* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #f4f7fb;
    color: #222;
}

a {
    text-decoration: none;
}

.auth-body {
    background: linear-gradient(135deg, #eef4ff, #f9fbff);
    min-height: 100vh;
}

.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 18px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.auth-card h2 {
    margin-bottom: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 14px;
    margin-bottom: 6px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d9e0ea;
    border-radius: 12px;
    outline: none;
    font-size: 14px;
}

.btn-primary {
    width: 100%;
    background: #2563eb;
    color: #fff;
    border: none;
    padding: 13px;
    border-radius: 12px;
    font-size: 15px;
    cursor: pointer;
    margin-top: 10px;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.auth-link {
    margin-top: 16px;
    text-align: center;
    font-size: 14px;
}

.auth-link a {
    color: #2563eb;
    font-weight: 600;
}

.alert {
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 15px;
    font-size: 14px;
}

.alert.error {
    background: #fee2e2;
    color: #b91c1c;
}

.alert.success {
    background: #dcfce7;
    color: #15803d;
}

.topbar {
    background: #fff;
    padding: 15px 20px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-layout {
    display: flex;
    min-height: calc(100vh - 70px);
}

.sidebar {
    width: 240px;
    background: #111827;
    padding: 20px;
    min-height: 100%;
}

.sidebar a {
    display: block;
    color: #fff;
    padding: 12px 14px;
    margin-bottom: 8px;
    border-radius: 10px;
    font-size: 14px;
}

.sidebar a:hover {
    background: #1f2937;
}

.main-content {
    flex: 1;
    padding: 20px;
}

.page-header {
    margin-bottom: 20px;
}

.page-header h1 {
    font-size: 24px;
    margin-bottom: 5px;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.card {
    background: #fff;
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.05);
}

.card h3 {
    font-size: 15px;
    margin-bottom: 10px;
    color: #555;
}

.card p {
    font-size: 22px;
    font-weight: bold;
}

.large-card {
    margin-top: 20px;
}

.quick-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.quick-btn {
    background: #eff6ff;
    color: #1d4ed8;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
}

.quick-btn:hover {
    background: #dbeafe;
}

@media (max-width: 991px) {
    .main-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        display: flex;
        overflow-x: auto;
        gap: 10px;
        white-space: nowrap;
    }

    .sidebar a {
        display: inline-block;
        margin-bottom: 0;
    }

    .dashboard-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .topbar {
        padding: 12px 15px;
    }

    .topbar h2 {
        font-size: 18px;
    }

    .main-content {
        padding: 15px;
    }

    .dashboard-cards {
        grid-template-columns: 1fr;
    }

    .card p {
        font-size: 20px;
    }

    .quick-actions {
        flex-direction: column;
    }

    .quick-btn {
        width: 100%;
        text-align: center;
    }

    .auth-card {
        padding: 20px;
        border-radius: 16px;
    }

    .form-group input,
    .btn-primary {
        font-size: 16px;
    }
}