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

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Páginas */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-box {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.login-box h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.login-box .subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 14px;
}

/* Dashboard Header */
.dashboard-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-header h1 {
    font-size: 20px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Main Content */
.dashboard-main {
    padding: 32px 24px;
}

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

/* Card */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 24px;
    margin-bottom: 24px;
}

.card h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* Form Elements */
.form-section {
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

input[type="text"],
input[type="password"],
.form-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Radio & Checkbox */
.radio-group,
.checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 14px;
}

.radio-label:hover,
.checkbox-label:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.02);
}

.radio-label input,
.checkbox-label input {
    cursor: pointer;
}

.checkbox-actions {
    margin-top: 12px;
    display: flex;
    gap: 12px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

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

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

.btn-secondary:hover {
    background: #475569;
}

.btn-link {
    background: transparent;
    color: var(--primary-color);
    padding: 8px 12px;
}

.btn-link:hover {
    background: rgba(37, 99, 235, 0.05);
}

.btn-block {
    width: 100%;
}

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

/* Messages */
.error-message,
.status-message {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-top: 16px;
}

.error-message {
    background: #fef2f2;
    color: var(--error-color);
    border: 1px solid #fecaca;
    display: none;
}

.error-message:not(:empty) {
    display: block;
}

.status-message.success {
    background: #f0fdf4;
    color: var(--success-color);
    border: 1px solid #bbf7d0;
}

.status-message.error {
    background: #fef2f2;
    color: var(--error-color);
    border: 1px solid #fecaca;
}

.status-message.info {
    background: #eff6ff;
    color: var(--primary-color);
    border: 1px solid #bfdbfe;
}

/* Progress Bar */
.progress-container {
    margin-top: 20px;
}

.progress-bar {
    position: relative;
    width: 100%;
    height: 32px;
    background: #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6 0%, #3b82f6 100%);
    transition: width 0.5s ease, background 0.5s ease;
    width: 0%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 12px;
    color: white;
    font-weight: 600;
    font-size: 13px;
}

.progress-fill::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Loading spinner para fase inicial */
.progress-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid #e2e8f0;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-fill.progress-low {
    background: linear-gradient(90deg, #3b82f6 0%, #2563eb 100%);
}

.progress-fill.progress-medium {
    background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
}

.progress-fill.progress-high {
    background: linear-gradient(90deg, #10b981 0%, #059669 100%);
}

.progress-percentage {
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.progress-text {
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    font-weight: 500;
}

/* Sync History */
.sync-history {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
}

.history-item:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.02);
}

.history-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.history-name {
    font-size: 14px;
    font-weight: 500;
}

.history-meta {
    font-size: 12px;
    color: var(--text-muted);
}

.history-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
}

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

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

.btn-icon {
    padding: 8px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    color: var(--text-secondary);
}

.btn-icon:hover {
    background: #f1f5f9;
    color: var(--text-primary);
}

.btn-delete {
    color: var(--error-color);
}

.btn-delete:hover {
    background: #fef2f2;
}

.text-muted {
    color: var(--text-muted);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

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

    .dashboard-main {
        padding: 20px 16px;
    }

    .card {
        padding: 20px;
    }
}