/* ===========================================================  
   SISTEMA DE DESIGN PADRONIZADO E RESPONSIVO - Planeja Prof
   Versão 4.0 - Totalmente Responsivo
   =========================================================== */  

/* =====================================================
   VARIÁVEIS CSS - DESIGN SYSTEM
   ===================================================== */
:root {
    /* Cores Principais */
    --primary-color: #4361ee;
    --primary-dark: #3a0ca3;
    --primary-light: #5a6fd8;
    --secondary-color: #3a0ca3;
    --accent-color: #7209b7;
    --success-color: #4cc9f0;
    --warning-color: #f72585;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Cores Neutras */
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
    --gray-light: #e9ecef;
    --gray-dark: #495057;
    --white: #ffffff;
    --black: #000000;
    
    /* Backgrounds */
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-dark: #1a1d29;
    
    /* Bordas e Sombras */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 9999px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --box-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --box-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
    --box-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.15);
    
    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    
    /* Tipografia */
    --font-family: 'Poppins', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem; /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Breakpoints (para uso em JavaScript se necessário) */
    --breakpoint-xs: 360px;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-2xl: 1400px;
}

/* =====================================================
   RESET E BASE
   ===================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--dark-color);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =====================================================
   NAVBAR - TOTALMENTE RESPONSIVA
   ===================================================== */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    width: 100%;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    gap: var(--spacing-md);
}

.navbar-logo {
    color: var(--white);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
    transition: var(--transition);
}

.navbar-logo:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.navbar-logo i {
    font-size: var(--font-size-2xl);
}

/* Menu */
.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    margin: 0;
    padding: 0;
    align-items: center;
    flex-wrap: wrap;
}

.navbar-item {
    position: relative;
}

.dropdown {
    position: relative;
}

/* Links */
.navbar-link {
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
    font-size: var(--font-size-sm);
}

.navbar-link i {
    font-size: var(--font-size-base);
}

.navbar-link:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.navbar-link.active {
    background: rgba(255, 255, 255, 0.22);
}

/* Hambúrguer */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: var(--spacing-sm);
    width: 40px;
    height: 40px;
    justify-content: center;
    align-items: center;
}

.navbar-toggle span {
    width: 24px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
    display: block;
}

.navbar-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Dropdown Desktop */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--white);
    padding: var(--spacing-sm) 0;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: var(--z-dropdown);
    margin-top: var(--spacing-xs);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--dark-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
    border-left: 3px solid transparent;
}

.dropdown-item:hover {
    background: var(--light-color);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    padding-left: calc(var(--spacing-lg) - 3px);
}

.dropdown-divider {
    height: 1px;
    margin: var(--spacing-sm) 0;
    background-color: var(--gray-light);
    border: none;
    display: block;
}

/* =====================================================
   RESPONSIVIDADE NAVBAR - MOBILE
   ===================================================== */
@media (max-width: 992px) {
    .navbar-toggle {
        display: flex;
    }
    
    .navbar-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        gap: 0;
        background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: var(--box-shadow-md);
        align-items: stretch;
    }
    
    .navbar-menu.active {
        max-height: 600px;
        padding: var(--spacing-md) 0;
    }
    
    .navbar-link {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
        justify-content: flex-start;
    }
    
    /* Dropdown Mobile */
    .dropdown:hover .dropdown-menu {
        display: none;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        transform: none;
        opacity: 1;
        visibility: visible;
        padding: 0;
        display: none;
        background: rgba(255, 255, 255, 0.1);
        margin: 0;
        border-radius: 0;
    }
    
    .dropdown.active > .dropdown-menu {
        display: block !important;
    }
    
    .dropdown-item {
        padding: var(--spacing-md) var(--spacing-2xl);
        color: var(--white);
        border-left: none;
    }
    
    .dropdown-item:hover {
        background: rgba(255, 255, 255, 0.15);
        color: var(--white);
        padding-left: var(--spacing-2xl);
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .navbar-logo {
        font-size: var(--font-size-lg);
    }
    
    .navbar-logo i {
        font-size: var(--font-size-xl);
    }
}

/* =====================================================
   CONTAINERS E LAYOUT
   ===================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    width: 100%;
}

@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .container {
        padding: var(--spacing-sm);
    }
}

/* =====================================================
   TIPOGRAFIA
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
}

h1 {
    font-size: var(--font-size-4xl);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-lg);
}

h1:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-color);
}

@media (max-width: 768px) {
    h1 {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-lg);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    h3 {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: var(--font-size-2xl);
        padding-bottom: var(--spacing-md);
    }
    
    h2 {
        font-size: var(--font-size-xl);
    }
    
    h3 {
        font-size: var(--font-size-lg);
    }
}

/* =====================================================
   CARDS
   ===================================================== */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: var(--transition);
    border-top: 3px solid var(--primary-color);
}

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

@media (max-width: 576px) {
    .card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
}

/* =====================================================
   FORMULÁRIOS
   ===================================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--dark-color);
    font-size: var(--font-size-sm);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: var(--white);
    color: var(--dark-color);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
    background: var(--white);
}

.form-control::placeholder {
    color: var(--gray-color);
    opacity: 0.6;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236c757d' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 16px 12px;
    padding-right: calc(var(--spacing-md) + 20px);
}

.form-select:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%234361ee' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
}

@media (max-width: 576px) {
    .form-control,
    .form-select {
        font-size: var(--font-size-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* =====================================================
   BOTÕES
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    min-width: 44px;
    min-height: 44px;
    font-family: inherit;
    white-space: nowrap;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-md);
    color: var(--white);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    min-height: 36px;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
    min-height: 52px;
}

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

.btn-success:hover {
    background: #3ab7dc;
}

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-warning:hover {
    background: #e01e79;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: none;
}

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

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

.btn-secondary:hover {
    background: var(--gray-dark);
}

@media (max-width: 576px) {
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
        min-height: 40px;
    }
    
    .btn-block {
        width: 100%;
    }
}

/* =====================================================
   TABELAS
   ===================================================== */
.table-container {
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    background: var(--white);
    min-width: 600px;
}

.table th,
.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-light);
    text-align: left;
}

.table th {
    background: var(--primary-color);
    color: var(--white);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--font-weight-semibold);
    position: sticky;
    top: 0;
    z-index: 10;
}

.table tbody tr {
    transition: var(--transition-fast);
}

.table tbody tr:nth-child(even) {
    background: var(--light-color);
}

.table tbody tr:hover {
    background: rgba(67, 97, 238, 0.05);
}

.table td:last-child {
    text-align: center;
}

@media (max-width: 768px) {
    .table {
        font-size: var(--font-size-xs);
        min-width: 500px;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 576px) {
    .table th,
    .table td {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
}

/* =====================================================
   BADGES E STATUS
   ===================================================== */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1;
}

.badge-success {
    background: rgba(76, 201, 240, 0.15);
    color: var(--success-color);
}

.badge-danger {
    background: rgba(247, 37, 133, 0.15);
    color: var(--warning-color);
}

.badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info-color);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.aprovado {
    color: var(--success-color);
    font-weight: var(--font-weight-semibold);
}

.reprovado {
    color: var(--warning-color);
    font-weight: var(--font-weight-semibold);
}

/* =====================================================
   ALERTAS
   ===================================================== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    position: relative;
    border-left: 4px solid transparent;
    transition: var(--transition);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-success {
    background: rgba(76, 201, 240, 0.1);
    border-left-color: var(--success-color);
    color: #0c7489;
}

.alert-danger {
    background: rgba(247, 37, 133, 0.1);
    border-left-color: var(--warning-color);
    color: #9e1655;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: var(--info-color);
    color: #0c5460;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-left-color: #f59e0b;
    color: #856404;
}

.alert-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    cursor: pointer;
    font-size: var(--font-size-xl);
    opacity: 0.7;
    transition: var(--transition-fast);
    background: none;
    border: none;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-close:hover {
    opacity: 1;
}

@media (max-width: 576px) {
    .alert {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* =====================================================
   LOGIN / REGISTRO
   ===================================================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: var(--spacing-lg);
}

.auth-card {
    width: 100%;
    max-width: 450px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
    overflow: hidden;
    animation: fadeIn 0.5s ease;
}

.auth-header {
    padding: var(--spacing-2xl);
    text-align: center;
    background: var(--light-color);
    border-bottom: 1px solid var(--gray-light);
}

.auth-logo {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    color: var(--gray-color);
    font-size: var(--font-size-sm);
}

.auth-body {
    padding: var(--spacing-2xl);
}

.auth-footer {
    padding: var(--spacing-lg) var(--spacing-2xl);
    text-align: center;
    background: var(--light-color);
    border-top: 1px solid var(--gray-light);
}

.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.auth-link:hover {
    text-decoration: underline;
}

@media (max-width: 576px) {
    .auth-page {
        padding: var(--spacing-md);
    }
    
    .auth-header,
    .auth-body,
    .auth-footer {
        padding: var(--spacing-lg);
    }
}

/* =====================================================
   DASHBOARD CARDS
   ===================================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.dashboard-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-lg);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
}

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

.dashboard-card-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
    font-size: var(--font-size-3xl);
}

.dashboard-card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
}

.dashboard-card-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.dashboard-card-description {
    color: var(--gray-color);
    font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-card {
        padding: var(--spacing-md);
    }
    
    .dashboard-card-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-2xl);
    }
    
    .dashboard-card-value {
        font-size: var(--font-size-3xl);
    }
}

/* =====================================================
   GRÁFICOS
   ===================================================== */
.chart-container {
    position: relative;
    margin: var(--spacing-lg) auto var(--spacing-2xl);
    height: 400px;
    width: 100%;
    max-width: 800px;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.line-container {
    position: relative;
    margin: var(--spacing-sm) auto var(--spacing-xl);
    height: 400px;
    width: 100%;
    max-width: 800px;
}

@media (max-width: 768px) {
    .chart-container,
    .line-container {
        height: 300px;
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-xl);
    }
}

@media (max-width: 576px) {
    .chart-container,
    .line-container {
        height: 250px;
        padding: var(--spacing-sm);
    }
}

/* =====================================================
   ANIMAÇÕES
   ===================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.4s ease;
}

.loader {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-light);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: var(--spacing-lg) auto;
}

@keyframes spin {
    0% {
        transform: rotate(0);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* =====================================================
   UTILITÁRIOS
   ===================================================== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.d-flex {
    display: flex;
}

.flex-column {
    flex-direction: column;
}

.justify-content-center {
    justify-content: center;
}

.align-items-center {
    align-items: center;
}

.flex-wrap {
    flex-wrap: wrap;
}

.w-100 {
    width: 100%;
}

.h-100 {
    height: 100%;
}

/* Margens */
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

/* Paddings */
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

/* =====================================================
   DASHBOARD MODERNO (Mantido do original)
   ===================================================== */
.dashboard-container {
    min-height: calc(100vh - 80px);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-xl) 0;
}

.dashboard-header {
    max-width: 1400px;
    margin: 0 auto var(--spacing-2xl);
    padding: 0 var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.welcome-section {
    flex: 1;
    min-width: 300px;
}

.welcome-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--white);
    margin: 0 0 var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.welcome-icon {
    color: #ffd700;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.welcome-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin: 0 0 var(--spacing-md) 0;
    font-weight: var(--font-weight-light);
}

.current-time {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.current-time .time {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.current-time .date {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    text-transform: capitalize;
}

.quick-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.quick-action-btn {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

.quick-action-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Stats Grid */
.stats-grid {
    max-width: 1400px;
    margin: 0 auto var(--spacing-2xl);
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.stat-card-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    color: var(--white);
    flex-shrink: 0;
}

.stat-card-turmas .stat-card-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.stat-card-alunos .stat-card-icon {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.stat-card-componentes .stat-card-icon {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.stat-card-documentos .stat-card-icon {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.stat-card-content {
    flex: 1;
}

.stat-card-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.stat-card-title {
    font-size: var(--font-size-lg);
    color: var(--gray-color);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

.stat-card-change {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: #10b981;
    font-weight: var(--font-weight-medium);
}

.stat-card-change i {
    font-size: var(--font-size-xs);
}

/* Dashboard Main Grid */
.dashboard-main-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.dashboard-left-column,
.dashboard-right-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Dashboard Cards */
.dashboard-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
    transition: var(--transition);
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.card-header h2 {
    margin: 0;
    color: var(--white);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.card-header h2 i {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

.chart-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.control-group label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
    font-weight: var(--font-weight-medium);
}

.chart-select {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    outline: none;
}

.chart-select option {
    background: var(--primary-color);
    color: var(--white);
}

.chart-container {
    padding: var(--spacing-xl);
    height: 400px;
    position: relative;
}

/* Approval Stats */
.approval-stats {
    padding: var(--spacing-lg);
}

.approval-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.approval-item:last-child {
    margin-bottom: 0;
}

.approval-label {
    min-width: 120px;
    font-weight: var(--font-weight-medium);
    color: var(--dark-color);
}

.approval-bar {
    flex: 1;
    height: 8px;
    background: var(--gray-light);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.approval-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #34d399);
    border-radius: 4px;
    transition: width 1s ease;
}

.approval-value {
    min-width: 50px;
    text-align: right;
    font-weight: var(--font-weight-bold);
    color: #10b981;
    font-size: var(--font-size-lg);
}

/* Top Students */
.top-students-list {
    padding: var(--spacing-lg);
}

.turma-group {
    margin-bottom: var(--spacing-lg);
}

.turma-group:last-child {
    margin-bottom: 0;
}

.turma-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

.students-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.student-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--light-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.student-item:hover {
    background: var(--gray-light);
    transform: translateX(5px);
}

.student-rank {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.rank-1 {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
}

.rank-2 {
    background: linear-gradient(135deg, #c0c0c0, #e5e5e5);
}

.rank-3 {
    background: linear-gradient(135deg, #cd7f32, #daa520);
}

.student-info {
    flex: 1;
}

.student-name {
    font-weight: var(--font-weight-medium);
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.student-average {
    font-size: var(--font-size-sm);
    color: var(--gray-color);
    font-weight: var(--font-weight-semibold);
}

/* Activities */
.activities-list {
    padding: var(--spacing-lg);
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-light);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.activity-turma {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.activity-documento {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.activity-desc {
    font-size: var(--font-size-sm);
    color: var(--gray-color);
    margin-bottom: var(--spacing-sm);
}

.activity-time {
    font-size: var(--font-size-xs);
    color: var(--gray-color);
    font-weight: var(--font-weight-medium);
}

/* Animações */
.animate-in {
    animation: slideInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

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

/* Responsividade Dashboard */
@media (max-width: 1200px) {
    .dashboard-main-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-left-column,
    .dashboard-right-column {
        order: 0;
    }
}

@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
    
    .welcome-title {
        font-size: var(--font-size-3xl);
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .quick-actions {
        justify-content: center;
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-lg);
        flex-direction: column;
        text-align: center;
    }
    
    .stat-card-value {
        font-size: var(--font-size-3xl);
    }
    
    .chart-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .control-group {
        justify-content: space-between;
    }
    
    .chart-container {
        height: 300px;
        padding: var(--spacing-md);
    }
    
    .dashboard-main-grid {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .dashboard-container {
        padding: var(--spacing-md) 0;
    }
    
    .welcome-title {
        font-size: var(--font-size-2xl);
    }
    
    .welcome-subtitle {
        font-size: var(--font-size-base);
    }
    
    .quick-action-btn {
        width: 100%;
        justify-content: center;
    }
    
    .stat-card-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-2xl);
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .chart-container {
        height: 250px;
        padding: var(--spacing-sm);
    }
}

/* =====================================================
   COMPONENTES ESPECÍFICOS DO SISTEMA
   (Mantidos do original com melhorias responsivas)
   ===================================================== */

/* Médias por Turma */
.turmas-media-section {
    margin: var(--spacing-lg) 0;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-light);
}

.section-header h2 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--dark-color);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.section-header p {
    margin: 0;
    color: var(--gray-color);
    font-size: var(--font-size-sm);
}

.turmas-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    align-items: stretch;
}

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

.turma-media-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 160px;
}

.turma-media-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.turma-media-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.turma-media-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.turma-media-header h3 {
    margin: 0;
    color: var(--dark-color);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    flex: 1;
    line-height: 1.2;
    word-wrap: break-word;
    overflow-wrap: break-word;
    min-width: 0;
}

.turma-media-geral {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
    min-width: 80px;
}

.media-label {
    font-size: var(--font-size-xs);
    color: var(--gray-color);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    line-height: 1;
}

.media-value {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    padding: 4px var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    background: rgba(67, 97, 238, 0.1);
    white-space: nowrap;
    text-align: center;
    min-width: 55px;
    line-height: 1.2;
}

.media-value.media-alta {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.media-value.media-media {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
}

.media-value.media-baixa {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.turma-media-details {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--border-radius-sm);
    flex: 1;
    min-height: 60px;
}

.media-detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.detail-label {
    font-size: var(--font-size-xs);
    color: var(--gray-color);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    line-height: 1.2;
}

.detail-value {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--dark-color);
    white-space: nowrap;
    line-height: 1.3;
}

.turma-media-progress {
    margin-top: auto;
    padding-top: var(--spacing-sm);
    flex-shrink: 0;
}

.progress-bar {
    width: 100%;
    height: 5px;
    background: var(--gray-light);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* Ranking Filter */
.rank-filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.rank-filter label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--white);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.rank-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.rank-select:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
}

.rank-select:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.rank-select option {
    background: var(--primary-color);
    color: var(--white);
}

.student-rank .rank-number {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-color);
}

/* Approval Stats Highlight */
.approval-item-highlight {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(58, 12, 163, 0.1));
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    border: 2px solid rgba(67, 97, 238, 0.3);
}

.approval-item-highlight .approval-label {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.approval-fill-highlight {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    height: 12px;
}

.approval-value-highlight {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.approval-value-highlight small {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-normal);
    color: var(--gray-color);
    margin-top: var(--spacing-xs);
}

/* Mensagens quando não há dados */
.no-data-message {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    color: var(--gray-color);
}

.no-data-message i {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
    color: var(--gray-light);
    display: block;
}

.no-data-message p {
    margin: 0;
    font-size: var(--font-size-base);
    font-style: italic;
}

.no-data-message-filter {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--gray-color);
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
}

.no-data-message-filter i {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--gray-light);
    display: block;
}

.no-data-message-filter p {
    margin: 0;
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* =====================================================
   MODAL
   ===================================================== */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal-content {
    background-color: var(--white);
    margin: auto;
    padding: 0;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    box-shadow: var(--box-shadow-lg);
    animation: modalSlideIn 0.3s ease-out;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    background: linear-gradient(135deg, var(--warning-color), #e91e63);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: var(--white);
    font-size: var(--font-size-2xl);
}

.modal-header h3:after {
    display: none;
}

.close {
    color: var(--white);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    line-height: 1;
    transition: opacity 0.2s;
    background: none;
    border: none;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close:hover {
    opacity: 0.7;
}

.modal-body {
    padding: var(--spacing-xl);
    color: var(--dark-color);
}

.modal-body p {
    margin-bottom: var(--spacing-md);
}

.modal-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--gray-light);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.modal-footer .btn {
    min-width: 120px;
}

@media (max-width: 768px) {
    .modal.active {
        padding: var(--spacing-md);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-lg) auto;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-md);
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
        min-width: auto;
    }
}

/* =====================================================
   FORM INLINE
   ===================================================== */
.form-inline {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.form-inline .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 250px;
}

.form-inline .form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--dark-color);
    font-size: var(--font-size-sm);
}

.form-inline .form-control {
    width: 100%;
    min-width: 250px;
    max-width: 400px;
}

@media (max-width: 768px) {
    .form-inline {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .form-inline .form-group {
        min-width: auto;
        flex: none;
    }
    
    .form-inline .form-control {
        min-width: auto;
        max-width: none;
    }
}

/* =====================================================
   MELHORIAS ESPECÍFICAS PARA PÁGINAS
   ===================================================== */

/* Página de GEA */
.gea-container {
    min-height: calc(100vh - 80px);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 0;
}

.gea-header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.header-text {
    flex: 1;
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--white);
    margin: 0 0 var(--spacing-md) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.page-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin: 0;
    font-weight: var(--font-weight-light);
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        padding: 0 var(--spacing-md);
    }
    
    .page-title {
        font-size: var(--font-size-3xl);
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .header-actions {
        justify-content: center;
        width: 100%;
    }
}

/* Formulário GEA */
.gea-form-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: var(--spacing-2xl);
    overflow: hidden;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-2xl);
}

.gea-form {
    padding: 0;
}

.form-section {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-light);
}

.form-section:last-child {
    border-bottom: none;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

@media (max-width: 768px) {
    .gea-form-container {
        margin: 0 var(--spacing-md) var(--spacing-xl);
    }
    
    .form-section {
        padding: var(--spacing-lg);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* Descritores */
.descritores-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

@media (max-width: 992px) {
    .descritores-container {
        grid-template-columns: 1fr;
    }
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    min-height: 50px;
    padding: var(--spacing-md);
    border: 2px dashed var(--gray-light);
    border-radius: var(--border-radius-sm);
    background: var(--light-color);
}

.descritor-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition);
}

.descritor-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.descritor-tag i {
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.descritor-tag i:hover {
    opacity: 1;
}

/* =====================================================
   MELHORIAS GERAIS DE ACESSIBILIDADE
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible para acessibilidade */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

/* Print styles */
@media print {
    .navbar,
    .btn,
    .quick-actions,
    .header-actions {
        display: none !important;
    }
    
    .container,
    .card {
        box-shadow: none;
        border: 1px solid var(--gray-light);
    }
}