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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* Container principal */
.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: linear-gradient(180deg, #4A148C 0%, #6A1B9A 100%);
    color: white;
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px 30px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

.logo i {
    font-size: 24px;
    color: #FFD700;
}

.logo span {
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 1px;
}

.nav-menu ul {
    list-style: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background-color: rgba(255,255,255,0.1);
    border-left-color: #FFD700;
}

.nav-item.active {
    background-color: rgba(255,255,255,0.15);
    border-left-color: #FFD700;
}

.nav-item i {
    font-size: 16px;
    width: 20px;
}

.nav-item span {
    font-size: 14px;
}

/* Conteúdo principal */
.main-content {
    flex: 1;
    margin-left: 250px;
    background-color: #fff;
    min-height: 100vh;
}

/* Header */
.header {
    background-color: #fff;
    padding: 20px 30px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.greeting {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}

.greeting i {
    color: #FFB300;
    font-size: 18px;
}

.date {
    color: #666;
    font-size: 14px;
}

.help-btn {
    background: none;
    border: none;
    color: #4A148C;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.help-btn:hover {
    background-color: #f0f0f0;
    transform: scale(1.1);
}

/* Container do formulário */
.form-container {
    padding: 30px;
    max-width: 1200px;
}

.form-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
    font-weight: 600;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 30px;
    border-bottom: 2px solid #e0e0e0;
}

.tab-btn {
    background: none;
    border: none;
    padding: 12px 20px;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    border-radius: 8px 8px 0 0;
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn:hover {
    background-color: #f5f5f5;
    color: #333;
}

.tab-btn.active {
    background-color: #4A148C;
    color: white;
    font-weight: 600;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #4A148C;
}

/* Conteúdo das tabs */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Formulário */
.form {
    background-color: #fff;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.form-group {
    flex: 1;
    min-width: 250px;
}

.form-group.full-width {
    flex: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4A148C;
    box-shadow: 0 0 0 3px rgba(74, 20, 140, 0.1);
}

.form-group input[type="file"] {
    padding: 8px 12px;
    border: 2px dashed #e0e0e0;
    background-color: #fafafa;
}

.form-group input[type="file"]:hover {
    border-color: #4A148C;
    background-color: #f5f3ff;
}

/* Radio buttons */
.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 8px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
}

.radio-label input[type="radio"] {
    width: auto;
    margin: 0;
}

/* Botões de ação */
.form-actions {
    margin-top: 40px;
    display: flex;
    gap: 15px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

.btn-primary {
    background-color: #2196F3;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(33, 150, 243, 0.3);
}

.btn-primary:hover {
    background-color: #1976D2;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(33, 150, 243, 0.4);
}

.btn-secondary {
    background-color: #757575;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #616161;
    transform: translateY(-2px);
}

/* Responsividade */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 15px 0;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .form-container {
        padding: 20px 15px;
    }
    
    .form-title {
        font-size: 24px;
    }
    
    .tabs {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .tab-btn {
        padding: 10px 15px;
        font-size: 12px;
        flex: 1;
        min-width: 120px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 15px;
    }
    
    .form-group {
        min-width: auto;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .logo span {
        font-size: 14px;
    }
    
    .nav-item {
        padding: 12px 15px;
    }
    
    .nav-item span {
        font-size: 13px;
    }
    
    .form-container {
        padding: 15px 10px;
    }
    
    .form-title {
        font-size: 20px;
    }
    
    .tab-btn {
        padding: 8px 10px;
        font-size: 11px;
        min-width: 100px;
    }
}

/* Animações e efeitos */
.form-group input:valid {
    border-color: #4CAF50;
}

.form-group input:invalid:not(:focus):not(:placeholder-shown) {
    border-color: #f44336;
}

/* Loading state */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #4A148C;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Melhorias de acessibilidade */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid #4A148C;
    outline-offset: 2px;
}

/* Estilos para campos obrigatórios */
.form-group label[for*="required"]::after,
.form-group label:has(+ input[required])::after,
.form-group label:has(+ select[required])::after {
    content: ' *';
    color: #f44336;
    font-weight: bold;
}