size: 13px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(11,122,81,.12); }
.btn { display: inline-block; background: var(--brand); color: #fff; border: none; border-radius: 6px; padding: 10px 16px; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--brand-dark); }
.btn-secondary { background: #fff; color: var(--ink); border: 1px solid var(--border); }
.btn-secondary:hover { background: #f4f6f8; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #991b1b; }
.btn-block { width: 100%; }

/* Tables */
.table { width: 100%; border-collapse: collapse; background: #fff; }
.table th, .table td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
.table th { background: var(--brand-soft); color: var(--brand-dark); font-weight: 600; }
.table tr:nth-child(even) td { background: #fafbfc; }

.text-right { text-align: right; }
.mt { margin-top: 14px; }
.mb { margin-bottom: 14px; }

/* Toolbars & filters */
.toolbar { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters input, .filters select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; }
.inline-export { display: flex; gap: 8px; align-items: center; }
.inline-export select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; }
.delete-link { color: var(--danger); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

/* Badges */
.badge { display: inline-block; background: var(--brand-soft); color: var(--brand-dark); border-radius: 999px; padding: 2px 9px; font-size: 12px; font-weight: 600; }
.badge-muted { background: #eef0f2; color: var(--muted); }

/* Buttons small */
.btn-sm { padding: 5px 10px; font-size: 13px; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 16px; }
.tab { padding: 9px 14px; text-decoration: none; color: var(--muted); font-weight: 600; border-bottom: 3px solid transparent; margin-bottom: -2px; }
.tab:hover { color: var(--brand-dark); }
.tab.active { color: var(--brand); border-bottom-color: var(--brand); }

/* Permission groups */
.perm-group { margin-bottom: 10px; border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; background: #fafbfc; }
.perm-group summary { cursor: pointer; font-weight: 700; text-transform: capitalize; }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 4px; margin-top: 8px; }
.checkbox-label { display: flex; align-items: center; gap: 6px; font-size: 13px; }

/* Form extras */
.form-check { margin: 10px 0 14px; }
.form-check label { display: flex; align-items: center; gap: 7px; }
.form-hint { color: var(--muted); font-size: 12px; }

/* Dashboard - business modules */
.module-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.module-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    text-decoration: none;
    color: var(--ink, #16212b);
    box-shadow: 0 2px 10px rgba(6, 50, 35, .06);
    transition: transform .15s ease, box-shadow .15s ease;
}
.module-card:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(6, 50, 35, .12); color: var(--ink, #16212b); }
.module-card-icon {
    width: 46px; height: 46px;
    flex: none;
    border-radius: 11px;
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 800;
}
.module-card-body { display: flex; flex-direction: column; min-width: 0; }
.module-card-name { font-weight: 700; font-size: 15px; }
.module-card-en { font-size: 12px; font-weight: 600; color: #0096d4; }
.module-card-num { font-size: 22px; font-weight: 800; color: #034f77; margin-top: 8px; line-height: 1; }
.module-card-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Status badges in tables */
.badge-open { background: #e3f4fb; color: #0071a8; }
.badge-in-progress { background: #fff4e0; color: #9a6a00; }
.badge-pending { background: #eef0f2; color: var(--muted); }
.badge-resolved { background: #e3f4ee; color: #0b7a51; }
.badge-closed { background: #eef0f2; color: var(--muted); }
.badge-urgent { background: #fdeceb; color: #c0342f; }
.badge-high { background: #fdeceb; color: #c0342f; }
.badge-medium { background: #fff4e0; color: #9a6a00; }
.badge-low { background: #eef0f2; color: var(--muted); }
@media (max-width: 700px) { .module-grid { grid-template-columns: 1fr; } }