/* frontend/style.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange:    rgb(239, 127, 26);
  --dark:      rgb(38, 38, 38);
  --anthrazit: rgb(67, 66, 66);
  --text:      rgb(91, 91, 91);
  --mid:       rgb(137, 137, 137);
  --light:     rgb(178, 179, 179);
  --border:    rgb(217, 218, 218);
  --bg:        rgb(245, 245, 245);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text);
}

/* Header */
#header {
  background: var(--dark);
  padding: 10px 20px;
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
#header .brand { color: var(--orange); font-weight: bold; }

/* Filter bar */
#filterbar {
  background: var(--anthrazit);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
}
.filter-group { display: flex; align-items: center; gap: 8px; }
.filter-label { font-size: 10px; color: var(--light); letter-spacing: 1px; text-transform: uppercase; }
.filter-group select {
  background: var(--dark);
  color: var(--border);
  border: none;
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 12px;
  min-width: 130px;
  cursor: pointer;
  outline: none;
  accent-color: var(--orange);
}
#filter-hint { margin-left: auto; font-size: 10px; color: var(--mid); }

/* Main */
#main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Chat panel */
#chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 14px;
  background: var(--bg);
  border-right: 1px solid var(--border);
}
.panel-label {
  font-size: 10px;
  font-weight: bold;
  color: var(--mid);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
#chat-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}
.msg-user {
  background: var(--orange);
  color: #fff;
  align-self: flex-end;
  padding: 7px 12px;
  border-radius: 8px;
  max-width: 75%;
  font-size: 13px;
}
.msg-bot {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
  align-self: flex-start;
  padding: 7px 12px;
  border-radius: 8px;
  max-width: 85%;
  font-size: 13px;
  white-space: pre-wrap;
}
#chat-input-row { display: flex; gap: 8px; }
#chat-input {
  flex: 1;
  border: 1px solid var(--light);
  border-radius: 4px;
  padding: 7px 10px;
  font-size: 13px;
  outline: none;
}
#chat-input:focus { border-color: var(--orange); }

/* Email panel */
#email-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 14px;
  background: #fafafa;
}
#email-input {
  border: 1px solid var(--light);
  border-radius: 4px;
  padding: 8px;
  font-size: 13px;
  resize: none;
  height: 110px;
  font-family: inherit;
  color: var(--text);
  outline: none;
  margin-bottom: 8px;
}
#email-input:focus { border-color: var(--orange); }
#email-result {
  flex: 1;
  overflow-y: auto;
  margin-top: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-left: 3px solid var(--orange);
  border-radius: 4px;
  padding: 10px;
  font-size: 13px;
  white-space: pre-wrap;
  color: var(--text);
  display: none;
}
.result-label { font-size: 11px; color: var(--mid); margin-bottom: 4px; }

/* Buttons */
.btn {
  background: var(--orange);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: bold;
  cursor: pointer;
}
.btn:hover { background: rgb(243, 148, 48); }
.btn:disabled { opacity: 0.6; cursor: default; }

.btn-copy {
  background: transparent;
  color: var(--light);
  border: none;
  padding: 2px 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  border-radius: 4px;
  transition: color 0.15s;
}
.btn-copy:hover { color: var(--orange); }
.btn-copy.copied { color: rgb(239, 127, 26); }

/* Rendered markdown in chat */
.msg-bot p { margin: 0 0 6px; }
.msg-bot p:last-child { margin-bottom: 0; }
.msg-bot ul, .msg-bot ol { padding-left: 18px; margin: 4px 0; }
.msg-bot strong { font-weight: 600; }
.msg-bot h1, .msg-bot h2, .msg-bot h3 { font-size: 13px; font-weight: 600; margin: 4px 0; }