:root {
            --bg: #f3f4f6;
            --card: #ffffff;
            --text: #111827;
            --muted: #6b7280;
            --border: #e5e7eb;
            --primary: #3d5a73;
            --primary-hover: #31485d;
            --success-bg: #dcfce7;
            --success-text: #166534;
            --warning-bg: #fef3c7;
            --warning-text: #92400e;
            --danger-bg: #fee2e2;
            --danger-text: #991b1b;
            --info-bg: #dbeafe;
            --info-text: #31485d;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --nav-bg: #1c2632;
            --nav-hover: #263546;
            --nav-text: #f9fafb;
            --nav-muted: #d1d5db;
            --focus: #7f9bb5;
            --btn-industrial: #3f566d;
            --btn-industrial-hover: #33485c;
            --btn-danger: #8f4a4f;
            --btn-danger-hover: #7a3f44;
        }

        html[data-theme="industrial-blue"] {
            --bg: #f3f4f6;
            --card: #ffffff;
            --text: #111827;
            --muted: #6b7280;
            --border: #e5e7eb;
            --primary: #3d5a73;
            --primary-hover: #31485d;
            --nav-bg: #1c2632;
            --nav-hover: #263546;
            --nav-text: #f9fafb;
            --nav-muted: #d1d5db;
            --btn-industrial: #3f566d;
            --btn-industrial-hover: #33485c;
            --btn-danger: #8f4a4f;
            --btn-danger-hover: #7a3f44;
            --focus: #7f9bb5;
        }

        html[data-theme="earth-drill"] {
            --bg: #f4f2ec;
            --card: #ffffff;
            --text: #213028;
            --muted: #657066;
            --border: #ddd6c8;
            --primary: #59684d;
            --primary-hover: #49573f;
            --nav-bg: #2d392e;
            --nav-hover: #394a3b;
            --nav-text: #f3f7f1;
            --nav-muted: #c9d3c3;
            --btn-industrial: #5f704d;
            --btn-industrial-hover: #4f5d40;
            --btn-danger: #8f5a4b;
            --btn-danger-hover: #7a4d40;
            --focus: #8aa08b;
        }

        html[data-theme="graphite-tech"] {
            --bg: #f4f7fb;
            --card: #ffffff;
            --text: #0f172a;
            --muted: #5f6b81;
            --border: #d4dce8;
            --primary: #4a617f;
            --primary-hover: #3b4e67;
            --nav-bg: #1b2533;
            --nav-hover: #263447;
            --nav-text: #edf3ff;
            --nav-muted: #c5d3eb;
            --btn-industrial: #4c637f;
            --btn-industrial-hover: #3f536b;
            --btn-danger: #86515f;
            --btn-danger-hover: #724552;
            --focus: #8ea7c5;
        }

        html[data-theme="sandstone"] {
            --bg: #f8f2e8;
            --card: #ffffff;
            --text: #33261d;
            --muted: #756154;
            --border: #e4d6c4;
            --primary: #8b6d52;
            --primary-hover: #735942;
            --nav-bg: #3e3329;
            --nav-hover: #524438;
            --nav-text: #fff6ec;
            --nav-muted: #e7d7c6;
            --btn-industrial: #8f7255;
            --btn-industrial-hover: #776046;
            --btn-danger: #8c5a4b;
            --btn-danger-hover: #754b3f;
            --focus: #b79a7f;
        }

        * {
            box-sizing: border-box;
        }

        html,
        body {
            margin: 0;
            padding: 0;
            min-height: 100%;
        }

        body {
            font-family: Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
        }

        .navbar {
            position: sticky;
            top: 0;
            z-index: 3000;
            background: var(--nav-bg);
            color: var(--nav-text);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .navbar-inner {
            max-width: 1400px;
            margin: 0 auto;
            min-height: 64px;
            padding: 0 44px 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .navbar-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: white;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.15rem;
            padding: 10px 14px;
            border-radius: 10px;
            white-space: nowrap;
        }

        .navbar-logo:hover {
            background: var(--nav-hover);
        }

        .navbar-logo img {
            width: 34px;
            height: 34px;
            object-fit: contain;
        }

        .menu-toggle {
            display: none;
            font-size: 22px;
            cursor: pointer;
            color: white;
            background: transparent;
            border: none;
            padding: 6px 10px;
            border-radius: 8px;
            line-height: 1;
        }

        .menu-toggle:hover {
            background: var(--nav-hover);
        }

        .nav-center {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            flex-grow: 1;
            justify-content: center;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 14px;
            border-radius: 10px;
            background: transparent;
            color: var(--nav-text);
            text-decoration: none;
            font-weight: 600;
            cursor: pointer;
            border: none;
            font-size: 14px;
            white-space: nowrap;
        }

        .nav-link:hover,
        .nav-item:hover > .nav-link {
            background: var(--nav-hover);
        }

        .dropdown {
            position: absolute;
            top: calc(100% + 4px);
            left: 0;
            min-width: 220px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            box-shadow: var(--shadow);
            padding: 10px 0;
            display: none;
            z-index: 3100;
        }

        .dropdown-right {
            left: auto;
            right: 0;
            min-width: 180px;
        }

        .dropdown-user {
            left: 0;
            right: auto;
            min-width: 180px;
        }

        .nav-item.open > .dropdown {
            display: block;
        }

        .dropdown a {
            display: block;
            text-decoration: none;
            color: var(--text);
            padding: 10px 16px;
            border-radius: 0;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background 0.2s;
        }

        .dropdown a:hover {
            background: var(--bg);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            white-space: nowrap;
            margin-right: 36px;
        }

        .theme-picker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 10px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
        }

        .theme-picker__label {
            font-size: 12px;
            color: var(--nav-muted);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .theme-picker__select {
            min-height: 32px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.12);
            color: var(--nav-text);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 8px;
            outline: none;
        }

        .theme-picker__select:focus {
            border-color: var(--focus);
            box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
        }

        .theme-picker__select option {
            color: #111827;
            background: #ffffff;
        }

        .user-box {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--nav-text);
            border: none;
            cursor: pointer;
            text-align: left;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            min-height: 48px;
        }

        .user-box:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .user-label {
            font-size: 12px;
            color: var(--nav-muted);
            display: block;
            margin-bottom: 2px;
        }

        .user-name {
            font-size: 14px;
            font-weight: 700;
            line-height: 1.2;
        }

        .content-wrap {
            max-width: 1400px;
            margin: 0 auto;
            padding: 24px 20px 40px;
            width: 100%;
        }

        /* Layout unificado: evitar blocos estreitos centrados dentro do conteúdo */
        .content-wrap .container.mx-auto {
            max-width: 100% !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            padding-left: 0 !important;
            padding-right: 0 !important;
        }

        .content-wrap [class*="max-w-"][class*="mx-auto"] {
            max-width: 100% !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }

        .sf-page {
            display: grid;
            gap: 24px;
        }

        .sf-panel {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: var(--shadow);
            padding: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 12px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: 0.2s;
        }

        .btn-primary {
            background: #2563eb;
            color: white;
        }

        .btn-primary:hover {
            background: #1d4ed8;
        }

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

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

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

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

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

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

        /* Normalize Tailwind utility-colored buttons to a more professional palette */
        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-green-"],
        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-emerald-"],
        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-blue-"],
        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-sky-"],
        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-cyan-"],
        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-indigo-"],
        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-yellow-"],
        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-amber-"],
        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-orange-"] {
            background: var(--btn-industrial) !important;
            border-color: var(--btn-industrial) !important;
            color: #ffffff !important;
        }

        :is(a, button, input[type="submit"])[class*="hover:bg-green-"]:hover,
        :is(a, button, input[type="submit"])[class*="hover:bg-emerald-"]:hover,
        :is(a, button, input[type="submit"])[class*="hover:bg-blue-"]:hover,
        :is(a, button, input[type="submit"])[class*="hover:bg-sky-"]:hover,
        :is(a, button, input[type="submit"])[class*="hover:bg-cyan-"]:hover,
        :is(a, button, input[type="submit"])[class*="hover:bg-indigo-"]:hover,
        :is(a, button, input[type="submit"])[class*="hover:bg-yellow-"]:hover,
        :is(a, button, input[type="submit"])[class*="hover:bg-amber-"]:hover,
        :is(a, button, input[type="submit"])[class*="hover:bg-orange-"]:hover {
            background: var(--btn-industrial-hover) !important;
            border-color: var(--btn-industrial-hover) !important;
            color: #ffffff !important;
        }

        .palette-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 10px;
            margin-top: 12px;
        }

        .palette-option {
            border: 1px solid var(--border);
            border-radius: 10px;
            background: #fff;
            padding: 10px;
            cursor: pointer;
            transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
            text-align: left;
        }

        .palette-option:hover {
            border-color: #b8c3cf;
            transform: translateY(-1px);
        }

        .palette-option.is-active {
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(61, 90, 115, 0.15);
        }

        .palette-option__name {
            display: block;
            font-size: 12px;
            font-weight: 700;
            color: #334155;
            margin-bottom: 8px;
        }

        .palette-option__swatches {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 6px;
        }

        .palette-option__swatches span {
            height: 12px;
            border-radius: 999px;
            border: 1px solid rgba(15, 23, 42, 0.08);
            display: block;
        }

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

        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-red-"],
        :is(a, button, input[type="submit"])[class*="text-white"][class*="bg-rose-"] {
            background: var(--btn-danger) !important;
            border-color: var(--btn-danger) !important;
            color: #ffffff !important;
        }

        :is(a, button, input[type="submit"])[class*="hover:bg-red-"]:hover,
        :is(a, button, input[type="submit"])[class*="hover:bg-rose-"]:hover {
            background: var(--btn-danger-hover) !important;
            border-color: var(--btn-danger-hover) !important;
            color: #ffffff !important;
        }

        .messages-wrap {
            max-width: 900px;
            margin: 0 auto 20px auto;
            display: grid;
            gap: 12px;
        }

        .msg-box {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 16px;
            border-radius: 10px;
            border: 1px solid transparent;
            font-weight: 600;
            line-height: 1.5;
            transition: opacity 0.3s ease, transform 0.3s ease;
            background: var(--info-bg);
            color: var(--info-text);
            border-color: #bfdbfe;
        }

        .msg-content {
            flex: 1;
        }

        .msg-success {
            background: var(--success-bg);
            color: var(--success-text);
            border-color: #bbf7d0;
        }

        .msg-error {
            background: var(--danger-bg);
            color: var(--danger-text);
            border-color: #fecaca;
        }

        .msg-warning {
            background: var(--warning-bg);
            color: var(--warning-text);
            border-color: #fde68a;
        }

        .msg-info {
            background: var(--info-bg);
            color: var(--info-text);
            border-color: #bfdbfe;
        }

        .msg-debug {
            background: #ede9fe;
            color: #5b21b6;
            border-color: #ddd6fe;
        }

        .msg-close {
            cursor: pointer;
            font-size: 22px;
            font-weight: 700;
            opacity: 0.72;
            background: transparent;
            border: none;
            color: inherit;
            line-height: 1;
            padding: 0;
            margin: -2px 0 0;
            flex: 0 0 auto;
        }

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

        .menu-toggle:focus,
        .nav-link:focus,
        .user-box:focus,
        .dropdown a:focus,
        .msg-close:focus {
            outline: 2px solid var(--focus);
            outline-offset: 2px;
        }

        @media (max-width: 1100px) {
            .navbar-inner {
                flex-wrap: wrap;
                align-items: flex-start;
                padding-right: 20px;
                padding-top: 12px;
                padding-bottom: 12px;
            }

            .nav-center {
                justify-content: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }

            .nav-center {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding-top: 10px;
                background: var(--nav-bg);
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }

            .nav-center.active {
                display: flex;
            }

            .nav-item {
                width: 100%;
            }

            .nav-link {
                width: 100%;
                justify-content: space-between;
                padding-right: 20px;
            }

            .dropdown {
                position: static;
                display: none;
                width: 100%;
                min-width: auto;
                margin-top: 6px;
                border: none;
                box-shadow: none;
                background: transparent;
                padding: 0;
            }

            .nav-item.open > .dropdown {
                display: block;
            }

            .dropdown a {
                padding-left: 30px;
                background: var(--nav-hover);
                border-radius: 8px;
                margin: 2px 0;
                color: var(--nav-text);
                white-space: normal;
            }

            .dropdown a:hover {
                background: var(--primary);
                color: white;
            }

            .nav-right {
                width: 100%;
                justify-content: flex-end;
                margin-top: 8px;
                margin-right: 0;
            }

            .dropdown-right {
                right: auto;
            }

            .navbar-logo,
            .user-box {
                white-space: normal;
            }
        }