.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100dvh;
    overflow: hidden;
}

.page-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100dvh;
    overflow: hidden;
    position: relative;
}

.content-wrap {
    flex: 1;
    overflow: hidden;
}

.page-footer {
    position: absolute;
    bottom: 0.35rem;
    left: 0.5rem;
    opacity: 0.15;
    font-size: 0.7rem;
    line-height: 1;
    padding: 0;
    pointer-events: none;
    z-index: 10;
}

.webrtc-shell {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.webrtc-sidebar {
    align-self: start;
}

.webrtc-main {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.invalid {
    outline: 1px solid red;
}

.webrtc-contact-carousel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    row-gap: 10px;
    column-gap: 10px;
    align-items: stretch;
    justify-items: stretch;
}

@media (max-width: 900px) {
    .webrtc-contact-carousel {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .webrtc-contact-carousel {
        grid-template-columns: minmax(0, 1fr);
    }
}

.webrtc-contact-carousel::-webkit-scrollbar {
    height: 8px;
}

.webrtc-contact-carousel::-webkit-scrollbar-thumb {
    background: #cbd5f5;
    border-radius: 999px;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto 0 auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #e0e0e0;
        stroke-width: 0.6rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: #1b6ec2;
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Loading");
    }

code {
    color: #c02d76;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* WebRTC UI styles */
.webrtc-page {
    max-width: 1100px;
    margin: 1rem auto;
    padding: 0 1rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.webrtc-layout {
    display: grid;
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.webrtc-profile-card {
    align-self: start;
    margin-top: 0.25rem;
    width: 100%;
}

.webrtc-contacts-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.webrtc-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    justify-items: center;
}

.webrtc-contact-card {
    width: 100%;
    gap: 0.5rem;
    margin: 0;
    box-sizing: border-box;
    position: relative;
}

.webrtc-contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.webrtc-contact-name-row {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.webrtc-contact-name-row strong {
    font-size: 1rem;
    line-height: 1.2;
}

.webrtc-contact-real-name {
    font-size: 0.78rem;
    font-weight: 400;
    color: #64748b;
    white-space: nowrap;
}

.webrtc-nickname-input {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.2rem 0.5rem;
    font-size: 0.88rem;
    border-radius: 6px;
    width: auto;
}

.webrtc-icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.1rem 0.25rem;
    font-size: 0.82rem;
    color: #94a3b8;
    border-radius: 4px;
    line-height: 1;
    transition: color 0.15s ease, background 0.15s ease;
    flex-shrink: 0;
}

.webrtc-icon-btn:hover {
    color: #1d4ed8;
    background: #eff6ff;
}

.webrtc-nickname-edit-btn {
    opacity: 0;
    transition: opacity 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.webrtc-contact-name-row:hover .webrtc-nickname-edit-btn {
    opacity: 1;
}

.webrtc-favorite-btn {
    position: absolute;
    top: 0.65rem;
    right: 0.75rem;
    background: none;
    border: none;
    padding: 0;
    line-height: 1;
    font-size: 1.25rem;
    color: #cbd5e1;
    cursor: pointer;
    transition: color 0.15s ease, transform 0.15s ease;
}

.webrtc-favorite-btn:hover,
.webrtc-favorite-btn.is-favorite {
    color: #f59e0b;
}

.webrtc-favorite-btn:hover {
    transform: scale(1.2);
}

.webrtc-contact-input {
    font-size: 0.85rem;
}

.webrtc-chat {
    border-top: 1px solid #e2e8f0;
    padding-top: 0.5rem;
}

.webrtc-chat summary {
    cursor: pointer;
    font-weight: 600;
    color: #1d4ed8;
    list-style: none;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.webrtc-chat summary::-webkit-details-marker {
    display: none;
}

.webrtc-chat summary::before {
    content: "\25B6";
    font-size: 0.65em;
    display: inline-block;
    transition: transform 0.15s ease;
    flex-shrink: 0;
}

.webrtc-chat[open] > summary::before {
    transform: rotate(90deg);
}

.webrtc-chat summary:hover {
    background: #eff6ff;
}

.webrtc-contact-card.is-active {
    border-color: #2563eb;
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.25);
}

.webrtc-contact-details span {
    display: block;
    font-size: 0.8rem;
    color: #64748b;
}

.webrtc-contact-status {
    margin-top: 0.25rem;
    font-weight: 600;
    color: #2563eb;
}

.webrtc-contact-status.is-connected {
    color: #16a34a;
}

.webrtc-contact-status.is-connecting {
    color: #d97706;
}

.webrtc-contact-status.is-failed {
    color: #dc2626;
}

/* Animated dots for connecting state */
.webrtc-dots-animation::after {
    content: '.';
    animation: webrtc-dots 1.5s steps(3, end) infinite;
    display: inline-block;
    width: 1.5em;
    text-align: left;
}

@keyframes webrtc-dots {
    0%, 20% {
        content: '.';
    }
    40%, 60% {
        content: '..';
    }
    80%, 100% {
        content: '...';
    }
}

.webrtc-contact-actions {
    display: flex;
    gap: 0.4rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.webrtc-contact-actions .webrtc-button {
    padding: 0.35rem 0.8rem;
    font-size: 0.82rem;
    font-weight: 600;
    min-width: 5.5rem;
    text-align: center;
    align-self: center;
    margin-top: 0;
    box-shadow: none;
}

.webrtc-button--danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.webrtc-contact-connect-button {
    align-self: flex-start;
    margin-top: 0.35rem;
    font-weight: 600;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.25);
}

.webrtc-call-highlight {
    border: 2px solid #2563eb;
    background: #eff6ff;
}

.webrtc-call-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.webrtc-contacts-extras {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.webrtc-inline-card {
    box-shadow: none;
}

.webrtc-header h1 {
    margin-bottom: 0.25rem;
}

.webrtc-header p {
    margin: 0;
    color: #4b5563;
}

.webrtc-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.webrtc-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.webrtc-field {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.webrtc-field-inline {
    flex-wrap: nowrap;
}

.webrtc-field-inline .webrtc-input {
    flex: 1 1 auto;
}

.webrtc-input,
.webrtc-textarea {
    width: 100%;
    border-radius: 10px;
    border: 1px solid #cbd5f5;
    padding: 0.65rem 0.75rem;
    font-size: 0.95rem;
    background: #f8fafc;
    color: #0f172a;
}

.webrtc-field .webrtc-input {
    flex: 1 1 240px;
}

.webrtc-textarea {
    min-height: 8rem;
    resize: vertical;
}

.webrtc-button {
    border: none;
    border-radius: 999px;
    padding: 0.55rem 1.25rem;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.webrtc-button:disabled {
    cursor: not-allowed;
    background: #94a3b8;
    box-shadow: none;
}

.webrtc-button:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.3);
}

.webrtc-status div {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-weight: 600;
    color: #0f172a;
}

.webrtc-messages {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.webrtc-message-bubble {
    padding: 0.6rem 0.85rem;
    border-radius: 10px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    max-width: 85%;
}

.webrtc-message-bubble.is-own {
    align-self: flex-end;
    background: #dbeafe;
    border-color: #93c5fd;
}

.webrtc-message-bubble.is-peer {
    align-self: flex-start;
    background: #f8fafc;
    border-color: #e2e8f0;
}

.webrtc-chat-input-row {
    margin: 0.5rem 0;
}

.webrtc-chat-compose {
    display: flex;
    align-items: center;
    gap: 0;
    margin: 0.5rem 0 0.35rem;
    background: #f8fafc;
    border-radius: 999px;
    border: 1px solid #e2e8f0;
    padding: 0.25rem 0.25rem 0.25rem 0.9rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.webrtc-chat-compose:focus-within {
    border-color: #93c5fd;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.webrtc-chat-input {
    flex: 1 1 0;
    min-width: 0;
    border: none;
    background: transparent;
    padding: 0.35rem 0;
    font-size: 0.9rem;
    color: #0f172a;
    outline: none;
}

.webrtc-chat-input::placeholder {
    color: #94a3b8;
}

.webrtc-chat-input:disabled {
    cursor: not-allowed;
    color: #94a3b8;
}

.webrtc-send-btn {
    flex-shrink: 0;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #ffffff;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: transform 0.15s ease, opacity 0.15s ease;
    line-height: 1;
}

.webrtc-send-btn:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
}

.webrtc-send-btn:not(:disabled):hover {
    transform: scale(1.1);
}

.webrtc-users {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.webrtc-users li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.webrtc-users span {
    display: block;
    font-size: 0.8rem;
    color: #64748b;
}

.webrtc-audio {
    width: 100%;
}

/* ── Drawer (reusable) ────────────────────────────────────────── */

:root {
    --drawer-toggle-w: 2.2rem;
    --drawer-toggle-h: 2.2rem;
    --drawer-left-w: min(300px, 88vw);
    --drawer-right-w: min(300px, 88vw);
    --drawer-top-h: 50dvh;
    --drawer-bottom-h: 50dvh;
}

.drawer {
    position: fixed;
    z-index: 1060;
    overflow: visible;
    transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
}

/* Left */
.drawer--left {
    left: 0; top: 0;
    height: 100dvh;
    width: var(--drawer-left-w);
    transform: translateX(calc(-100% + var(--drawer-toggle-w)));
}
.drawer--left.drawer--open { transform: translateX(0); }
.drawer--left .drawer-content {
    height: 100%;
    background: #fff;
    box-shadow: 4px 0 24px rgba(15,23,42,0.12);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.drawer--left .drawer-toggle {
    position: absolute;
    left: 100%; top: 50%;
    transform: translateY(-50%);
    border-radius: 0 6px 6px 0;
}

/* Right */
.drawer--right {
    right: 0; top: 0;
    height: 100dvh;
    width: var(--drawer-right-w);
    transform: translateX(calc(100% - var(--drawer-toggle-w)));
}
.drawer--right.drawer--open { transform: translateX(0); }
.drawer--right .drawer-content {
    height: 100%;
    background: #fff;
    box-shadow: -4px 0 24px rgba(15,23,42,0.12);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.drawer--right .drawer-toggle {
    position: absolute;
    right: 100%; top: 50%;
    transform: translateY(-50%);
    border-radius: 6px 0 0 6px;
}

/* Top */
.drawer--top {
    top: 0; left: 0; right: 0;
    height: var(--drawer-top-h);
    transform: translateY(calc(-100% + var(--drawer-toggle-h)));
}
.drawer--top.drawer--open { transform: translateY(0); }
.drawer--top .drawer-content {
    height: 100%;
    background: #fff;
    box-shadow: 0 4px 24px rgba(15,23,42,0.12);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.drawer--top .drawer-toggle {
    position: absolute;
    top: 100%; left: 50%;
    transform: translateX(-50%);
    border-radius: 0 0 6px 6px;
}

/* Bottom */
.drawer--bottom {
    bottom: 0; left: 0; right: 0;
    height: var(--drawer-bottom-h);
    transform: translateY(calc(100% - var(--drawer-toggle-h)));
}
.drawer--bottom.drawer--open { transform: translateY(0); }
.drawer--bottom .drawer-content {
    height: 100%;
    background: #fff;
    box-shadow: 0 -4px 24px rgba(15,23,42,0.12);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.drawer--bottom .drawer-toggle {
    position: absolute;
    bottom: 100%; left: 50%;
    transform: translateX(-50%);
    border-radius: 6px 6px 0 0;
}

/* Docked — permanently visible, part of normal flow */
.drawer--docked {
    position: relative;
    height: 100%;
    width: var(--drawer-left-w);
    flex-shrink: 0;
    transform: none;
    overflow: visible;
    z-index: 1;
    border-right: 1px solid #e5e7eb;
}
.drawer--docked .drawer-content {
    height: 100%;
    background: #f8fafc;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    box-shadow: none;
}

/* Modal variant — covers entire viewport */
.drawer--modal {
    inset: 0;
    width: auto; height: auto;
    transform: scale(0.96);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
    z-index: 2000;
}
.drawer--modal.drawer--open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
}
.drawer--modal .drawer-content {
    height: 100%;
    overflow-y: auto;
    background: #fff;
    display: flex;
    flex-direction: column;
}
.drawer--modal .drawer-toggle {
    position: fixed;
    top: 1rem; right: 1rem;
    border-radius: 6px;
}

/* Toggle button (shared) */
.drawer-toggle {
    width: var(--drawer-toggle-w);
    height: var(--drawer-toggle-h);
    background: #2563eb;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    padding: 0.4rem 0.45rem;
    box-shadow: 2px 2px 8px rgba(37,99,235,0.3);
    transition: background 0.15s ease;
    z-index: 1070;
    flex-shrink: 0;
}
.drawer-toggle:hover { background: #1d4ed8; }

.drawer-toggle span {
    display: block;
    width: 15px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
    transform-origin: center;
}
.drawer-toggle--open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.drawer-toggle--open span:nth-child(2) { opacity: 0; }
.drawer-toggle--open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Backdrop */
.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.4);
    z-index: 1050;
    backdrop-filter: blur(2px);
}
.drawer-backdrop--modal { z-index: 1990; }

/* ── Sidebar content (inside drawer) ─────────────────────────── */

.sidebar-header {
    padding: 1rem 1rem 0.6rem;
    border-bottom: 1px solid #e5e7eb;
    flex-shrink: 0;
}
.sidebar-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: #0f172a;
}
.sidebar-filter {
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid #e5e7eb;
    flex-shrink: 0;
}
.sidebar-search { font-size: 0.85rem; padding: 0.45rem 0.65rem; }
.sidebar-list {
    flex: 1 1 0;
    overflow-y: auto;
    padding: 0.4rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.sidebar-list::-webkit-scrollbar { width: 5px; }
.sidebar-list::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 999px; }
.sidebar-empty {
    text-align: center;
    color: #94a3b8;
    font-size: 0.85rem;
    margin-top: 1.5rem;
}

/* ── Contact list item ────────────────────────────────────────── */

.contact-list-item {
    width: 100%;
    background: transparent;
    border: none;
    text-align: left;
    padding: 0.55rem 0.6rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    gap: 0.6rem;
    align-items: center;
    transition: background 0.1s ease;
}
.contact-list-item:hover { background: #f1f5f9; }
.contact-list-item--selected { background: #eff6ff; }
.contact-list-item--selected:hover { background: #dbeafe; }

.contact-list-avatar {
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.contact-list-item--online .contact-list-avatar { background: linear-gradient(135deg, #16a34a, #15803d); }
.contact-list-item--in-call .contact-list-avatar { background: linear-gradient(135deg, #7c3aed, #4f46e5); }
.contact-list-item--incoming .contact-list-avatar { background: linear-gradient(135deg, #2563eb, #0ea5e9); animation: badge-pulse 1.2s ease infinite; }

.contact-list-info {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
    flex: 1 1 0;
}
.contact-list-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: #0f172a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.contact-list-status {
    font-size: 0.73rem;
    color: #64748b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.contact-list-item--online .contact-list-status { color: #16a34a; }
.contact-list-item--connecting .contact-list-status { color: #d97706; }
.contact-list-item--in-call .contact-list-status { color: #7c3aed; }
.contact-list-item--incoming .contact-list-status { color: #2563eb; font-weight: 600; }

.contact-list-badge {
    font-size: 0.9rem;
    flex-shrink: 0;
}
.contact-list-badge--call { animation: badge-pulse 1.2s ease infinite; }

.contact-list-fav {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.7rem;
    color: #cbd5e1;
    padding: 0.1rem 0.15rem;
    border-radius: 4px;
    line-height: 1;
    flex-shrink: 0;
    transition: color 0.15s ease;
}
.contact-list-fav:hover           { color: #f59e0b; }
.contact-list-fav--active         { color: #f59e0b; }

@keyframes badge-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.7; transform: scale(1.15); }
}

/* ── Sidebar resize handle ───────────────────────────────────── */

.sidebar-resizer {
    width: 5px;
    flex-shrink: 0;
    cursor: ew-resize;
    background: transparent;
    transition: background 0.15s ease;
    position: relative;
    z-index: 10;
}
.sidebar-resizer::after {
    content: '';
    position: absolute;
    inset: 0 -3px;   /* wider invisible hit area */
}
.sidebar-resizer:hover { background: rgba(147, 197, 253, 0.6); }

/* ── Video call fullscreen screen ────────────────────────────── */

.video-call-screen {
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.video-call-remote {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.video-call-local {
    position: absolute;
    bottom: 6rem;
    right: 1rem;
    width: 180px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    background: #111;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    z-index: 1;
}
.video-call-overlay {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
}
.video-call-hangup {
    padding: 0.65rem 2rem;
    font-size: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.webphone-shell {
    flex: 1;
    display: flex;
    flex-direction: row;
    overflow: hidden;
    min-height: 0;
}
.webphone-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}
.webphone-topbar {
    flex-shrink: 0;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid #e5e7eb;
    background: #fff;
}
.webphone-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 0.95rem;
}
.contact-panel {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

/* ── Contact detail (center panel) ───────────────────────────── */

.contact-detail {
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: auto;
    background: #fff;
}
.contact-detail-header {
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid #e5e7eb;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.contact-detail-name {
    font-size: 1.05rem;
    line-height: 1.2;
}
.contact-detail-favorite--active { color: #f59e0b; }
.contact-detail-actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    align-items: center;
}

.contact-settings-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 0.35rem;
    padding: 0.2rem 0.45rem;
    border: 1px solid #e2e8f0;
    border-radius: 999px;
    background: #f8fafc;
}

.contact-setting-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.78rem;
    color: #334155;
}

.contact-setting-inline input[type=checkbox] {
    width: 0.9rem;
    height: 0.9rem;
    accent-color: #2563eb;
}
.contact-detail-actions .webrtc-button {
    padding: 0.35rem 0.85rem;
    font-size: 0.82rem;
    min-width: 0;
}

/* ── Chat messages & compose ─────────────────────────────────── */

.chat-messages {
    flex: 1 1 0;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    min-height: 0;
}
.chat-messages::-webkit-scrollbar { width: 5px; }
.chat-messages::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 999px; }

.chat-empty {
    text-align: center;
    color: #94a3b8;
    font-size: 0.85rem;
    margin: auto;
}

.chat-compose {
    padding: 0.65rem 1rem;
    border-top: 1px solid #e5e7eb;
    flex-shrink: 0;
    display: flex;
    gap: 0.5rem;
    align-items: center;
    background: #fff;
}
.chat-compose .webrtc-chat-input {
    flex: 1 1 0;
    min-width: 0;
    border: 1px solid #e2e8f0;
    border-radius: 999px;
    padding: 0.45rem 0.9rem;
    font-size: 0.9rem;
    background: #f8fafc;
    outline: none;
    transition: border-color 0.15s;
}
.chat-compose .webrtc-chat-input:focus { border-color: #93c5fd; }
.chat-compose .webrtc-chat-input:disabled { color: #94a3b8; cursor: not-allowed; }

/* ═══════════════════════════════════════════════════════════════
   Mobile  (≤ 767 px)
   The sidebar becomes a fixed overlay (IsDocked=false in Blazor),
   so all docked-specific spacing is gone — main fills full width.
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 767px) {

    /* ── Sidebar ──────────────────────────────────────────────── */

    /* Resizer is meaningless on touch — hide it */
    .sidebar-resizer { display: none; }

    /* Fully hide the drawer when closed; the toggle button still pokes out
       because position:absolute left:100% on a -100%-translated drawer
       places it exactly at viewport left = 0. */
    .drawer--left {
        transform: translateX(-100%);
    }

    /* Toggle button: top of viewport, not vertically centred */
    .drawer--left .drawer-toggle {
        top: 0.75rem;
        transform: none;
        width: 2.8rem;
        height: 2.8rem;
        border-radius: 0 10px 10px 0;
    }

    /* When the drawer IS open, move the button inside as a ✕ close button */
    .drawer--left.drawer--open .drawer-toggle {
        left: auto;
        right: 0.6rem;
        border-radius: 8px;
    }

    /* ── Main content ─────────────────────────────────────────── */

    .webphone-main { min-width: 0; }

    /* Compact topbar */
    .webphone-topbar { padding: 0.4rem 0.6rem; }

    /* ── Contact list items ──────────────────────────────────── */

    .contact-list-item {
        min-height: 3.2rem;
        padding: 0.5rem 0.75rem;
    }

    /* ── Contact detail ───────────────────────────────────────── */

    .contact-detail { padding: 0.6rem; }

    /* Action buttons: two per row, large tap target */
    .contact-detail-actions {
        flex-wrap: wrap;
        gap: 0.4rem;
    }
    .contact-detail-actions .webrtc-button {
        flex: 1 1 calc(50% - 0.2rem);
        min-width: 7rem;
        padding-block: 0.7rem;
        font-size: 0.9rem;
    }

    /* ── Prevent iOS from zooming into inputs (<16 px triggers it) */
    input, textarea, select {
        font-size: max(1rem, 16px) !important;
    }

    /* ── Profile / home page ─────────────────────────────────── */

    .webrtc-field-inline { flex-wrap: wrap; }

    .webrtc-profile-card { padding: 0.75rem; }

    /* ── Chat ─────────────────────────────────────────────────── */

    .chat-compose { padding: 0.4rem 0.5rem; gap: 0.4rem; }

    /* ── Video call PiP: smaller on phone ─────────────────────── */

    .video-call-local {
        width: 110px;
        bottom: 5rem;
        right: 0.4rem;
    }
}


/* ── Persistent chat panel ───────────────────────────────────────────── */

.pchat {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 220px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
    margin-top: 0;
}

.pchat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 0.75rem 0.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    scroll-behavior: smooth;
}

.pchat-empty {
    margin: auto;
    color: #94a3b8;
    font-size: 0.875rem;
    text-align: center;
    padding: 2rem 1rem;
}

.pchat-message {
    display: flex;
    flex-direction: column;
    max-width: 72%;
}

.pchat-message.pchat-own  { align-self: flex-end;  align-items: flex-end; }
.pchat-message.pchat-peer { align-self: flex-start; align-items: flex-start; }

.pchat-bubble {
    padding: 0.45rem 0.75rem;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.45;
    word-break: break-word;
    white-space: pre-wrap;
}

.pchat-own  .pchat-bubble { background: #2563eb; color: #fff; border-bottom-right-radius: 4px; }
.pchat-peer .pchat-bubble { background: #f1f5f9; color: #0f172a; border-bottom-left-radius: 4px; }

.pchat-meta {
    font-size: 0.7rem;
    color: #94a3b8;
    margin-top: 2px;
    padding: 0 0.25rem;
}

.pchat-compose {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.6rem;
    border-top: 1px solid #e5e7eb;
    background: #f8fafc;
}

.pchat-input {
    flex: 1;
    border-radius: 999px;
    padding: 0.45rem 0.9rem;
    font-size: 0.9rem;
    background: #fff;
    outline: none;
    transition: border-color 0.15s;
}
.pchat-input:focus { border-color: #93c5fd; }

@media (max-width: 767px) {
    .pchat { min-height: 180px; }
    .pchat-message { max-width: 88%; }
}

/* ── Profile & contact settings UI ─────────────────────────────── */

.profile-header-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.profile-gear {
    font-size: 1.15rem;
    padding: 0.35rem 0.45rem;
}

.profile-settings-panel,
.contact-settings-card {
    margin-top: 0.55rem;
}

.contact-settings-title {
    margin: 0 0 0.45rem;
    font-size: 0.9rem;
    color: #334155;
}

.profile-setting-row {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0.25rem 0;
    font-size: 0.88rem;
    color: #334155;
}

.profile-setting-row input[type=checkbox] {
    width: 1rem;
    height: 1rem;
    accent-color: #2563eb;
}

/* ── Layout profile dropdown + registration gate ───────────────────── */

.layout-topbar-right {
    display: flex;
    justify-content: flex-end;
    padding: 0.55rem 0.8rem 0.15rem;
}

.profile-avatar-btn {
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 999px;
    border: 1px solid #cbd5e1;
    background: #f8fafc;
    color: #0f172a;
    font-weight: 600;
    font-size: 1.15rem;
    cursor: pointer;
}

.profile-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 2190;
    background: transparent;
}

.profile-menu-popover {
    position: fixed;
    top: 3.1rem;
    right: 0.75rem;
    z-index: 2200;
    width: min(360px, calc(100vw - 1.5rem));
}

.profile-dropdown-card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.14);
    padding: 0.75rem;
}

.profile-field-label {
    display: block;
    font-size: 0.76rem;
    color: #64748b;
    margin-bottom: 0.25rem;
}

.profile-name-input {
    width: 100%;
    margin-bottom: 0.45rem;
}

.profile-id {
    margin: 0.35rem 0 0;
    font-size: 0.72rem;
    color: #94a3b8;
    word-break: break-all;
}

.register-gate {
    position: fixed;
    inset: 0;
    z-index: 2300;
    background: #f8fafc;
    display: grid;
    place-items: center;
}

.register-gate-card {
    width: min(420px, calc(100vw - 2rem));
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.12);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.register-gate-card h2 {
    margin: 0;
    font-size: 1.1rem;
}

.register-gate-card p {
    margin: 0;
    color: #64748b;
    font-size: 0.9rem;
}

.register-name-input {
    width: 100%;
}

@media (max-width: 767px) {
    .profile-menu-popover {
        top: 3.4rem;
        right: 0.5rem;
        width: calc(100vw - 1rem);
    }
}