@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600&family=Space+Grotesk:wght@400;500;700&display=swap");

:root {
  --ink: #111111;
  --ink-soft: #2a2a2a;
  --paper: #f4f4f4;
  --paper-strong: #ffffff;
  --smoke: #d3d3d3;
  --fog: #b7b7b7;
  --grid: rgba(0, 0, 0, 0.08);
  --sidebar-width: 328px;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top right, #ffffff 0%, #e8e8e8 40%, #c8c8c8 100%);
}

.texture {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  height: 100vh;
}

.sidebar {
  overflow-y: auto;
  border-right: 4px solid var(--ink);
  background: linear-gradient(180deg, var(--paper-strong) 0%, var(--paper) 85%, #dfdfdf 100%);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.brand-block {
  border: 3px solid var(--ink);
  padding: 14px;
  background: #efefef;
}

.brand-eyebrow {
  margin: 0;
  font: 600 11px/1.2 "IBM Plex Mono", monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-block h1 {
  margin: 8px 0 6px;
  font-size: 36px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.brand-copy {
  margin: 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.actions-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.label-full {
  display: inline;
}

.label-compact {
  display: none;
}

button,
input,
textarea {
  font: inherit;
  color: var(--ink);
}

.action-btn,
.submit-btn {
  border: 3px solid var(--ink);
  background: var(--paper-strong);
  padding: 10px 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font: 600 12px/1 "IBM Plex Mono", monospace;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease;
}

.cancel-btn {
  border: 3px solid var(--ink);
  background: #dcdcdc;
  padding: 10px 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font: 600 12px/1 "IBM Plex Mono", monospace;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease;
}

.danger-btn {
  background: #dddddd;
}

.action-btn:disabled,
.cancel-btn:disabled,
.submit-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.action-btn:hover,
.cancel-btn:hover,
.submit-btn:hover {
  transform: translate(-2px, -2px);
  background: #e5e5e5;
}

.action-btn:disabled:hover,
.cancel-btn:disabled:hover,
.submit-btn:disabled:hover {
  transform: none;
  background: initial;
}

.card-form {
  border: 3px solid var(--ink);
  background: #ebebeb;
  padding: 12px;
  display: grid;
  gap: 8px;
  animation: form-in 170ms ease;
}

.form-title {
  margin: 0 0 2px;
  font: 700 16px/1.15 "IBM Plex Mono", monospace;
  text-transform: uppercase;
}

.card-form label {
  font: 600 11px/1.2 "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-form input,
.card-form textarea {
  width: 100%;
  border: 2px solid var(--ink);
  background: #fbfbfb;
  padding: 8px;
}

.card-form textarea {
  resize: vertical;
}

.form-hint {
  margin: -2px 0 4px;
  font-size: 12px;
  color: var(--ink-soft);
}

.form-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.card-form.is-hidden {
  display: none;
}

.card-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.card-empty {
  border: 3px dashed var(--ink);
  background: #ededed;
  padding: 14px;
  font-size: 13px;
}

.card-tile {
  border: 3px solid var(--ink);
  background: #ffffff;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 10px;
  align-items: center;
  padding: 8px;
  text-align: left;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease;
}

.card-tile:hover {
  transform: translate(-2px, -2px);
  background: #ededed;
}

.card-tile.is-active {
  box-shadow: 7px 7px 0 0 var(--ink);
}

.tile-media {
  width: 70px;
  height: 70px;
  border: 2px solid var(--ink);
  background: var(--smoke);
  overflow: hidden;
}

.tile-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
}

.tile-copy {
  min-width: 0;
}

.tile-host {
  margin: 0;
  text-transform: uppercase;
  font: 600 11px/1.25 "IBM Plex Mono", monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tile-description {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.3;
  color: var(--ink-soft);
  max-height: 34px;
  overflow: hidden;
}

.workspace {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, #fdfdfd 0%, #ececec 50%, #d6d6d6 100%);
}

#toolFrame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #ffffff;
}

.overlay {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 20px;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  background: repeating-linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.9),
    rgba(255, 255, 255, 0.9) 16px,
    rgba(240, 240, 240, 0.9) 16px,
    rgba(240, 240, 240, 0.9) 32px
  );
}

.overlay.is-hidden {
  display: none;
}

body.sidebar-collapsed .app-shell {
  grid-template-columns: 112px 1fr;
}

body.sidebar-collapsed .brand-copy,
body.sidebar-collapsed .brand-eyebrow,
body.sidebar-collapsed .card-form,
body.sidebar-collapsed .tile-copy {
  display: none;
}

body.sidebar-collapsed .brand-block {
  padding: 10px;
}

body.sidebar-collapsed .brand-block h1 {
  margin: 0;
  font-size: 18px;
  text-align: center;
}

body.sidebar-collapsed .actions-row {
  grid-template-columns: 1fr;
}

body.sidebar-collapsed .label-full {
  display: none;
}

body.sidebar-collapsed .label-compact {
  display: inline;
}

body.sidebar-collapsed .action-btn {
  padding: 10px 6px;
}

body.sidebar-collapsed .card-tile {
  grid-template-columns: 1fr;
  padding: 6px;
  justify-items: center;
}

body.sidebar-collapsed .tile-media {
  width: 64px;
  height: 64px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: 100vh;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 4px solid var(--ink);
    max-height: 48vh;
  }

  .card-list {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  body.sidebar-collapsed .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  body.sidebar-collapsed .sidebar {
    max-height: 208px;
  }

  body.sidebar-collapsed .brand-block {
    padding: 8px 10px;
  }

  body.sidebar-collapsed .brand-block h1 {
    text-align: left;
    font-size: 16px;
  }

  body.sidebar-collapsed .actions-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  body.sidebar-collapsed .action-btn {
    padding: 8px 4px;
  }

  body.sidebar-collapsed .card-list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 74px;
    overflow-x: auto;
    padding-bottom: 4px;
    gap: 8px;
  }

  body.sidebar-collapsed .card-tile {
    min-height: 74px;
    padding: 4px;
  }
}

@keyframes form-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}