/* ==========================================================================
   TRAVILA AI — أنماط المساعد الذكي (حزمة مستقلة)
   كل الأنماط معزولة داخل .tvai ولا تلمس تنسيقات موقعك الحالي.
   ========================================================================== */

.tvai {
  --tvai-teal: #08302b;
  --tvai-teal-600: #0e5449;
  --tvai-teal-300: #2f8c7c;
  --tvai-gold: #c9a15a;
  --tvai-gold-600: #b0873d;
  --tvai-sand: #f6f2e9;
  --tvai-sand-50: #faf8f3;
  --tvai-ink: #16241f;
  --tvai-muted: #6b7a74;
  --tvai-line: #e4ded1;
  --tvai-white: #ffffff;
  --tvai-danger: #a4372b;
  --tvai-ok: #2f7d5c;
  --tvai-radius: 20px;
  --tvai-shadow: 0 26px 70px rgba(8, 48, 43, .26);
  --tvai-font: "Segoe UI", "Noto Naskh Arabic", Tahoma, system-ui, -apple-system, sans-serif;

  position: fixed;
  inset-block-end: 1.15rem;
  inset-inline-end: 1.15rem;
  z-index: 9000;
  font-family: var(--tvai-font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--tvai-ink);
  direction: rtl;
  -webkit-font-smoothing: antialiased;
}

.tvai[dir="ltr"] { direction: ltr; }

/* --- عناصر مشتركة --- */
.tvai *,
.tvai *::before,
.tvai *::after { box-sizing: border-box; }

.tvai button { font-family: inherit; }
.tvai button:focus-visible,
.tvai a:focus-visible,
.tvai textarea:focus-visible {
  outline: 3px solid var(--tvai-gold);
  outline-offset: 2px;
  border-radius: 10px;
}

.tvai-sr {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   1. زر الفتح
   ========================================================================== */
.tvai-launch {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  border: 0;
  border-radius: 999px;
  padding: .72rem 1.05rem .72rem .8rem;
  background: linear-gradient(135deg, var(--tvai-teal) 0%, var(--tvai-teal-600) 100%);
  color: #fff;
  font-size: .84rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(8, 48, 43, .34);
  transition: transform .2s ease, box-shadow .2s ease;
}

.tvai-launch:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(8, 48, 43, .4); }
.tvai-launch:active { transform: translateY(0); }

.tvai-launch__spark {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, #f0d59b, var(--tvai-gold) 70%);
  color: #2b1f07;
  font-size: 1rem;
  line-height: 1;
  flex: 0 0 auto;
  animation: tvai-pulse 3.2s ease-in-out infinite;
}

@keyframes tvai-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 161, 90, .55); }
  50%      { box-shadow: 0 0 0 7px rgba(201, 161, 90, 0); }
}

.tvai-launch__label { white-space: nowrap; }

/* ==========================================================================
   2. اللوحة
   ========================================================================== */
.tvai-panel {
  position: absolute;
  inset-block-end: calc(100% + .7rem);
  inset-inline-end: 0;
  display: flex;
  flex-direction: column;
  width: min(410px, calc(100vw - 2.3rem));
  max-height: min(660px, 76vh);
  overflow: hidden;
  background: var(--tvai-white);
  border: 1px solid var(--tvai-line);
  border-radius: var(--tvai-radius);
  box-shadow: var(--tvai-shadow);
  transform-origin: bottom left;
  animation: tvai-in .22s cubic-bezier(.2, .8, .3, 1);
}

.tvai[dir="rtl"] .tvai-panel { transform-origin: bottom right; }
.tvai-panel[hidden] { display: none; }

@keyframes tvai-in {
  from { opacity: 0; transform: translateY(10px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- الترويسة --- */
.tvai-head {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .8rem .9rem;
  background: linear-gradient(135deg, var(--tvai-teal) 0%, #0b3f38 100%);
  color: #fff;
  flex: 0 0 auto;
}

.tvai-head__avatar {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 11px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(201, 161, 90, .55);
  color: var(--tvai-gold);
  font-size: 1.05rem;
  flex: 0 0 auto;
}

.tvai-head__meta { display: grid; gap: .1rem; min-width: 0; flex: 1 1 auto; }
.tvai-head__title { font-size: .86rem; font-weight: 700; letter-spacing: .1px; }
.tvai-head__sub {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .68rem;
  color: rgba(255, 255, 255, .76);
}
.tvai-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #6fd39c;
  flex: 0 0 auto;
  box-shadow: 0 0 0 3px rgba(111, 211, 156, .18);
}
.tvai-dot--off { background: #e0b25f; box-shadow: 0 0 0 3px rgba(224, 178, 95, .18); }

.tvai-iconbtn {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border: 0;
  border-radius: 9px;
  background: rgba(255, 255, 255, .08);
  color: #fff;
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  flex: 0 0 auto;
  transition: background .15s ease;
}
.tvai-iconbtn:hover { background: rgba(255, 255, 255, .2); }

/* --- اقتراحات سريعة --- */
.tvai-suggests {
  display: flex;
  gap: .35rem;
  flex-wrap: wrap;
  padding: .6rem .8rem;
  border-block-end: 1px solid var(--tvai-line);
  background: var(--tvai-sand-50);
  flex: 0 0 auto;
}

.tvai-chip {
  border: 1px solid var(--tvai-line);
  border-radius: 999px;
  background: var(--tvai-white);
  color: var(--tvai-teal-600);
  padding: .3rem .6rem;
  font-size: .68rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.tvai-chip:hover { background: var(--tvai-teal); border-color: var(--tvai-teal); color: #fff; }

/* --- الرسائل --- */
.tvai-thread {
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: .85rem;
  background:
    radial-gradient(circle at 100% 0%, rgba(201, 161, 90, .07), transparent 42%),
    var(--tvai-white);
}

.tvai-msg {
  max-width: 93%;
  padding: .62rem .78rem;
  border-radius: 14px;
  font-size: .8rem;
  line-height: 1.78;
  overflow-wrap: anywhere;
}

.tvai-msg--bot {
  align-self: flex-start;
  background: var(--tvai-sand-50);
  border: 1px solid var(--tvai-line);
  color: var(--tvai-ink);
  border-start-start-radius: 5px;
}

.tvai-msg--user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--tvai-teal-600), var(--tvai-teal));
  color: #fff;
  border-start-end-radius: 5px;
}

.tvai-msg--error {
  align-self: stretch;
  max-width: 100%;
  background: #fdf1ef;
  border: 1px solid #f0d3ce;
  color: var(--tvai-danger);
  font-size: .76rem;
}

/* نص منسّق داخل الإجابة */
.tvai-msg p { margin: 0 0 .5rem; }
.tvai-msg p:last-child { margin-bottom: 0; }
.tvai-msg strong { font-weight: 700; color: #07352e; }
.tvai-msg h4 {
  margin: .1rem 0 .35rem;
  font-size: .84rem;
  font-weight: 700;
  color: var(--tvai-teal);
}
.tvai-msg ul,
.tvai-msg ol { margin: 0 0 .5rem; padding-inline-start: 1.15rem; }
.tvai-msg li { margin-bottom: .22rem; }
.tvai-msg a { color: var(--tvai-teal-600); text-decoration: underline; text-underline-offset: 2px; }
.tvai-msg code {
  background: rgba(8, 48, 43, .07);
  border-radius: 5px;
  padding: .05rem .3rem;
  font-size: .92em;
}

/* مؤشر الكتابة */
.tvai-typing { display: inline-flex; gap: .26rem; align-items: center; padding: .18rem 0; }
.tvai-typing i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--tvai-teal-300);
  animation: tvai-bounce 1.15s infinite ease-in-out;
}
.tvai-typing i:nth-child(2) { animation-delay: .16s; }
.tvai-typing i:nth-child(3) { animation-delay: .32s; }

@keyframes tvai-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: .45; }
  40%           { transform: translateY(-4px); opacity: 1; }
}

/* شريحة مؤشر الحالة أسفل الرسالة */
.tvai-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  margin-top: .45rem;
  padding: .12rem .45rem;
  border-radius: 999px;
  background: rgba(8, 48, 43, .06);
  color: var(--tvai-muted);
  font-size: .61rem;
  font-weight: 600;
}
.tvai-badge--local { background: #fdf4e3; color: #8a6320; }

/* روابط وجهات ذات صلة */
.tvai-refs {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  margin-top: .55rem;
  padding-top: .5rem;
  border-top: 1px dashed var(--tvai-line);
}
.tvai-refs a {
  display: inline-flex;
  align-items: center;
  gap: .22rem;
  border: 1px solid var(--tvai-line);
  border-radius: 999px;
  background: var(--tvai-white);
  padding: .16rem .5rem;
  font-size: .64rem;
  font-weight: 600;
  color: var(--tvai-teal-600);
  text-decoration: none;
}
.tvai-refs a:hover { background: var(--tvai-teal); border-color: var(--tvai-teal); color: #fff; }

/* أدوات الإجابة */
.tvai-tools { display: flex; gap: .35rem; margin-top: .45rem; }
.tvai-tool {
  border: 0;
  background: transparent;
  color: var(--tvai-muted);
  font-size: .63rem;
  font-weight: 600;
  cursor: pointer;
  padding: .1rem .2rem;
  border-radius: 6px;
}
.tvai-tool:hover { color: var(--tvai-teal); text-decoration: underline; }

/* --- شريط الانتظار / التنبيه --- */
.tvai-notice {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0;
  padding: .5rem .8rem;
  background: #fdf4e3;
  border-block-start: 1px solid #f0e0bf;
  color: #7a5720;
  font-size: .68rem;
  font-weight: 600;
  line-height: 1.5;
}
.tvai-notice[hidden] { display: none; }
.tvai-notice b { font-variant-numeric: tabular-nums; }

/* --- نموذج الإرسال --- */
.tvai-form {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-end;
  gap: .45rem;
  padding: .6rem .75rem;
  border-block-start: 1px solid var(--tvai-line);
  background: var(--tvai-white);
}

.tvai-input {
  flex: 1 1 auto;
  min-width: 0;
  max-height: 110px;
  resize: none;
  border: 1px solid var(--tvai-line);
  border-radius: 12px;
  background: var(--tvai-sand-50);
  padding: .52rem .65rem;
  font-family: inherit;
  font-size: .79rem;
  line-height: 1.6;
  color: var(--tvai-ink);
}
.tvai-input::placeholder { color: #9aa7a1; }
.tvai-input:focus { background: #fff; border-color: var(--tvai-teal-300); }

.tvai-send {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--tvai-gold), var(--tvai-gold-600));
  color: #241905;
  cursor: pointer;
  flex: 0 0 auto;
  transition: filter .15s ease, transform .15s ease;
}
.tvai-send:hover:not(:disabled) { filter: brightness(1.06); transform: translateY(-1px); }
.tvai-send:disabled { opacity: .45; cursor: not-allowed; }
.tvai-send svg { width: 17px; height: 17px; }
.tvai[dir="rtl"] .tvai-send svg { transform: scaleX(-1); }

.tvai-stop {
  border: 1px solid var(--tvai-line);
  border-radius: 12px;
  background: #fff;
  color: var(--tvai-danger);
  font-size: .7rem;
  font-weight: 700;
  padding: 0 .6rem;
  height: 38px;
  cursor: pointer;
  flex: 0 0 auto;
}
.tvai-stop[hidden] { display: none; }

/* --- تنبيه أسفل اللوحة --- */
.tvai-foot {
  flex: 0 0 auto;
  margin: 0;
  padding: 0 .8rem .55rem;
  background: var(--tvai-white);
  color: var(--tvai-muted);
  font-size: .61rem;
  line-height: 1.55;
}

/* ==========================================================================
   3. الجوال
   ========================================================================== */
@media (max-width: 560px) {
  .tvai { inset-block-end: .7rem; inset-inline-end: .7rem; }
  .tvai-launch { padding: .62rem .85rem .62rem .7rem; font-size: .78rem; }
  .tvai-launch__label { display: none; }

  .tvai-panel {
    position: fixed;
    inset: auto .55rem .55rem .55rem;
    width: auto;
    max-height: min(84vh, 100%);
    border-radius: 18px;
  }
}

/* ==========================================================================
   4. تقليل الحركة
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .tvai-launch__spark { animation: none; }
  .tvai-panel { animation: none; }
  .tvai-typing i { animation: none; opacity: .7; }
  .tvai-launch,
  .tvai-send { transition: none; }
}

/* ==========================================================================
   5. الطباعة — لا تطبع المساعد
   ========================================================================== */
@media print {
  .tvai { display: none !important; }
}