body {
            background-color: #131313;
            color: #e0e0e0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 20px;
            padding-top: calc(48px + 20px);
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .container {
            max-width: 800px;
            width: 100%;
        }

        /* ── Top Navigation Bar ── */
        #topnav {
            position: fixed;
            top: 0; left: 0; right: 0;
            height: 48px;
            background-color: #1c1c1c;
            border-bottom: 1px solid #2a2a2a;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            padding: 0 20px;
        }

        #topnav ul {
            list-style: none;
            margin: 0; padding: 0;
            display: flex;
        }

        #topnav li {
            position: relative;
            margin-bottom: 0;
        }

        #topnav li > button.nav-item {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 0 16px;
            height: 48px;
            color: #cccccc;
            font-size: 0.9rem;
            background: none;
            border: none;
            cursor: pointer;
            font-family: inherit;
            transition: color 0.15s;
            white-space: nowrap;
        }

        #topnav li > button.nav-item:hover { color: #ffffff; }

        .nav-arrow {
            font-size: 0.65rem;
            opacity: 0.7;
            transition: transform 0.2s;
        }

        .nav-dropdown.open .nav-arrow { transform: rotate(180deg); }

        .nav-dropdown-menu {
            display: none;
            position: absolute;
            top: 48px;
            left: 50%;
            transform: translateX(-50%);
            background: #1c1c1c;
            border: 1px solid #2a2a2a;
            border-top: none;
            border-radius: 0 0 8px 8px;
            min-width: 220px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.5);
        }

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

        .nav-dropdown-menu a {
            display: block;
            padding: 10px 20px;
            color: #cccccc;
            font-size: 0.9rem;
            text-decoration: none;
            text-align: center;
            transition: background 0.15s, color 0.15s;
        }

        .nav-dropdown-menu a:hover {
            background: #252525;
            color: #ffffff;
            text-decoration: none;
        }

        .nav-dropdown-menu a.active { color: #007bff; }

        /* Hamburger */
        #nav-hamburger {
            display: none;
            position: absolute;
            right: 16px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
            flex-direction: column;
            gap: 5px;
        }

        #nav-hamburger span {
            display: block;
            width: 22px; height: 2px;
            background: #cccccc;
            border-radius: 2px;
            transition: background 0.15s;
        }

        #nav-hamburger:hover span { background: #ffffff; }

        #nav-mobile-menu {
            display: none;
            position: fixed;
            top: 48px; left: 0; right: 0;
            background: #1c1c1c;
            border-bottom: 1px solid #2a2a2a;
            z-index: 999;
            padding: 8px 0;
        }

        #nav-mobile-menu.open { display: block; }

        .mobile-section-label {
            padding: 8px 20px 4px;
            font-size: 0.75rem;
            color: #666;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        #nav-mobile-menu a {
            display: block;
            padding: 10px 32px;
            color: #cccccc;
            font-size: 0.95rem;
            text-decoration: none;
        }

        #nav-mobile-menu a:hover {
            color: #ffffff;
            background: #252525;
            text-decoration: none;
        }

        #nav-mobile-menu a.active { color: #007bff; }

        @media (max-width: 600px) {
            #topnav ul { display: none; }
            #nav-hamburger { display: flex; }
        }

        /* ── page title (ex-.navbar) ── */
        .navbar a {
			display: flex;
			align-items: center;
			gap: 16px;
			text-decoration: none;
		}

        .logo {
            max-width: 150px;
            height: auto;
        }

        h1 {
            font-size: 1.4rem;
            text-align: center;
            color: #ffffff;
            margin-bottom: 40px;
        }

        .card {
            background: #1e1e1e;
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 25px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.5);
        }

        h2 {
            font-size: 1.2rem;
            color: #007bff;
            margin-top: 0;
        }

        .btn {
            background-color: #007bff;
            color: white;
            border: none;
            padding: 15px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            width: 100%;
            font-size: 1.1rem;
            transition: background 0.2s;
        }

        .btn:hover {
            background-color: #0056b3;
        }

        .status {
            margin-top: 15px;
            font-size: 0.9rem;
            text-align: center;
            color: #888;
        }

        input, textarea {
            width: 100%;
            padding: 12px;
            margin-top: 8px;
            margin-bottom: 20px;
            background: #2a2a2a;
            border: 1px solid #444;
            color: #fff;
            border-radius: 6px;
            box-sizing: border-box;
        }

        label {
            font-size: 0.9rem;
            font-weight: bold;
            display: block;
        }

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

        .footer-links {
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
        }

        .medium {
            margin-top: 0px;
	        margin-bottom: 30px;
            padding-top: 0px;
            text-align: center;
            font-size: 1.0rem;
        }

        a {
            color: #007bff;
            text-decoration: none;
        }

        a:hover {
            text-decoration: underline;
        }

        ol, ul {
            padding-left: 20px;
        }

        li {
            margin-bottom: 12px;
        }

        /* FAQ Accordion */
        .faq-item {
            border-bottom: 1px solid #2a2a2a;
        }

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

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 14px 0;
            font-weight: bold;
            color: #e0e0e0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            color: #007bff;
            font-size: 1.3rem;
            font-weight: 300;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item[open] summary::after {
            content: '−';
        }

        .faq-item summary:hover {
            color: #007bff;
        }

        .faq-answer {
            padding-bottom: 14px;
            color: #aaaaaa;
            font-size: 0.95rem;
        }

        .faq-answer p {
            margin: 0 0 8px 0;
        }

        .faq-answer p:last-child {
            margin-bottom: 0;
        }