:root {
    --bg-dark: #000000;
    --brand-orange: #E2E8F0;
    --slate-light: #E2E8F0;
    --white: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.06);
    --card-border: rgba(255, 255, 255, 0.2);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    --chat-page-bg: linear-gradient(150deg, #0a0d14 0%, #111827 100%);
    --chat-wallpaper-color: transparent;
    --chat-wallpaper-image: none;
    --ui-text: #ffffff;
    --ui-muted: #e2e8f0;
    --ui-surface: rgba(255, 255, 255, 0.06);
    --ui-surface-strong: rgba(255, 255, 255, 0.1);
    --ui-border: rgba(255, 255, 255, 0.2);
    --ui-border-strong: rgba(255, 255, 255, 0.36);
    --icon-bg: rgba(255, 255, 255, 0.05);
    --icon-border: rgba(226, 232, 240, 0.25);
    --bubble-incoming-bg: rgba(255, 255, 255, 0.08);
    --bubble-outgoing-bg: rgba(226, 232, 240, 0.22);
    --bubble-outgoing-text: #0b1120;
    --bubble-outgoing-meta: rgba(15, 23, 42, 0.8);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-dark);
    color: var(--slate-light);
    line-height: 1.55;
    position: relative;
    overflow-x: hidden;
}

.splash-body {
    display: grid;
    place-items: center;
    min-height: 100vh;
    isolation: isolate;
}

.splash-main {
    width: min(620px, 94vw);
    display: grid;
    justify-items: center;
    gap: 0;
    position: relative;
    z-index: 2;
}


.orbit {
    position: absolute;
    border: 1px solid rgba(226, 232, 240, 0.18);
    border-radius: 50%;
    z-index: 1;
}

.orbit-1 {
    width: min(520px, 92vw);
    animation: orbitSpin 18s linear infinite;
}

.orbit-2 {
    width: min(420px, 78vw);
    aspect-ratio: 1;
    border-color: rgba(255, 255, 255, 0.45);
    animation: orbitSpin 12s linear infinite reverse;
}

.splash-logo {
    --logo-shift-x: 0px;
    --logo-shift-y: 0px;
    position: relative;
    width: min(460px, 88vw);
    aspect-ratio: 1;
    border-radius: 30%;
    border: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    display: grid;
    place-items: center;
    cursor: pointer;
    padding: 0;
    transform-style: preserve-3d;
    transition: transform 0.08s linear;
    z-index: 3;
    overflow: hidden;
}

.splash-logo.is-entering {
    pointer-events: none;
    animation: logoSlideIn 0.9s cubic-bezier(0.2, 0.78, 0.22, 1.02) forwards;
}

.splash-logo.is-bouncing {
    pointer-events: none;
    animation: logoBounceThree 1.35s ease-out forwards;
}

.splash-logo.is-settled,
.splash-logo:not(.is-entering):not(.is-bouncing) {
    transform: translateX(0);
}

.splash-logo:focus-visible {
    outline: 3px solid var(--brand-orange);
    outline-offset: 8px;
}

.pulse-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.58);
    pointer-events: none;
    opacity: 0;
    transform: scale(0.82);
}

.pulse-ring-1 {
    inset: 9%;
}

.pulse-ring-2 {
    inset: 15%;
    border-color: rgba(226, 232, 240, 0.68);
}

.splash-logo.show-rings .pulse-ring-1 {
    animation: ringReveal 0.4s ease-out forwards, ringPulse 3.6s ease-out infinite 0.4s;
}

.splash-logo.show-rings .pulse-ring-2 {
    animation: ringReveal 0.4s ease-out forwards 0.2s, ringPulse 3.6s ease-out infinite 1.4s;
}

.splash-orbit {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transform-origin: center;
    opacity: 0;
    transform: scale(0.82);
}

.splash-orbit-a {
    inset: 8%;
}

.splash-orbit-b {
    inset: 20%;
    border-color: rgba(226, 232, 240, 0.55);
}

.splash-logo.show-rings .splash-orbit-a {
    animation: ringReveal 0.4s ease-out forwards 0.1s, orbitSpin 16s linear infinite 0.5s;
}

.splash-logo.show-rings .splash-orbit-b {
    animation: ringReveal 0.4s ease-out forwards 0.3s, orbitSpin 12s linear infinite reverse 0.7s;
}

.splash-orbit::before {
    content: "";
    position: absolute;
    top: -3px;
    left: 50%;
    width: 7px;
    aspect-ratio: 1;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 0 16px rgba(226, 232, 240, 0.85);
    transform: translateX(-50%);
}

.logo-core {
    width: 62%;
    aspect-ratio: 1;
    border-radius: 24%;
    display: grid;
    place-items: center;
    transform: translate3d(var(--logo-shift-x), var(--logo-shift-y), 24px);
    transition: transform 0.12s ease-out;
    box-shadow: none;
    animation: logoHover 6.4s ease-in-out infinite;
}


.splash-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 22%;
    border: 0;
    filter: drop-shadow(0 14px 30px rgba(0, 0, 0, 0.28));
}

.site-header,
.hero,
.features,
.site-footer {
    width: min(1120px, 92vw);
    margin: 0 auto;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    text-decoration: none;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.brand i {
    color: var(--brand-orange);
    font-size: 1.2rem;
}

.ghost-btn,
.primary-btn,
.secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.ghost-btn {
    border: 1px solid var(--card-border);
    color: var(--slate-light);
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.03);
}

.hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 28px;
    align-items: center;
    padding: 30px 0 18px;
}

.eyebrow {
    color: var(--brand-orange);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.8rem;
    margin-bottom: 8px;
}

.hero h1 {
    margin: 0;
    font-size: clamp(1.9rem, 4vw, 3.5rem);
    color: var(--white);
    line-height: 1.1;
}

.lead {
    margin-top: 16px;
    max-width: 58ch;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.primary-btn,
.secondary-btn {
    padding: 12px 20px;
    font-weight: 600;
}

.primary-btn {
    background: var(--brand-orange);
    color: var(--bg-dark);
    box-shadow: 0 6px 20px rgba(226, 232, 240, 0.4);
}

.secondary-btn {
    border: 1px solid var(--card-border);
    color: var(--white);
    background: rgba(255, 255, 255, 0.04);
}

.hero-logo {
    position: relative;
    display: grid;
    place-items: center;
    text-align: center;
    min-height: 410px;
    border-radius: 28px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow);
    transform-style: preserve-3d;
    transition: transform 0.08s linear;
    overflow: hidden;
}

.logo-glow {
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.42) 0%, transparent 70%);
    filter: blur(10px);
}

.hero-logo img {
    width: min(220px, 55%);
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 12px 40px rgba(226, 232, 240, 0.35);
}

.hero-logo p {
    margin-top: 16px;
    color: var(--white);
    font-weight: 600;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin: 30px auto 40px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 22px;
    backdrop-filter: blur(7px);
}

.feature-card i {
    color: var(--brand-orange);
    font-size: 1.5rem;
}

.feature-card h2 {
    margin: 10px 0 8px;
    color: var(--white);
    font-size: 1.15rem;
}

.site-footer {
    padding: 4px 0 30px;
    color: rgba(226, 232, 240, 0.8);
    text-align: center;
    font-size: 0.95rem;
}

.error-body {
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 18px;
}

.error-box {
    width: min(620px, 95vw);
    text-align: center;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    padding: 32px 20px;
    box-shadow: var(--shadow);
}

.error-box i {
    font-size: 2.2rem;
    color: var(--brand-orange);
}

.error-box h1 {
    margin: 12px 0 10px;
    color: var(--white);
}

.ghost-btn:hover,
.primary-btn:hover,
.secondary-btn:hover {
    transform: translateY(-2px);
}

@keyframes drift {
    from {
        transform: translate3d(0, 0, 0);
    }
    to {
        transform: translate3d(16px, -12px, 0);
    }
}

@keyframes ringPulse {
    0% {
        transform: scale(0.92);
        opacity: 0.65;
    }
    65% {
        transform: scale(1.06);
        opacity: 0.25;
    }
    100% {
        transform: scale(1.14);
        opacity: 0;
    }
}

@keyframes ringReveal {
    from {
        opacity: 0;
        transform: scale(0.82);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes auroraDrift {
    0%,
    100% {
        transform: translateX(-50%) scale(1);
    }
    50% {
        transform: translateX(-50%) scale(1.08);
    }
}

@keyframes orbitSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes logoSlideIn {
    0% {
        transform: translateX(calc(-58vw - 300px));
    }
    100% {
        transform: translateX(0);
    }
}

@keyframes logoBounceThree {
    0% {
        transform: translateX(0) translateY(0);
    }
    17% {
        transform: translateX(0) translateY(-42px);
    }
    32% {
        transform: translateX(0) translateY(0);
    }
    49% {
        transform: translateX(0) translateY(-24px);
    }
    64% {
        transform: translateX(0) translateY(0);
    }
    79% {
        transform: translateX(0) translateY(-12px);
    }
    90% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(0) translateY(0);
    }
}

@keyframes logoHover {
    0%,
    100% {
        transform: translate3d(var(--logo-shift-x), var(--logo-shift-y), 20px);
    }
    50% {
        transform: translate3d(var(--logo-shift-x), calc(var(--logo-shift-y) - 5px), 26px);
    }
}

.chat-page {
    background: linear-gradient(150deg, #0a0d14 0%, #111827 100%);
    color: var(--white);
    height: 100dvh;
    overflow: hidden;
}

.chat-shell {
    width: min(1320px, 100vw);
    height: 100dvh;
    margin: 0 auto;
    padding: 10px;
    display: grid;
    grid-template-columns: minmax(300px, 360px) 1fr;
    gap: 14px;
}

.chat-sidebar,
.chat-panel {
    border: 1px solid var(--ui-border);
    background: var(--ui-surface);
    backdrop-filter: blur(7px);
    border-radius: 22px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

.chat-sidebar {
    display: grid;
    grid-template-rows: auto 1fr auto;
    overflow: hidden;
}

.chat-sidebar-mid {
    display: grid;
    grid-template-rows: auto 1fr;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

.chat-panel {
    display: grid;
    grid-template-rows: auto 1fr auto;
    overflow: hidden;
    position: relative;
}

.chat-sidebar-top,
.chat-panel-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    border-bottom: 1px solid var(--ui-border);
}

.chat-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--white);
    font-weight: 700;
    letter-spacing: 0.06em;
    font-size: 0.92rem;
}

.chat-brand img,
.chat-current-user img,
.chat-user img {
    width: 38px;
    height: 38px;
    object-fit: cover;
    border-radius: 50%;
    border: 1px solid rgba(226, 232, 240, 0.38);
}

.chat-current-user {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.chat-panel-left {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    flex: 1 1 auto;
}

.chat-back-btn {
    display: none;
}

@media (min-width: 761px) {
    .chat-back-btn {
        display: none !important;
    }
}

.chat-current-user span {
    display: inline-flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.chat-current-user strong {
    font-size: 1rem;
}

.chat-current-user small {
    color: rgba(226, 232, 240, 0.8);
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    gap: 4px;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#chatCurrentStatus {
    flex: 0 0 auto;
}

.chat-presence-sep {
    flex: 0 0 auto;
    opacity: 0.75;
}

#chatCurrentSeen {
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-top-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.chat-message-searchbar {
    position: absolute;
    top: 68px;
    left: 14px;
    right: 14px;
    z-index: 12;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 16px;
    background: var(--ui-surface-strong);
    border: 1px solid var(--ui-border);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(16px);
}

.chat-message-searchbar[hidden],
.chat-message-menu[hidden] {
    display: none !important;
}

.chat-message-searchbar i {
    color: var(--ui-muted);
    font-size: 1rem;
}

.chat-message-searchbar input {
    width: 100%;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--white);
    font: inherit;
}

.chat-message-searchbar input::placeholder {
    color: var(--ui-muted);
}

.chat-message-search-close {
    border: 0;
    background: var(--ui-surface);
    color: var(--ui-text);
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-grid;
    place-items: center;
    cursor: pointer;
}

.chat-message-menu {
    position: absolute;
    top: 68px;
    right: 14px;
    z-index: 13;
    display: grid;
    gap: 6px;
    width: min(300px, calc(100% - 28px));
    padding: 10px;
    border-radius: 16px;
    background: var(--ui-surface-strong);
    border: 1px solid var(--ui-border);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(18px);
}

.chat-message-menu button {
    width: 100%;
    border: 0;
    border-radius: 12px;
    padding: 11px 12px;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 10px;
    text-align: left;
    background: var(--ui-surface);
    color: var(--ui-text);
    cursor: pointer;
}

.chat-message-menu button i {
    font-size: 1rem;
    color: var(--ui-muted);
}

.chat-message-menu button:hover {
    background: var(--ui-surface-strong);
}

.chat-message-menu button:focus-visible {
    outline: 2px solid var(--ui-border-strong);
    outline-offset: 2px;
}

.chat-status-banner {
    margin: 0 0 8px;
    padding: 9px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.16);
    color: rgba(248, 250, 252, 0.92);
    font-size: 0.84rem;
    text-align: center;
}

.chat-status-banner[data-type="danger"] {
    background: rgba(239, 68, 68, 0.16);
    border-color: rgba(239, 68, 68, 0.32);
}

.chat-status-banner[data-type="warning"] {
    background: rgba(245, 158, 11, 0.16);
    border-color: rgba(245, 158, 11, 0.32);
}

.chat-live-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.5rem;
    height: 1.5rem;
    padding: 0 0.4rem;
    margin-left: auto;
    border-radius: 999px;
    background: rgba(239, 68, 68, 0.92);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1;
}

.bubble.is-selected {
    outline: 2px solid rgba(255, 255, 255, 0.78);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08);
}

.chat-composer.is-locked {
    opacity: 0.55;
}

.chat-composer.is-locked textarea,
.chat-composer.is-locked .chat-icon-btn {
    pointer-events: none;
}

.chat-panel-top .chat-top-actions {
    flex: 0 0 auto;
    gap: 10px;
}

.chat-panel-top .chat-top-actions .chat-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 11px;
}

.chat-icon-btn {
    border: 1px solid var(--icon-border);
    background: var(--icon-bg);
    color: var(--ui-text);
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-grid;
    place-items: center;
    cursor: pointer;
    transition: transform 0.15s ease, background-color 0.15s ease;
}

.chat-icon-btn:hover {
    transform: translateY(-1px);
    background: var(--ui-surface-strong);
}

.chat-icon-btn.is-active {
    background: #ffffff;
    color: #0a0d14;
    border-color: #ffffff;
}

.chat-send {
    background: var(--slate-light);
    color: #0a0d14;
    border-color: transparent;
}

.chat-icon-main {
    background: var(--icon-bg);
    color: var(--ui-text);
    border-color: var(--icon-border);
}

.chat-user-list {
    overflow-y: auto;
    overflow-x: hidden;
    padding: 6px;
    display: grid;
    gap: 6px;
    min-height: 0;
}

.chat-ads {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(70px, 80px);
    gap: 8px;
    padding: 8px 8px 8px;
    overflow-x: auto;
    overflow-y: hidden;
    border-bottom: 1px solid rgba(226, 232, 240, 0.14);
}

.chat-ads[hidden] {
    display: none !important;
}

.sidebar-search-wrap {
    margin: 8px 8px 2px;
    border: 1px solid rgba(226, 232, 240, 0.26);
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 8px 10px;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 8px;
}

.sidebar-search-wrap[hidden] {
    display: none !important;
}

.sidebar-search-wrap i {
    color: rgba(226, 232, 240, 0.78);
}

.sidebar-search-wrap input {
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--white);
    font: inherit;
    min-width: 0;
}

.sidebar-search-wrap input::placeholder {
    color: rgba(226, 232, 240, 0.64);
}

.sidebar-inline-panel {
    margin: 8px 8px 6px;
    display: grid;
    gap: 8px;
}

.sidebar-inline-panel[hidden] {
    display: none !important;
}

.chat-ad-card {
    appearance: none;
    text-align: center;
    border: 1px solid rgba(226, 232, 240, 0.24);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(226, 232, 240, 0.05));
    border-radius: 16px;
    padding: 8px 6px;
    min-height: 86px;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 7px;
    cursor: pointer;
    color: var(--white);
    transition: transform 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.chat-ad-card:hover,
.chat-ad-card.active {
    transform: translateY(-1px);
    border-color: rgba(226, 232, 240, 0.6);
    background: linear-gradient(145deg, rgba(226, 232, 240, 0.24), rgba(226, 232, 240, 0.1));
}

.chat-ad-card img {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 50%;
    border: 1px solid rgba(226, 232, 240, 0.5);
    box-shadow: 0 5px 14px rgba(0, 0, 0, 0.28);
}

.chat-ad-count {
    min-width: 38px;
    height: 22px;
    border-radius: 999px;
    border: 1px solid rgba(226, 232, 240, 0.55);
    background: rgba(255, 255, 255, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 1px;
    padding: 0 8px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--white);
}

.chat-ad-count i {
    font-size: 0.95rem;
    line-height: 1;
    color: var(--slate-light);
}

.chat-ad-card:focus-visible {
    outline: 2px solid rgba(226, 232, 240, 0.9);
    outline-offset: 2px;
}

.chat-user {
    width: 100%;
    border: 1px solid transparent;
    background: var(--ui-surface);
    border-radius: 12px;
    padding: 8px;
    display: flex;
    gap: 8px;
    align-items: center;
    color: var(--white);
    text-align: left;
    cursor: pointer;
    transition: border-color 0.16s ease, background-color 0.16s ease;
}

.chat-user.active,
.chat-user:hover {
    border-color: var(--ui-border-strong);
    background: var(--ui-surface-strong);
}

.chat-user-meta {
    display: grid;
    min-width: 0;
    line-height: 1.2;
}

.chat-user-meta strong,
.chat-user-meta small {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-user-meta small {
    color: var(--ui-muted);
    font-size: 0.84rem;
}

.chat-user-meta strong {
    font-size: 0.98rem;
}

.chat-bottom-nav {
    padding: 10px 12px;
    border-top: 1px solid rgba(226, 232, 240, 0.14);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-bottom-nav .chat-icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 11px;
}

.chat-bottom-nav .chat-icon-btn i {
    font-size: 1.02rem;
}

.device-link-modal {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: grid;
    place-items: center;
    padding: 16px;
}

.device-link-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 10, 24, 0.72);
    backdrop-filter: blur(4px);
}

.device-link-card {
    position: relative;
    width: min(440px, 100%);
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: linear-gradient(160deg, rgba(16, 28, 52, 0.92), rgba(11, 18, 34, 0.96));
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.55);
    padding: 18px;
    color: #eef4ff;
    display: grid;
    gap: 12px;
    z-index: 1;
    animation: deviceLinkPopIn 0.2s ease-out;
}

.device-link-close {
    position: absolute;
    right: 10px;
    top: 10px;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: #f6f8ff;
    cursor: pointer;
}

.device-link-card h2 {
    margin: 0;
    font-size: 1.16rem;
}

.device-link-sub {
    margin: 0;
    color: rgba(226, 232, 240, 0.88);
    font-size: 0.88rem;
}

.device-link-qr-wrap {
    position: relative;
    width: min(280px, 72vw);
    aspect-ratio: 1;
    margin: 2px auto;
    border-radius: 16px;
    padding: 12px;
    background: #ffffff;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.1);
}

#deviceLinkQrCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

#deviceLinkQrLogo {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 54px;
    height: 54px;
    transform: translate(-50%, -50%);
    border-radius: 14px;
    border: 3px solid #ffffff;
    background: #ffffff;
    object-fit: cover;
    pointer-events: none;
}

.device-link-token-row {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
    border: 1px dashed rgba(255, 255, 255, 0.26);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    padding: 8px 10px;
}

#deviceLinkTokenValue {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.device-link-copy,
.device-link-refresh {
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 10px;
    min-height: 38px;
    background: rgba(255, 255, 255, 0.08);
    color: #f1f6ff;
    font: inherit;
    cursor: pointer;
}

.device-link-copy {
    padding: 0 10px;
}

.device-link-refresh {
    width: 100%;
}

.device-link-expire {
    margin: 0;
    color: rgba(226, 232, 240, 0.9);
    font-size: 0.82rem;
}

@keyframes deviceLinkPopIn {
    from {
        opacity: 0;
        transform: translateY(6px) scale(0.985);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.chat-bottom-nav .chat-icon-main {
    width: 44px;
    height: 44px;
}

.chat-messages {
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px;
    display: grid;
    gap: 10px;
    align-content: start;
    background: transparent;
    min-height: 0;
}

.chat-panel-dynamic {
    display: none;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 14px;
    min-height: 0;
    background: transparent;
}

.chat-panel.view-mode .chat-messages,
.chat-panel.view-mode .chat-composer {
    display: none;
}

.chat-panel.view-mode {
    grid-template-rows: auto 1fr;
}

.chat-panel.view-mode .chat-panel-dynamic {
    grid-row: 2;
}

.chat-panel-dynamic.is-active {
    display: grid;
    align-content: start;
    gap: 12px;
}

.chat-panel-dynamic.call-screen {
    overflow: hidden;
    padding: 10px;
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 0;
}

.call-view {
    border: 1px solid rgba(226, 232, 240, 0.3);
    background: radial-gradient(120% 100% at 100% 0%, rgba(56, 189, 248, 0.15), transparent 55%), linear-gradient(160deg, rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.58));
    border-radius: 22px;
    padding: 18px;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 12px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
    height: auto;
    min-height: min(640px, 100%);
    width: min(860px, 100%);
    max-height: 100%;
}

.call-head {
    display: grid;
    gap: 6px;
}

.call-kicker {
    margin: 0;
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(148, 163, 184, 0.9);
}

.call-title {
    margin: 0;
    font-size: 1.26rem;
    line-height: 1.2;
    color: var(--white);
}

.call-subtitle {
    margin: 0;
    font-size: 0.84rem;
    color: rgba(226, 232, 240, 0.74);
}

.call-counter {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    width: max-content;
    border: 1px solid rgba(148, 163, 184, 0.36);
    border-radius: 999px;
    padding: 6px 10px;
    background: rgba(15, 23, 42, 0.62);
    font-weight: 600;
    font-size: 0.9rem;
}

.call-profiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 10px;
    align-items: center;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 4px;
}

.call-profile {
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 16px;
    padding: 12px;
    text-align: center;
    background: rgba(2, 6, 23, 0.48);
    display: grid;
    justify-items: center;
    gap: 6px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.call-profile:hover {
    transform: translateY(-2px);
    border-color: rgba(148, 163, 184, 0.52);
    box-shadow: 0 12px 26px rgba(2, 6, 23, 0.28);
}

.call-profile img {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid rgba(148, 163, 184, 0.55);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.35);
}

.audio-call-view .call-profile:first-child img {
    animation: callerPulse 2.4s ease-in-out infinite;
}

.call-profile.is-host {
    border-color: rgba(56, 189, 248, 0.45);
}

.call-profile strong {
    font-size: 0.92rem;
}

.call-profile small {
    color: rgba(226, 232, 240, 0.76);
    font-size: 0.78rem;
    line-height: 1.2;
}

.call-frequency {
    display: inline-flex;
    align-items: flex-end;
    gap: 4px;
    min-height: 28px;
}

.call-frequency span {
    width: 4px;
    height: 8px;
    border-radius: 999px;
    background: linear-gradient(180deg, #38bdf8, #93c5fd);
    animation: callWave 1.15s ease-in-out infinite;
}

.call-frequency span:nth-child(2) {
    animation-delay: 0.1s;
}

.call-frequency span:nth-child(3) {
    animation-delay: 0.22s;
}

.call-frequency span:nth-child(4) {
    animation-delay: 0.34s;
}

.call-frequency span:nth-child(5) {
    animation-delay: 0.46s;
}

.video-stage {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 10px;
    min-height: 0;
    position: relative;
    align-content: center;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 4px;
}

.video-stage.is-pip {
    grid-template-columns: 1fr;
    gap: 0;
    overflow: hidden;
    padding-right: 0;
}

.video-stage.is-grid .video-tile {
    min-height: 140px;
}

.video-tile {
    position: relative;
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 16px;
    overflow: hidden;
    min-height: 0;
    height: 100%;
    background: rgba(15, 23, 42, 0.65);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.video-tile:hover {
    transform: scale(1.01);
    border-color: rgba(148, 163, 184, 0.44);
}

.video-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-tile span {
    position: absolute;
    left: 8px;
    bottom: 8px;
    font-size: 0.76rem;
    padding: 5px 9px;
    border-radius: 999px;
    background: rgba(2, 6, 23, 0.68);
    border: 1px solid rgba(148, 163, 184, 0.32);
}

.video-tile.local {
    min-height: 100px;
    width: min(38%, 220px);
    height: min(30%, 150px);
    position: absolute;
    right: 10px;
    bottom: 10px;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.34);
    z-index: 2;
    cursor: move;
}

.video-stage.is-grid .video-tile.local {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    height: auto;
    min-height: 140px;
    max-width: none;
    cursor: default;
}

.call-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.call-control-btn {
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: rgba(15, 23, 42, 0.62);
    color: var(--white);
    width: 52px;
    height: 52px;
    min-height: 52px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
    position: relative;
}

.call-control-btn i {
    font-size: 1.08rem;
}

.call-control-btn.end {
    background: linear-gradient(180deg, rgba(239, 68, 68, 0.32), rgba(220, 38, 38, 0.4));
    border-color: rgba(248, 113, 113, 0.82);
    width: 58px;
    height: 58px;
}

.call-control-btn.is-on {
    background: linear-gradient(180deg, rgba(56, 189, 248, 0.36), rgba(59, 130, 246, 0.32));
    border-color: rgba(125, 211, 252, 0.95);
}

.call-control-btn:hover {
    transform: translateY(-1px);
    background: rgba(30, 41, 59, 0.8);
}

.call-control-btn:active {
    transform: translateY(1px) scale(0.96);
}

.call-control-btn.is-on::after {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    border: 1px solid rgba(125, 211, 252, 0.55);
    animation: controlGlow 1.4s ease-in-out infinite;
}

@keyframes callWave {
    0%,
    100% {
        height: 7px;
        opacity: 0.72;
    }
    50% {
        height: 24px;
        opacity: 1;
    }
}

@keyframes callerPulse {
    0%,
    100% {
        box-shadow: 0 8px 24px rgba(15, 23, 42, 0.35);
    }
    50% {
        box-shadow: 0 8px 24px rgba(15, 23, 42, 0.35), 0 0 0 8px rgba(56, 189, 248, 0.14);
    }
}

@keyframes controlGlow {
    0%,
    100% {
        opacity: 0.35;
    }
    50% {
        opacity: 0.9;
    }
}

.chat-utility-view {
    position: absolute;
    inset: 0;
    z-index: 4;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 10px;
    display: grid;
    align-content: start;
    gap: 10px;
    background: linear-gradient(180deg, rgba(17, 24, 39, 0.98), rgba(11, 18, 32, 0.98));
}

.chat-utility-view[hidden] {
    display: none !important;
}

.utility-card {
    border: 1px solid var(--ui-border);
    background: var(--ui-surface);
    border-radius: 14px;
    padding: 12px;
}

.utility-title {
    margin: 0;
    font-size: 1rem;
    color: var(--white);
}

.utility-subtitle {
    margin: 4px 0 0;
    font-size: 0.84rem;
    color: var(--ui-muted);
}

.utility-link-box {
    margin-top: 10px;
    width: 100%;
    border: 1px solid var(--ui-border);
    background: var(--ui-surface-strong);
    color: var(--ui-text);
    border-radius: 10px;
    padding: 10px 11px;
    font-size: 0.86rem;
}

.utility-share-grid {
    margin-top: 10px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.utility-share-btn {
    border: 1px solid var(--ui-border);
    background: var(--ui-surface);
    color: var(--ui-text);
    border-radius: 10px;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
}

.utility-search-input,
.utility-field,
.utility-file {
    width: 100%;
    border: 1px solid var(--ui-border);
    background: var(--ui-surface-strong);
    color: var(--ui-text);
    border-radius: 10px;
    padding: 10px 11px;
    font: inherit;
}

select.utility-field {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 36px;
    background-image:
        linear-gradient(45deg, transparent 50%, var(--ui-text) 50%),
        linear-gradient(135deg, var(--ui-text) 50%, transparent 50%),
        linear-gradient(to right, transparent, transparent);
    background-position:
        calc(100% - 18px) calc(50% - 3px),
        calc(100% - 12px) calc(50% - 3px),
        100% 0;
    background-size: 6px 6px, 6px 6px, 2.5em 2.5em;
    background-repeat: no-repeat;
}

select.utility-field:focus {
    outline: none;
    border-color: var(--ui-border-strong);
    box-shadow: 0 0 0 2px var(--ui-border);
}

.utility-search-input::placeholder,
.utility-field::placeholder {
    color: var(--ui-muted);
}

.utility-user-list {
    display: grid;
    gap: 8px;
    margin-top: 10px;
}

.utility-user-row {
    border: 1px solid rgba(226, 232, 240, 0.24);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 8px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 8px;
    align-items: center;
}

.utility-user-row img {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(226, 232, 240, 0.35);
}

.utility-user-row strong,
.utility-user-row small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.utility-user-row small {
    color: rgba(226, 232, 240, 0.72);
    font-size: 0.8rem;
}

.utility-add-btn {
    border: 1px solid rgba(226, 232, 240, 0.35);
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    width: 30px;
    height: 30px;
    border-radius: 9px;
    display: inline-grid;
    place-items: center;
    cursor: pointer;
}

.utility-add-btn.is-added {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.6);
    color: #a7f3d0;
}

.utility-inline-actions {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    flex-wrap: nowrap;
}

.utility-inline-actions .utility-add-btn {
    width: 28px;
    height: 28px;
    border-radius: 8px;
}

.utility-form {
    display: grid;
    gap: 10px;
    margin-top: 10px;
}

.utility-row {
    display: grid;
    gap: 6px;
}

.utility-row label {
    font-size: 0.8rem;
    color: rgba(226, 232, 240, 0.82);
}

.utility-settings-list {
    display: grid;
    gap: 8px;
    margin-top: 10px;
}

.device-link-side {
    border: 1px solid rgba(226, 232, 240, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    padding: 10px;
    display: grid;
    gap: 8px;
}

.device-link-side-head {
    display: grid;
    gap: 8px;
}

.device-link-side-head strong {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.9rem;
}

.device-link-side-sub {
    margin: 0;
    font-size: 0.8rem;
    color: rgba(226, 232, 240, 0.82);
}

.device-link-side-qr-wrap {
    position: relative;
    width: min(250px, 100%);
    aspect-ratio: 1;
    margin: 4px auto;
    border-radius: 12px;
    background: #ffffff;
    padding: 10px;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.1);
    display: grid;
    place-items: center;
}

.device-link-side-qr {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.device-link-side-logo {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 48px;
    height: 48px;
    transform: translate(-50%, -50%);
    border-radius: 12px;
    border: 3px solid #ffffff;
    background: #ffffff;
    object-fit: cover;
    pointer-events: none;
}

.device-link-side-hint {
    margin: 0;
    font-size: 0.78rem;
    color: #334155;
    text-align: center;
}

.device-link-side-token {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border: 1px dashed rgba(226, 232, 240, 0.28);
    border-radius: 10px;
    padding: 8px 10px;
}

.device-link-side-token span {
    font-weight: 700;
    letter-spacing: 0.12em;
    font-size: 0.9rem;
}

.settings-accordion {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.settings-panel {
    border: 1px solid rgba(226, 232, 240, 0.2);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.settings-panel-toggle {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--white);
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    cursor: pointer;
    text-align: left;
    font: inherit;
}

.settings-panel-toggle span {
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.settings-panel-toggle i {
    transition: transform 0.2s ease;
}

.settings-panel.is-open .settings-panel-toggle i {
    transform: rotate(180deg);
}

.settings-panel-body {
    display: none;
    padding: 0 12px 12px;
}

.settings-panel.is-open .settings-panel-body {
    display: block;
}

.settings-panel .utility-form {
    margin-top: 0;
}

.settings-profile-card .settings-panel-body {
    display: none;
}

.settings-profile-card.is-open .settings-panel-body {
    display: block;
}

.settings-color-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.settings-avatar-stage {
    position: relative;
    width: min(100%, 320px);
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 18px;
    margin-top: 6px;
    border: 1px solid rgba(226, 232, 240, 0.24);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    touch-action: none;
}

.settings-avatar-stage img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    user-select: none;
    pointer-events: none;
}

.settings-action-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.settings-action-btn {
    width: 100%;
    justify-content: center;
    text-decoration: none;
}

.settings-status {
    margin: 12px 0 0;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(226, 232, 240, 0.16);
    color: rgba(226, 232, 240, 0.82);
    font-size: 0.84rem;
}

.settings-status[data-type="danger"] {
    background: rgba(239, 68, 68, 0.16);
    border-color: rgba(239, 68, 68, 0.28);
}

.settings-status[data-type="warning"] {
    background: rgba(245, 158, 11, 0.16);
    border-color: rgba(245, 158, 11, 0.28);
}

.settings-status[data-type="info"] {
    background: rgba(255, 255, 255, 0.06);
}

.utility-setting-item {
    border: 1px solid rgba(226, 232, 240, 0.2);
    border-radius: 10px;
    padding: 9px 10px;
    background: rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 0.86rem;
}

.utility-action-btn {
    width: 100%;
    appearance: none;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.utility-empty {
    font-size: 0.86rem;
    color: rgba(226, 232, 240, 0.7);
}

.chat-date-divider {
    display: grid;
    justify-items: center;
    margin: 4px 0;
}

.chat-date-divider span {
    font-size: 0.72rem;
    letter-spacing: 0.01em;
    text-transform: none;
    color: rgba(226, 232, 240, 0.58);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(226, 232, 240, 0.16);
    border-radius: 999px;
    padding: 4px 10px;
}

.msg-hidden {
    display: none;
}

.chat-user-list,
.chat-messages,
.chat-ads {
    scrollbar-width: thin;
    scrollbar-color: rgba(226, 232, 240, 0.5) rgba(255, 255, 255, 0.08);
}

.chat-user-list-empty {
    border: 1px dashed rgba(226, 232, 240, 0.24);
    border-radius: 12px;
    min-height: 180px;
    display: grid;
    place-items: center;
    gap: 8px;
    text-align: center;
    padding: 18px;
    color: rgba(226, 232, 240, 0.84);
    background: rgba(255, 255, 255, 0.03);
}

.chat-user-list-empty i {
    font-size: 1.4rem;
}

.chat-user-list-empty p {
    margin: 0;
    font-size: 0.88rem;
}

.chat-empty-state {
    min-height: 58vh;
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 8px;
    text-align: center;
    color: rgba(226, 232, 240, 0.9);
    padding: 20px;
}

.chat-empty-state i {
    font-size: 1.8rem;
    opacity: 0.9;
}

.chat-empty-state h3 {
    margin: 0;
    font-size: 1.08rem;
    color: var(--ui-text);
}

.chat-empty-state p {
    margin: 0;
    max-width: 34ch;
    font-size: 0.9rem;
    color: rgba(226, 232, 240, 0.84);
}

.chat-user-list::-webkit-scrollbar,
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-ads::-webkit-scrollbar {
    height: 7px;
}

.chat-user-list::-webkit-scrollbar-track,
.chat-messages::-webkit-scrollbar-track,
.chat-ads::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.07);
    border-radius: 999px;
}

.chat-user-list::-webkit-scrollbar-thumb,
.chat-messages::-webkit-scrollbar-thumb,
.chat-ads::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(226, 232, 240, 0.85), rgba(226, 232, 240, 0.45));
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.chat-user-list::-webkit-scrollbar-thumb:hover,
.chat-messages::-webkit-scrollbar-thumb:hover,
.chat-ads::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(226, 232, 240, 0.65));
}

.bubble {
    max-width: min(72%, 640px);
    padding: 10px 12px;
    border-radius: 14px;
    display: grid;
    gap: 6px;
}

.bubble p {
    margin: 0;
}

.bubble time,
.bubble-meta {
    font-size: 0.74rem;
    color: var(--ui-muted);
    justify-self: end;
}

.bubble.incoming {
    justify-self: start;
    background: var(--bubble-incoming-bg);
    border: 1px solid var(--ui-border);
}

.bubble.outgoing {
    justify-self: end;
    background: var(--bubble-outgoing-bg);
    border: 1px solid var(--ui-border-strong);
    color: var(--bubble-outgoing-text);
}

.bubble.outgoing .bubble-meta {
    color: var(--bubble-outgoing-meta);
}

.bubble.opened .bubble-meta i {
    color: #0ea5e9;
}

.chat-composer {
    border-top: 1px solid var(--ui-border);
    padding: 10px 12px;
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    gap: 8px;
    align-items: center;
}

.chat-composer textarea {
    resize: none;
    max-height: 140px;
    border: 1px solid rgba(226, 232, 240, 0.26);
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    border-radius: 12px;
    padding: 10px 12px;
    font: inherit;
}

.chat-composer textarea:focus {
    outline: none;
    border-color: rgba(226, 232, 240, 0.6);
}

@media (max-width: 980px) {
    .chat-shell {
        grid-template-columns: minmax(260px, 320px) 1fr;
        width: 100vw;
        height: 100dvh;
        margin: 0;
        padding: 8px;
    }
}

@media (max-width: 760px) {
    .chat-shell {
        display: block;
        position: relative;
        gap: 0;
        padding: 0;
        height: 100dvh;
        overflow: hidden;
    }

    .chat-sidebar {
        position: absolute;
        inset: 6px;
        min-height: 0;
        max-height: none;
        transform: translateX(0);
        opacity: 1;
        transition: transform 0.32s ease, opacity 0.32s ease;
        z-index: 2;
    }

    .chat-panel {
        position: absolute;
        inset: 6px;
        min-height: 0;
        transform: translateX(110%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.32s ease, opacity 0.32s ease;
        z-index: 3;
    }

    .chat-shell.mobile-chat-open .chat-sidebar {
        transform: translateX(-110%);
        opacity: 0;
    }

    .chat-shell.mobile-chat-open .chat-panel {
        transform: translateX(0);
        opacity: 1;
        pointer-events: auto;
    }

    .chat-back-btn {
        display: inline-grid;
    }

    .chat-sidebar-top,
    .chat-panel-top {
        padding: 10px 10px;
    }

    .chat-panel-top {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        column-gap: 6px;
    }

    .chat-icon-btn {
        width: 31px;
        height: 31px;
        border-radius: 9px;
    }

    .chat-brand span {
        font-size: 0.84rem;
        letter-spacing: 0.04em;
    }

    .chat-panel-left {
        max-width: none;
        min-width: 0;
        overflow: hidden;
    }

    .chat-current-user span {
        min-width: 0;
    }

    .chat-current-user strong,
    .chat-current-user small {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }

    .chat-current-user small {
        max-width: 100%;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.2;
    }

    #chatCurrentStatus {
        max-width: 8ch;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    #chatCurrentSeen {
        max-width: none;
    }

    .chat-panel-top .chat-top-actions .chat-icon-btn {
        background: rgba(255, 255, 255, 0.16);
        border-color: rgba(226, 232, 240, 0.48);
        color: rgba(248, 250, 252, 0.98);
        width: 35px;
        height: 35px;
    }

    .chat-panel-top .chat-top-actions {
        width: auto;
        min-width: max-content;
        flex: 0 0 auto;
        flex-wrap: nowrap;
        justify-content: flex-end;
        gap: 8px;
    }

    .settings-color-row,
    .settings-action-row {
        grid-template-columns: 1fr;
    }

    .chat-message-searchbar,
    .chat-message-menu {
        top: 58px;
        left: 10px;
        right: 10px;
    }

    .chat-message-menu {
        width: min(320px, calc(100% - 20px));
    }

    .chat-brand img,
    .chat-current-user img,
    .chat-user img {
        width: 34px;
        height: 34px;
    }

    .chat-user-list {
        padding: 5px;
        gap: 5px;
    }

    .chat-user {
        padding: 7px;
        border-radius: 10px;
    }

    .chat-user-meta strong {
        font-size: 1rem;
    }

    .chat-user-meta small {
        font-size: 0.88rem;
    }

    .chat-ads {
        grid-auto-columns: minmax(64px, 74px);
        padding: 6px 6px 6px;
        gap: 6px;
    }

    .chat-ad-card {
        min-height: 78px;
        padding: 7px 5px;
        border-radius: 12px;
    }

    .chat-ad-card img {
        width: 36px;
        height: 36px;
    }

    .chat-ad-count {
        min-width: 34px;
        height: 20px;
        font-size: 0.68rem;
    }

    .chat-messages {
        padding: 10px;
        gap: 8px;
    }

    .chat-date-divider span {
        font-size: 0.68rem;
        padding: 3px 9px;
    }

    .bubble {
        max-width: 90%;
        padding: 8px 10px;
        border-radius: 12px;
    }

    .bubble p {
        font-size: 0.86rem;
    }

    .bubble time,
    .bubble-meta {
        font-size: 0.68rem;
    }

    .chat-composer {
        padding: 8px;
        gap: 6px;
    }

    .chat-composer textarea {
        min-height: 40px;
        border-radius: 10px;
        padding: 8px 10px;
        font-size: 0.9rem;
    }

    .chat-bottom-nav {
        padding: 10px 12px 12px;
        gap: 8px;
        border-top-color: rgba(226, 232, 240, 0.18);
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.08));
        backdrop-filter: blur(10px);
    }

    .chat-bottom-nav .chat-icon-btn {
        width: clamp(44px, 11.5vw, 50px);
        height: clamp(44px, 11.5vw, 50px);
        border-radius: 14px;
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(226, 232, 240, 0.34);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
    }

    .chat-bottom-nav .chat-icon-btn i {
        font-size: clamp(1.08rem, 3.7vw, 1.2rem);
    }

    .chat-bottom-nav .chat-icon-main {
        width: clamp(50px, 12.5vw, 58px);
        height: clamp(50px, 12.5vw, 58px);
        border-radius: 17px;
        transform: translateY(-3px);
        box-shadow: 0 12px 28px rgba(226, 232, 240, 0.18);
    }

    .chat-bottom-nav .chat-icon-btn:active {
        transform: translateY(1px) scale(0.97);
    }

    .bubble {
        max-width: 88%;
    }

    .call-view {
        padding: 14px;
        border-radius: 16px;
        gap: 10px;
        width: min(100%, 700px);
        min-height: min(560px, 100%);
    }

    .call-title {
        font-size: 1.08rem;
    }

    .call-profiles {
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
        gap: 8px;
    }

    .video-tile {
        min-height: 0;
    }

    .video-stage {
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    }

    .video-tile.local {
        width: min(42%, 170px);
        height: min(34%, 120px);
    }

    .call-controls {
        gap: 10px;
        justify-content: space-between;
    }

    .call-control-btn {
        width: 48px;
        height: 48px;
        min-height: 48px;
    }

    .call-control-btn.end {
        width: 54px;
        height: 54px;
    }
}

@media (max-width: 420px) {
    .chat-shell {
        gap: 0;
        padding: 4px;
    }

    .chat-sidebar,
    .chat-panel {
        inset: 4px;
        border-radius: 14px;
    }

    .chat-brand span {
        display: none;
    }

    .chat-top-actions {
        gap: 5px;
    }

    .chat-panel-top .chat-top-actions .chat-icon-btn {
        width: 34px;
        height: 34px;
    }

    .chat-panel-left {
        max-width: none;
        min-width: 0;
    }

    .chat-panel-top .chat-top-actions {
        width: auto;
        min-width: max-content;
        gap: 7px;
    }

    .chat-message-searchbar,
    .chat-message-menu {
        top: 54px;
        left: 8px;
        right: 8px;
    }

    .chat-message-menu {
        width: calc(100% - 16px);
    }

    .chat-current-user {
        gap: 8px;
    }

    .chat-current-user strong {
        font-size: 0.92rem;
    }

    .chat-current-user small {
        font-size: 0.74rem;
        max-width: 100%;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.2;
    }

    #chatCurrentStatus {
        max-width: 7ch;
    }

    .chat-user-meta strong {
        font-size: 0.96rem;
    }

    .chat-user-meta small {
        font-size: 0.84rem;
    }

    .chat-bottom-nav {
        padding: 9px 8px 11px;
        gap: 6px;
    }

    .chat-bottom-nav .chat-icon-btn {
        width: clamp(40px, 12vw, 46px);
        height: clamp(40px, 12vw, 46px);
        border-radius: 13px;
    }

    .chat-bottom-nav .chat-icon-btn i {
        font-size: clamp(1.02rem, 4vw, 1.12rem);
    }

    .chat-bottom-nav .chat-icon-main {
        width: clamp(46px, 13.2vw, 52px);
        height: clamp(46px, 13.2vw, 52px);
        border-radius: 16px;
    }

    .chat-composer {
        grid-template-columns: auto 1fr auto auto;
    }

    .call-title {
        font-size: 1rem;
    }

    .call-counter {
        font-size: 0.82rem;
    }

    .video-tile.local {
        width: min(46%, 145px);
        height: min(38%, 105px);
    }

    .call-controls {
        gap: 8px;
        justify-content: space-around;
    }

    .call-view {
        min-height: min(520px, 100%);
    }

    .call-control-btn {
        width: 44px;
        height: 44px;
        min-height: 44px;
    }

    .call-control-btn i {
        font-size: 1rem;
    }

    .call-control-btn.end {
        width: 50px;
        height: 50px;
    }
}

@media (max-height: 700px) and (max-width: 760px) {
    .chat-shell {
        grid-template-rows: minmax(170px, 33dvh) minmax(0, 1fr);
    }

    .chat-ad-card {
        min-height: 70px;
    }

    .chat-user {
        padding: 6px;
    }
}

@media (max-width: 960px) {
    .hero {
        grid-template-columns: 1fr;
        padding-top: 8px;
    }

    .hero-logo {
        min-height: 330px;
    }

    .features {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .splash-main {
        gap: 0;
    }

    .splash-logo {
        width: min(380px, 92vw);
    }

    .logo-core {
        width: 68%;
    }

    .site-header {
        padding-top: 14px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .features {
        grid-template-columns: 1fr;
        margin-top: 18px;
    }

    .actions {
        flex-direction: column;
        align-items: stretch;
    }

    .primary-btn,
    .secondary-btn,
    .ghost-btn {
        justify-content: center;
    }
}