* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1a14;
  --panel: #16241c;
  --panel-2: #1d2f25;
  --text: #e8efe9;
  --muted: #93a89a;
  --accent: #d8b465;
  --accent-dark: #b3934e;
  --user: #2a4234;
  --error: #e07a6a;
}

html, body { height: 100%; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }

/* ---------- Login ---------- */
#login-view {
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--panel);
  border: 1px solid #24382c;
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
}

.login-card h1 { font-size: 22px; letter-spacing: .5px; }
.login-card .subtitle { color: var(--muted); margin: 6px 0 24px; font-size: 14px; }

.login-card input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #2c4436;
  background: var(--panel-2);
  color: var(--text);
  font-size: 16px;
  text-align: center;
  letter-spacing: 2px;
}

.login-card button {
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #1c1608;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
}
.login-card button:active { background: var(--accent-dark); }

.error { color: var(--error); font-size: 13px; margin-top: 12px; }

/* ---------- Chat ---------- */
#chat-view {
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--panel);
  border-bottom: 1px solid #24382c;
}

header .seller { color: var(--muted); font-size: 13px; margin-left: 8px; }

.header-actions button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid #2c4436;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
  margin-left: 6px;
}

main#messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bubble {
  max-width: 85%;
  padding: 12px 14px;
  border-radius: 14px;
  line-height: 1.5;
  font-size: 15px;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.bubble.user {
  align-self: flex-end;
  background: var(--user);
  border-bottom-right-radius: 4px;
}

.bubble.assistant {
  align-self: flex-start;
  background: var(--panel);
  border: 1px solid #24382c;
  border-bottom-left-radius: 4px;
}

.bubble.assistant.thinking { color: var(--muted); font-style: italic; }
.bubble.assistant.error { border-color: var(--error); color: var(--error); }

.bubble .cite-ref {
  color: var(--accent);
  font-size: 11px;
  vertical-align: super;
  cursor: default;
}

.sources {
  align-self: flex-start;
  max-width: 85%;
  font-size: 12px;
  color: var(--muted);
  background: var(--panel-2);
  border-radius: 10px;
  padding: 8px 12px;
}

.sources summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.sources li { margin: 6px 0 0 16px; }
.sources .doc { color: var(--text); font-weight: 600; }

#suggestions { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  background: var(--panel-2);
  color: var(--accent);
  border: 1px solid #2c4436;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  text-align: left;
}

footer {
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: var(--panel);
  border-top: 1px solid #24382c;
}

#chat-form { display: flex; gap: 8px; align-items: flex-end; }

#question {
  flex: 1;
  resize: none;
  border: 1px solid #2c4436;
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 16px;
  padding: 11px 14px;
  max-height: 120px;
  font-family: inherit;
}

#send-btn {
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: #1c1608;
  font-size: 17px;
  padding: 11px 16px;
  cursor: pointer;
}
#send-btn:disabled { opacity: .4; }

/* ---------- Documentos (admin) ---------- */
#docs-view { height: 100dvh; display: flex; flex-direction: column; }

.docs-main {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px 40px;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}

.docs-intro { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.docs-help { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.docs-main h3 { margin: 22px 0 8px; font-size: 15px; color: var(--accent); }

#docs-list { list-style: none; }

#docs-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border: 1px solid #24382c;
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 8px;
  font-size: 14px;
}

#docs-list .doc-meta { color: var(--muted); font-size: 12px; margin-left: 8px; }

#docs-list .doc-delete {
  background: none;
  border: 1px solid #4a2c26;
  color: var(--error);
  border-radius: 8px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 13px;
}

.docs-empty { color: var(--muted); font-style: italic; border: none !important; background: none !important; }

.docs-upload { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.docs-main input[type="file"] { color: var(--muted); font-size: 13px; }

.docs-main input[type="text"], .docs-main textarea {
  width: 100%;
  border: 1px solid #2c4436;
  border-radius: 10px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
  padding: 10px 12px;
  margin-bottom: 8px;
  font-family: inherit;
  resize: vertical;
}

.docs-main button {
  background: var(--accent);
  color: #1c1608;
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
.docs-main button:disabled { opacity: .4; }

.docs-status { margin-top: 14px; font-size: 13px; color: var(--accent); min-height: 18px; }
.docs-status.err { color: var(--error); }