:root {
  --color-text: #294532;
  --color-text-muted: #5f7464;
  --color-text-strong: #31583a;
  --color-bg: #f1f8f2;
  --color-surface: #ffffff;
  --color-surface-soft: #fbfefb;
  --color-panel-header: #e7f3e9;
  --color-border: #cddfce;
  --color-border-soft: #d7e6d8;
  --color-border-strong: #b8d2bc;
  --color-primary: #4f7f5c;
  --color-primary-hover: #6f9f79;
  --color-primary-active: #416b4c;
  --color-accent: #77a884;
  --color-danger: #b91c1c;
  --color-status-online: #4f9b62;
  --color-status-connecting: #d2a33c;
  --color-status-offline: #c55353;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.08);
  --line: 1.45em;
  --radius: 8px;
  --mono: "Cascadia Code", "Consolas", "D2Coding", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: Arial, "Noto Sans KR", "Malgun Gothic", sans-serif;
}

.app {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  height: 100%;
  min-height: 0;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  padding: 10px 16px;
  color: #ffffff;
  background: var(--color-primary);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.topbar h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.topbar-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.topbar-controls #serverUrl {
  flex: 1 1 220px;
  min-width: 180px;
}

.topbar-controls #cmd {
  flex: 0 0 160px;
}

.topbar-controls #trcode {
  flex: 0 0 120px;
}

.topbar input,
.topbar select {
  border-color: rgb(255 255 255 / 40%);
}

.topbar .btn-primary {
  background: var(--color-primary-active);
  border-color: var(--color-primary-active);
}

.topbar .btn-ghost {
  background: rgb(255 255 255 / 12%);
  border-color: rgb(255 255 255 / 35%);
  color: #fff;
}

.topbar .btn-ghost:hover {
  background: rgb(255 255 255 / 22%);
}

input,
select {
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 14px;
}

input:focus,
select:focus {
  outline: 2px solid rgb(79 127 92 / 28%);
  border-color: var(--color-primary);
}

.btn {
  height: 36px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-active);
}

.btn-ghost {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  color: var(--color-text-strong);
}

.btn-ghost:hover {
  background: #eaf5ec;
}

.btn-text {
  background: transparent;
  border: 0;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 12px;
}

.btn-text:hover {
  color: var(--color-text-strong);
}

.status {
  margin-left: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.status-off {
  background: var(--color-status-offline);
}

.status-wait {
  background: var(--color-status-connecting);
}

.status-on {
  background: var(--color-status-online);
}

.topbar,
.panel-inline {
  flex-shrink: 0;
}

.log-area {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  min-height: 0;
}

.panel-output {
  flex: 7 1 0;
  min-height: 0;
}

.panel-message {
  flex: 3 1 0;
  min-height: 0;
}

.panel {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border-soft);
  background: var(--color-panel-header);
  flex-shrink: 0;
}

.panel-head h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-strong);
}

.panel-inline {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
}

.inline-input {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.inline-input span {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-strong);
}

.inline-input input {
  flex: 1;
  min-width: 0;
  font-family: var(--mono);
}

.panel-body {
  margin: 0;
  padding: 10px 12px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: var(--line);
  white-space: pre-wrap;
  word-break: break-all;
  background: var(--color-surface-soft);
}

.output-body,
.message-body {
  flex: 1;
  min-height: 0;
  height: auto;
}

.output-body {
  color: var(--color-text);
}

.message-body {
  color: var(--color-text-strong);
}

.panel-body:empty::before {
  color: var(--color-text-muted);
}

.output-body:empty::before {
  content: "서버에서 수신된 데이터가 여기에 표시됩니다.";
}

.message-body:empty::before {
  content: "조회 요청 상태와 서버 메시지가 여기에 표시됩니다.";
}