/* Base layout */
html, body {
    background: #f2f4f5;
    overflow: hidden;
    height: 100%;
    margin: 0;
}

.lc-card {
    width: 320px;
    height: 540px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.lc-header {
    background: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%);
    color: #fff;
    padding: 12px 14px;
    font-weight: 600;
}

.lc-messages {
    flex: 1;
    background: #f7fafb;
    padding: 10px;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: #c1c1c1 transparent;
}

.lc-messages::-webkit-scrollbar {
    width: 6px;
}

.lc-messages::-webkit-scrollbar-track {
    background: transparent;
}

.lc-messages::-webkit-scrollbar-thumb {
    background-color: #c1c1c1;
    border-radius: 3px;
}

.lc-input {
    padding: 10px;
    background: #fff;
    border-top: 1px solid #e5e7eb;
}

.msg {
    max-width: 80%;
    padding: 8px 10px;
    border-radius: 14px;
    margin: 6px 0;
    font-size: 18px;
}

.msg.me {
    background: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%);
    color: #fff;
    margin-left: auto;
}

.msg.other {
    background: #EFF6FF;
    color: #1E40AF;
}

.msg.system {
    background: #ededed;
    color: #444;
    font-size: 14px;
}

.msg.card-tip {
    background: #fff7e6;
    color: #7a3e00;
    border: 1px dashed #f0ad4e;
}

.msg.card-answered {
    background: #eef7ff;
    color: #0b3d91;
    border: 1px solid #9ec5fe;
}

.msg.card-cancelled {
    background: #f8f9fa;
    color: #6c757d;
    border: 1px solid #dee2e6;
}

.card-ui {
    background: #fff;
    border: 1px solid #f0ad4e;
    padding: 10px;
    border-radius: 10px;
}

.card-ui h6 {
    margin: 0 0 8px 0;
    font-weight: 700;
}

.card-ui .actions {
    margin-top: 8px;
}

.lc-gate {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    overflow: hidden;
    padding: 20px 10px;
}

.lc-gate.is-hidden {
    display: none !important;
}

.lc-hidden {
    display: none !important;
}

.lc-gate-card {
    width: 320px;
    max-height: 95vh;
    overflow-y: auto;
    overflow-x: hidden;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    scrollbar-width: thin;
    scrollbar-color: #c1c1c1 transparent;
}

.lc-gate-card::-webkit-scrollbar {
    width: 6px;
}

.lc-gate-card::-webkit-scrollbar-track {
    background: transparent;
}

.lc-gate-card::-webkit-scrollbar-thumb {
    background-color: #c1c1c1;
    border-radius: 3px;
}

.lc-gate-header {
    background: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%);
    color: #fff;
    padding: 12px 14px;
    font-weight: 600;
    border-radius: 12px 12px 0 0;
}

.lc-gate-body {
    padding: 14px;
}

.privacy-check {
    margin-top: 4px;
    cursor: pointer;
}

.privacy-label {
    cursor: pointer;
    user-select: none;
    font-size: 14px;
}

.privacy-link {
    color: #0d6efd;
    text-decoration: underline;
}

#gSubmit {
    font-weight: 600;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}

#gSubmit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

@media (max-width: 575.98px) {
    html, body {
        padding: 0 !important;
        overflow: hidden;
    }

    .lc-card {
        width: 100%;
        height: 100vh;
        border-radius: 0;
    }

    .lc-gate {
        padding: 0;
        align-items: stretch;
    }

    .lc-gate-card {
        width: 100%;
        max-height: 100vh;
        height: 100vh;
        border-radius: 0;
    }

    .lc-gate-body {
        padding-bottom: 20px;
        overflow-y: auto;
        max-height: calc(100vh - 50px);
    }
}