:root {
    --dre-primary: #E91E63;
    --dre-primary-hover: #D81B60;
    --dre-secondary: #F48FB1;
    --dre-sidebar-bg: #FFFFFF;
    /* Reference shifted to white sidebar in one print, but let's stick to user request or common pattern. Upload 3 shows white sidebar with pink accent. */
    --dre-sidebar-text: #333333;
    --dre-bg: #F5F7FA;
    --dre-card-bg: #FFFFFF;
    --dre-text: #2c3e50;
    --dre-text-light: #7f8c8d;
    --dre-border: #e2e8f0;
    --dre-success: #2ecc71;
    --dre-danger: #e74c3c;
    --dre-warning: #f1c40f;
}

#dre-app-root {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--dre-bg);
    color: var(--dre-text);
    min-height: 600px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* Auth / Client Selector */
.dre-client-selector-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    padding: 2rem;
}

.dre-card {
    background: var(--dre-card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.dre-auth-card {
    width: 100%;
    max-width: 600px;
    text-align: center;
}

.dre-clients-grid {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.dre-client-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    border: 1px solid var(--dre-border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--dre-text);
    transition: all 0.2s ease;
}

.dre-client-card:hover {
    border-color: var(--dre-primary);
    background-color: rgba(233, 30, 99, 0.05);
    transform: translateY(-2px);
}

.dre-client-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.dre-client-name {
    font-weight: 600;
}

/* Layout */
.dre-dashboard-layout {
    display: flex;
    min-height: 600px;
}

/* Sidebar */
.dre-sidebar {
    width: 250px;
    background: var(--dre-sidebar-bg);
    border-right: 1px solid var(--dre-border);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.dre-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dre-primary);
}

.dre-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dre-nav li {
    margin-bottom: 0.5rem;
}

.dre-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--dre-sidebar-text);
    transition: background 0.2s;
    font-weight: 500;
}

.dre-nav a:hover,
.dre-nav a.active {
    background-color: rgba(233, 30, 99, 0.1);
    /* Pink tint */
    color: var(--dre-primary);
}

.dre-user-profile {
    margin-top: auto;
    border-top: 1px solid var(--dre-border);
    padding-top: 1rem;
}

.dre-switch-client {
    display: block;
    text-align: center;
    font-size: 0.9rem;
    color: var(--dre-text-light);
    text-decoration: none;
}

.dre-switch-client:hover {
    color: var(--dre-primary);
}

/* Main Content */
.dre-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.dre-header {
    background: var(--dre-card-bg);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--dre-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dre-header h1 {
    margin: 0;
    font-size: 1.5rem;
}

.dre-client-badge {
    background: #eee;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: #666;
}

.dre-content-area {
    padding: 2rem;
    overflow-y: auto;
}

/* Stats Grid */
.dre-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dre-stat-card {
    background: var(--dre-card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.dre-stat-card h3 {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: var(--dre-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dre-stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.dre-stat-value.positive {
    color: var(--dre-success);
}

.dre-stat-value.negative {
    color: var(--dre-danger);
}

.dre-stat-trend {
    font-size: 0.8rem;
    color: var(--dre-success);
    margin-top: 0.5rem;
    display: block;
}

/* Charts */
.dre-charts-row {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.dre-chart-card {
    background: var(--dre-card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    flex: 1;
    min-width: 300px;
    max-width: 800px;
    /* Limit size on 4K screens */
    margin: 0 auto;
    /* Center if it hits max-width */
}

.dre-chart-placeholder {
    height: 250px;
    background: #f9f9f9;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #aaa;
}

/* Table Style from Padrao 2 */
.dre-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dre-table th {
    background: #f8f9fa;
    text-align: left;
    padding: 1rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: #8898aa;
    font-weight: 600;
}

.dre-table td {
    padding: 1rem;
    border-bottom: 1px solid #e9ecef;
    color: #525f7f;
}

.dre-table tr:last-child td {
    border-bottom: none;
}

.dre-btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
}

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

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

/* Specific Alerts */
.dre-alert {
    padding: 1rem;
    background: #fff3cd;
    color: #856404;
    border-radius: 6px;
    margin-bottom: 1rem;
}

/* Global Modal Styles */
.dre-modal {
    position: fixed;
    z-index: 99999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dre-modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 20px;
    border: 1px solid #888;
    width: 90%;
    max-width: 500px;
    border-radius: 8px;
    position: relative;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.dre-close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 15px;
    top: 5px;
}

.dre-close:hover,
.dre-close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.dre-input-full {
    width: 100%;
    padding: 10px;
    margin: 5px 0 15px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.dre-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}