/* Componentes reutilizáveis: botões, campos, cards, alertas, badges, empty-state. */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: 46px;
    padding: 0 var(--space-5);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}

.btn:hover {
    text-decoration: none;
}

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

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

.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-ghost:hover {
    background: var(--color-surface-alt);
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
}

.icon-button:hover {
    background: var(--color-surface-alt);
    color: var(--color-text);
}

.icon-button svg {
    width: 20px;
    height: 20px;
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.form-input {
    width: 100%;
    height: 46px;
    padding: 0 var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 1rem;
}

.form-input:focus {
    border-color: var(--color-primary);
}

.form-input-color {
    height: 46px;
    width: 80px;
    padding: 2px;
}

.form-hint {
    margin-top: var(--space-2);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.form-actions {
    margin-top: var(--space-5);
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin-bottom: var(--space-4);
}

.alert-error {
    background: color-mix(in srgb, var(--color-negative) 12%, var(--color-surface));
    color: var(--color-negative);
}

.alert-success {
    background: color-mix(in srgb, var(--color-positive) 14%, var(--color-surface));
    color: var(--color-positive);
}

.alert-info {
    background: var(--color-surface-alt);
    color: var(--color-text-muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    background: var(--color-surface-alt);
    color: var(--color-text-muted);
}

.badge-success {
    background: color-mix(in srgb, var(--color-positive) 16%, transparent);
    color: var(--color-positive);
}

.badge-warning {
    background: color-mix(in srgb, var(--color-warning) 18%, transparent);
    color: var(--color-warning);
}

.badge-danger {
    background: color-mix(in srgb, var(--color-negative) 14%, transparent);
    color: var(--color-negative);
}

.empty-state {
    text-align: center;
    padding: var(--space-7) var(--space-4);
    color: var(--color-text-muted);
}

.empty-state-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    color: var(--color-text-muted);
}

.empty-state-icon svg {
    width: 100%;
    height: 100%;
}

.summary-value {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.summary-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-6);
    margin-bottom: var(--space-4);
}

.transaction-list {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.transaction-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

a.transaction-row {
    color: inherit;
    text-decoration: none;
}

a.transaction-row:hover {
    background: var(--color-surface-alt);
}

.transaction-row:last-child {
    border-bottom: none;
}

.transaction-row-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--row-color, var(--color-text-muted)) 16%, transparent);
    color: var(--row-color, var(--color-text-muted));
}

.transaction-row-icon svg {
    width: 18px;
    height: 18px;
}

.transaction-row-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.transaction-row-description {
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.transaction-row-meta {
    font-size: 0.8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.transaction-row-amount {
    flex-shrink: 0;
    font-weight: 700;
    white-space: nowrap;
}

.list-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.list-toolbar .form-input {
    width: auto;
    flex: 1;
    min-width: 140px;
}

.category-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
}

.category-chip-color {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--chip-color, var(--color-text-muted));
    flex-shrink: 0;
}

.category-card {
    margin-bottom: var(--space-4);
}

.category-card-header {
    padding: 0 0 var(--space-3);
    border-bottom: none;
}

.category-card .row-actions {
    padding: 0 0 var(--space-3);
}

.subcategory-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.subcategory-chips .badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.subcategory-add-form {
    display: flex;
    gap: var(--space-2);
    margin-bottom: 0;
}

.subcategory-add-form .form-input {
    flex: 1;
}

.link-button {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    color: var(--color-primary);
    cursor: pointer;
}

.link-button:hover {
    text-decoration: underline;
}

.link-button-danger {
    color: var(--color-negative);
}

.row-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: 0 var(--space-4) var(--space-4);
    font-size: 0.85rem;
}

.row-actions form {
    display: contents;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-5);
}

@media (min-width: 640px) {
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .summary-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 768px) {
    .btn {
        width: auto;
    }
}