/* Mesma paleta do widget (list.css): o portal é outra porta para a mesma
   coisa e deve parecer da mesma família. */
:root {
  --primary: #1F5D50;
  --primary-dark: #123A32;
  --primary-tint: #E4EFEC;
  --accent: #C98A2A;
  --bg: #F6F4EF;
  --surface: #FFFFFF;
  --surface-2: #FBFAF7;
  --text: #201F1B;
  --text-secondary: #6B685F;
  --text-muted: #9A968A;
  --border: #E4E0D5;
  --danger: #B23B30;
  --danger-tint: #F7E7E3;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(32,31,27,0.06), 0 8px 24px rgba(32,31,27,0.08);
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-body); }

.app-head { background: var(--surface); border-bottom: 1px solid var(--border); }
.app-head-inner {
  max-width: 760px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.app-brand { font-weight: 700; color: var(--primary); font-size: 15px; }
.app-logout {
  border: none; background: none; color: var(--text-secondary); font-family: inherit;
  font-size: 13px; font-weight: 600; cursor: pointer; padding: 4px 0;
}
.app-logout:hover { color: var(--danger); }

.app-main { max-width: 760px; margin: 0 auto; padding: 24px; }
.app-title { font-size: 24px; font-weight: 600; margin: 4px 0 6px; }
.app-sub { color: var(--text-secondary); font-size: 14px; margin: 0 0 18px; }

.app-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 28px;
}
.app-login { max-width: 420px; margin: 40px auto 0; }
.app-login h1 { font-size: 22px; margin: 0 0 6px; }
.app-login form { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.app-login label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; font-weight: 600; }
.app-login input {
  font-family: inherit; font-size: 14px; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface-2);
}
.app-login input:focus { outline: 2px solid var(--primary-tint); border-color: var(--primary); }
.app-hint { color: var(--text-muted); font-size: 12.5px; margin: 16px 0 0; }

.app-btn {
  border: none; border-radius: 8px; background: var(--primary); color: #fff;
  font-family: inherit; font-size: 14px; font-weight: 600; padding: 11px 18px; cursor: pointer;
}
.app-btn:hover { background: var(--primary-dark); }
.app-btn:disabled { opacity: 0.6; cursor: default; }

.app-error { color: var(--danger); background: var(--danger-tint); border-radius: 8px; padding: 9px 12px; font-size: 13px; margin: 8px 0 0; }
.app-empty { color: var(--text-muted); font-size: 14px; text-align: center; padding: 40px 0; }

.app-list { display: flex; flex-direction: column; gap: 10px; }
.app-conv {
  display: block; width: 100%; text-align: left; font-family: inherit; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px;
}
.app-conv:hover { border-color: var(--primary); }
.app-conv-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.app-conv-with { font-weight: 600; font-size: 14.5px; }
.app-conv-date { color: var(--text-muted); font-size: 12px; flex: none; }
.app-conv-inst {
  display: inline-block; margin-top: 3px; font-size: 12px; font-weight: 600; color: var(--primary);
  background: var(--primary-tint); border-radius: 20px; padding: 2px 10px;
}
.app-conv-preview {
  color: var(--text-secondary); font-size: 13px; margin: 6px 0 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.app-back {
  border: none; background: none; color: var(--primary); font-family: inherit;
  font-size: 13px; font-weight: 600; padding: 0 0 12px; cursor: pointer;
}
.app-back:hover { text-decoration: underline; }
.app-chat-head { padding-bottom: 10px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.app-chat-head strong { font-size: 16px; }
.app-chat-inst { display: block; color: var(--text-secondary); font-size: 12.5px; margin-top: 2px; }

.app-chat { display: flex; flex-direction: column; gap: 8px; min-height: 200px; padding: 4px 0 16px; }
.app-msg {
  max-width: 78%; padding: 9px 13px; border-radius: 14px; font-size: 14px; line-height: 1.45;
  white-space: pre-wrap; word-break: break-word;
}
.app-msg.visitor { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 4px; }
.app-msg.other { align-self: flex-start; background: var(--surface); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.app-msg-time { display: block; font-size: 10.5px; opacity: 0.7; margin-top: 3px; }

.app-composer { display: flex; gap: 8px; align-items: flex-end; }
.app-composer textarea {
  flex: 1; font-family: inherit; font-size: 14px; padding: 10px 12px; resize: none;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface);
}
.app-composer textarea:focus { outline: 2px solid var(--primary-tint); border-color: var(--primary); }

@media (max-width: 640px) {
  .app-main { padding: 16px; }
  .app-card { padding: 20px; }
}