:root {
  --bg: #0c1110;
  --panel: rgba(15, 24, 22, 0.92);
  --panel-strong: rgba(10, 16, 15, 0.97);
  --border: rgba(197, 176, 129, 0.22);
  --accent: #d7bc82;
  --accent-strong: #f0d8a4;
  --text: #f3ead6;
  --muted: #b5ac98;
  --danger: #ef8f7a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --font-sans: "Avenir Next", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Fira Code", "SFMono-Regular", ui-monospace, monospace;
  --terminal-height: 62vh;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(circle at top left, rgba(215, 188, 130, 0.18), transparent 35%),
    linear-gradient(160deg, #050808 0%, #0b1211 55%, #131513 100%);
  color: var(--text);
  font-family: var(--font-sans);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, transparent, black 10%, black 90%, transparent);
  pointer-events: none;
}

.background-grid {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 80% 15%, rgba(215, 188, 130, 0.12), transparent 22%);
  pointer-events: none;
}

.app-shell {
  width: 100%;
  margin: 0 auto;
  padding: 36px 24px 48px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.panel-copy h2 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.terminal-header h2,
.connect-card-copy h2,
.saved-card-copy h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.lede,
.panel-copy p,
.connect-card-copy p,
.saved-card-copy p,
.hint {
  color: var(--muted);
  max-width: 62ch;
}

.banner,
.panel,
.connect-card,
.saved-card,
.terminal-card {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.banner {
  margin-bottom: 20px;
  padding: 14px 18px;
}

.banner.error {
  border-color: rgba(239, 143, 122, 0.45);
  color: #ffd3ca;
}

.banner.info {
  border-color: rgba(215, 188, 130, 0.38);
}

.panel {
  display: grid;
  gap: 28px;
  padding: 28px;
  margin-bottom: 24px;
}

.auth-form,
.connect-stack,
.saved-entry,
.saved-list {
  display: grid;
  gap: 14px;
}

.auth-form label,
.connect-stack label,
.host-port-row label,
.saved-entry label,
.check-row {
  display: grid;
  gap: 8px;
}

.auth-form span,
.connect-stack span,
.host-port-row span,
.saved-entry span,
.check-row span {
  color: var(--muted);
  font-size: 0.92rem;
}

.check-row {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.check-row input {
  width: auto;
}

input {
  width: 100%;
  border: 1px solid rgba(215, 188, 130, 0.18);
  border-radius: 14px;
  background: rgba(6, 10, 10, 0.82);
  color: var(--text);
  padding: 14px 16px;
  font: inherit;
}

input:focus,
.terminal-viewport:focus {
  outline: none;
  border-color: rgba(240, 216, 164, 0.76);
  box-shadow: 0 0 0 3px rgba(215, 188, 130, 0.18);
}

.primary-button,
.ghost-button {
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.primary-button {
  border: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #101514;
  font-weight: 700;
}

.ghost-button {
  border: 1px solid rgba(215, 188, 130, 0.28);
  background: rgba(15, 24, 22, 0.75);
  color: var(--text);
}

.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.ghost-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.client-layout {
  display: grid;
  grid-template-columns: minmax(290px, 340px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.client-sidebar {
  display: grid;
  gap: 18px;
  align-content: start;
}

.connect-card,
.saved-card,
.terminal-card {
  padding: 24px;
}

.connect-stack {
  margin-top: 20px;
}

.host-port-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 112px;
  gap: 12px;
}

.connect-card .primary-button,
.saved-entry .ghost-button {
  width: 100%;
}

.connect-card .primary-button {
  margin-top: 20px;
}

.saved-card {
  display: grid;
  gap: 18px;
}

.saved-card-copy p {
  margin: 0;
}

.saved-empty {
  padding: 14px 16px;
  border: 1px dashed rgba(215, 188, 130, 0.22);
  border-radius: 18px;
  background: rgba(10, 16, 15, 0.72);
  color: var(--muted);
}

.saved-list {
  gap: 12px;
}

.saved-item {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid rgba(215, 188, 130, 0.14);
  border-radius: 18px;
  background: rgba(10, 16, 15, 0.78);
}

.saved-item-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.saved-item-name,
.saved-item-target {
  margin: 0;
}

.saved-item-name {
  font-weight: 600;
}

.saved-item-target {
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  word-break: break-word;
}

.saved-item-actions {
  display: flex;
  gap: 10px;
}

.saved-item-actions .ghost-button {
  flex: 1 1 0;
}

.ghost-button.danger {
  border-color: rgba(239, 143, 122, 0.34);
  color: #ffd3ca;
}

.terminal-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}

.terminal-header h2 {
  font-size: clamp(1.4rem, 3vw, 2.1rem);
}

.terminal-frame {
  position: relative;
  margin-top: 20px;
  height: var(--terminal-height);
  border: 1px solid rgba(215, 188, 130, 0.18);
  border-radius: 20px;
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(215, 188, 130, 0.06), transparent 24%),
    rgba(6, 8, 8, 0.95);
}

.terminal-viewport {
  font-family: var(--font-mono);
  font-size: 14px;
}

.terminal-viewport {
  height: 100%;
  min-height: 0;
  padding: 14px;
  overflow: hidden;
  color: #e9dfc6;
}

.terminal-viewport .xterm {
  height: 100%;
}

.terminal-viewport .xterm-viewport {
  scrollbar-color: rgba(215, 188, 130, 0.42) rgba(6, 8, 8, 0.95);
}

.terminal-viewport .xterm-screen {
  width: 100% !important;
}

.hint {
  margin: 14px 2px 0;
}

.hidden {
  display: none !important;
}

@media (max-width: 760px) {
  .app-shell {
    padding: 24px 14px 36px;
  }

  .topbar,
  .terminal-header,
  .saved-item-header,
  .saved-item-actions {
    flex-direction: column;
  }

  .client-layout,
  .host-port-row {
    grid-template-columns: 1fr;
  }

  .panel,
  .connect-card,
  .saved-card,
  .terminal-card {
    padding: 18px;
  }

  .terminal-viewport {
    font-size: 13px;
  }
}

@media (max-width: 980px) {
  :root {
    --terminal-height: 52vh;
  }

  .client-layout {
    grid-template-columns: 1fr;
  }
}