body {
    background-color: #f4f6f9;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
}

.app-navbar {
    background: #0f766e;
    padding: 10px 20px;
}
.app-navbar .navbar-brand { color: #fff; }

.app-shell {
    display: flex;
    min-height: calc(100vh - 58px);
}

.app-sidebar {
    width: 250px;
    background: #ffffff;
    border-left: 1px solid #e2e8f0;
    box-shadow: 2px 0 8px rgba(0,0,0,0.03);
    padding-top: 10px;
}

.sidebar-nav .nav-link {
    color: #334155;
    padding: 12px 20px;
    font-weight: 600;
    font-size: 14.5px;
    border-right: 3px solid transparent;
}
.sidebar-nav .nav-link:hover {
    background: #f0fdfa;
    color: #0f766e;
}
.sidebar-nav .nav-link.active {
    background: #f0fdfa;
    color: #0f766e;
    border-right: 3px solid #0f766e;
}

.app-content {
    flex: 1;
    padding: 25px;
}

.stat-card {
    background: #fff;
    border-radius: 14px;
    padding: 22px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.04);
    border: 1px solid #eef1f5;
}
.stat-card .stat-icon {
    width: 55px; height: 55px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: #fff;
}
.stat-card .stat-number { font-size: 26px; font-weight: 700; }

.card-section {
    background: #fff;
    border-radius: 14px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.04);
    border: 1px solid #eef1f5;
}

.btn-teal { background: #0f766e; color: #fff; font-weight: 600; }
.btn-teal:hover { background: #115e59; color: #fff; }

.table thead th { background: #f0fdfa; color: #0f766e; font-size: 13.5px; }

/* ---- لۆگین ---- */
.login-body { background: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 100%); font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; min-height: 100vh; display: flex; align-items: center; justify-content: center; margin:0; }
.login-card { background: white; padding: 40px; border-radius: 20px; box-shadow: 0 10px 25px rgba(0,0,0,0.08); width: 100%; max-width: 420px; border: 1px solid #e2e8f0; }
.brand-icon { width: 70px; height: 70px; background: #0f766e; color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px auto; font-size: 30px; box-shadow: 0 5px 15px rgba(15, 118, 110, 0.3); }
.btn-teal { background: #0f766e; color: white; font-weight: 600; padding: 11px; border-color:#0f766e; }
.btn-teal:hover { background: #115e59; color: white; border-color:#115e59; }
.btn-outline-teal:hover { background:#0f766e; color:#fff !important; }