/* The same look as the app: its colors, its font (Geist) and its rounded cards. */
@font-face {
  font-family: Geist;
  src: url("fonts/geist-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
:root {
  --c-canvas: #f6f7f9; --c-surface: #ffffff; --c-subtle: #f1f3f5; --c-hover: #eef0f3; --c-line: #e3e6ea; --c-line-strong: #cfd4da;
  --c-ink: #15181d; --c-ink-muted: #545b66; --c-ink-faint: #7d8591;
  --c-accent: #3b5bdb; --c-accent-hover: #3249c2; --c-accent-soft: #edf1ff; --c-accent-ink: #2b44b0;
  --c-danger: #c92a2a; --c-danger-soft: #fff1f1; --c-success: #2b8a3e; --c-success-soft: #ebfbee;
  --c-fill: #3b5bdb; --c-fill-hover: #3249c2; /* buttons and your bubbles: white text stays readable */
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px rgba(16, 24, 40, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --c-canvas: #0f1115; --c-surface: #171a20; --c-subtle: #1d2129; --c-hover: #232833; --c-line: #2a2f3a; --c-line-strong: #3a4150;
    --c-ink: #e8eaee; --c-ink-muted: #a7aebb; --c-ink-faint: #7f8796;
    --c-accent: #6d8cff; --c-accent-hover: #8aa2ff; --c-accent-soft: #1d2440; --c-accent-ink: #a9bbff;
    --c-danger: #ff6b6b; --c-danger-soft: #3a1d1f; --c-success: #51cf66; --c-success-soft: #18301d;
    --c-fill: #3b5bdb; --c-fill-hover: #4c6ef5;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body { background: var(--c-canvas); color: var(--c-ink); font: 15px/1.5 Geist, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
a { color: var(--c-accent); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--c-ink-muted); margin: 0; }
.small { font-size: 13px; }

.app { max-width: 720px; margin: 0 auto; min-height: 100dvh; display: flex; flex-direction: column; }

/* header */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; background: color-mix(in srgb, var(--c-canvas) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--c-line); }
.who { display: flex; align-items: center; gap: 12px; min-width: 0; }
.avatar { position: relative; width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--c-fill), #7048e8); color: #fff; display: grid; place-items: center; font-weight: 650; font-size: 18px; flex: none; }
.presence { position: absolute; right: -1px; bottom: -1px; width: 12px; height: 12px; border-radius: 50%; background: var(--c-ink-faint); border: 2px solid var(--c-canvas); }
.presence.online { background: var(--c-success); }
.who-text { min-width: 0; }
h1 { font-size: 16px; font-weight: 650; margin: 0; }
.status { margin: 0; font-size: 13px; color: var(--c-ink-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.status.online { color: var(--c-success); }
.top-actions { display: flex; align-items: center; gap: 6px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 38px; padding: 0 14px; border-radius: 10px; font: inherit; font-weight: 550; font-size: 14px; border: 1px solid transparent; cursor: pointer; text-decoration: none; white-space: nowrap; transition: background .15s, border-color .15s; }
.btn-sm { height: 32px; padding: 0 10px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; height: 44px; }
.btn-primary { background: var(--c-fill); color: #fff; box-shadow: 0 1px 2px rgba(16, 24, 40, .1); }
.btn-primary:hover { background: var(--c-fill-hover); }
.btn-secondary { background: var(--c-surface); color: var(--c-ink); border-color: var(--c-line-strong); }
.btn-secondary:hover { background: var(--c-hover); }
.btn-ghost { background: transparent; color: var(--c-ink-muted); }
.btn-ghost:hover { background: var(--c-hover); color: var(--c-ink); }
.btn:disabled, .send-btn:disabled { opacity: .55; cursor: default; }
.icon-btn { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; border: 0; background: transparent; color: var(--c-ink-muted); cursor: pointer; }
.icon-btn:hover, .icon-btn[aria-expanded="true"] { background: var(--c-hover); color: var(--c-ink); }
.icon-btn.active { color: var(--c-danger); }
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

/* menu */
.menu { position: relative; }
.menu-list { position: absolute; right: 0; top: 42px; min-width: 240px; background: var(--c-surface); border: 1px solid var(--c-line); border-radius: 12px; box-shadow: var(--shadow); padding: 6px; display: flex; flex-direction: column; }
.menu-list button { text-align: left; font: inherit; font-size: 14px; color: var(--c-ink); background: none; border: 0; border-radius: 8px; padding: 9px 10px; cursor: pointer; }
.menu-list button:hover { background: var(--c-hover); }

.main { flex: 1; padding: 16px; display: flex; flex-direction: column; }

/* cards & forms */
.card { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: 14px; box-shadow: var(--shadow); }
.welcome { display: flex; flex-direction: column; gap: 14px; }
.hero { padding: 20px; }
.eyebrow { margin: 0 0 6px; font-size: 12px; font-weight: 600; letter-spacing: .02em; text-transform: uppercase; color: var(--c-accent-ink); }
.hero h2 { margin: 0 0 6px; font-size: 22px; font-weight: 650; letter-spacing: -.01em; }
.label-sm { margin: 16px 0 8px; font-size: 13px; font-weight: 600; color: var(--c-ink-muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; font: inherit; font-size: 13px; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--c-line-strong); background: var(--c-surface); color: var(--c-ink); cursor: pointer; }
.chip:hover { background: var(--c-hover); }
.chip svg { width: 16px; height: 16px; color: var(--c-accent-ink); }
.chip[aria-pressed="true"] svg { color: var(--c-accent-ink); }
.chip[aria-pressed="true"] { background: var(--c-accent-soft); border-color: var(--c-accent); color: var(--c-accent-ink); font-weight: 550; }
.form { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 520px) { .grid-2 { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 550; margin: 0; border: 0; padding: 0; min-width: 0; }
.field legend { padding: 0; margin-bottom: 6px; }
.hint { font-weight: 400; color: var(--c-ink-faint); }
input, textarea, select { font: inherit; font-size: 15px; color: var(--c-ink); background: var(--c-surface); border: 1px solid var(--c-line-strong); border-radius: 10px; padding: 9px 12px; width: 100%; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--c-accent); outline-offset: -1px; border-color: transparent; }
textarea { resize: vertical; }
.trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.error { color: var(--c-danger); font-size: 13px; margin: 0; }
.error:empty { display: none; }
.fine { margin: 0; font-size: 12px; color: var(--c-ink-faint); text-align: center; }
.resume { display: flex; flex-direction: column; gap: 10px; }
.link-btn { align-self: center; font: inherit; font-size: 14px; color: var(--c-accent); background: none; border: 0; padding: 6px 8px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.link-btn:hover { color: var(--c-accent-hover); }
.form-title { margin: 0 0 4px; font-size: 16px; font-weight: 650; }
.small { font-size: 13px; }
.notice { margin: 0; font-size: 13px; color: var(--c-ink); background: var(--c-accent-soft); border-radius: 10px; padding: 10px 12px; }

/* chat */
.chat { display: flex; flex-direction: column; gap: 12px; flex: 1; }
.messages { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.day { align-self: center; margin: 12px 0 6px; font-size: 12px; color: var(--c-ink-faint); background: var(--c-subtle); padding: 3px 10px; border-radius: 999px; }
.msg { display: flex; flex-direction: column; max-width: min(78%, 480px); margin-top: 6px; }
.msg.mine { align-self: flex-end; align-items: flex-end; }
.msg.theirs { align-self: flex-start; align-items: flex-start; }
.bubble { padding: 9px 13px; border-radius: 18px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 15px; }
.mine .bubble { background: var(--c-fill); color: #fff; border-bottom-right-radius: 6px; }
.mine .bubble a { color: #fff; }
.theirs .bubble { background: var(--c-surface); border: 1px solid var(--c-line); border-bottom-left-radius: 6px; }
.msg { position: relative; touch-action: pan-y; }
.reply-btn { position: absolute; top: 50%; transform: translateY(-60%); width: 30px; height: 30px; display: grid; place-items: center; border: 0; border-radius: 50%; background: var(--c-subtle); color: var(--c-ink-muted); cursor: pointer; opacity: 0; transition: opacity .15s; }
.reply-btn svg { width: 16px; height: 16px; }
.mine .reply-btn { left: -38px; }
.theirs .reply-btn { right: -38px; }
.msg:hover .reply-btn, .reply-btn:focus-visible { opacity: 1; }
.reply-btn:hover { color: var(--c-ink); background: var(--c-hover); }
@media (hover: none) { .reply-btn { opacity: .55; } }
.quote { display: flex; flex-direction: column; gap: 1px; width: 100%; text-align: left; font: inherit; cursor: pointer; border: 0; border-left: 3px solid var(--c-accent); border-radius: 8px; padding: 5px 9px; margin-bottom: 6px; background: var(--c-subtle); color: var(--c-ink); }
.msg > .quote { max-width: 320px; margin-bottom: 2px; }
.mine .bubble .quote { background: rgba(255, 255, 255, .16); border-left-color: rgba(255, 255, 255, .85); color: #fff; }
.quote-name { font-size: 12px; font-weight: 650; color: var(--c-accent-ink); }
.mine .bubble .quote-name { color: #fff; }
.quote-text { font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; opacity: .9; }
.msg.flash .bubble, .msg.flash .info-card, .msg.flash .photos { animation: flash 1.6s ease; }
@keyframes flash { 0%, 45% { box-shadow: 0 0 0 3px var(--c-accent); } 100% { box-shadow: 0 0 0 3px transparent; } }
.replying { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; padding: 6px 6px 6px 10px; border-left: 3px solid var(--c-accent); border-radius: 10px; background: var(--c-surface); border-top: 1px solid var(--c-line); border-right: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.replying .quote-body { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.replying[hidden] { display: none; }
.meta { font-size: 11px; color: var(--c-ink-faint); margin: 3px 6px 0; display: flex; gap: 4px; align-items: center; }
.meta .seen { color: var(--c-accent); }
.photos { display: grid; gap: 4px; margin-bottom: 4px; }
.photos.n2, .photos.n3, .photos.n4 { grid-template-columns: 1fr 1fr; }
.photos button { padding: 0; border: 0; background: none; cursor: zoom-in; border-radius: 14px; overflow: hidden; display: block; }
.photos img { display: block; width: 100%; max-height: 260px; object-fit: cover; background: var(--c-subtle); min-height: 80px; }
.photos.n1 img { max-width: 280px; }
audio { width: 260px; max-width: 100%; height: 40px; margin-bottom: 4px; }
.info-card { border: 1px solid var(--c-line); border-radius: 14px; background: var(--c-surface); padding: 12px 14px; font-size: 14px; min-width: 240px; }
.mine .info-card { border-color: var(--c-accent); }
.info-card h3 { margin: 0 0 6px; font-size: 13px; font-weight: 650; color: var(--c-accent-ink); display: flex; align-items: center; gap: 6px; }
.info-card h3 svg { width: 16px; height: 16px; }
.tick { display: inline-flex; align-items: center; gap: 3px; }
.tick-icon { width: 14px; height: 14px; }
.att.voice svg { width: 16px; height: 16px; color: var(--c-accent-ink); }
.info-card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 3px 10px; }
.info-card dt { color: var(--c-ink-faint); font-size: 12px; }
.info-card dd { margin: 0; overflow-wrap: anywhere; }
.typing { align-self: flex-start; margin-top: 6px; padding: 12px 14px; background: var(--c-surface); border: 1px solid var(--c-line); border-radius: 18px; border-bottom-left-radius: 6px; display: inline-flex; gap: 4px; }
.typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--c-ink-faint); animation: blink 1.2s infinite; }
.typing span:nth-child(2) { animation-delay: .2s; } .typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .typing span { animation: none; opacity: .6; } }
.next { padding: 14px; }
.next .label-sm { margin-top: 0; }
.next-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.away { margin: 0; font-size: 13px; color: var(--c-ink-muted); background: var(--c-subtle); border-radius: 10px; padding: 9px 12px; }
.quick { display: flex; flex-wrap: wrap; gap: 6px; }

/* composer */
.composer { position: sticky; bottom: 0; background: color-mix(in srgb, var(--c-canvas) 92%, transparent); backdrop-filter: blur(10px); border-top: 1px solid var(--c-line); padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); }
.composer-row { display: flex; align-items: flex-end; gap: 6px; background: var(--c-surface); border: 1px solid var(--c-line-strong); border-radius: 16px; padding: 5px; }
.composer-row:focus-within { border-color: var(--c-accent); box-shadow: 0 0 0 3px var(--c-accent-soft); }
.tools { display: flex; }
.composer textarea { border: 0; outline: 0; background: transparent; resize: none; min-height: 36px; max-height: 140px; padding: 7px 4px; box-shadow: none; }
.composer textarea:focus { outline: 0; }
.send-btn { width: 38px; height: 38px; border-radius: 12px; border: 0; background: var(--c-fill); color: #fff; display: grid; place-items: center; cursor: pointer; flex: none; }
.send-btn svg { fill: currentColor; stroke: none; }
.attachments { display: flex; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.att { position: relative; width: 64px; height: 64px; border-radius: 12px; overflow: hidden; border: 1px solid var(--c-line); background: var(--c-subtle); display: grid; place-items: center; font-size: 12px; color: var(--c-ink-muted); }
.att img { width: 100%; height: 100%; object-fit: cover; }
.att.voice { width: auto; padding: 0 30px 0 12px; gap: 6px; display: flex; }
.att button { position: absolute; top: 3px; right: 3px; width: 20px; height: 20px; border-radius: 50%; border: 0; background: rgba(0, 0, 0, .6); color: #fff; font-size: 13px; line-height: 1; cursor: pointer; }
.emoji-pop { position: absolute; bottom: 66px; left: 12px; width: min(340px, calc(100% - 24px)); padding: 8px; display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; z-index: 6; }
.emoji-pop button { font-size: 22px; border: 0; background: none; border-radius: 8px; height: 38px; cursor: pointer; }
.emoji-pop button:hover { background: var(--c-hover); }
.recording { display: flex; align-items: center; gap: 8px; font-size: 14px; margin-bottom: 8px; color: var(--c-danger); }
.rec-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c-danger); animation: blink 1s infinite; }

/* dialogs */
.dialog { border: 1px solid var(--c-line); border-radius: 16px; padding: 0; width: min(560px, calc(100vw - 24px)); max-height: calc(100dvh - 32px); background: var(--c-surface); color: var(--c-ink); box-shadow: var(--shadow); }
.dialog::backdrop, .viewer::backdrop { background: rgba(10, 12, 16, .55); backdrop-filter: blur(2px); }
.dialog-body { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.dialog-head { display: flex; align-items: center; justify-content: space-between; }
.dialog-head h2 { margin: 0; font-size: 17px; font-weight: 650; }
.dialog-foot { display: flex; justify-content: flex-end; gap: 8px; }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
@media (max-width: 520px) { .checks { grid-template-columns: 1fr; } }
.check { display: flex; align-items: center; gap: 8px; font-weight: 400; font-size: 14px; padding: 8px 10px; border: 1px solid var(--c-line); border-radius: 10px; cursor: pointer; }
.check:has(input:checked) { border-color: var(--c-accent); background: var(--c-accent-soft); }
.check input { width: 16px; height: 16px; accent-color: var(--c-accent); }
.field input + input { margin-top: 6px; }
.slots { display: flex; flex-direction: column; gap: 8px; }
.slot { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.viewer { border: 0; padding: 0; background: transparent; max-width: 96vw; max-height: 96dvh; }
.viewer img { display: block; max-width: 96vw; max-height: 90dvh; border-radius: 12px; }
.viewer-close { position: fixed; top: 12px; right: 12px; background: rgba(0, 0, 0, .55); color: #fff; }
.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%); background: var(--c-ink); color: var(--c-canvas); padding: 9px 14px; border-radius: 10px; font-size: 14px; box-shadow: var(--shadow); z-index: 10; }