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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Login page */
.login-page {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: 100vh;
    padding-top: 10vh;
    background: linear-gradient(180deg, #e8f4f8 0%, #b3d9e8 30%, #4a9fc8 70%, #003d73 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 10px 20px 20px 20px;
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
    animation: fadeInDown 0.6s ease-out;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.logo-prefix {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: #ff6b35;
    line-height: 1;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.15));
    margin-top: 2px;
}

.login-logo img {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-box h1 {
    font-size: 24px;
    margin-bottom: 10px;
    text-align: center;
    color: #0066a1;
}

.login-box h2 {
    font-size: 18px;
    margin-bottom: 30px;
    text-align: center;
    color: #666;
}

.login-box .btn-primary {
    background: #0066a1;
}

.login-box .btn-primary:hover {
    background: #004d7a;
}

.login-info {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    text-align: center;
    color: #999;
}

/* Navigation */
.navbar {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 18px;
    font-weight: bold;
    color: #0066a1;
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    gap: 20px;
    list-style: none;
}

.navbar-menu a {
    text-decoration: none;
    color: #666;
    padding: 8px 15px;
    border-radius: 4px;
    transition: all 0.3s;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    background: #0066a1;
    color: white;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-role {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.user-role.admin {
    background: #f56565;
    color: white;
}

.user-role.user {
    background: #48bb78;
    color: white;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066a1;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s;
}

.btn-primary {
    background: #0066a1;
    color: white;
}

.btn-primary:hover {
    background: #004d7a;
}

.btn-success {
    background: #48bb78;
    color: white;
}

.btn-success:hover {
    background: #38a169;
}

.btn-danger {
    background: #f56565;
    color: white;
}

.btn-danger:hover {
    background: #e53e3e;
}

.btn-secondary {
    background: #718096;
    color: white;
}

.btn-secondary:hover {
    background: #4a5568;
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-outline {
    background: white;
    color: #0066a1;
    border: 2px solid #0066a1;
}

.btn-outline:hover {
    background: #f7fafc;
}

.btn-outline.active {
    background: #0066a1;
    color: white;
}

/* Table */
.table {
    width: 100%;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.table table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.table th {
    background: #f7fafc;
    font-weight: 600;
    color: #4a5568;
}

.table tr:hover {
    background: #f7fafc;
}

.table-actions {
    display: flex;
    gap: 8px;
}

/* Card */
.card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.card-header {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid #eee;
}

/* Alert */
.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background: #c6f6d5;
    color: #22543d;
    border-left: 4px solid #48bb78;
}

.alert-error {
    background: #fed7d7;
    color: #742a2a;
    border-left: 4px solid #f56565;
}

.alert-info {
    background: #bee3f8;
    color: #2c5282;
    border-left: 4px solid #4299e1;
}

/* Result box */
.result-box {
    background: #f7fafc;
    border: 2px solid #0066a1;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    font-family: 'Courier New', monospace;
}

.result-box h3 {
    text-align: center;
    color: #0066a1;
    margin-bottom: 15px;
    font-size: 20px;
}

.result-box .divider {
    border-top: 1px solid #cbd5e0;
    margin: 15px 0;
}

.result-box .price-highlight {
    font-size: 24px;
    font-weight: bold;
    color: #0066a1;
    text-align: center;
    padding: 15px;
    background: white;
    border-radius: 4px;
    margin: 10px 0;
}

.result-box .breakdown {
    padding-left: 20px;
}

.result-box .breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
}

/* Utility classes */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.hidden {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .navbar-inner {
        flex-direction: column;
        gap: 15px;
    }

    .navbar-menu {
        flex-direction: column;
        width: 100%;
    }

    .navbar-menu a {
        text-align: center;
    }

    .table {
        overflow-x: auto;
    }
}