:root[data-theme="light"] {
        --bg-color: #f8fafc;
        --bg-gradient: 
        radial-gradient(circle at 10% 20%, rgba(244, 114, 182, 0.25) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(129, 140, 248, 0.25) 0%, transparent 40%),
        radial-gradient(circle at 50% 90%, rgba(52, 211, 153, 0.2) 0%, transparent 40%),
        linear-gradient(135deg, #fdf4ff 0%, #e0f2fe 100%);
        --card-bg: rgba(255, 255, 255, 0.8);
        --card-border: rgba(255, 255, 255, 0.95);
        --text-color: #1e293b;
        --text-secondary: #64748b;
        --btn-hover-bg: rgba(255, 255, 255, 0.98);
        --accent-glow: rgba(99, 102, 241, 0.2);
        --link-color: #4f46e5;
    }

    :root[data-theme="dark"] {
        --bg-color: #0f1015;
        --bg-gradient: 
        radial-gradient(circle at 50% 20%, rgba(79, 70, 229, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 40%),
        linear-gradient(135deg, #0f1015 0%, #1a1c23 100%);
        --card-bg: rgba(255, 255, 255, 0.06);
        --card-border: rgba(255, 255, 255, 0.12);
        --text-color: #f3f4f6;
        --text-secondary: #9ca3af;
        --btn-hover-bg: rgba(255, 255, 255, 0.14);
        --accent-glow: rgba(99, 102, 241, 0.25);
        --link-color: #818cf8;
    }

    body {
        margin: 0;
        padding: 20px;
        background-color: var(--bg-color);
        background-image: var(--bg-gradient);
        background-attachment: fixed;
        color: var(--text-color);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        display: flex;
        flex-direction: column;
        align-items: center;
        min-height: 100vh;
        transition: background 0.4s ease, color 0.4s ease;
    }

    select {
        background-color: var(--card-bg) !important;
        color: var(--text-color) !important;
        border: 1px solid var(--card-border) !important;
    }

    :root[data-theme="dark"] select option {
        background-color: #1a1c23 !important;
        color: #f3f4f6 !important;
    }

    :root[data-theme="light"] select option {
        background-color: #ffffff !important;
        color: #1e293b !important;
    }

    .portal-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        padding: 15px 30px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-sizing: border-box;
        z-index: 20;
        background: var(--card-bg);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--card-border);
    }
    .portal-logo {
        font-size: 18px;
        font-weight: bold;
        color: var(--text-color);
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .portal-logo img {
        width: 32px;
        height: 32px;
        object-fit: contain;
    }
    
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .nav-btn {
        padding: 8px 16px;
        background: var(--card-bg);
        border: 1px solid var(--card-border);
        color: var(--text-color);
        border-radius: 10px;
        text-decoration: none;
        font-weight: bold;
        font-size: 14px;
        transition: transform 0.2s, background 0.2s;
    }
    .nav-btn:hover {
        transform: translateY(-2px);
        background: var(--btn-hover-bg);
    }
    .nav-btn.primary {
        background: var(--link-color);
        color: white;
        border: none;
        box-shadow: 0 4px 12px var(--accent-glow);
    }

    .menu-toggle {
        display: none;
        background: var(--card-bg);
        border: 1px solid var(--card-border);
        color: var(--text-color);
        width: 40px;
        height: 40px;
        border-radius: 10px;
        font-size: 18px;
        cursor: pointer;
        align-items: center;
        justify-content: center;
    }

    .theme-toggle {
        background: var(--card-bg);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid var(--card-border);
        color: var(--text-color);
        width: 38px;
        height: 38px;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: pointer;
        font-size: 16px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        transition: transform 0.2s ease, background 0.2s ease;
    }
    .theme-toggle:hover {
        transform: scale(1.1);
    }

    .members-container {
        max-width: 1200px;
        width: 100%;
        margin: 0 auto;
        padding: 120px 20px 80px 20px;
        box-sizing: border-box;
        text-align: center;
        z-index: 1;
    }
    .members-title {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 24px;
        color: var(--text-color);
    }

    .members-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 16px;
        width: 100%;
    }

    .member-card {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 16px;
        background: var(--card-bg);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid var(--card-border);
        border-radius: 16px;
        text-decoration: none;
        color: var(--text-color);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        text-align: left;
    }
    .member-card:hover {
        transform: translateY(-3px);
        background: var(--btn-hover-bg);
        border-color: rgba(99, 102, 241, 0.4);
        box-shadow: 0 8px 25px var(--accent-glow);
    }
    .member-avatar {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        object-fit: cover;
        flex-shrink: 0;
        border: 2px solid var(--card-border);
    }
    .member-info {
        overflow: hidden;
    }
    .member-name {
        font-size: 16px;
        font-weight: 750;
        margin-bottom: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .member-handle {
        font-size: 13px;
        color: var(--text-secondary);
    }

    .footer {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        padding: 15px;
        text-align: center;
        font-size: 13px;
        color: var(--text-secondary);
        background: var(--card-bg);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-top: 1px solid var(--card-border);
        z-index: 10;
    }

    @media screen and (max-width: 600px) {
        body { padding: 10px; }
        .portal-header {
            padding: 12px 20px;
            flex-wrap: wrap;
        }
        .menu-toggle {
            display: flex;
        }
        .nav-actions {
            display: none;
            width: 100%;
            flex-direction: column;
            gap: 8px;
            padding-top: 12px;
            border-top: 1px solid var(--card-border);
            margin-top: 10px;
        }
        .nav-actions.active {
            display: flex;
        }
        .nav-btn, .theme-toggle {
            width: 100%;
            text-align: center;
            box-sizing: border-box;
            border-radius: 10px !important;
        }
        .theme-toggle {
            height: 40px !important;
        }
    }