:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --surface: #ffffff;
  --surface-strong: #f0f4ee;
  --text: #1f2823;
  --muted: #66736b;
  --line: #dbe2dc;
  --accent: #176b5b;
  --accent-strong: #0f4f43;
  --danger: #b83b42;
  --amber: #b87b16;
  --shadow: 0 20px 60px rgba(25, 38, 31, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.topbar,
.toolbar,
.auth-panel,
.upload-zone,
.tokens {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
}

h2 {
  font-size: 22px;
  line-height: 1.2;
}

.account {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  min-width: 220px;
  color: var(--muted);
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--surface-strong);
}

.auth-panel {
  margin-top: 18px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.workspace {
  margin-top: 18px;
}

.upload-zone {
  position: relative;
  min-height: 176px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 28px;
  border-style: dashed;
  background: linear-gradient(135deg, #ffffff 0%, #eef5f1 100%);
}

.upload-zone.is-dragging {
  border-color: var(--accent);
  background: #e7f3ee;
}

.upload-zone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.upload-copy {
  display: grid;
  gap: 8px;
}

.upload-copy strong {
  font-size: 30px;
  line-height: 1.1;
}

.upload-copy span,
.image-detail,
.token-detail {
  color: var(--muted);
  font-size: 13px;
}

.button,
.icon-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  min-height: 40px;
  padding: 0 14px;
  font-weight: 750;
}

.button:hover,
.icon-button:hover {
  border-color: var(--accent);
}

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

.button.primary:hover {
  background: var(--accent-strong);
}

.toolbar {
  margin-top: 18px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.toolbar.compact {
  margin: 0;
  padding: 0;
  border: 0;
}

.status {
  min-height: 24px;
  margin: 14px 2px;
  color: var(--amber);
  font-size: 14px;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.image-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.thumb-link {
  display: block;
  aspect-ratio: 4 / 3;
  background: var(--surface-strong);
}

.thumb {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.image-meta {
  min-height: 74px;
  padding: 12px;
  display: grid;
  gap: 6px;
}

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

.image-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.icon-button {
  border: 0;
  border-radius: 0;
  border-right: 1px solid var(--line);
}

.icon-button:last-child {
  border-right: 0;
}

.delete-image,
.revoke-token {
  color: var(--danger);
}

.empty {
  padding: 36px;
  text-align: center;
  color: var(--muted);
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: 8px;
}

.tokens {
  margin-top: 26px;
  padding: 20px;
}

.token-form {
  display: flex;
  gap: 8px;
}

.token-form input {
  width: min(260px, 42vw);
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
}

.token-secret {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid #e0cb8b;
  border-radius: 8px;
  background: #fff7d8;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.token-list {
  margin-top: 14px;
  display: grid;
  gap: 8px;
}

.token-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

[hidden] {
  display: none !important;
}

@media (max-width: 720px) {
  .shell {
    width: min(100vw - 20px, 1180px);
    padding-top: 10px;
  }

  .topbar,
  .toolbar,
  .auth-panel,
  .upload-zone {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar,
  .toolbar,
  .auth-panel {
    display: flex;
  }

  .upload-zone {
    grid-template-columns: 1fr;
  }

  .upload-copy strong {
    font-size: 24px;
  }

  .account,
  .token-form {
    width: 100%;
  }

  .token-form {
    display: grid;
  }

  .token-form input {
    width: 100%;
  }
}