:root {
  --ska-forest: #14301f;
  --ska-leaf: #1e6f45;
  --ska-gold: #c9a227;
  --ska-cream: #f7f3e8;
  --ska-ink: #17231b;
  --ska-muted: #66736a;
  --ska-danger: #9c3d2f;
}

body.ska-is-open { overflow: hidden; }

.ska-shell[hidden] { display: none !important; }
.ska-shell {
  position: fixed;
  inset: 0;
  z-index: 100000;
  font-family: "Anuphan", "IBM Plex Sans Thai", sans-serif;
}
.ska-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 24, 15, .64);
  backdrop-filter: blur(5px);
  opacity: 0;
  transition: opacity .18s ease;
}
.ska-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(520px, 100%);
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto auto auto;
  background: var(--ska-cream);
  color: var(--ska-ink);
  box-shadow: -24px 0 60px rgba(5, 25, 13, .28);
  transform: translateX(102%);
  transition: transform .24s cubic-bezier(.22, 1, .36, 1);
  overflow: hidden;
}
.ska-shell.is-open .ska-backdrop { opacity: 1; }
.ska-shell.is-open .ska-panel { transform: translateX(0); }
.ska-header {
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr 40px;
  gap: 13px;
  align-items: center;
  padding: 22px 20px 18px;
  color: #fff;
  background:
    radial-gradient(circle at 88% 12%, rgba(201, 162, 39, .27), transparent 27%),
    linear-gradient(145deg, #0e2819, var(--ska-forest));
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.ska-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(233, 200, 105, .6);
  border-radius: 15px 15px 15px 4px;
  background: rgba(255,255,255,.06);
}
.ska-mark span {
  width: 19px;
  height: 25px;
  border: 2px solid #e9c869;
  border-radius: 50% 5px 50% 5px;
  transform: rotate(-28deg);
}
.ska-kicker {
  margin: 0 0 3px;
  color: #e9c869;
  font-size: 10px;
  line-height: 1.3;
  letter-spacing: .13em;
  font-weight: 700;
}
.ska-heading h2 { margin: 0; color: #fff; font-size: 21px; line-height: 1.25; }
.ska-heading #ska-subtitle { margin: 4px 0 0; color: #d7dfd9; font-size: 12px; line-height: 1.45; }
.ska-close {
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  color: #fff;
  background: rgba(255,255,255,.07);
  font: 300 28px/1 sans-serif;
}
.ska-close:hover, .ska-close:focus-visible { background: rgba(255,255,255,.16); }
.ska-messages {
  overflow-y: auto;
  padding: 24px 20px;
  scroll-behavior: smooth;
  background:
    linear-gradient(rgba(20,48,31,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,48,31,.035) 1px, transparent 1px),
    var(--ska-cream);
  background-size: 24px 24px;
}
.ska-message {
  max-width: 88%;
  margin: 0 0 15px;
  padding: 15px 17px;
  border-radius: 4px 18px 18px 18px;
  background: #fff;
  border: 1px solid rgba(20,48,31,.1);
  box-shadow: 0 8px 26px rgba(20,48,31,.07);
  animation: ska-rise .24s ease both;
}
.ska-message--user {
  margin-left: auto;
  border-radius: 18px 4px 18px 18px;
  color: #fff;
  background: var(--ska-leaf);
  border-color: var(--ska-leaf);
}
.ska-message p { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.ska-message .ska-speaker {
  margin-bottom: 7px;
  color: var(--ska-gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
}
.ska-message--user .ska-speaker { color: #f0d983; }
.ska-message__body { font-size: 15px; line-height: 1.75; }
.ska-message__meta { margin-top: 9px !important; color: var(--ska-muted); font-size: 11px; }
.ska-message--user .ska-message__meta { color: rgba(255,255,255,.72); }
.ska-caution {
  margin-top: 12px !important;
  padding-top: 11px;
  border-top: 1px solid rgba(20,48,31,.1);
  color: var(--ska-muted);
  font-size: 12px;
  line-height: 1.6;
}
.ska-prompts { display: flex; flex-wrap: wrap; gap: 8px; margin: 2px 0 18px; }
.ska-prompts button {
  min-height: 38px;
  padding: 8px 13px;
  border: 1px solid rgba(30,111,69,.26);
  border-radius: 999px;
  color: var(--ska-leaf);
  background: rgba(255,255,255,.8);
  font: 600 12px/1.35 "Anuphan", sans-serif;
}
.ska-prompts button:hover, .ska-prompts button:focus-visible { border-color: var(--ska-leaf); background: #fff; }
.ska-detail {
  margin: 0 0 14px;
  padding: 14px 16px;
  border-left: 3px solid var(--ska-gold);
  background: rgba(255,255,255,.74);
  font-size: 13px;
  line-height: 1.65;
}
.ska-detail--warning { border-left-color: var(--ska-danger); }
.ska-detail strong { color: var(--ska-forest); }
.ska-detail ul { margin: 7px 0 0 18px; }
.ska-status {
  min-height: 0;
  padding: 0 20px;
  color: var(--ska-muted);
  background: #fff;
  font-size: 12px;
}
.ska-status:not(:empty) { padding-top: 9px; }
.ska-status[data-tone="busy"]::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--ska-gold);
  animation: ska-pulse 1s ease infinite;
}
.ska-composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: end;
  padding: 12px 16px 10px;
  background: #fff;
  border-top: 1px solid rgba(20,48,31,.1);
}
.ska-composer textarea {
  width: 100%;
  min-height: 52px;
  max-height: 150px;
  resize: vertical;
  margin: 0;
  padding: 13px 14px;
  border: 1px solid #cbd4cd;
  border-radius: 13px;
  color: var(--ska-ink);
  background: #fbfcfa;
  font: 400 14px/1.55 "Anuphan", sans-serif;
  box-shadow: none;
}
.ska-composer textarea:focus { border-color: var(--ska-leaf); box-shadow: 0 0 0 3px rgba(30,111,69,.12); }
.ska-send {
  min-height: 52px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0 18px;
  border: 0;
  border-radius: 13px;
  color: #fff;
  background: var(--ska-forest);
  font: 600 13px/1 "Anuphan", sans-serif;
}
.ska-send:hover, .ska-send:focus-visible { background: var(--ska-leaf); }
.ska-send:disabled { opacity: .52; cursor: wait; }
.ska-footer {
  padding: 0 18px calc(10px + env(safe-area-inset-bottom));
  color: #728077;
  background: #fff;
  font-size: 10px;
  text-align: center;
}
.ska-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #3c9860; }
.ska-shell button:focus-visible, .ska-shell textarea:focus-visible { outline: 3px solid rgba(201,162,39,.45); outline-offset: 2px; }

@keyframes ska-rise { from { opacity: 0; transform: translateY(7px); } }
@keyframes ska-pulse { 50% { opacity: .3; transform: scale(.82); } }

@media (max-width: 549px) {
  .ska-panel { width: 100%; }
  .ska-header { grid-template-columns: 42px 1fr 36px; padding: 16px 14px 14px; }
  .ska-mark { width: 42px; height: 42px; }
  .ska-heading h2 { font-size: 18px; }
  .ska-heading #ska-subtitle { font-size: 11px; }
  .ska-messages { padding: 18px 14px; }
  .ska-message { max-width: 94%; }
  .ska-composer { padding: 10px 10px 8px; }
  .ska-send { width: 52px; padding: 0; }
  .ska-send span:first-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
}

@media (prefers-reduced-motion: reduce) {
  .ska-backdrop, .ska-panel, .ska-message { transition: none; animation: none; }
}