/* ===================================================
   RESPONSIVIDADE E AJUSTES DE LAYOUT
   =================================================== */

/* Garantir que a página ocupe 100% da viewport */
html, body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* Container principal responsivo */
#main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 20px;
    width: calc(100% - var(--sidebar-width));
    max-width: 100%;
    box-sizing: border-box;
}

/* Content area responsiva */
#content {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

/* Dashboard responsivo */
.dashboard {
    width: 100%;
    max-width: 100%;
}

.dashboard-header {
    margin-bottom: 30px;
}

.dashboard-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 5px;
}

.dashboard-header p {
    color: var(--gray);
    font-size: 14px;
}

/* KPI Grid responsivo */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    width: 100%;
}

.kpi-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 15px;
    min-height: 100px;
    transition: transform 0.3s ease;
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.kpi-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.kpi-info h3 {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 8px;
}

.kpi-info .kpi-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

/* Dashboard Grid responsivo */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-top: 20px;
    width: 100%;
}

.dashboard-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.dashboard-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dashboard-card h3 i {
    color: var(--primary-color);
}

/* Chart containers com altura fixa */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
    flex: 1;
}

.chart-container-doughnut {
    position: relative;
    height: 300px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.dashboard-card canvas {
    max-width: 100% !important;
    height: 100% !important;
}

/* Summary list */
.summary-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 10px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: var(--gray-lightest);
    border-radius: 8px;
}

.summary-item span {
    font-size: 14px;
    color: var(--gray);
}

.summary-item strong {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

/* Charts responsivos */
canvas {
    max-width: 100% !important;
}

/* Desktop grande (1400px+) */
@media (min-width: 1400px) {
    .kpi-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }
    
    #main-content {
        margin-left: var(--sidebar-width);
        width: calc(100% - var(--sidebar-width));
        padding: 15px;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .dashboard-card {
        min-height: 350px;
    }
    
    .chart-container,
    .chart-container-doughnut {
        height: 280px;
    }
}

/* Mobile (até 768px) */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
        --header-height: 60px;
    }
    
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
        box-shadow: none;
        transition: transform 0.3s ease;
    }
    
    .sidebar.active {
        transform: translateX(0);
        box-shadow: 2px 0 20px rgba(0,0,0,0.3);
    }
    
    #main-content {
        margin-left: 0 !important;
        width: 100% !important;
        padding: 10px;
    }
    
    .header {
        padding: 0 15px;
    }
    
    .content {
        padding: 15px;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .kpi-card {
        padding: 15px;
        min-height: 80px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }
    
    .dashboard-card {
        padding: 15px;
        min-height: 320px;
        min-height: 250px;
    }
    
    .dashboard-header h1 {
        font-size: 24px;
    }
    
    /* Menu mobile */
    .mobile-menu-btn {
        display: block;
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 1001;
        background: var(--primary-color);
        color: white;
        border: none;
        padding: 12px 15px;
        border-radius: 8px;
        cursor: pointer;
        font-size: 20px;
    }
}

/* Desktop grande (1440px+) */
@media (min-width: 1440px) {
    #main-content {
        padding: 30px;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .dashboard-card {
        min-height: 400px;
    }
}

/* Ultra-wide (1920px+) */
@media (min-width: 1920px) {
    #main-content {
        max-width: 1800px;
        margin-left: calc(var(--sidebar-width) + ((100vw - 1800px) / 2));
        padding: 40px;
    }
    
    .kpi-grid {
        gap: 30px;
    }
    
    .dashboard-grid {
        gap: 30px;
    }
}

/* Tabelas responsivas */
.table-container {
    width: 100%;
    overflow-x: auto;
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
}

/* Formulários responsivos */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* Botões responsivos */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .btn {
        padding: 8px 15px;
        font-size: 13px;
    }
}

/* Header responsivo */
.module-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .module-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Fix para overflow */
* {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

/* Prevenir scroll horizontal */
body {
    overflow-x: hidden;
}

/* Loading spinner responsivo */
.loading {
    padding: 40px;
    text-align: center;
    font-size: 18px;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .loading {
        padding: 20px;
        font-size: 16px;
    }
}