:root {
  --bg: #1b1d21;
  --panel-bg: #232529;
  --border: #34373c;
  --text: #e7e8ea;
  --text-dim: #9a9ea5;
  --accent: #4f8cff;
  --danger: #e5534b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.login-card {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-card h1 { font-size: 18px; margin: 0 0 8px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }
.login-card input {
  background: #16171a; border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); padding: 8px 10px; font-size: 14px;
}
.login-card button, .topbar button, .actions-row button {
  background: var(--accent); color: #fff; border: none; border-radius: 6px;
  padding: 9px 14px; font-size: 14px; cursor: pointer;
}
.error { color: var(--danger); font-size: 13px; margin: 0; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--bg); z-index: 5;
}
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.topbar-actions { display: flex; gap: 10px; }
.upload-btn {
  background: var(--accent); color: #fff; border-radius: 6px; padding: 9px 14px;
  font-size: 14px; cursor: pointer;
}
.logout-btn { background: transparent; border: 1px solid var(--border); color: var(--text-dim); }
.settings-link {
  color: var(--text-dim); text-decoration: none; align-self: center;
  border: 1px solid var(--border); border-radius: 6px; padding: 9px 14px; font-size: 14px;
}
.settings-link:hover { color: var(--text); border-color: var(--accent); }

.settings-page { max-width: 560px; margin: 0 auto; padding: 32px 20px; }
.settings-page h1 { font-size: 20px; margin: 0 0 20px; }
.saved-banner {
  background: #1e3a2b; border: 1px solid #2f6b46; color: #8fe0ac;
  border-radius: 6px; padding: 8px 12px; font-size: 13px;
}
.settings-card {
  background: var(--panel-bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; display: flex; flex-direction: column; gap: 12px;
}
.settings-card h2 { font-size: 15px; margin: 0; }
.settings-help { font-size: 12px; color: var(--text-dim); line-height: 1.5; margin: 0; }
.current-value { font-size: 13px; margin: 0; }
.current-value code { background: #16171a; padding: 2px 6px; border-radius: 4px; }
.settings-card form { display: flex; gap: 8px; align-items: center; }
.settings-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); flex: 1; }
.settings-card input {
  background: #16171a; border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); padding: 8px 10px; font-size: 14px;
}
.settings-card button { align-self: flex-end; }
.settings-card button.danger { background: var(--danger); }

.layout { display: flex; align-items: flex-start; }
.grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  align-content: start;
  align-items: start;
  gap: 16px;
  padding: 20px;
}

.tile {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}
.tile:hover { border-color: var(--accent); }
.tile-icon { font-size: 40px; }
.tile-thumb {
  width: 100%; height: 90px; object-fit: cover; border-radius: 6px;
  background: #16171a;
}
.tile-name { font-size: 12px; word-break: break-word; }
.tile-sub { font-size: 11px; color: var(--text-dim); }

.panel {
  width: 360px;
  border-left: 1px solid var(--border);
  padding: 16px;
  position: sticky;
  top: 53px;
  height: calc(100vh - 53px);
  overflow-y: auto;
}
.panel-hidden { display: none; }
.panel-close {
  float: right; background: none; border: none; color: var(--text-dim);
  font-size: 20px; cursor: pointer;
}
.panel-preview {
  max-width: 100%; max-height: 200px; display: block; margin: 0 auto 12px;
  border-radius: 6px; background: #16171a;
}
.panel h2 { font-size: 15px; margin: 0 0 12px; word-break: break-word; }
.panel h3 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-dim); margin: 16px 0 6px; }
.props { width: 100%; font-size: 13px; border-collapse: collapse; }
.props td { padding: 4px 0; border-bottom: 1px solid var(--border); }
.props td:first-child { color: var(--text-dim); width: 40%; }

.url-row { display: flex; gap: 6px; }
.url-row input {
  flex: 1; background: #16171a; border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); padding: 6px 8px; font-size: 12px;
}
.url-row button { background: var(--accent); border: none; border-radius: 6px; color: #fff; padding: 6px 10px; cursor: pointer; }

.usage-sublabel { font-size: 12px; color: var(--text-dim); margin: 8px 0 2px; }
.usage-empty { font-size: 12px; color: var(--text-dim); margin: 0 0 8px; }
.usage-list { margin: 0 0 8px; padding-left: 18px; font-size: 12px; }

.actions-row { display: flex; gap: 8px; flex-wrap: wrap; }
.actions-row button { background: #33363c; }
.actions-row button.danger { background: var(--danger); }