:root {
    color-scheme: light;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
    line-height: 1.5;
    --color-bg: #f2f2f2;
    --color-surface: rgba(255, 255, 255, 0.82);
    --color-surface-strong: rgba(255, 255, 255, 0.94);
    --color-surface-muted: rgba(242, 242, 242, 0.7);
    --color-border: rgba(0, 0, 0, 0.08);
    --color-outline: rgba(233, 53, 61, 0.55);
    --color-accent: #e9353d;
    --color-accent-soft: rgba(233, 53, 61, 0.15);
    --color-text: #1f1f1f;
    --color-text-soft: #4a4a4a;
    --color-text-muted: #8c8c8c;
    --radius-md: 18px;
    --radius-lg: 24px;
    --shadow-sm: 0 10px 28px rgba(25, 25, 25, 0.12);
    --shadow-lg: 0 36px 68px rgba(20, 20, 20, 0.18);
    --blur-strong: 18px;
    --transition-base: cubic-bezier(0.2, 0.6, 0.2, 1);
    --app-nav-height: 88px;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background: radial-gradient(120% 140% at 100% 0%, rgba(233, 53, 61, 0.08), transparent 55%), linear-gradient(180deg, #ffffff 0%, #f2f2f2 55%, #e8e8e8 100%);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(80% 60% at 50% -10%, rgba(233, 53, 61, 0.14), transparent 60%);
    pointer-events: none;
    z-index: -1;
}

body[data-chat-state="open"] {
    --app-nav-height: 0px;
}

.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 16px 72px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(242, 242, 242, 0.95) 55%, rgba(232, 232, 232, 0.9) 100%);
    position: relative;
    overflow: hidden;
}

.login-body::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(120% 90% at 20% 0%, rgba(233, 53, 61, 0.16), transparent 60%), radial-gradient(80% 70% at 80% 100%, rgba(233, 53, 61, 0.12), transparent 65%);
    pointer-events: none;
    z-index: -1;
}

.login-card {
    width: min(420px, 100%);
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    background: var(--color-surface-strong);
    backdrop-filter: blur(var(--blur-strong));
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.75);
}

.login-card__brand {
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.78rem;
    font-weight: 700;
    color: rgba(233, 53, 61, 0.8);
}

.login-card__title {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
}

.login-card__subtitle {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 0.95rem;
    line-height: 1.55;
}

.login-card__error {
    margin: 0;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    background: rgba(233, 53, 61, 0.12);
    border: 1px solid rgba(233, 53, 61, 0.25);
    color: var(--color-accent);
    font-size: 0.9rem;
}

.login-card__form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.login-field__label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
}

.login-field input[type="text"],
.login-field input[type="email"] {
    width: 100%;
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
    transition: border 160ms var(--transition-base), box-shadow 160ms var(--transition-base);
}

.login-field input[type="text"]:focus,
.login-field input[type="email"]:focus {
    border-color: rgba(233, 53, 61, 0.65);
    box-shadow: 0 0 0 4px rgba(233, 53, 61, 0.12);
}

.login-field--checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--color-text-soft);
}

.login-field--checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-accent);
}

.login-card__submit {
    align-self: flex-start;
    padding: 12px 22px;
    border: none;
    border-radius: 999px;
    background: var(--color-accent);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform 180ms var(--transition-base), box-shadow 180ms var(--transition-base);
}

.login-card__submit:hover {
    transform: translateY(-1px);
}

.login-card__submit:disabled {
    background: rgba(0, 0, 0, 0.15);
    box-shadow: none;
    cursor: default;
}

@media (max-width: 480px) {
    .login-card {
        padding: 28px 24px;
        gap: 18px;
    }

    .login-card__title {
        font-size: 1.55rem;
    }
}

img, svg {
    display: block;
}

button, input, textarea {
    font: inherit;
    color: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

:focus-visible {
    outline: 2px solid var(--color-outline);
    outline-offset: 3px;
}

.desktop-warning {
    display: none;
}

.app-shell {
    width: min(960px, 100%);
    height: min(820px, 100vh - 92px);
    min-height: 640px;
    margin: 20px auto 96px;
    display: grid;
    grid-template-columns: 320px 1fr;
    grid-template-rows: 1fr;
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    backdrop-filter: blur(var(--blur-strong));
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.6);
    overflow: hidden;
    position: relative;
}

.user-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 18px 20px calc(16px + var(--app-nav-height));
    background: var(--color-surface);
    backdrop-filter: blur(var(--blur-strong));
    border-right: 1px solid rgba(255, 255, 255, 0.6);
}

.user-list__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    position: sticky;
    top: calc(env(safe-area-inset-top, 0px) + 12px);
    z-index: 3;
    padding-bottom: 12px;
    background: var(--color-surface);
}

.user-list__actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(233, 53, 61, 0.92), rgba(233, 53, 61, 0.75));
    color: #fff;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.brand__avatar--image,
.brand__avatar.has-image {
    background: rgba(0, 0, 0, 0.08);
}

.brand__text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.brand__label {
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--color-accent);
    color: #fff;
    padding: 2px 6px;
    display: inline-flex;
    width: fit-content;
    border-radius: 0;
}

.brand__user {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.brand__sub {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-list__logout {
    border: none;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 180ms var(--transition-base), color 180ms var(--transition-base), box-shadow 180ms var(--transition-base), transform 180ms var(--transition-base);
}

.user-list__logout:hover {
    background: rgba(233, 53, 61, 0.12);
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.user-list__logout-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
}

.user-list__logout-icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.user-list__info {
    border: none;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 999px;
    padding: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-soft);
    cursor: pointer;
    transition: background 180ms var(--transition-base), color 180ms var(--transition-base), box-shadow 180ms var(--transition-base), transform 180ms var(--transition-base);
}

.user-list__info:hover {
    background: rgba(233, 53, 61, 0.12);
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.user-list__info-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
}

.user-list__info-icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.user-list__search {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: sticky;
    top: calc(env(safe-area-inset-top, 0px) + 96px);
    z-index: 2;
    background: var(--color-surface);
    padding-bottom: 12px;
}

.user-list__search input {
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 0;
    background: transparent;
    font-size: 0.95rem;
    color: var(--color-text);
    transition: border-bottom 180ms var(--transition-base);
}

.user-list__search input:focus {
    border-bottom-color: rgba(233, 53, 61, 0.6);
    outline: none;
}

.user-filters {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.user-filters__button {
    border: 1px solid rgba(0, 0, 0, 0.15);
    background: #fff;
    color: rgba(31, 31, 31, 0.75);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 180ms var(--transition-base), color 180ms var(--transition-base), border-color 180ms var(--transition-base), transform 180ms var(--transition-base);
}

.user-filters__button:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: rgba(233, 53, 61, 0.35);
}

.user-filters__button--active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.user-filters__button--disabled,
.user-filters__button:disabled {
    cursor: not-allowed;
    border-color: rgba(0, 0, 0, 0.12);
    color: rgba(0, 0, 0, 0.3);
    background: #fff;
    box-shadow: none;
}

.user-list__items {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    padding-right: 2px;
    position: relative;
}

.user-list__items::before {
    content: '';
    position: absolute;
    left: 64px;
    right: 0;
    top: 0;
    height: 1px;
    background: rgba(0, 0, 0, 0.08);
    pointer-events: none;
}

.user-list__empty,
.user-list__empty-search {
    border-radius: var(--radius-md);
    padding: 18px 14px;
    text-align: center;
    background: var(--color-surface-strong);
    backdrop-filter: blur(var(--blur-strong));
    border: 1px solid rgba(255, 255, 255, 0.65);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.user-list__empty--search {
    margin-top: 8px;
}

.user-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(var(--blur-strong));
    cursor: pointer;
}

.user-item::after {
    content: '';
    position: absolute;
    left: 64px;
    right: 0;
    height: 1px;
    background: rgba(0, 0, 0, 0.08);
    pointer-events: none;
}

.user-item::after {
    bottom: 0;
}

.user-item:hover,
.user-item.active {
    transform: none;
    box-shadow: none;
}

.user-item__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(233, 53, 61, 0.92), rgba(233, 53, 61, 0.65));
    color: #fff;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.user-item__avatar--image {
    background: rgba(0, 0, 0, 0.08);
}

.user-item__info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.user-item__top {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 8px;
    justify-content: flex-start;
    width: 100%;
}

.user-item__name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
    text-align: left;
}


.user-item__meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    color: rgba(31, 31, 31, 0.65);
}

.user-item__favorite {
    display: none;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: #c58b00;
}

.user-item__favorite--active {
    display: inline-flex;
}

.user-item__favorite-icon {
    display: block;
    width: 100%;
    height: 100%;
}

.user-item__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1px 6px;
    border-radius: 999px;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
}

.user-item__badge--none {
    background: rgba(255, 255, 255, 0.65);
    color: var(--color-text-muted);
}

.user-item__badge--requested,
.user-item__badge--requesting {
    background: rgba(233, 53, 61, 0.1);
    color: var(--color-accent);
}

.user-item__badge--incoming {
    background: rgba(233, 53, 61, 0.12);
    color: var(--color-accent);
}

.user-item__badge--granted {
    background: #d7f8d1;
    color: #0f3f25;
}

.user-item__badge--rejected,
.user-item__badge--blocked {
    background: rgba(0, 0, 0, 0.08);
    color: var(--color-text-soft);
}

.user-item__time {
    font-size: 0.68rem;
    color: rgba(31, 31, 31, 0.55);
    white-space: nowrap;
    flex-shrink: 0;
}

.user-item__indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    align-self: center;
    margin-left: 8px;
    background: var(--color-accent);
    display: none;
    flex-shrink: 0;
}

.user-item--unread .user-item__indicator {
    display: inline-flex;
}

.user-item--unread .user-item__name {
    font-weight: 700;
}

.user-item[data-unread="1"] .user-item__indicator {
    display: inline-flex;
}

.user-item[data-unread="1"] .user-item__name {
    font-weight: 700;
}

.chat-panel {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    backdrop-filter: blur(var(--blur-strong));
    gap: 16px;
    padding: 20px;
    position: relative;
    height: 100%;
    min-height: 0;
}

.profile-panel {
    grid-column: 1 / -1;
    height: 100%;
    padding: 28px;
    padding-bottom: calc(28px + var(--app-nav-height));
    overflow-y: auto;
    background: var(--color-surface);
    backdrop-filter: blur(var(--blur-strong));
    display: none;
    flex-direction: column;
    gap: 24px;
}

.profile-panel__header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.profile-panel__title {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text);
}

.profile-panel__subtitle {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 0.95rem;
    line-height: 1.5;
}

.profile-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px;
    border-radius: var(--radius-lg);
    background: var(--color-surface-strong);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.7);
}

.profile-card__avatar {
    width: 79px;
    height: 79px;
    border-radius: 50%;
    background: linear-gradient(145deg, rgba(233, 53, 61, 0.8), rgba(233, 53, 61, 0.65));
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 1.6rem;
    font-weight: 700;
    overflow: hidden;
}

.profile-card__avatar--image,
.profile-card__avatar.has-image {
    background: rgba(0, 0, 0, 0.08);
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.profile-card__content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.profile-card__name {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
}

.profile-card__email {
    margin: 0;
    font-size: 0.95rem;
    color: rgba(31, 31, 31, 0.7);
}

.profile-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.profile-card__meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 120px;
}

.profile-card__meta-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(31, 31, 31, 0.55);
    margin: 0;
}

.profile-card__meta-value {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
}

.profile-section {
    padding: 24px;
    border-radius: var(--radius-lg);
    background: var(--color-surface-strong);
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.profile-section__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.profile-section__text {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.55;
    color: rgba(31, 31, 31, 0.75);
}

.profile-section__meta {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    list-style: none;
    padding: 0;
}

.profile-section__row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.95rem;
}

.profile-section__label {
    margin: 0;
    font-weight: 600;
    color: var(--color-text);
}

.profile-section__value {
    margin: 0;
    color: rgba(31, 31, 31, 0.7);
}

.profile-section__highlight {
    display: flex;
    align-items: center;
    gap: 16px;
}

.profile-section__icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #c58b00;
}

.profile-section__icon .user-item__favorite-icon {
    width: 100%;
    height: 100%;
}

.profile-section__row--switch {
    align-items: center;
}

.profile-section__hint {
    margin: 0;
    font-size: 0.85rem;
    color: rgba(31, 31, 31, 0.55);
}

.profile-section__status {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(233, 53, 61, 0.85);
}

.profile-section__status.profile-section__status--success {
    color: rgba(35, 135, 75, 0.85);
}

.toggle {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.toggle__input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
}

.toggle__track {
    position: relative;
    width: 40px;
    height: 22px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.18);
    transition: background 200ms var(--transition-base);
}

.toggle__track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: transform 200ms var(--transition-base);
}

.toggle__input:checked + .toggle__track {
    background: var(--color-accent);
}

.toggle__input:checked + .toggle__track::after {
    transform: translateX(18px);
}

.toggle__label {
    font-size: 0.9rem;
    color: var(--color-text);
}

.profile-section--avatar {
    gap: 20px;
}

.profile-avatar-upload {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.profile-avatar-upload__preview {
    width: 141px;
    height: 141px;
    border-radius: 50%;
    border: 2px solid rgba(233, 53, 61, 0.45);
    overflow: hidden;
    display: grid;
    place-items: center;
    background: linear-gradient(145deg, rgba(233, 53, 61, 0.2), rgba(233, 53, 61, 0.08));
    color: rgba(233, 53, 61, 0.85);
    font-size: 2.2rem;
    font-weight: 700;
    align-self: flex-start;
}

.profile-avatar-upload__preview--image {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(233, 53, 61, 0.25);
}

.profile-avatar-upload__placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.profile-avatar-upload__controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.profile-avatar-upload__button {
    position: relative;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(233, 53, 61, 0.1);
    color: var(--color-accent);
    font-weight: 600;
    padding: 10px 18px;
    cursor: pointer;
    border: 1px solid rgba(233, 53, 61, 0.3);
    transition: background 180ms var(--transition-base), color 180ms var(--transition-base), transform 180ms var(--transition-base);
}

.profile-avatar-upload__button:hover {
    background: rgba(233, 53, 61, 0.18);
    transform: translateY(-1px);
}

.profile-avatar-upload__button input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.profile-avatar-upload__submit {
    border: none;
    border-radius: 999px;
    padding: 10px 18px;
    font-weight: 600;
    background: var(--color-accent);
    color: #fff;
    cursor: pointer;
    transition: transform 180ms var(--transition-base), box-shadow 180ms var(--transition-base);
}

.profile-avatar-upload__submit:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.profile-avatar-upload__hint {
    margin: 0;
    font-size: 0.85rem;
    color: rgba(31, 31, 31, 0.55);
}

.profile-avatar-upload__status {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(233, 53, 61, 0.85);
}

.profile-avatar-upload__status.profile-avatar-upload__status--success {
    color: rgba(35, 135, 75, 0.85);
}

.app-shell[data-nav="profile"] .user-list,
.app-shell[data-nav="profile"] .chat-panel {
    display: none;
}

.app-shell[data-nav="profile"] .profile-panel {
    display: flex;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.45);
    position: sticky;
    top: calc(env(safe-area-inset-top, 0px));
    padding-top: calc(env(safe-area-inset-top, 0px) + 8px);
    z-index: 5;
    background: var(--color-surface);
    backdrop-filter: blur(var(--blur-strong));
}

.chat-header__back {
    display: none;
    border: none;
    background: rgba(255, 255, 255, 0.5);
    color: var(--color-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.4rem;
    display: grid;
    place-items: center;
    transition: background 180ms var(--transition-base), transform 180ms var(--transition-base);
}

.chat-header__back:hover {
    background: rgba(233, 53, 61, 0.12);
    transform: translateX(-2px);
}

.chat-header__favorite {
    margin-left: auto;
    border: none;
    background: rgba(255, 255, 255, 0.4);
    color: rgba(31, 31, 31, 0.55);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    transition: background 180ms var(--transition-base), color 180ms var(--transition-base), transform 180ms var(--transition-base);
}

.chat-header__favorite svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.chat-header__favorite:hover {
    transform: translateY(-1px);
}

.chat-header__favorite--active {
    color: #c58b00;
    background: rgba(197, 139, 0, 0.18);
}

.chat-header__favorite:disabled {
    opacity: 0.45;
    pointer-events: none;
    transform: none;
}

.contact-avatar {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(233, 53, 61, 0.85), rgba(233, 53, 61, 0.6));
    display: grid;
    place-items: center;
    font-weight: 600;
    color: #fff;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.contact-avatar--image {
    background: rgba(0, 0, 0, 0.08);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.contact-info span:last-child {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.permission-card {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 16px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(var(--blur-strong));
    border: 1px solid rgba(255, 255, 255, 0.7);
}

.permission-card[hidden] {
    display: none;
}

.permission-card__icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.2rem;
}

.permission-card__content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: var(--color-text-soft);
}

.permission-card__button {
    border: none;
    border-radius: 999px;
    padding: 10px 18px;
    background: var(--color-accent);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: transform 180ms var(--transition-base), box-shadow 180ms var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.permission-card__button:hover:not(:disabled) {
    transform: translateY(-1px);
}

.permission-card__button:disabled {
    background: rgba(0, 0, 0, 0.1);
    color: var(--color-text-muted);
    box-shadow: none;
}

.chat-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    gap: 16px;
    min-height: 0;
}

.conversation {
    flex: 1;
    display: none;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    padding: 4px 12px calc(120px + env(safe-area-inset-bottom, 0px)) 4px;
    scroll-behavior: smooth;
    overscroll-behavior: contain;
}

.conversation.visible {
    display: flex;
}

.conversation__messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 16px;
}

.conversation__messages[data-empty="true"] .conversation__list {
    display: none;
}

.conversation__list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.conversation__scroll-anchor {
    height: 1px;
}

.conversation__load-more {
    align-self: center;
    border: 1px solid rgba(255, 255, 255, 0.7);
    background: var(--color-surface-strong);
    backdrop-filter: blur(var(--blur-strong));
    border-radius: var(--radius-md);
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-soft);
    cursor: pointer;
    transition: background 180ms var(--transition-base), transform 180ms var(--transition-base), box-shadow 180ms var(--transition-base);
}

.conversation__load-more:hover {
    background: rgba(233, 53, 61, 0.12);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.conversation__load-more[hidden] {
    display: none;
}

.conversation__empty {
    margin-top: auto;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    padding: 20px 8px;
}

.message {
    max-width: 74%;
    padding: 10px 12px 8px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(0, 0, 0, 0.04);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    display: inline-flex;
    flex-direction: column;
    gap: 6px;
    transition: transform 200ms var(--transition-base);
    position: relative;
    align-self: flex-start;
}

.message p {
    margin: 0;
    color: var(--color-text);
    line-height: 1.38;
    font-size: 0.95rem;
}

.message time {
    align-self: flex-end;
    font-size: 0.7rem;
    color: rgba(0, 0, 0, 0.45);
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.message.sent {
    margin-left: auto;
    align-self: flex-end;
    background: #d9fdd3;
    border-color: rgba(0, 0, 0, 0.06);
    border-top-left-radius: 18px;
    border-top-right-radius: 18px;
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 6px;
}

.message.sent time {
    color: rgba(0, 0, 0, 0.45);
}

.message.received {
    align-self: flex-start;
    background: #ffffff;
    border-top-left-radius: 18px;
    border-top-right-radius: 18px;
    border-bottom-right-radius: 18px;
    border-bottom-left-radius: 6px;
}

.message--swipe-action::after {
    content: "↩";
    position: absolute;
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-accent);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
}

.chat-footer {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.65) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(var(--blur-strong));
    box-shadow: var(--shadow-sm);
    position: sticky;
    bottom: 0;
    margin-top: auto;
    width: 100%;
    left: auto;
    transform: none;
    z-index: 5;
}

body[data-chat-state="list"] .chat-footer {
    display: none;
}


.chat-footer__action,
.chat-footer__send {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    display: grid;
    place-items: center;
    background: var(--color-accent);
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 180ms var(--transition-base), box-shadow 180ms var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.chat-footer__action {
    background: rgba(233, 53, 61, 0.12);
    color: var(--color-accent);
    box-shadow: none;
}

.chat-footer__action:hover,
.chat-footer__send:hover {
    transform: translateY(-1px);
}

.chat-footer__input {
    width: 100%;
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    background: var(--color-surface-strong);
    color: var(--color-text);
}

.chat-footer__input:disabled {
    opacity: 0.5;
}

.app-nav {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translate(-50%, 0);
    width: min(420px, calc(100% - 32px));
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    padding: 10px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(var(--blur-strong));
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.6);
    z-index: 20;
    transition: opacity 200ms var(--transition-base), transform 200ms var(--transition-base);
}

body[data-chat-state="open"] .app-nav {
    display: none;
}

.app-nav__item {
    border: none;
    background: transparent;
    border-radius: 16px;
    padding: 10px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background 180ms var(--transition-base), color 180ms var(--transition-base), transform 180ms var(--transition-base);
}

.app-nav__item--active {
    background: rgba(233, 53, 61, 0.12);
    color: var(--color-accent);
}

.app-nav__item:hover {
    transform: translateY(-2px);
}

.app-nav__icon {
    width: 22px;
    height: 22px;
}

.app-nav__icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.app-nav__label {
    font-size: 0.72rem;
    font-weight: 600;
}

.symbol-info-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 500;
    transition: opacity 180ms var(--transition-base);
}

.symbol-info-modal[hidden] {
    display: none;
}

.symbol-info-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(31, 31, 31, 0.4);
}

.symbol-info-modal__dialog {
    position: relative;
    background: #ffffff;
    border-radius: 16px;
    padding: 24px;
    width: min(420px, 100%);
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.16);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.symbol-info-modal__title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
}

.symbol-info-modal__close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(31, 31, 31, 0.08);
    color: var(--color-text);
    font-size: 1.2rem;
    line-height: 1;
    display: grid;
    place-items: center;
    cursor: pointer;
}

.symbol-info-modal__close:focus {
    outline: 2px solid rgba(233, 53, 61, 0.4);
    outline-offset: 2px;
}

.symbol-info-modal__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.symbol-info-modal__item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.symbol-info-modal__icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.symbol-info-modal__icon .user-item__badge {
    font-size: 0.7rem;
    padding: 3px 10px;
}

.symbol-info-modal__icon--favorite .user-item__favorite-icon {
    width: 28px;
    height: 28px;
}

.symbol-info-modal__text {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(31, 31, 31, 0.78);
    line-height: 1.45;
}

.new-message-modal {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    z-index: 50;
}

.new-message-modal[hidden] {
    display: none;
}

.new-message-modal__backdrop {
    position: absolute;
    inset: 0;
    background: transparent;
}

.new-message-modal__dialog {
    position: relative;
    padding: 20px 24px 22px 24px;
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 260px;
}

.new-message-modal__close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: rgba(31, 31, 31, 0.08);
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1;
    display: grid;
    place-items: center;
    cursor: pointer;
}

.new-message-modal__title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text);
}

.new-message-modal__text {
    margin: 0;
    font-size: 0.95rem;
    color: rgba(31, 31, 31, 0.78);
}

@media (max-width: 1024px) {
    .app-shell {
        width: min(900px, 100% - 24px);
    }
}

@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 280px 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --app-nav-height: 104px;
    }

    .app-shell {
        width: 100%;
        height: 100vh;
        min-height: 100vh;
        height: 100dvh;
        min-height: 100dvh;
        margin: 0;
        border-radius: 0;
        grid-template-columns: 1fr;
        grid-template-rows: 1fr;
    }

    .user-list {
        position: absolute;
        inset: 0;
        z-index: 2;
        transform: translateX(-100%);
        transition: transform 220ms var(--transition-base), opacity 180ms var(--transition-base);
        opacity: 0;
    }

    .user-list__close {
        display: inline-flex;
    }

    .chat-panel {
        padding: 16px;
    }

    .profile-panel {
        padding: 20px;
        padding-bottom: calc(20px + var(--app-nav-height));
        gap: 20px;
    }

    .profile-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .profile-card__avatar {
        width: 70px;
        height: 70px;
        font-size: 1.43rem;
    }

    .profile-section {
        padding: 20px;
    }

    .profile-section__row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .chat-header__back {
        display: grid;
    }

    .app-shell[data-view="list"] .user-list {
        transform: translateX(0);
        opacity: 1;
    }

    .app-shell[data-view="list"] .chat-panel {
        pointer-events: none;
        opacity: 0;
    }

    .app-shell[data-view="chat"] .user-list {
        pointer-events: none;
    }

    .app-nav__label {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms;
        animation-duration: 0.01ms;
        animation-iteration-count: 1;
    }
}