:root {
            --sidebar-width: 270px;
            --sidebar-bg: #111827;
            --sidebar-hover: #1f2937;
            --primary-color: #2563eb;
            --body-bg: #f3f4f6;
            --card-bg: #ffffff;
            --text-main: #111827;
            --text-muted: #6b7280;
            --border-color: #e5e7eb;
            --topbar-height: 70px;
        }

        * {
            font-family: 'Inter', sans-serif;
        }

        body {
            background: var(--body-bg);
            color: var(--text-main);
            overflow-x: hidden;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--sidebar-bg);
            color: #fff;
            z-index: 1040;
            transition: all 0.3s ease;
            overflow-y: auto;
        }

        .sidebar-brand {
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            padding: 0 1.5rem;
            font-size: 1.25rem;
            font-weight: 700;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .sidebar-nav {
            padding: 1rem;
        }

        .sidebar-nav .nav-link {
            color: rgba(255,255,255,0.85);
            border-radius: 12px;
            padding: 0.85rem 1rem;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 500;
            transition: 0.2s;
        }

        .sidebar-nav .nav-link:hover,
        .sidebar-nav .nav-link.active {
            background: var(--sidebar-hover);
            color: #fff;
        }

        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            transition: all 0.3s ease;
        }

        .topbar {
            height: var(--topbar-height);
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 1.5rem;
            position: sticky;
            top: 0;
            z-index: 1030;
        }

        .content-wrapper {
            padding: 2rem;
        }

        .page-card {
            background: var(--card-bg);
            border-radius: 18px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            padding: 2rem;
            border: 1px solid var(--border-color);
        }

        .user-box {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .user-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            object-fit: cover;
        }

        .sidebar-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 1035;
        }

        @media (max-width: 991px) {
            .sidebar {
                transform: translateX(-100%);
            }

            .sidebar.show {
                transform: translateX(0);
            }

            .main-wrapper {
                margin-left: 0;
            }

            .sidebar-backdrop.show {
                display: block;
            }

            .content-wrapper {
                padding: 1rem;
            }

            .page-card {
                padding: 1.25rem;
            }
        }


        
    * {
        box-sizing: border-box;
    }

    .section-title {
        font-size: 1rem;
        font-weight: 600;
        color: #111827;
        margin-bottom: 1rem;
        padding-bottom: .75rem;
        border-bottom: 1px solid #e5e7eb;
    }

    .form-section {
        background: #fff;
        border: 1px solid #e5e7eb;
        border-radius: 16px;
        padding: 1.5rem;
        width: 100%;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

    .photo-preview {
        width: 140px;
        height: 140px;
        border-radius: 50%;
        object-fit: cover;
        border: 3px solid #e5e7eb;
        background: #f9fafb;
        display: block;
        margin: 0 auto;
    }

    .upload-box {
        border: 2px dashed #d1d5db;
        border-radius: 16px;
        padding: 1.5rem;
        text-align: center;
        background: #f9fafb;
        width: 100%;
    }

    .required::after {
        content: ' *';
        color: #dc3545;
    }

    .form-control,
    .form-select {
        border-radius: 12px;
        padding: .75rem 1rem;
        width: 100%;
    }

    input[type="file"] {
        width: 100%;
    }

    .btn-action {
        width: 100%;
        border-radius: 12px;
        padding: .75rem 1.25rem;
        font-weight: 600;
    }

    .invalid-feedback {
        display: block;
    }

    .form-check {
        padding: .5rem 0;
    }

    /* garante espaçamento vertical consistente */
    .form-section + .form-section {
        margin-top: 1.5rem;
    }

    /* corrige cards da sidebar */
    .sidebar-card {
        margin-bottom: 1.5rem;
    }

    /* mobile */
    @media (max-width: 991px) {
        .photo-preview {
            width: 110px;
            height: 110px;
        }

        .form-section {
            padding: 1rem;
        }
    }