:root { --o:#f97316; --o2:#fb923c; --pink:#ec4899; --bg:#fff7ed; --card:#fff; --tx:#1f2937; --mut:#6b7280; }
* { box-sizing: border-box; font-family: 'Cairo', 'Segoe UI', Tahoma, sans-serif; }
html, body { margin: 0; background: var(--bg); color: var(--tx); overflow-x: hidden; -webkit-text-size-adjust: 100%; }
#app { max-width: 720px; margin: 0 auto; padding: calc(env(safe-area-inset-top) + 8px) 12px calc(env(safe-area-inset-bottom) + 24px); }
#hero { text-align: center; }
#hero h1 { font-size: 30px; margin: 6px 0 0; }
#hero p { margin: 2px 0 10px; color: var(--mut); font-size: 16px; }
.card { background: var(--card); border-radius: 18px; padding: 14px; margin: 10px 0; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
h2 { font-size: 21px; margin: 4px 0 8px; } h3 { font-size: 18px; margin: 12px 0 4px; }
p, li { font-size: 17px; line-height: 1.8; }
label { display: block; font-size: 16px; font-weight: 700; margin: 12px 0 4px; }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 600; }
label.check input { width: 24px; height: 24px; flex: none; margin-top: 3px; accent-color: var(--o); }
textarea, input[type=password], input[type=text], select {
  display: block; width: 100%; margin-top: 6px; font-size: 18px; line-height: 1.7; padding: 10px 12px;
  border: 1.5px solid #e5e7eb; border-radius: 14px; background: #fff; color: var(--tx); unicode-bidi: plaintext; text-align: start; }
textarea:focus, input:focus, select:focus { outline: 2px solid var(--o2); border-color: var(--o2); }
input[type=range] { width: 100%; direction: ltr; accent-color: var(--o); margin-top: 8px; }
input[type=file] { display: block; margin-top: 8px; font-size: 16px; max-width: 100%; }
.field { margin: 12px 0 4px; } .lbl { display: block; font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips button { font-size: 16px; padding: 10px 14px; border-radius: 12px; border: 1.5px solid #e5e7eb; background: #fff; color: var(--tx); cursor: pointer; }
.chips button.on { background: var(--o); color: #fff; border-color: var(--o); font-weight: 800; }
.big-btn { display: block; width: 100%; min-height: 60px; font-size: 21px; font-weight: 800; border-radius: 14px; border: none; margin-top: 14px;
  background: #fde7d3; color: #9a3412; cursor: pointer; text-align: center; line-height: 60px; padding: 0 10px; }
.big-btn.primary { background: linear-gradient(90deg, var(--o), var(--o2)); color: #fff; }
.big-btn:disabled { opacity: .55; }
.row2 { display: flex; gap: 10px; } .row2 > * { flex: 1; }
.small-btn { font-size: 15px; padding: 8px 12px; border-radius: 10px; border: 1.5px solid #fed7aa; background: #fff; color: #9a3412; font-weight: 700; }
.userbar { display: flex; justify-content: space-between; align-items: center; font-size: 15px; color: var(--mut); }
.tabs { display: flex; gap: 4px; border-bottom: 2px solid #fde7d3; margin-top: 8px; }
.tabs button { flex: 1; font-size: 19px; font-weight: 800; padding: 12px 4px; background: none; border: none; color: #374151; border-bottom: 3px solid transparent; margin-bottom: -2px; }
.tabs button.active { color: var(--o); border-bottom-color: var(--o); }
.status { font-size: 17px; line-height: 1.8; margin-top: 10px; white-space: pre-wrap; }
.status.err { background: #fef2f2; color: #991b1b; border-radius: 12px; padding: 10px 12px; }
.status.ok { color: #166534; }
.media img, .media video, .preview { width: 100%; border-radius: 14px; margin-top: 10px; display: block; }
.media audio, #aRefPreview { width: 100%; margin-top: 10px; }
.output { min-height: 200px; }
.muted { color: var(--mut); font-size: 15px; }
.howto summary, .help summary { font-size: 18px; font-weight: 800; cursor: pointer; padding: 6px 0; }
code { direction: ltr; unicode-bidi: embed; background: #f3f4f6; padding: 1px 6px; border-radius: 6px; }
.toast { position: fixed; bottom: calc(env(safe-area-inset-bottom) + 16px); left: 12px; right: 12px; background: #111827; color: #fff; padding: 12px 16px; border-radius: 12px; font-size: 16px; text-align: center; z-index: 10; }
.filelbl { margin-top: 14px; }
[hidden] { display: none !important; }
.chatlog { display: flex; flex-direction: column; gap: 8px; margin: 10px 0; max-height: 55vh; overflow-y: auto; }
.bubble { padding: 10px 14px; border-radius: 16px; font-size: 18px; line-height: 1.7; max-width: 88%; white-space: pre-wrap; unicode-bidi: plaintext; }
.bubble.me { align-self: flex-start; background: #fed7aa; }
.bubble.bot { align-self: flex-end; background: #f3f4f6; }
.bubble .speak { display: inline-block; margin-top: 6px; font-size: 15px; padding: 4px 10px; border-radius: 10px; border: 1px solid #fdba74; background: #fff; color: #9a3412; }
details.used-prompt { margin-top: 8px; font-size: 14px; color: var(--mut); }
details.used-prompt summary { font-size: 14px; cursor: pointer; }
details.used-prompt div { direction: ltr; text-align: left; background: #f9fafb; border-radius: 10px; padding: 8px; margin-top: 4px; font-size: 14px; }
.status.warn { background: #fffbeb; color: #92400e; border-radius: 12px; padding: 8px 12px; }