/* Extracted from email.html style block 1. */
/* ======= ENVELOPE ICON ======= */
        .env-icon {
            display: inline-block;
            margin-bottom: 1.5rem;
        }
        .env-icon svg {
            filter: drop-shadow(0 0 20px rgba(139,92,246,0.4)) drop-shadow(0 0 40px rgba(247,147,26,0.2));
            animation: envFloat 4s ease-in-out infinite;
        }
        @keyframes envFloat {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        /* ======= HERO ======= */
        .mail-hero {
            text-align: center;
            padding: 1.5rem 0 0.5rem;
        }
        .mail-hero .subline {
            font-family: 'Share Tech Mono', monospace;
            font-size: 1rem;
            color: var(--text);
            margin-top: 0.75rem;
            line-height: 1.6;
        }

        /* ======= FEATURE STRIP ======= */
        .mail-features {
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
            margin: 2rem auto 0.5rem;
            max-width: 700px;
        }
        .mail-feat {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .mail-feat-icon {
            width: 36px; height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .mail-feat-icon.in  { background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.25); }
        .mail-feat-icon.out { background: rgba(139,92,246,0.12); border: 1px solid rgba(139,92,246,0.25); }
        .mail-feat-icon.id  { background: rgba(247,147,26,0.12); border: 1px solid rgba(247,147,26,0.25); }
        .mail-feat-text {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.85rem;
            color: var(--text);
            line-height: 1.4;
        }
        .mail-feat-text strong {
            display: block;
            font-size: 0.78rem;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .mail-feat-icon.in strong, .mail-feat-text .t-green { color: var(--green); }
        .mail-feat-icon.out strong, .mail-feat-text .t-purple { color: var(--neon-purple); }
        .mail-feat-icon.id strong, .mail-feat-text .t-orange { color: var(--bitcoin); }

        /* ======= FLOW DIAGRAM ======= */
        .mail-flow {
            max-width: 600px;
            margin: 2rem auto 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .mail-flow-lane {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 1.25rem 1rem;
            position: relative;
        }
        .flow-label {
            position: absolute;
            top: 0.25rem;
            left: 1rem;
            font-family: 'Orbitron', sans-serif;
            font-size: 0.6rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .flow-label-in { color: #22c55e; }
        .flow-label-out { color: #8b5cf6; }
        .flow-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(139,92,246,0.2), rgba(247,147,26,0.2), transparent);
            margin: 0 1rem;
        }
        .flow-node {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 0.5rem;
            min-width: 0;
        }
        .flow-node-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .flow-node-email .flow-node-icon {
            background: rgba(34,197,94,0.1);
            border: 1px solid rgba(34,197,94,0.3);
        }
        .flow-node-bridge .flow-node-icon {
            background: rgba(247,147,26,0.1);
            border: 1px solid rgba(247,147,26,0.3);
        }
        .flow-node-nostr .flow-node-icon {
            background: rgba(139,92,246,0.1);
            border: 1px solid rgba(139,92,246,0.3);
        }
        .flow-node-text {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.72rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .flow-node-text strong {
            color: var(--text-bright);
        }
        .flow-arrow {
            width: 48px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            height: 44px;
        }
        .flow-arrow-line {
            width: 100%;
            height: 1px;
            position: relative;
        }
        .flow-arrow-in .flow-arrow-line {
            background: linear-gradient(90deg, rgba(34,197,94,0.4), rgba(247,147,26,0.4));
        }
        .flow-arrow-out .flow-arrow-line {
            background: linear-gradient(90deg, rgba(139,92,246,0.4), rgba(247,147,26,0.4));
        }
        .flow-packet {
            position: absolute;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            top: 50%;
            transform: translateY(-50%);
            filter: blur(1px);
        }
        .flow-packet-in {
            background: #22c55e;
            box-shadow: 0 0 8px rgba(34,197,94,0.6);
            animation: packetRight 2s ease-in-out infinite;
        }
        .flow-packet-out {
            background: #8b5cf6;
            box-shadow: 0 0 8px rgba(139,92,246,0.6);
            animation: packetRight 2s ease-in-out infinite 0.3s;
        }
        @keyframes packetRight {
            0%   { left: 0; opacity: 0; }
            15%  { opacity: 1; }
            85%  { opacity: 1; }
            100% { left: calc(100% - 8px); opacity: 0; }
        }

        @media (max-width: 520px) {
            .mail-flow-lane {
                flex-direction: column;
                gap: 0;
                padding: 1.25rem 0.5rem;
            }
            .flow-arrow {
                width: 44px;
                height: 36px;
                transform: rotate(90deg);
            }
            .flow-label {
                left: 0.5rem;
            }
        }

        /* ======= PRICE BADGE ======= */
        .mail-price-badge {
            display: inline-flex;
            align-items: baseline;
            gap: 0.5rem;
            margin: 1.5rem auto;
            padding: 0.75rem 2rem;
            background: rgba(0,0,0,0.4);
            border: 1px solid rgba(247,147,26,0.2);
            border-radius: 100px;
            animation: pricePulse 3s ease-in-out infinite;
        }
        @keyframes pricePulse {
            0%,100% { box-shadow: 0 0 15px rgba(247,147,26,0.08); border-color: rgba(247,147,26,0.2); }
            50% { box-shadow: 0 0 25px rgba(247,147,26,0.15), 0 0 50px rgba(139,92,246,0.06); border-color: rgba(247,147,26,0.35); }
        }
        .mail-price-badge .amount {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.6rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--bitcoin), var(--neon-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mail-price-badge .period {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 1px;
        }

        /* ======= TERMINAL DEMO ======= */
        .mail-terminal {
            position: relative;
            max-width: 520px;
            margin: 0 auto 2rem;
            background: rgba(8,8,14,0.95);
            border: 1px solid rgba(139,92,246,0.2);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(0,0,0,0.4), 0 0 60px rgba(139,92,246,0.04);
        }
        .mail-terminal::after {
            content: '';
            position: absolute;
            inset: 0;
            pointer-events: none;
            background: repeating-linear-gradient(0deg, rgba(139,92,246,0.012) 0px, rgba(139,92,246,0.012) 1px, transparent 1px, transparent 3px);
        }
        .term-bar {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            background: rgba(18,18,28,0.8);
            border-bottom: 1px solid rgba(139,92,246,0.1);
        }
        .term-dot { width: 10px; height: 10px; border-radius: 50%; }
        .term-dot.r { background: #ef4444; }
        .term-dot.y { background: #f7931a; }
        .term-dot.g { background: #22c55e; }
        .term-bar-title {
            flex: 1;
            text-align: center;
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.7rem;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .term-body {
            padding: 1.2rem 1.4rem;
            position: relative;
            z-index: 1;
        }
        .term-section {
            margin-bottom: 1.2rem;
        }
        .term-section:last-child { margin-bottom: 0; }
        .term-label {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.7rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .term-label .arrow-in { color: var(--green); }
        .term-label .arrow-out { color: var(--neon-purple); }
        .term-code {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.85rem;
            color: var(--text);
            line-height: 1.7;
            padding: 0.8rem 1rem;
            background: rgba(0,0,0,0.3);
            border: 1px solid rgba(139,92,246,0.08);
            border-radius: 6px;
        }
        .term-code .from { color: var(--green); }
        .term-code .subj { color: var(--neon-blue); }
        .term-code .addr { color: var(--neon-purple); }
        .term-code .muted { color: var(--text-muted); }
        .term-hint {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.4rem;
        }
        .term-hint .hl {
            background: linear-gradient(135deg, var(--neon-purple), var(--bitcoin));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* ======= REGISTRATION FORM ======= */
        .mail-form-wrap {
            max-width: 480px;
            margin: 0 auto;
        }
        .mail-form {
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(18,18,28,0.95), rgba(13,13,20,0.98));
            border: 1px solid rgba(139,92,246,0.15);
            border-radius: 10px;
            padding: 1.8rem;
        }
        .mail-form .form-shimmer {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent, rgba(139,92,246,0.03), rgba(247,147,26,0.03), transparent);
            background-size: 300% 100%;
            animation: ncShimmer 7s ease-in-out infinite;
            pointer-events: none;
        }
        .mail-form label {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.72rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(135deg, var(--neon-purple), var(--bitcoin));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
            margin-bottom: 0.5rem;
            position: relative;
            z-index: 1;
        }
        .mail-form input[type="text"] {
            width: 100%;
            font-size: 1rem;
            padding: 0.9rem 1rem;
            background: rgba(0,0,0,0.3);
            border: 1px solid rgba(139,92,246,0.2);
            border-radius: 6px;
            font-family: 'Share Tech Mono', monospace;
            color: var(--text-bright);
            outline: none;
            transition: all 0.25s;
            position: relative;
            z-index: 1;
        }
        .mail-form input[type="text"]:focus {
            border-color: rgba(139,92,246,0.5);
            box-shadow: 0 0 15px rgba(139,92,246,0.12);
        }
        .mail-form input[type="text"]::placeholder { color: var(--text-muted); }
        .email-input-row {
            display: flex;
            align-items: center;
            gap: 0;
        }
        .email-input-row input {
            flex: 1;
            border-radius: 6px 0 0 6px !important;
            min-width: 0;
        }
        .email-input-row .email-domain {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.82rem;
            color: var(--text-muted);
            background: rgba(0,0,0,0.3);
            border: 1px solid rgba(139,92,246,0.2);
            border-left: none;
            border-radius: 0 6px 6px 0;
            padding: 0.9rem 0.7rem;
            white-space: nowrap;
        }
        .email-hint {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.35rem;
            position: relative;
            z-index: 1;
        }
        #username-status { display: inline; margin-left: 0.4rem; }
        #username-status.available { color: var(--green); }
        #username-status.taken { color: var(--red); }
        .npub-row {
            margin-top: 1rem;
            position: relative;
            z-index: 1;
        }
        .pay-btn {
            width: 100%;
            margin-top: 1.2rem;
            padding: 1rem 2rem;
            font-size: 0.85rem;
            font-family: 'Share Tech Mono', monospace;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: rgba(139,92,246,0.9);
            background: rgba(0,0,0,0.5);
            border: 1px solid rgba(139,92,246,0.25);
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
            overflow: hidden;
            clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
        }
        .pay-btn::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent, rgba(139,92,246,0.08), rgba(247,147,26,0.06), transparent);
            background-size: 200% 100%;
            animation: btnSweep 3s ease-in-out infinite;
            pointer-events: none;
        }
        @keyframes btnSweep { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
        .pay-btn::after {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 10px; height: 10px;
            border-top: 1px solid rgba(247,147,26,0.4);
            border-left: 1px solid rgba(247,147,26,0.4);
            pointer-events: none;
        }
        .pay-btn:hover:not(:disabled) {
            color: #fff;
            border-color: rgba(139,92,246,0.6);
            background: rgba(139,92,246,0.12);
            box-shadow: 0 0 12px rgba(139,92,246,0.2), 0 0 24px rgba(139,92,246,0.08);
            text-shadow: 0 0 8px rgba(139,92,246,0.5);
            transform: translateY(-1px);
        }
        .pay-btn:active:not(:disabled) { transform: translateY(0) scale(0.98); box-shadow: 0 0 8px rgba(139,92,246,0.2); transition: transform 0.1s, box-shadow 0.1s; }
        .pay-btn:disabled { opacity: 0.35; cursor: not-allowed; }
        .mail-or {
            text-align: center;
            margin-top: 1rem;
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.8rem;
            color: var(--text-muted);
            position: relative;
            z-index: 1;
        }
        .mail-or a { color: var(--neon-purple); text-decoration: none; border-bottom: 1px solid rgba(139,92,246,0.3); }
        .mail-or a:hover { color: var(--text-bright); }

        /* ======= DASHBOARD ======= */
        .email-dash {
            display: none;
            max-width: 480px;
            margin: 0 auto 2rem;
        }
        .email-dash.visible { display: block; }
        .dash-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.75rem;
        }
        .dash-cell {
            position: relative;
            overflow: hidden;
            background: rgba(18,18,28,0.95);
            border: 1px solid rgba(139,92,246,0.12);
            border-radius: 8px;
            padding: 1.1rem;
        }
        .dash-cell.full { grid-column: 1 / -1; }
        .dash-cell .form-shimmer {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent, rgba(139,92,246,0.03), rgba(247,147,26,0.03), transparent);
            background-size: 300% 100%;
            animation: ncShimmer 6s ease-in-out infinite;
            pointer-events: none;
        }
        .dash-label {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.62rem;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            position: relative;
            z-index: 1;
        }
        .dash-value {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.92rem;
            color: var(--text);
            position: relative;
            z-index: 1;
            line-height: 1.6;
            word-break: break-all;
        }
        .dash-value .hl {
            background: linear-gradient(135deg, var(--neon-purple), var(--bitcoin));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .status-active { color: var(--green); font-weight: 600; }
        .status-expired { color: var(--red); font-weight: 600; }
        .dash-renew-btn {
            margin-top: 0.6rem;
            padding: 0.6rem 1.5rem;
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--bitcoin);
            background: rgba(0,0,0,0.3);
            border: 1px solid rgba(247,147,26,0.25);
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
        }
        .dash-renew-btn:hover {
            border-color: rgba(247,147,26,0.5);
            background: rgba(247,147,26,0.08);
            box-shadow: 0 0 12px rgba(247,147,26,0.15);
        }

        /* ======= SUCCESS ======= */
        .email-success {
            display: none;
            text-align: center;
            max-width: 480px;
            margin: 2rem auto;
        }
        .email-success.visible { display: block; }
        .email-success .success-addr {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.3rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--green), var(--neon-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* ======= PRIVACY ======= */
        .mail-privacy {
            max-width: 480px;
            margin: 1.5rem auto;
            padding: 1rem 1.2rem;
            border-left: 2px solid rgba(139,92,246,0.3);
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .mail-privacy strong { color: var(--text-bright); }

        /* ======= LIGHTNING MODAL ======= */
        .ln-modal-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.88);
            z-index: 100;
            align-items: center;
            justify-content: center;
        }
        .ln-modal-overlay.visible { display: flex; }
        .ln-modal {
            position: relative;
            background: linear-gradient(135deg, rgba(18,18,28,0.98), rgba(13,13,20,1));
            border: 1px solid rgba(139,92,246,0.3);
            border-radius: 10px;
            padding: 2rem 1.5rem;
            max-width: 380px;
            width: 90%;
            text-align: center;
        }
        .ln-modal h3 {
            font-family: 'Orbitron', sans-serif;
            font-size: 0.8rem;
            letter-spacing: 3px;
            text-transform: uppercase;
            background: linear-gradient(135deg, var(--neon-purple), var(--bitcoin));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }
        .ln-qr { background: #fff; padding: 10px; border-radius: 8px; display: inline-block; margin-bottom: 1rem; }
        .ln-qr canvas { display: block; }
        .ln-invoice {
            font-family: 'Share Tech Mono', monospace;
            font-size: 0.65rem;
            color: var(--text-muted);
            word-break: break-all;
            background: rgba(0,0,0,0.3);
            border-radius: 6px;
            padding: 0.5rem;
            cursor: pointer;
            margin-bottom: 0.8rem;
        }
        .ln-invoice:hover { color: var(--text); }
        .ln-status { font-family: 'Share Tech Mono', monospace; font-size: 0.78rem; color: var(--text-muted); }
        .ln-close {
            position: absolute;
            top: 0.8rem; right: 1rem;
            font-size: 1.2rem;
            color: var(--text-muted);
            cursor: pointer;
            background: none;
            border: none;
        }

        /* ======= ANIMATIONS ======= */
        @keyframes ncShimmer{0%{background-position:-300% 0}100%{background-position:300% 0}}

        /* ======= RESPONSIVE ======= */
        @media (max-width: 600px) {
            .mail-features { gap: 1.2rem; flex-direction: column; align-items: flex-start; padding: 0 0.5rem; }
            .mail-price-badge { padding: 0.6rem 1.5rem; }
            .mail-price-badge .amount { font-size: 1.3rem; }
            .mail-terminal { margin: 0 auto 1.5rem; }
            .term-body { padding: 1rem; }
            .term-code { font-size: 0.78rem; padding: 0.6rem 0.8rem; }
            .mail-form { padding: 1.2rem; }
            .mail-form input[type="text"] { font-size: 0.88rem; padding: 0.8rem 0.75rem; }
            .mail-form label { font-size: 0.68rem; letter-spacing: 1.5px; }
            .email-input-row .email-domain { font-size: 0.72rem; padding: 0.8rem 0.5rem; }
            .pay-btn { padding: 0.85rem 1.2rem; font-size: 0.8rem; letter-spacing: 1px; clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); }
            .dash-grid { grid-template-columns: 1fr; }
            .dash-cell { padding: 1rem; }
            .dash-value { font-size: 0.85rem; }
            .ln-modal { padding: 1.5rem 1rem; }
            .mail-privacy { font-size: 0.75rem; padding: 0.8rem 1rem; }
        }
        @media (max-width: 380px) {
            .email-input-row .email-domain { font-size: 0.65rem; padding: 0.8rem 0.4rem; }
            .mail-form input[type="text"] { font-size: 0.82rem; padding: 0.75rem 0.6rem; }
        }