/* ── DEMO ── */
      .demo-fixed-wrap {
        width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0;
        scrollbar-width: none;
        -ms-overflow-style: none;
      }
      .demo-fixed-wrap::-webkit-scrollbar {
        display: none;
      }
      .demo-layout {
        display: flex;
        justify-content: center;
        gap: 36px;
        align-items: stretch;
        min-width: 1040px;
        margin: 0 auto;
      }
      .demo-side {
        background: linear-gradient(
          160deg,
          rgba(248, 252, 255, 0.96) 0%,
          rgba(237, 245, 255, 0.94) 100%
        );
        border: 1px solid #d3e3f8;
        border-radius: var(--r-lg);
        padding: 28px 24px;
        flex: 0 0 280px;
        box-shadow: 0 14px 34px rgba(25, 72, 146, 0.08);
        display: flex;
        flex-direction: column;
        height: var(--demo-panel-h, auto);
        overflow: hidden;
      }
      .demo-side__title {
        font-size: 11px;
        font-weight: 700;
        color: #4a6d9e;
        letter-spacing: 2px;
        text-transform: uppercase;
        margin-bottom: 18px;
      }
      .demo-checks {
        display: flex;
        flex-direction: column;
        gap: 13px;
      }
      .demo-check {
        display: flex;
        align-items: flex-start;
        gap: 11px;
        font-size: 13px;
        color: #6b7f9d;
        line-height: 1.5;
        transition:
          color 0.28s ease,
          transform 0.28s ease,
          text-shadow 0.28s ease;
        min-height: 20px;
      }
      .demo-check .stream-text {
        display: inline-block;
        white-space: nowrap;
      }
      .demo-check.active {
        color: #173b66;
        transform: translateX(2px);
        text-shadow: 0 0 18px rgba(49, 130, 246, 0.18);
      }
      .check-icon {
        width: 20px;
        height: 20px;
        flex-shrink: 0;
        margin-top: 1px;
        background: #f5f9ff;
        border: 1px solid #d3e3f8;
        border-radius: 5px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 10px;
        color: #8da2c0;
        transition: all 0.28s ease;
      }
      .demo-check.active .check-icon {
        background: #2f7cf0;
        border-color: #2f7cf0;
        color: #fff;
        box-shadow:
          0 0 0 3px rgba(49, 130, 246, 0.16),
          0 0 10px rgba(49, 130, 246, 0.32);
      }
      .patient-phone-wrap {
        margin-top: 26px;
        padding-top: 22px;
        border-top: 1px solid #dce8f8;
      }
      .patient-phone-label {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-bottom: 14px;
      }
      .patient-phone-label strong {
        font-size: 12px;
        color: #173b66;
        letter-spacing: 0.02em;
      }
      .patient-phone-label span {
        display: none;
      }
      .patient-phone {
        position: relative;
        width: 100%;
        max-width: 188px;
        margin: 0 auto;
        padding: 9px;
        background: linear-gradient(160deg, #18345d 0%, #0b1c38 100%);
        border-radius: 30px;
        box-shadow: 0 16px 30px rgba(10, 26, 55, 0.22);
      }
      .patient-phone::before {
        content: "";
        position: absolute;
        top: 8px;
        left: 50%;
        width: 74px;
        height: 15px;
        transform: translateX(-50%);
        border-radius: 0 0 12px 12px;
        background: #081527;
      }
      .patient-phone__screen {
        position: relative;
        overflow: hidden;
        min-height: 328px;
        border-radius: 22px;
        background: linear-gradient(180deg, #f8fbff 0%, #eaf2ff 100%);
      }
      .patient-phone__screen.tap-flash::after {
        content: "";
        position: absolute;
        inset: 0;
        background: rgba(255, 255, 255, 0.38);
        animation: screenTapFlash 0.45s ease;
        pointer-events: none;
        z-index: 4;
      }
      .patient-phone__status {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 11px 14px 6px;
        font-size: 10px;
        font-weight: 700;
        color: #1a3254;
      }
      .patient-phone__toast {
        position: absolute;
        top: 8px;
        left: 10px;
        right: 10px;
        display: flex;
        align-items: flex-start;
        gap: 10px;
        padding: 10px 11px;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.94);
        border: 1px solid rgba(214, 228, 248, 0.95);
        box-shadow: 0 14px 24px rgba(15, 36, 66, 0.14);
        backdrop-filter: blur(10px);
        opacity: 0;
        transform: translateY(-12px);
        pointer-events: none;
        transition:
          opacity 0.3s ease,
          transform 0.3s ease;
        z-index: 3;
        cursor: pointer;
      }
      .patient-phone__toast.show {
        opacity: 1;
        transform: translateY(0);
      }
      .patient-phone__toast.show {
        pointer-events: auto;
      }
      .patient-phone__toast.tap {
        transform: scale(0.94);
        opacity: 1;
        box-shadow:
          0 8px 16px rgba(15, 36, 66, 0.22),
          0 0 0 3px rgba(254, 229, 0, 0.28);
        filter: saturate(1.08);
      }
      .patient-phone__toast-icon {
        width: 28px;
        height: 28px;
        flex: 0 0 28px;
        border-radius: 9px;
        display: grid;
        place-items: center;
        background: #fee500;
        color: #381e1f;
        font-size: 12px;
        font-weight: 900;
        box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
      }
      .patient-phone__toast-body {
        min-width: 0;
      }
      .patient-phone__toast-app {
        font-size: 10px;
        font-weight: 800;
        color: #1a3254;
        letter-spacing: 0.04em;
      }
      .patient-phone__toast-text {
        margin-top: 2px;
        font-size: 10px;
        line-height: 1.45;
        color: #47617f;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
      }
      .patient-phone__view {
        display: none;
        padding: 6px 12px 14px;
        height: calc(100% - 27px);
      }
      .patient-phone__view.is-active {
        display: flex;
        flex-direction: column;
      }
      .patient-phone__top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 10px;
      }
      .patient-phone__badge {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        padding: 4px 8px;
        border-radius: 999px;
        background: #eaf2ff;
        color: #2a64b2;
        font-size: 9px;
        font-weight: 800;
        letter-spacing: 0.08em;
        text-transform: uppercase;
      }
      .patient-phone__signal {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: #34d399;
        box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.15);
      }
      .patient-phone__signal.live {
        animation: pulse 1.4s infinite;
      }
      .patient-phone__contact {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-top: 4px;
      }
      .patient-phone__avatar {
        position: relative;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        display: grid;
        place-items: center;
        background: linear-gradient(160deg, #ffffff 0%, #dcebff 100%);
        color: #225aab;
        font-size: 24px;
        border: 1px solid #c8dcf8;
        box-shadow: 0 10px 20px rgba(34, 90, 171, 0.1);
      }
      .patient-phone__avatar::before,
      .patient-phone__avatar::after {
        content: "";
        position: absolute;
        inset: -6px;
        border-radius: 50%;
        border: 2px solid rgba(47, 124, 240, 0.22);
        opacity: 0;
        pointer-events: none;
      }
      .patient-phone__avatar::before {
        animation: phoneRing 2s ease-out infinite;
      }
      .patient-phone__avatar::after {
        animation: phoneRing 2s ease-out infinite 0.8s;
      }
      .patient-phone__name {
        margin-top: 10px;
        font-size: 17px;
        font-weight: 800;
        color: #173b66;
        letter-spacing: -0.02em;
      }
      .patient-phone__sub {
        margin-top: 4px;
        font-size: 11px;
        color: #6e84a3;
        line-height: 1.45;
      }
      .patient-phone__timer {
        margin-top: 18px;
        font-family: "DM Mono", "Courier New", monospace;
        font-size: 26px;
        font-weight: 500;
        color: #0f2442;
      }
      .patient-phone__actions {
        display: flex;
        justify-content: center;
        gap: 14px;
        margin-top: auto;
        padding-top: 22px;
      }
      .patient-phone__action {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
        font-size: 10px;
        font-weight: 700;
        color: #6e84a3;
      }
      .patient-phone__action-icon {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        display: grid;
        place-items: center;
        background: #fff;
        border: 1px solid #d4e3f7;
        box-shadow: 0 8px 16px rgba(20, 50, 90, 0.1);
      }
      .patient-phone__action--end .patient-phone__action-icon {
        background: #ef4444;
        color: #fff;
        border-color: #ef4444;
      }
      .patient-phone__sms-card {
        margin-top: 8px;
        padding: 14px 12px;
        border-radius: 16px;
        background: #fff;
        border: 1px solid #d6e4f8;
        box-shadow: 0 12px 22px rgba(20, 50, 90, 0.08);
      }
      .patient-phone__sms-from {
        font-size: 10px;
        font-weight: 800;
        color: #2a64b2;
        letter-spacing: 0.08em;
        text-transform: uppercase;
      }
      .patient-phone__sms-time {
        font-size: 10px;
        color: #8aa0bf;
      }
      .patient-phone__sms-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        margin-bottom: 10px;
      }
      .patient-phone__sms-text {
        font-size: 11px;
        line-height: 1.55;
        color: #284466;
      }
      .patient-phone__sms-text strong {
        color: #173b66;
      }
      .patient-phone__sms-text p + p {
        margin-top: 6px;
      }
      .patient-phone__sms-chip {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        margin-top: 10px;
        padding: 6px 10px;
        border-radius: 999px;
        background: #ebf5ff;
        color: #2a64b2;
        font-size: 10px;
        font-weight: 700;
      }
      .patient-phone__sms-home {
        margin-top: auto;
        display: flex;
        justify-content: center;
        padding-top: 16px;
      }
      .patient-phone__sms-home span {
        width: 72px;
        height: 4px;
        border-radius: 999px;
        background: rgba(15, 36, 66, 0.18);
      }
      .patient-phone__kakao {
        background: linear-gradient(180deg, #bde1ff 0%, #d9eeff 100%);
      }
      .patient-phone__kakao.is-active {
        animation: kakaoViewIn 0.45s cubic-bezier(0.22, 0.8, 0.24, 1);
      }
      .patient-phone__kakao-head {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        margin-bottom: 0;
      }
      .patient-phone__kakao-head-left {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
      }
      .patient-phone__kakao-back {
        width: 16px;
        height: 16px;
        border: none;
        background: transparent;
        color: #173b66;
        display: grid;
        place-items: center;
        padding: 0;
        cursor: pointer;
        font-size: 13px;
        line-height: 1;
      }
      .patient-phone__kakao-back:hover {
        opacity: 0.72;
      }
      .patient-phone__kakao-profile {
        display: flex;
        align-items: center;
        gap: 2px;
      }
      .patient-phone__kakao-avatar {
        width: 18px;
        height: 18px;
        border-radius: 50%;
        display: grid;
        place-items: center;
        background: linear-gradient(160deg, #ffffff 0%, #dcebff 100%);
        border: 1px solid #bfd6f6;
        color: #225aab;
        font-size: 9px;
        box-shadow: 0 4px 10px rgba(34, 90, 171, 0.1);
      }
      .patient-phone__kakao-title {
        font-size: 10px;
        font-weight: 800;
        color: #173b66;
      }
      .patient-phone__kakao-meta {
        font-size: 10px;
        color: #5f7798;
      }
      .patient-phone__kakao-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
      }
      .patient-phone__kakao-row {
        display: flex;
        align-items: flex-start;
        gap: 8px;
      }
      .patient-phone__kakao-row.me {
        justify-content: flex-end;
      }
      .patient-phone__kakao-bubble {
        max-width: 88%;
        padding: 9px 10px;
        border-radius: 14px;
        font-size: 11px;
        line-height: 1.5;
        box-shadow: 0 8px 16px rgba(16, 39, 71, 0.08);
      }
      .patient-phone__kakao-bubble.bot {
        background: #fff;
        color: #284466;
        border-top-left-radius: 6px;
      }
      .patient-phone__kakao-bubble.me {
        background: #fee500;
        color: #381e1f;
        border-top-right-radius: 6px;
      }
      .patient-phone__kakao-time {
        margin-top: 4px;
        font-size: 9px;
        color: #6d84a4;
      }
      .patient-phone__kakao-input {
        margin-top: auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 6px;
        padding-top: 7px;
      }
      .patient-phone__kakao-field {
        flex: 1;
        height: 18px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.92);
        border: 1px solid rgba(196, 216, 247, 0.9);
      }
      .patient-phone__kakao-send {
        width: 18px;
        height: 18px;
        border-radius: 50%;
        display: grid;
        place-items: center;
        background: #fee500;
        color: #381e1f;
        font-size: 8px;
        font-weight: 900;
        box-shadow: 0 4px 8px rgba(56, 30, 31, 0.12);
      }
      @keyframes phoneRing {
        0% {
          transform: scale(0.92);
          opacity: 0;
        }
        20% {
          opacity: 0.55;
        }
        70% {
          opacity: 0.12;
        }
        100% {
          transform: scale(1.42);
          opacity: 0;
        }
      }
      @keyframes screenTapFlash {
        0% {
          opacity: 0;
        }
        20% {
          opacity: 1;
        }
        100% {
          opacity: 0;
        }
      }
      @keyframes kakaoViewIn {
        0% {
          opacity: 0;
          transform: scale(0.96) translateY(10px);
        }
        100% {
          opacity: 1;
          transform: scale(1) translateY(0);
        }
      }
      .demo-side__tip {
        margin-top: 24px;
        padding-top: 20px;
        border-top: 1px solid #dce8f8;
        font-size: 12px;
        color: #7a8fae;
        line-height: 1.6;
      }
      .chat-win {
        background: linear-gradient(
          160deg,
          rgba(246, 251, 255, 0.96) 0%,
          rgba(229, 240, 255, 0.94) 100%
        );
        border: 1px solid #c8dcf8;
        border-radius: var(--r-xl);
        overflow: hidden;
        position: relative;
        flex: 0 0 auto;
        width: 720px;
        box-shadow: 0 18px 40px rgba(29, 78, 154, 0.1);
        display: flex;
        flex-direction: column;
        height: var(--demo-panel-h, auto);
      }
      .chat-win.is-idle .chat-head,
      .chat-win.is-idle .chat-body,
      .chat-win.is-idle .demo-cta {
        opacity: 0.35;
      }
      .chat-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 22px;
        background: rgba(255, 255, 255, 0.7);
        border-bottom: 1px solid #dce8f8;
        transition: opacity 0.28s ease;
      }
      .chat-head__title {
        display: flex;
        align-items: center;
        gap: 7px;
        font-size: 13px;
        font-weight: 600;
        color: #4a6d9e;
      }
      .live-badge {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        background: rgba(239, 68, 68, 0.08);
        border: 1px solid rgba(239, 68, 68, 0.2);
        border-radius: 100px;
        padding: 3px 10px;
        font-size: 10px;
        color: #ff8080;
        font-weight: 700;
        letter-spacing: 0.6px;
      }
      .live-dot {
        width: 5px;
        height: 5px;
        background: #ef4444;
        border-radius: 50%;
        animation: pulse 1.4s infinite;
      }
      .chat-body {
        padding: 26px 22px;
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        transition: opacity 0.28s ease;
        scrollbar-width: none;
        -ms-overflow-style: none;
      }
      .chat-body::-webkit-scrollbar {
        display: none;
      }
      .msg-group {
        display: none;
        margin-bottom: 0;
        opacity: 0;
        transform: translateY(10px);
      }
      .msg-group.show {
        display: block;
        margin-bottom: 14px;
        opacity: 1;
        transform: translateY(0);
        animation: msgIn 0.35s ease;
      }
      .msg-group.past {
        opacity: 0.32;
      }
      .msg-group.fading {
        opacity: 0.62;
      }
      .msg-group.active {
        opacity: 1;
      }
      .msg-row {
        display: flex;
        align-items: flex-end;
        gap: 9px;
        margin-bottom: 6px;
      }
      .msg-row.bot {
        flex-direction: row-reverse;
      }
      .av {
        width: 34px;
        height: 34px;
        border-radius: 50%;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        border: 1px solid transparent;
        box-shadow: 0 8px 18px rgba(29, 78, 154, 0.16);
      }
      .av-logo {
        display: block;
        width: 20px;
        height: 20px;
        object-fit: contain;
        filter: brightness(0) invert(1);
      }
      .av.u {
        background: linear-gradient(160deg, #ffffff 0%, #eaf2ff 100%);
        border-color: #c4d8f7;
        color: #2f6fcf;
      }
      .av.b {
        background: linear-gradient(160deg, #2e63b0 0%, #173a72 100%);
        border-color: rgba(255, 255, 255, 0.58);
        color: #fff;
        box-shadow: 0 10px 20px rgba(22, 55, 103, 0.28);
      }
      .av-lbl {
        font-size: 9px;
        color: #6b82a3;
        text-align: center;
        margin-top: 3px;
      }
      .bubble {
        max-width: 72%;
        padding: 11px 15px;
        border-radius: var(--r-md);
        font-size: 13px;
        line-height: 1.58;
        color: #2f4b70;
      }
      .bubble.u {
        background: rgba(49, 130, 246, 0.14);
        border: 1px solid rgba(49, 130, 246, 0.24);
        border-bottom-left-radius: 4px;
        color: #163b68;
      }
      .bubble.b {
        background: rgba(255, 255, 255, 0.88);
        border: 1px solid #d6e4f8;
        border-bottom-right-radius: 4px;
      }
      .msg-group.active .bubble.b {
        background: #ffffff;
        border-color: #bfd6f6;
        box-shadow: 0 0 0 3px rgba(49, 130, 246, 0.08);
        color: #1e3e68;
      }
      .bubble strong {
        color: #1e3e68;
        font-weight: 700;
      }
      .waveform {
        display: flex;
        align-items: center;
        gap: 2.5px;
        height: 16px;
        margin-bottom: 7px;
        margin-left: 41px;
      }
      .w-bar {
        width: 2.5px;
        background: var(--accent);
        border-radius: 2px;
        animation: wave 0.9s ease-in-out infinite;
      }
      .w-bar:nth-child(1) {
        height: 5px;
      }
      .w-bar:nth-child(2) {
        animation-delay: 0.1s;
        height: 10px;
      }
      .w-bar:nth-child(3) {
        animation-delay: 0.2s;
        height: 16px;
      }
      .w-bar:nth-child(4) {
        animation-delay: 0.3s;
        height: 9px;
      }
      .w-bar:nth-child(5) {
        animation-delay: 0.4s;
        height: 13px;
      }
      .w-bar:nth-child(6) {
        animation-delay: 0.5s;
        height: 7px;
      }
      .w-bar:nth-child(7) {
        animation-delay: 0.25s;
        height: 11px;
      }
      .w-bar:nth-child(8) {
        animation-delay: 0.1s;
        height: 8px;
      }
      .chat-divider {
        display: none;
        align-items: center;
        gap: 10px;
        margin: 0;
        opacity: 0;
      }
      .divider-line {
        flex: 1;
        height: 1px;
        background: #d4e3f7;
      }
      .divider-txt {
        font-size: 10px;
        color: #7a8fae;
        letter-spacing: 1px;
        white-space: nowrap;
      }
      .demo-cta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        padding: 18px 22px;
        background: #f2f7ff;
        border-top: 1px solid #dce8f8;
        transition: opacity 0.28s ease;
      }
      .demo-cta__txt {
        font-size: 13px;
        color: #6b7f9d;
      }
      .demo-control {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 10px 16px;
        border-radius: 12px;
        border: 1px solid #c6daf7;
        background: #ffffff;
        color: #225aab;
        font-size: 13px;
        font-weight: 700;
        cursor: pointer;
        transition: all 0.2s ease;
      }
      .demo-control:hover {
        background: #edf5ff;
        border-color: #afcbee;
        color: #1f4e96;
      }
      .demo-control svg {
        width: 16px;
        height: 16px;
      }
      .demo-cta.demo-cta--control {
        justify-content: flex-end;
      }
      .voice-indicator {
        position: absolute;
        display: none;
        align-items: center;
        gap: 4px;
        height: 24px;
        padding: 8px 12px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.96);
        border: 1px solid #c7dcf8;
        box-shadow: 0 8px 20px rgba(30, 79, 151, 0.18);
        z-index: 2;
      }
      .voice-indicator span {
        width: 4px;
        background: var(--accent);
        border-radius: 3px;
        animation: wave 0.9s ease-in-out infinite;
      }
      .voice-indicator span:nth-child(1) {
        height: 8px;
      }
      .voice-indicator span:nth-child(2) {
        height: 16px;
        animation-delay: 0.12s;
      }
      .voice-indicator span:nth-child(3) {
        height: 22px;
        animation-delay: 0.24s;
      }
      .voice-indicator span:nth-child(4) {
        height: 12px;
        animation-delay: 0.08s;
      }
      .msg-row .bubble {
        position: relative;
      }
      .msg-row.user-speaking .voice-indicator {
        display: flex;
        left: -10px;
        top: -20px;
      }
      .msg-row.bot-speaking .voice-indicator {
        display: flex;
        right: -10px;
        top: -20px;
      }
      .chat-divider {
        transform: translateY(8px);
        pointer-events: none;
      }
      .chat-divider.show {
        display: flex;
        margin: 18px 0;
        opacity: 0.48;
        transform: translateY(0);
        animation: msgIn 0.35s ease;
      }
      @keyframes msgIn {
        from {
          opacity: 0;
          transform: translateY(10px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }
      .typing-target {
        white-space: pre-wrap;
      }