/* Navigation Bar */
        .main-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 2000;
            height: 56px;
            background: #fff;
            border-bottom: none;
        }

        .nav-container {
            display: flex;
            align-items: stretch;
            height: 100%;
            max-width: 1400px;
            margin: 0 auto;
            touch-action: manipulation;
        }

        .nav-item {
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 0 16px;
            color: #6b7280;
            text-decoration: none;
            font-weight: 500;
            font-size: 14px;
            border-bottom: 2px solid transparent;
            transition: color 0.15s, border-color 0.15s, background 0.15s;
        }

        .nav-item:hover {
            color: #374151;
            background: #f9fafb;
        }

        .nav-item.active {
            color: #2563eb;
            border-bottom-color: #2563eb;
        }

        /* Maps Dropdown */
        .nav-dropdown {
            position: relative;
            flex: 0 0 auto;
            display: flex;
        }

        .nav-dropdown > .nav-item {
            cursor: pointer;
            border: none;
            border-bottom: 2px solid transparent;
            background: transparent;
            font-family: inherit;
        }

        .nav-dropdown > .nav-item.active {
            color: #2563eb;
            border-bottom-color: #2563eb;
        }

        .nav-chevron {
            font-size: 10px;
            margin-left: 2px;
        }

        .nav-label-short {
            display: none;
        }

        .nav-dropdown-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            z-index: 2001;
            overflow: hidden;
        }

        .nav-dropdown-menu.open {
            display: block;
        }

        .nav-dropdown-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            color: #374151;
            text-decoration: none;
            font-size: 14px;
            transition: background 0.1s;
        }

        .nav-dropdown-item:hover {
            background: #f3f4f6;
        }

        .nav-dropdown-item.active {
            color: #2563eb;
            background: #eff6ff;
        }

        .nav-dropdown-item.divider {
            border-top: 1px solid #e5e7eb;
        }

        .nav-info-btn {
            flex: 0 0 43px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #9ca3af;
            font-size: 18px;
            cursor: pointer;
            background: transparent;
            border: none;
            transition: color 0.15s;
        }

        .nav-info-btn:first-of-type {
            margin-left: auto;
        }

        .nav-info-btn:hover {
            color: #6b7280;
        }

        /* Info Modal */
        .info-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 3000;
            justify-content: center;
            align-items: center;
        }

        .info-overlay.active {
            display: flex;
        }

        .info-modal {
            background: #fff;
            max-width: 600px;
            max-height: 80vh;
            overflow-y: auto;
            border-radius: 12px;
            padding: 24px;
            margin: 16px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }

        .info-modal h2 {
            margin: 0 0 16px 0;
            font-size: 20px;
            color: #111827;
        }

        .info-modal h3 {
            margin: 20px 0 8px 0;
            font-size: 16px;
            color: #374151;
        }

        .info-modal p {
            margin: 8px 0;
            font-size: 14px;
            line-height: 1.6;
            color: #4b5563;
        }

        .info-modal ul {
            margin: 8px 0;
            padding-left: 20px;
            color: #4b5563;
            font-size: 14px;
            line-height: 1.8;
        }

        .info-modal .close-btn {
            float: right;
            background: none;
            border: none;
            font-size: 24px;
            color: #9ca3af;
            cursor: pointer;
            padding: 0;
            line-height: 1;
        }

        .info-modal .close-btn:hover {
            color: #6b7280;
        }

        .info-modal .disclaimer {
            margin-top: 20px;
            padding: 12px;
            background: #fef3c7;
            border-radius: 8px;
            font-size: 13px;
            color: #92400e;
        }

        /* Dark Mode */
        @media (prefers-color-scheme: dark) {
            .main-nav {
                background: #1f2937;
            }

            .nav-item {
                color: #9ca3af;
            }

            .nav-item:hover {
                color: #e5e7eb;
                background: #374151;
            }

            .nav-item.active {
                color: #60a5fa;
                border-bottom-color: #60a5fa;
            }

            .nav-dropdown-menu {
                background: #1f2937;
                border-color: #374151;
                box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            }

            .nav-dropdown-item {
                color: #d1d5db;
            }

            .nav-dropdown-item:hover {
                background: #374151;
            }

            .nav-dropdown-item.active {
                color: #60a5fa;
                background: #1e3a5f;
            }

            .nav-dropdown-item.divider {
                border-top-color: #374151;
            }

            .nav-info-btn {
                color: #6b7280;
            }

            .nav-info-btn:hover {
                color: #9ca3af;
            }

            .info-overlay {
                background: rgba(0, 0, 0, 0.7);
            }

            .info-modal {
                background: #1f2937;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            }

            .info-modal h2 {
                color: #f3f4f6;
            }

            .info-modal h3 {
                color: #d1d5db;
            }

            .info-modal p,
            .info-modal ul {
                color: #9ca3af;
            }

            .info-modal .close-btn {
                color: #6b7280;
            }

            .info-modal .close-btn:hover {
                color: #9ca3af;
            }

            .info-modal .disclaimer {
                background: #78350f;
                color: #fde68a;
            }

            #impressum-content {
                background: #374151 !important;
                color: #d1d5db !important;
            }

            #datenschutz-section {
                background: #374151 !important;
                color: #d1d5db !important;
            }

            #contact-form {
                background: #4b5563 !important;
            }

            #contact-form input,
            #contact-form textarea {
                background: #1f2937 !important;
                color: #e5e7eb !important;
                border-color: #6b7280 !important;
            }
        }

        /* Home Airfield Modal */
        .home-modal {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 3001;
            justify-content: center;
            align-items: center;
        }

        .home-modal.active {
            display: flex;
        }

        .home-modal-content {
            background: #fff;
            width: 360px;
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }

        .home-modal-content h3 {
            margin: 0 0 16px 0;
            font-size: 18px;
            color: #111827;
        }

        .home-input-container {
            position: relative;
        }

        .home-input {
            width: 100%;
            padding: 12px 34px 12px 12px;
            font-size: 16px;
            border: 2px solid #e5e7eb;
            border-radius: 8px;
            box-sizing: border-box;
        }

        .home-input:focus {
            outline: none;
            border-color: #2563eb;
        }

        .home-clear {
            display: none; position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
            background: none; border: none; cursor: pointer; padding: 4px 6px;
            font-size: 18px; color: #9ca3af; line-height: 1;
        }
        .home-clear:hover { color: #6b7280; }
        .home-input:not(:placeholder-shown) ~ .home-clear { display: block; }

        .home-autocomplete {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            max-height: 200px;
            overflow-y: auto;
            z-index: 10;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .home-autocomplete.active {
            display: block;
        }

        .home-autocomplete-item {
            padding: 10px 12px;
            cursor: pointer;
            font-size: 14px;
        }

        .home-autocomplete-item:hover,
        .home-autocomplete-item.selected {
            background: #f3f4f6;
        }

        .home-modal-buttons {
            display: flex;
            gap: 8px;
            margin-top: 16px;
        }

        .home-modal-buttons button {
            flex: 1;
            padding: 10px;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            cursor: pointer;
        }

        .home-modal-buttons .btn-clear {
            background: #fee2e2;
            color: #dc2626;
        }

        .home-modal-buttons .btn-cancel {
            background: #e5e7eb;
            color: #374151;
        }

        .home-current {
            margin-top: 12px;
            font-size: 13px;
            color: #6b7280;
        }

        @media (prefers-color-scheme: dark) {
            .home-modal-content {
                background: #1f2937;
            }

            .home-modal-content h3 {
                color: #f3f4f6;
            }

            .home-input {
                background: #374151;
                border-color: #4b5563;
                color: #f3f4f6;
            }

            .home-input:focus {
                border-color: #60a5fa;
            }

            .home-clear { color: #6b7280; }
            .home-clear:hover { color: #9ca3af; }

            .home-autocomplete {
                background: #374151;
                border-color: #4b5563;
            }

            .home-autocomplete-item {
                color: #f3f4f6;
            }

            .home-autocomplete-item:hover,
            .home-autocomplete-item.selected {
                background: #4b5563;
            }

            .home-current {
                color: #9ca3af;
            }
        }

        /* Mobile Navigation */
        @media (max-width: 768px) {
            .main-nav {
                height: 48px;
            }

            .nav-item {
                padding: 0 10px;
                font-size: 14px;
            }

            .nav-info-btn {
                flex: 0 0 36px;
                font-size: 16px;
            }

            .nav-info-btn:first-of-type {
                margin-left: auto;
            }

            .nav-label-extra {
                display: none;
            }
        }

        /* Small phones — shorter labels */
        @media (max-width: 480px) {
            .nav-item {
                padding: 0 8px;
            }

            .nav-label-full {
                display: none;
            }

            .nav-label-short {
                display: inline;
            }
        }

        /* PWA standalone: push nav and content below iPhone status bar / notch */
        @media all and (display-mode: standalone) {
            .main-nav {
                padding-top: env(safe-area-inset-top, 0px);
                height: calc(48px + env(safe-area-inset-top, 0px));
            }
            body {
                padding-top: calc(56px + env(safe-area-inset-top, 0px)) !important;
            }
        }