agent-tui-app 1.1.0

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Space+Grotesk:wght@400;500;600&display=swap");

:root {
  color-scheme: light;
  --bg: #f8f4ed;
  --bg-accent: #efe6da;
  --panel: #fffdf9;
  --panel-border: #dfd4c5;
  --sidebar: #f1e8dc;
  --sidebar-border: #decfbe;
  --surface-muted: #f8f1e7;
  --terminal-bg: #11100e;
  --terminal-border: rgba(255, 255, 255, 0.08);
  --ink: #1f1a16;
  --ink-soft: #3a3128;
  --muted: #6d6153;
  --accent: #0e7a73;
  --accent-soft: rgba(14, 122, 115, 0.16);
  --warning: #d97706;
  --shadow-soft: 0 16px 30px rgba(31, 26, 22, 0.08);
  --shadow-strong: 0 28px 60px rgba(31, 26, 22, 0.12);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 48px;
  --control-height: 44px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "IBM Plex Mono", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top, #fff, var(--bg)) fixed,
    linear-gradient(120deg, var(--bg-accent), var(--bg));
  min-height: 100vh;
  line-height: 1.5;
}

.app {
  max-width: 1520px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-7) var(--space-9);
  display: grid;
  grid-template-columns: clamp(260px, 24vw, 340px) minmax(0, 1fr);
  grid-template-areas: "sidebar main";
  gap: var(--space-7);
  align-items: start;
}

.sidebar {
  grid-area: sidebar;
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.5)),
    var(--sidebar);
  border: 1px solid var(--sidebar-border);
  border-radius: 28px;
  padding: var(--space-6);
  box-shadow: var(--shadow-strong);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: sticky;
  top: var(--space-7);
  max-height: calc(100vh - var(--space-8));
  min-height: 0;
  overflow: hidden;
}

.sidebar__header {
  display: grid;
  gap: var(--space-1);
}

.sidebar__eyebrow {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 10px;
  font-weight: 600;
}

.sidebar__title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(22px, 2.1vw, 30px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.sidebar__subtitle {
  margin: 0;
  max-width: 34ch;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.sidebar__status {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  gap: var(--space-2);
}

.status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 38px;
  padding: 0 var(--space-3);
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-soft);
  flex: 1;
  min-width: 0;
}

.status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

.status--connected .status__dot {
  background: var(--accent);
}

.status__text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar__section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
  min-height: 0;
}

.sidebar__section-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.sidebar__section-heading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.sidebar__section-title {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.sessions-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  min-height: 20px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--ink-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  padding: 0 8px;
}

.sidebar__section-header > .button--icon {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
}

.sessions-mode-badge {
  grid-column: 1;
  justify-self: start;
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--warning);
  background: rgba(217, 119, 6, 0.1);
  color: var(--warning);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.session-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: var(--space-1);
  flex: 1;
  min-height: 0;
}

.session-item {
  border: 1px solid var(--panel-border);
  background: linear-gradient(165deg, #fffefb, var(--panel));
  border-radius: 14px;
  padding: var(--space-3);
  display: grid;
  gap: 7px;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease,
    background-color 0.16s ease;
  text-align: left;
  box-shadow: var(--shadow-soft);
  min-width: 0;
}

.session-item:hover {
  border-color: rgba(14, 122, 115, 0.4);
  transform: translateY(-1px);
}

.session-item--selected {
  background: var(--accent-soft);
  border-color: var(--accent);
  box-shadow: 0 14px 28px rgba(14, 122, 115, 0.18);
}

.session-item__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-width: 0;
}

.session-item__badges {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.session-item__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.session-item__status-label {
  line-height: 1;
}

.session-item__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
}

.session-item__dot--running {
  background: var(--accent);
}

.session-item__shortcut {
  font-size: 10px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--surface-muted);
  padding: 1px 7px;
}

.session-item__selected {
  font-size: 10px;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  border-radius: 999px;
  border: 1px solid rgba(14, 122, 115, 0.4);
  background: rgba(14, 122, 115, 0.12);
  padding: 1px 7px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.session-item__id {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-item__command {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  line-height: 1.35;
  color: var(--ink-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
}

.session-item__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.session-item__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}

.session-item__fact {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--surface-muted);
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  line-height: 1;
  padding: 3px 7px;
}

.session-item__detail {
  display: none;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  line-height: 1.1;
  white-space: nowrap;
  max-width: 100%;
  margin-left: auto;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-item--selected .session-item__detail,
.session-item:hover .session-item__detail,
.session-item:focus-visible .session-item__detail {
  display: inline-block;
}

.session-empty {
  font-size: 12px;
  color: var(--muted);
  padding: var(--space-3);
  border-radius: 12px;
  border: 1px dashed var(--panel-border);
  background: rgba(255, 255, 255, 0.5);
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.25);
  }
  100% {
    transform: scale(1);
  }
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height);
  padding: 0 var(--space-4);
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 25px rgba(14, 122, 115, 0.25);
}

.button--icon {
  min-height: var(--control-height);
  min-width: var(--control-height);
  padding: 0 var(--space-3);
  gap: var(--space-2);
  font-size: 12px;
  background: var(--panel);
  color: var(--ink-soft);
  border: 1px solid var(--panel-border);
}

.button--icon:hover {
  box-shadow: 0 4px 12px rgba(31, 26, 22, 0.15);
}

.button__icon {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.button__label {
  font-size: 12px;
  line-height: 1;
}

.button--icon svg {
  display: block;
  stroke: currentColor;
}

.main {
  grid-area: main;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: var(--space-4);
  min-width: 0;
  height: calc(100vh - var(--space-8) * 2);
  min-height: 520px;
  overflow: hidden;
}

.terminal {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--terminal-bg);
  border-radius: 22px;
  padding: var(--space-6);
  box-shadow: var(--shadow-strong);
  border: 1px solid var(--terminal-border);
  min-width: 0;
  min-height: 0;
}

.button:focus-visible,
.session-item:focus-visible {
  outline: 2px solid rgba(14, 122, 115, 0.4);
  outline-offset: 2px;
}

.terminal__viewport {
  flex: 1;
  min-height: 0;
  min-width: 0;
  overflow-x: auto;
}

.timeline {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.6)),
    var(--panel);
  border-radius: 18px;
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
  min-height: 136px;
  max-height: 220px;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.timeline__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.timeline__title {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.timeline__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  min-height: 20px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--surface-muted);
  color: var(--ink-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  padding: 0 8px;
}

.timeline__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding-right: var(--space-1);
}

.timeline__item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: var(--space-2);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 8px var(--space-3);
  font-size: 12px;
  background: rgba(255, 255, 255, 0.86);
  font-family: "IBM Plex Mono", monospace;
}

.timeline__item-kind {
  color: var(--accent);
  font-weight: 600;
  text-transform: lowercase;
}

.timeline__item-value {
  color: var(--ink-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timeline__item-time {
  color: var(--muted);
  font-size: 10px;
  white-space: nowrap;
}

.timeline__empty {
  font-size: 12px;
  color: var(--muted);
  border: 1px dashed var(--panel-border);
  border-radius: 12px;
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.58);
}

.xterm {
  font-family: "IBM Plex Mono", monospace !important;
}

@media (max-width: 980px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-areas:
      "main"
      "sidebar";
    gap: var(--space-5);
    padding: var(--space-6) var(--space-5) var(--space-8);
  }

  .sidebar {
    position: static;
    max-height: none;
    top: auto;
  }

  .sidebar__section-header > .button--icon {
    grid-row: 1;
  }

  .main {
    height: min(70vh, 640px);
    min-height: 420px;
  }

  .timeline {
    min-height: 128px;
    max-height: 180px;
  }
}

@media (max-width: 720px) {
  .app {
    padding: var(--space-5) var(--space-4) var(--space-7);
    gap: var(--space-4);
  }

  .sidebar {
    border-radius: 22px;
    padding: var(--space-5);
  }

  .sidebar__title {
    font-size: 24px;
  }

  .session-item {
    padding: var(--space-3) var(--space-3);
  }

  .main {
    min-height: 360px;
    height: min(64vh, 560px);
    gap: var(--space-3);
  }

  .terminal {
    padding: var(--space-4);
    border-radius: 16px;
  }

  .timeline {
    min-height: 120px;
    max-height: 170px;
    border-radius: 16px;
    padding: var(--space-3);
  }

  .timeline__item {
    grid-template-columns: auto 1fr;
  }

  .timeline__item-time {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .sidebar__status {
    grid-template-columns: 1fr;
  }

  .sidebar__section-header {
    grid-template-columns: 1fr;
  }

  .sidebar__section-header > .button--icon {
    grid-column: 1;
    grid-row: auto;
    justify-self: stretch;
    width: 100%;
  }

  .session-item__top {
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: flex-start;
  }

  .session-item__meta {
    align-items: flex-start;
  }

  .session-item__detail {
    margin-left: 0;
    white-space: normal;
    overflow-wrap: anywhere;
    width: 100%;
    text-overflow: clip;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}