@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

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

:root {
    --color-primary: #1a56db;
    --color-primary-dark: #1e429f;
    --color-primary-light: #e1effe;
    --color-success: #0e9f6e;
    --color-danger: #c81e1e;
    --color-warning: #c27803;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --transition: all 0.2s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-gray-800);
    background-color: var(--color-gray-100);
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 0.375rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
select,
textarea {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

input:disabled,
select:disabled,
textarea:disabled {
    background-color: var(--color-gray-100);
    opacity: 0.6;
    cursor: not-allowed;
}

input.error,
select.error,
textarea.error {
    border-color: var(--color-danger);
}

.error-message {
    display: none;
    color: var(--color-danger);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

input.error ~ .error-message,
select.error ~ .error-message,
textarea.error ~ .error-message {
    display: block;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    text-decoration: none;
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background-color: var(--color-gray-50);
}

.btn-success {
    background-color: var(--color-success);
    color: var(--color-white);
}

.btn-danger {
    background-color: var(--color-danger);
    color: var(--color-white);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.alert {
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.alert-success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-danger {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background-color: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.navbar {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    color: var(--color-gray-600);
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom-color: var(--color-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-primary);
}

.stat-card.success {
    border-left-color: var(--color-success);
}

.stat-card.warning {
    border-left-color: var(--color-warning);
}

.stat-card.danger {
    border-left-color: var(--color-danger);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

th,
td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

th {
    font-weight: 600;
    color: var(--color-gray-700);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--color-gray-50);
}

tr:hover {
    background-color: var(--color-gray-50);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    border-radius: 9999px;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-primary {
    background-color: #dbeafe;
    color: #1e40af;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-gray-300);
    transition: var(--transition);
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

input:checked + .toggle-slider {
    background-color: var(--color-success);
}

input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.col-6 {
    display: inline-block;
    width: 50%;
    vertical-align: top;
    padding-right: 0.5rem;
}

.rate-with-unit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rate-with-unit input[type="number"] {
    flex: 1 1 auto;
    min-width: 0;
}

.rate-with-unit .unit-badge {
    flex: 0 0 auto;
    padding: 0.625rem 0.875rem;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    white-space: nowrap;
}

.rate-value-display {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--color-gray-800);
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.w-full {
    width: 100%;
}

#rates-config {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

#rates-config > .rates-grid {
    grid-column: 1 / -1;
}

.category-section {
    grid-column: 1 / -1;
    margin-bottom: 0.5rem;
}

.category-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.rates-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.rate-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
}

.rate-card-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}

.rate-card-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.rate-card-unit {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

.rate-card-meta {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }

    #rates-config {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .col-6 {
        display: block;
        width: 100%;
        padding-right: 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    #rates-config {
        grid-template-columns: 1fr;
    }

    .rates-grid {
        grid-template-columns: 1fr;
    }
}