/* Emoji picker (chat/js/emoji_picker.js). Own palette so it works on every screen; dark via data-theme. */
.emoji-picker {
    --ep-bg: #ffffff; --ep-text: #1f2a3a; --ep-muted: #6b7a90; --ep-border: #e2e8f0; --ep-hover: #f1f5f9;
    --ep-accent: var(--accent-text, var(--primary-color, #00a78c));
    position: fixed; z-index: 2147483000; width: 344px; max-width: calc(100vw - 16px); height: 392px; max-height: calc(100dvh - 16px);
    display: flex; flex-direction: column; overflow: hidden;
    background: var(--ep-bg); color: var(--ep-text); border: 1px solid var(--ep-border); border-radius: 14px;
    box-shadow: 0 18px 48px rgba(15, 23, 42, .18), 0 2px 6px rgba(15, 23, 42, .06);
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif; font-size: 13px; color-scheme: light;
}
.emoji-picker[data-theme="dark"] { --ep-bg: #161e2b; --ep-text: #e9eef6; --ep-muted: #a0aec1; --ep-border: #2a3647; --ep-hover: #212c3d; color-scheme: dark; box-shadow: 0 18px 48px rgba(0, 0, 0, .5); }
.emoji-picker[hidden] { display: none !important; }
.emoji-picker .ep-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.emoji-picker .ep-search { display: flex; align-items: center; gap: 8px; margin: 10px 10px 6px; padding: 0 10px; min-height: 38px; border: 1px solid var(--ep-border); border-radius: 10px; background: var(--ep-hover); }
.emoji-picker .ep-search i { color: var(--ep-muted); font-size: 13px; }
.emoji-picker .ep-search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ep-text); font: inherit; font-size: 13px; padding: 8px 0; }
.emoji-picker .ep-search:focus-within { border-color: var(--ep-accent); }
.emoji-picker .ep-tabs { display: flex; gap: 2px; padding: 0 8px 6px; border-bottom: 1px solid var(--ep-border); overflow-x: auto; scrollbar-width: none; }
.emoji-picker .ep-tab { flex: 1 0 30px; min-width: 30px; height: 32px; border: 0; border-radius: 8px; background: transparent; color: var(--ep-muted); cursor: pointer; font-size: 15px; }
.emoji-picker .ep-tab:hover, .emoji-picker .ep-tab:focus-visible { background: var(--ep-hover); color: var(--ep-accent); }
.emoji-picker .ep-body { flex: 1; min-height: 0; overflow-y: auto; padding: 4px 8px 8px; overscroll-behavior: contain; scrollbar-width: thin; }
.emoji-picker .ep-section-title { position: sticky; top: 0; z-index: 1; margin: 0; padding: 8px 4px 4px; background: var(--ep-bg); color: var(--ep-muted); font-size: 10.5px; font-weight: 700; letter-spacing: .4px; text-transform: uppercase; }
.emoji-picker .ep-grid { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 2px; }
.emoji-picker .ep-emoji { aspect-ratio: 1; min-height: 36px; padding: 0; border: 0; border-radius: 8px; background: transparent; cursor: pointer; font-size: 22px; line-height: 1; font-family: 'Segoe UI Emoji', 'Apple Color Emoji', 'Noto Color Emoji', sans-serif; transition: transform .08s ease; }
.emoji-picker .ep-emoji:hover { background: var(--ep-hover); transform: scale(1.12); }
.emoji-picker .ep-emoji:focus-visible { outline: 2px solid var(--ep-accent); outline-offset: -2px; background: var(--ep-hover); }
.emoji-picker .ep-empty { margin: 32px 12px; text-align: center; color: var(--ep-muted); font-size: 12px; }
.emoji-picker .ep-footer { display: flex; align-items: center; gap: 10px; min-height: 40px; padding: 4px 12px; border-top: 1px solid var(--ep-border); color: var(--ep-muted); font-size: 11.5px; }
.emoji-picker .ep-preview-emoji { font-size: 22px; font-family: 'Segoe UI Emoji', 'Apple Color Emoji', 'Noto Color Emoji', sans-serif; }
.emoji-picker .ep-preview-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.emoji-picker.is-sheet { left: 0 !important; right: 0; bottom: 0 !important; top: auto !important; width: 100%; max-width: none; height: min(58dvh, 420px); border-radius: 16px 16px 0 0; padding-bottom: env(safe-area-inset-bottom); }
.emoji-picker.is-sheet .ep-emoji { min-height: 40px; }
@media (prefers-reduced-motion: reduce) { .emoji-picker .ep-emoji { transition: none; } .emoji-picker .ep-emoji:hover { transform: none; } }