/* Reset e variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --success: #10b981;
    --success-dark: #059669;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --warning: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--gray-900);
}

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

/* Header */
.header {
    background: white;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
}

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

.title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
}

.btn-admin {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-admin:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Navegação de Mês */
.month-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    border-radius: 12px;
    padding: 16px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
}

.current-month {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

.btn-nav {
    background: var(--gray-100);
    color: var(--gray-700);
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-nav:hover {
    background: var(--gray-200);
    transform: translateX(0);
}

.btn-nav:first-child:hover {
    transform: translateX(-2px);
}

.btn-nav:last-child:hover {
    transform: translateX(2px);
}

/* Indicadores */
.indicators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.indicator-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    border-left: 4px solid transparent;
}

.indicator-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.indicator-card.sugestao {
    border-left-color: var(--primary);
}

.indicator-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.indicator-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
}

.indicator-subtitle {
    font-size: 12px;
    color: var(--gray-600);
    margin-top: 4px;
}

/* Ações Admin */
.admin-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.btn-action {
    flex: 1;
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: white;
}

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

.btn-credito:hover {
    background: var(--success-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-debito:hover {
    background: var(--danger-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Seção de Transações */
.transactions-section {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-md);
}

.section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--gray-50);
    border-radius: 8px;
    border-left: 4px solid transparent;
    transition: all 0.2s;
}

.transaction-item:hover {
    background: var(--gray-100);
    transform: translateX(4px);
}

.transaction-item.credito {
    border-left-color: var(--success);
}

.transaction-item.debito {
    border-left-color: var(--danger);
}

.transaction-info {
    flex: 1;
}

.transaction-descricao {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.transaction-data {
    font-size: 14px;
    color: var(--gray-600);
}

.transaction-valor {
    font-size: 20px;
    font-weight: 700;
    margin-right: 16px;
}

.transaction-valor.credito {
    color: var(--success);
}

.transaction-valor.debito {
    color: var(--danger);
}

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

.btn-edit, .btn-delete {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

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

.btn-delete:hover {
    background: var(--danger-dark);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--gray-600);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 0;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease-out;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--gray-600);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

/* Formulário */
.form {
    padding: 24px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.error-message {
    color: var(--danger);
    font-size: 14px;
    margin-bottom: 16px;
    display: none;
}

.error-message.active {
    display: block;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.form-actions {
    display: flex;
    gap: 12px;
}

.form-actions .btn-submit,
.form-actions .btn-cancel {
    flex: 1;
}

.btn-cancel {
    padding: 12px;
    background: var(--gray-200);
    color: var(--gray-700);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-cancel:hover {
    background: var(--gray-300);
}

/* Responsividade */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .title {
        font-size: 24px;
    }

    .month-navigation {
        flex-direction: column;
        gap: 12px;
    }

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

    .transaction-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .transaction-actions {
        width: 100%;
        justify-content: flex-end;
    }
}