/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #8b5cf6;
    --color-success: #10b981;
    --color-success-dark: #059669;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-dark: #1e293b;
    --color-darker: #0f172a;
    --color-light: #f8fafc;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-primary-alt: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-info: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --border-radius: 0.75rem;
    --border-radius-lg: 1rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--color-dark);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-attachment: fixed;
    min-height: 100vh;
    padding-top: 110px;
    padding-bottom: env(safe-area-inset-bottom, 90px);
}

/* Header Styles */
.header-gradient {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0.75rem 0 !important;
    transition: all 0.3s ease;
}

.header-gradient h1 {
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    font-size: 1.5rem;
    transition: font-size 0.3s ease;
}

.header-gradient p {
    font-size: 0.875rem;
    transition: font-size 0.3s ease;
    color: #64748b;
}

.header-buttons {
    margin-top: 0.5rem;
}

.btn-header {
    background: var(--gradient-primary) !important;
    color: white !important;
    border: 2px solid var(--color-primary-dark) !important;
    padding: 0.5rem 1.2rem;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.4);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-header::before,
.btn-header::after,
.header-buttons::before,
.header-buttons::after {
    content: none !important;
    display: none !important;
}

.btn-header:hover {
    background: var(--gradient-primary-alt) !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.6);
    border-color: var(--color-secondary) !important;
}

.btn-header:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.4);
}

.btn-header i {
    font-size: 0.9rem;
}

/* Card Styles */
.card {
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    overflow: hidden;
    background: white;
    border: none;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.card:hover::before {
    left: 100%;
}

.calculator-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.results-card {
    border-left: 4px solid var(--color-success);
    background: white;
}

.card-header {
    border-bottom: none;
    padding: 1.5rem;
}

.bg-gradient-primary {
    background: var(--gradient-primary) !important;
}

.bg-gradient-success {
    background: var(--gradient-success) !important;
}

.bg-gradient-info {
    background: var(--gradient-info) !important;
}

.bg-gradient-warning {
    background: var(--gradient-warning) !important;
}

.bg-gradient-danger {
    background: var(--gradient-danger) !important;
}

/* Form Styles */
.form-control,
.form-select {
    border-radius: var(--border-radius);
    border: 2px solid #e2e8f0;
    padding: 0.75rem 1rem;
    transition: var(--transition);
    font-size: 1rem;
    background: white;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.input-group-text {
    background: var(--gradient-primary);
    border: 2px solid var(--color-primary);
    color: white;
    font-weight: 600;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

/* Button Styles */
.btn {
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
    box-shadow: var(--shadow);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    border: 2px solid var(--color-primary-dark);
}

.btn-primary:hover {
    background: var(--gradient-primary-alt);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
    color: white;
    border-color: var(--color-secondary);
}

.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(100, 116, 139, 0.4);
    border: 2px solid #475569;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #475569 0%, #334155 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(100, 116, 139, 0.5);
    border-color: #334155;
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.5);
    border: 3px solid var(--color-success-dark);
    font-weight: 800;
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.6);
    border-color: #047857;
}

.btn-outline-primary {
    border: 3px solid var(--color-primary) !important;
    color: var(--color-primary) !important;
    background: white !important;
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.btn-outline-primary:hover {
    background: var(--gradient-primary) !important;
    color: white !important;
    border-color: var(--color-primary-dark) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.5);
}

.btn-outline-danger {
    border: 3px solid var(--color-danger);
    color: var(--color-danger);
    background: white;
    font-weight: 700;
}

.btn-outline-danger:hover {
    background: var(--gradient-danger);
    color: white;
    border-color: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

.btn-outline-light {
    border: 3px solid var(--color-primary);
    color: var(--color-primary);
    background: white;
    font-weight: 700;
}

.btn-outline-light:hover {
    background: var(--gradient-primary);
    border-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

/* Table Styles */
.table {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th {
    background: var(--gradient-dark);
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1rem;
    font-size: 0.875rem;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    border-color: #e2e8f0;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(99, 102, 241, 0.03);
}

.table-dark th {
    background: var(--gradient-dark) !important;
}

/* Estilos do rodapé da tabela (Totais) */
.table tfoot tr {
    font-weight: 700;
    font-size: 1rem;
}

.table tfoot th,
.table tfoot td {
    padding: 1.25rem 1rem;
    border-top: 3px solid #cbd5e1;
    color: white !important;
}

.table-secondary {
    background: var(--gradient-dark) !important;
}

.table-secondary th,
.table-secondary td {
    color: white !important;
    font-weight: 800 !important;
    font-size: 1.05rem !important;
}

.table-success {
    background: var(--gradient-success) !important;
}

.table-success th,
.table-success td {
    color: white !important;
    font-weight: 800 !important;
    font-size: 1.1rem !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.text-danger {
    color: #fca5a5 !important;
    font-weight: 800 !important;
}

/* Summary Card */
.summary-card {
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    height: 100%;
    box-shadow: var(--shadow-sm);
}

.summary-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Alert Styles */
.alert {
    border-radius: var(--border-radius-lg);
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

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

.alert-warning {
    background: var(--gradient-warning);
    color: white;
}

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

.alert-info {
    background: var(--gradient-info);
    color: white;
}

/* Modal Styles */
.modal-content {
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid #e2e8f0;
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}



/* Offcanvas Styles */
.offcanvas {
    border-radius: var(--border-radius-lg) 0 0 var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.offcanvas-header {
    padding: 1.5rem;
    background: var(--gradient-primary);
}

.offcanvas-body {
    padding: 1.5rem;
}

/* Accordion Styles */
.accordion-item {
    border: none;
    margin-bottom: 0.75rem;
    border-radius: var(--border-radius-lg) !important;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-button {
    background: white;
    color: var(--color-dark);
    border: none;
    font-weight: 600;
    padding: 1rem 1.5rem;
}

.accordion-button:not(.collapsed) {
    background: var(--gradient-primary);
    color: white;
}

.accordion-button:focus {
    box-shadow: none;
    border: none;
}

.accordion-body {
    padding: 1.5rem;
    background: white;
}

/* History Styles */
.history-item {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border-left: 4px solid var(--color-primary);
}

.history-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--color-secondary);
}

.history-date {
    font-size: 0.875rem;
    color: #64748b;
}

.history-amount {
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.25rem;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Fade In Animation */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #dee2e6 !important;
    }

    .bg-gradient-primary,
    .bg-gradient-success,
    .bg-gradient-info {
        background: #f8f9fa !important;
        color: var(--color-dark) !important;
    }

    body {
        background: white !important;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding-top: 150px;
    }

    main.container {
        margin-top: 20px;
    }

    .header-gradient h1 {
        font-size: 1.25rem;
    }

    .header-gradient p {
        font-size: 0.75rem;
    }

    .btn-header {
        padding: 0.55rem 1.1rem;
        font-size: 0.75rem;
    }

    .container {
        padding: 0 1rem;
    }

    .card-body {
        padding: 1.5rem !important;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    .table-responsive {
        font-size: 0.875rem;
    }

    .summary-card {
        margin-bottom: 1rem;
    }

    .d-md-flex.justify-content-md-end {
        flex-direction: column !important;
    }

    .d-md-flex.justify-content-md-end .btn {
        margin-bottom: 0.5rem;
    }

    .offcanvas {
        width: 100% !important;
    }
}

@media (max-width: 576px) {
    body {
        padding-top: 170px;
    }

    main.container {
        margin-top: 25px;
    }

    .header-gradient h1 {
        font-size: 1.1rem;
    }

    .header-gradient p {
        font-size: 0.7rem;
    }

    .btn-header {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
        margin: 0.25rem;
    }

    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .table th,
    .table td {
        padding: 0.5rem;
        font-size: 0.8rem;
    }

    .card-header h3 {
        font-size: 1.25rem;
    }

    .summary-card h5 {
        font-size: 1rem;
    }

    .summary-card h3 {
        font-size: 1.5rem;
    }
}

/* Accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary-alt);
}

/* Validation Styles */
.was-validated .form-control:valid {
    border-color: var(--color-success);
}

.was-validated .form-control:invalid {
    border-color: var(--color-danger);
}

.was-validated .form-select:valid {
    border-color: var(--color-success);
}

.was-validated .form-select:invalid {
    border-color: var(--color-danger);
}

/* Info Button */
.info-btn {
    background: var(--gradient-info);
    border: none;
    color: var(--color-dark);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    transition: var(--transition);
}

.info-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

/* Currency Input Styling */
.money-input {
    text-align: right;
    font-weight: 600;
}

/* Results Animation */
.result-item {
    opacity: 0;
    transform: translateX(-20px);
    animation: slideIn 0.3s ease-out forwards;
}

.result-item:nth-child(1) {
    animation-delay: 0.1s;
}

.result-item:nth-child(2) {
    animation-delay: 0.2s;
}

.result-item:nth-child(3) {
    animation-delay: 0.3s;
}

.result-item:nth-child(4) {
    animation-delay: 0.4s;
}

.result-item:nth-child(5) {
    animation-delay: 0.5s;
}

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

/* Pulse Animation for Important Elements */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

/* Hover Effects */
.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Text Utilities */
.text-gradient-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Border Utilities */
.border-gradient-primary {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box, var(--gradient-primary) border-box;
}

/* Footer Styles */
.footer-gradient {
    background: var(--gradient-dark);
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
}

.footer-gradient h5 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-gradient a:hover {
    color: var(--color-primary-light) !important;
    transition: var(--transition);
}

/* Logo Styles */
.header-logo {
    height: 50px;
    width: auto;
    margin-right: 15px;
    vertical-align: middle;
    display: inline-block;
    transition: var(--transition);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.header-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

.header-gradient h1 {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Logo Styles */
@media (max-width: 768px) {
    .header-logo {
        height: 40px;
        margin-right: 10px;
    }
}

@media (max-width: 576px) {
    .header-gradient h1 {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }

    .header-logo {
        height: 45px;
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}