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

:root {
    --primary-color: #1f538d;
    --secondary-color: #2b2b2b;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --light-bg: #f8f9fa;
    --dark-bg: #1a1a1a;
    --text-light: #ffffff;
    --text-dark: #333333;
    --border-color: #dee2e6;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}

/* Header */
.header {
    background: var(--primary-color);
    color: white;
    padding: 30px;
}

.header h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.stat-card {
    background: rgba(255,255,255,0.1);
    padding: 15px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.stat-card i {
    font-size: 2rem;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
}

/* Tabs */
.tabs {
    display: flex;
    background: var(--secondary-color);
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    min-width: 150px;
    padding: 15px 20px;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-btn:hover {
    background: rgba(255,255,255,0.1);
}

.tab-btn.active {
    background: white;
    color: var(--primary-color);
    font-weight: bold;
}

/* Tab Content */
.tab-content {
    display: none;
    padding: 30px;
    animation: fadeIn 0.3s;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section */
.section {
    margin-bottom: 30px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.section-header h2 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: #164070;
}

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

.btn-success:hover {
    background: #218838;
}

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

.btn-danger:hover {
    background: #c82333;
}

.btn-warning {
    background: var(--warning-color);
    color: var(--text-dark);
}

.btn-warning:hover {
    background: #e0a800;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

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

/* Filters */
.filters {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filters select,
.filters input {
    flex: 1;
    min-width: 200px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
}

/* Table */
.table-container {
    overflow-x: auto;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

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

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: var(--light-bg);
}

.table .btn {
    padding: 5px 10px;
    font-size: 0.9rem;
}

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

/* Form */
.form {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 10px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-weight: bold;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 83, 141, 0.1);
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

/* Caixa Info */
.caixa-info {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.caixa-status {
    text-align: center;
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 8px;
    background: white;
}

.caixa-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.detail-item {
    background: white;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-item.saldo {
    grid-column: 1 / -1;
    background: var(--success-color);
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
}

.detail-label {
    font-weight: bold;
    color: var(--text-dark);
}

.detail-item.saldo .detail-label {
    color: white;
}

.caixa-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.caixa-actions .btn {
    flex: 1;
    min-width: 180px;
    justify-content: center;
}

/* Histórico */
.historico-lista {
    max-height: 400px;
    overflow-y: auto;
}

.historico-item {
    background: var(--light-bg);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 4px solid var(--primary-color);
}

.historico-item.fechado {
    border-left-color: #6c757d;
    opacity: 0.8;
}

.historico-item h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.historico-item p {
    margin: 5px 0;
    font-size: 0.95rem;
}

/* Chart */
.chart-container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    animation: fadeIn 0.3s;
}

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

.modal-content {
    background: white;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.3s;
}

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
}

.close {
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.modal-footer .btn {
    flex: 1;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
    color: #6c757d;
}

.loading i {
    font-size: 3rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .header h1 {
        font-size: 1.5rem;
    }

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

    .tabs {
        flex-direction: column;
    }

    .tab-btn {
        min-width: 100%;
    }

    .tab-content {
        padding: 15px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .filters {
        flex-direction: column;
    }

    .filters select,
    .filters input {
        min-width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .caixa-details {
        grid-template-columns: 1fr;
    }

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

    .caixa-actions .btn {
        min-width: 100%;
    }

    .table {
        font-size: 0.85rem;
    }

    .table th,
    .table td {
        padding: 8px;
    }

    .modal-content {
        width: 95%;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.2rem;
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .table {
        font-size: 0.75rem;
    }

    .table th,
    .table td {
        padding: 6px;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #164070;
}