/* ============================================================
   SISTEMA DE AVALIAÇÃO DA APRENDIZAGEM - CURAÇÁ/BA
   NÚCLEO DE AVALIAÇÃO DA APRENDIZAGEM
   CSS Premium - Tema Dinâmico Personalizável
   ============================================================ */

:root {
    --color-primary: #1e3a5f;
    --color-secondary: #2c5282;
    --color-accent: #3182ce;
    --color-success: #38a169;
    --color-warning: #d69e2e;
    --color-danger: #e53e3e;
    --color-bg: #f7fafc;
    --color-card: #ffffff;
    --color-text: #2d3748;
    --color-text-secondary: #718096;
    --border-radius: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Reset e Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scrollbar Premium */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 100px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary);
}

/* ============================================================
   HEADER PREMIUM
   ============================================================ */
.app-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-logo {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.header-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.header-subtitle {
    font-size: 12px;
    opacity: 0.8;
    font-weight: 400;
    margin-top: -2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-btn {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 8px 16px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.header-btn:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-1px);
}

/* ============================================================
   SIDEBAR NAVEGAÇÃO
   ============================================================ */
.app-sidebar {
    position: fixed;
    left: 0;
    top: 70px;
    bottom: 0;
    width: 260px;
    background: var(--color-card);
    border-right: 1px solid rgba(0,0,0,0.05);
    z-index: 900;
    overflow-y: auto;
    padding: 20px 0;
    box-shadow: var(--shadow-sm);
}

.sidebar-section {
    padding: 0 16px;
    margin-bottom: 24px;
}

.sidebar-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-text-secondary);
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin: 2px 8px;
    border-radius: 12px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    background: none;
    width: calc(100% - 16px);
    text-align: left;
}

.nav-item:hover {
    background: rgba(49, 130, 206, 0.08);
    color: var(--color-accent);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.nav-item i {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

/* ============================================================
   CONTEÚDO PRINCIPAL
   ============================================================ */
.app-main {
    margin-left: 260px;
    margin-top: 70px;
    padding: 28px;
    min-height: calc(100vh - 70px);
}

/* ============================================================
   CARDS PREMIUM
   ============================================================ */
.card {
    background: var(--color-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.04);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title i {
    color: var(--color-accent);
    font-size: 20px;
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    background: rgba(0,0,0,0.02);
    border-top: 1px solid rgba(0,0,0,0.05);
}

/* ============================================================
   CARDS DE MÉTRICAS (KPIs)
   ============================================================ */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.kpi-card {
    background: var(--color-card);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.kpi-card.success::before { background: linear-gradient(90deg, var(--color-success), #48bb78); }
.kpi-card.warning::before { background: linear-gradient(90deg, var(--color-warning), #ecc94b); }
.kpi-card.danger::before { background: linear-gradient(90deg, var(--color-danger), #fc8181); }
.kpi-card.info::before { background: linear-gradient(90deg, var(--color-accent), #63b3ed); }

.kpi-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.kpi-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.2;
    letter-spacing: -1px;
}

.kpi-change {
    font-size: 13px;
    font-weight: 600;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.kpi-change.positive { color: var(--color-success); }
.kpi-change.negative { color: var(--color-danger); }

.kpi-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    opacity: 0.15;
}

/* ============================================================
   GRÁFICOS E VISUALIZAÇÕES
   ============================================================ */
.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
}

.chart-container-sm {
    height: 280px;
}

.progress-ring {
    position: relative;
    width: 120px;
    height: 120px;
}

.progress-ring svg {
    transform: rotate(-90deg);
}

.progress-ring-bg {
    fill: none;
    stroke: rgba(0,0,0,0.05);
    stroke-width: 8;
}

.progress-ring-fill {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease;
}

.progress-ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: 800;
    color: var(--color-text);
}

/* Barra de progresso animada */
.progress-bar {
    height: 8px;
    background: rgba(0,0,0,0.06);
    border-radius: 100px;
    overflow: hidden;
    margin-top: 8px;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 100px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
}

/* ============================================================
   TABELAS PREMIUM
   ============================================================ */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
}

.data-table thead th {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: 14px 16px;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    white-space: nowrap;
}

.data-table thead th:first-child {
    border-radius: var(--border-radius) 0 0 0;
}

.data-table thead th:last-child {
    border-radius: 0 var(--border-radius) 0 0;
}

.data-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    color: var(--color-text);
}

.data-table tbody tr:hover td {
    background: rgba(49, 130, 206, 0.03);
}

.data-table tbody tr:last-child td:first-child {
    border-radius: 0 0 0 var(--border-radius);
}

.data-table tbody tr:last-child td:last-child {
    border-radius: 0 0 var(--border-radius) 0;
}

/* Badges de status */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success { background: rgba(56, 161, 105, 0.12); color: var(--color-success); }
.badge-warning { background: rgba(214, 158, 46, 0.12); color: var(--color-warning); }
.badge-danger { background: rgba(229, 62, 62, 0.12); color: var(--color-danger); }
.badge-info { background: rgba(49, 130, 206, 0.12); color: var(--color-accent); }
.badge-neutral { background: rgba(0,0,0,0.05); color: var(--color-text-secondary); }

/* ============================================================
   FILTROS E CONTROLES
   ============================================================ */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--color-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 180px;
}

.filter-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-select, .filter-input {
    padding: 10px 14px;
    border: 2px solid rgba(0,0,0,0.08);
    border-radius: 10px;
    font-size: 14px;
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-card);
    transition: var(--transition);
    outline: none;
}

.filter-select:focus, .filter-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(49, 130, 206, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(49, 130, 206, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, #48bb78 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(56, 161, 105, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-danger) 0%, #fc8181 100%);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: white;
}

/* ============================================================
   COMPARAÇÃO LADO A LADO
   ============================================================ */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 28px;
}

.comparison-card {
    background: var(--color-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 2px solid transparent;
    transition: var(--transition);
}

.comparison-card:hover {
    border-color: var(--color-accent);
}

.comparison-header {
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.comparison-body {
    padding: 20px;
}

/* ============================================================
   UPLOAD DE ARQUIVOS
   ============================================================ */
.upload-zone {
    border: 3px dashed rgba(49, 130, 206, 0.3);
    border-radius: var(--border-radius);
    padding: 48px 32px;
    text-align: center;
    background: rgba(49, 130, 206, 0.02);
    transition: var(--transition);
    cursor: pointer;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--color-accent);
    background: rgba(49, 130, 206, 0.06);
    transform: scale(1.01);
}

.upload-zone i {
    font-size: 48px;
    color: var(--color-accent);
    margin-bottom: 16px;
    opacity: 0.6;
}

.upload-zone h3 {
    font-size: 18px;
    color: var(--color-text);
    margin-bottom: 8px;
}

.upload-zone p {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ============================================================
   MODAL E OVERLAYS
   ============================================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--color-danger);
    transform: rotate(90deg);
}

/* ============================================================
   ANIMAÇÕES
   ============================================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.animate-slide-in {
    animation: slideIn 0.4s ease forwards;
}

/* Stagger animation para listas */
.stagger-item {
    opacity: 0;
    animation: fadeIn 0.4s ease forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 1024px) {
    .app-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .app-sidebar.open {
        transform: translateX(0);
    }
    .app-main {
        margin-left: 0;
    }
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    .filter-bar {
        flex-direction: column;
    }
    .header-title {
        font-size: 14px;
    }
    .app-main {
        padding: 16px;
    }
}

/* ============================================================
   TEMAS ESPECIAIS
   ============================================================ */
/* Tema Escuro */
[data-theme="dark"] {
    --color-bg: #1a202c;
    --color-card: #2d3748;
    --color-text: #f7fafc;
    --color-text-secondary: #a0aec0;
}

/* Tema Quadrado */
[data-shape="square"] {
    --border-radius: 4px;
}

/* Tema Redondo */
[data-shape="rounded"] {
    --border-radius: 24px;
}

/* Tema Ultra Redondo */
[data-shape="pill"] {
    --border-radius: 50px;
}