:root {
  --primary: #e60000;
  --primary-dark: #b80000;
  --dark: #0d0d0d;
  --gray-50: #f7f7f8;
  --gray-100: #eeeef0;
  --gray-200: #e0e0e3;
  --gray-400: #9a9aa0;
  --gray-600: #5c5c63;
  --ok: #0a8a3e;
  --fail: #c40000;
  --warn: #b8860b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--gray-50);
  color: var(--dark);
  font-size: 15px;
}

a { color: var(--primary); }

/* ---- App shell ---- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 230px;
  flex-shrink: 0;
  background: var(--dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}
.sidebar-brand { font-weight: 700; font-size: 1.05rem; padding: 0 20px 20px; border-bottom: 1px solid #2a2a2a; margin-bottom: 12px; }
.sidebar nav { display: flex; flex-direction: column; flex: 1; }
.sidebar nav a {
  color: #d8d8d8;
  text-decoration: none;
  padding: 10px 20px;
  font-size: .9rem;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: #1c1c1c; color: #fff; }
.sidebar nav a.active { background: #1c1c1c; color: #fff; border-left-color: var(--primary); font-weight: 600; }
.logout-link { color: #d8d8d8; text-decoration: none; padding: 10px 20px; font-size: .85rem; border-top: 1px solid #2a2a2a; margin-top: 12px; }
.logout-link:hover { color: #fff; }

.content { flex: 1; padding: 28px 36px; max-width: 1200px; }
.content-header h1 { margin: 0 0 20px; font-size: 1.4rem; }

/* ---- Alerts ---- */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: .9rem; }
.alert-success { background: #e6f6ec; color: var(--ok); border: 1px solid #b8e6c9; }
.alert-error { background: #fdeaea; color: var(--fail); border: 1px solid #f3b8b8; }
.alert-info { background: #eaf1fd; color: #1a4b8c; border: 1px solid #b8d0f3; }
.alert-warning { background: #fdf3e0; color: var(--warn); border: 1px solid #f0dba8; }

/* ---- Cards & panels ---- */
.panel { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: 0 1px 4px rgba(0,0,0,.06); margin-bottom: 24px; }
.panel h2 { margin-top: 0; font-size: 1.1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: var(--radius); padding: 18px; box-shadow: 0 1px 4px rgba(0,0,0,.06); }
.stat-card .num { font-size: 1.8rem; font-weight: 700; color: var(--primary); }
.stat-card .label { font-size: .8rem; color: var(--gray-600); margin-top: 4px; }

/* ---- Forms ---- */
label { display: block; font-weight: 600; font-size: .85rem; margin: 14px 0 5px; }
input[type=text], input[type=password], input[type=email], input[type=number],
input[type=url], input[type=file], input[type=color], select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  font-size: .92rem;
  font-family: inherit;
  background: #fff;
}
textarea { resize: vertical; min-height: 120px; }
.hint { font-size: .78rem; color: var(--gray-600); margin-top: 4px; }
.inline-fields { display: flex; gap: 12px; }
.inline-fields > div { flex: 1; }

button, .btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: .9rem;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
}
button:hover, .btn:hover { background: var(--primary-dark); }
button:disabled { background: var(--gray-400); cursor: not-allowed; }
.btn-secondary { background: var(--gray-200); color: var(--dark); }
.btn-secondary:hover { background: var(--gray-400); }
.btn-small { padding: 6px 12px; font-size: .8rem; }

/* ---- Tables ---- */
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--gray-100); }
th { color: var(--gray-600); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: var(--gray-50); }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: .74rem; font-weight: 700; }
.badge-ok { background: #e6f6ec; color: var(--ok); }
.badge-fail { background: #fdeaea; color: var(--fail); }
.badge-warn { background: #fdf3e0; color: var(--warn); }
.badge-neutral { background: var(--gray-100); color: var(--gray-600); }

/* ---- Upload dropzone ---- */
.dropzone {
  border: 2px dashed var(--gray-400);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  color: var(--gray-600);
  cursor: pointer;
  background: #fff;
}
.dropzone.dragover { border-color: var(--primary); background: #fdeaea; color: var(--primary); }
#upload-list { margin-top: 20px; max-height: 420px; overflow-y: auto; }
.upload-row { padding: 6px 0; border-bottom: 1px solid var(--gray-100); font-size: .82rem; }
.upload-row-main { display: flex; align-items: center; gap: 10px; }
.upload-row-main .name { flex: 1; word-break: break-all; }
.upload-row-main .status { font-weight: 600; flex-shrink: 0; text-align: right; }
.upload-row-main .status.pending { color: var(--gray-400); }
.upload-row-main .status.ok { color: var(--ok); }
.upload-row-main .status.fail { color: var(--fail); }
.upload-reason { color: var(--fail); font-size: .78rem; margin-top: 3px; word-break: break-word; }
.progress-bar-outer { background: var(--gray-100); border-radius: 20px; height: 8px; overflow: hidden; margin-top: 12px; }
.progress-bar-inner { background: var(--primary); height: 100%; width: 0%; transition: width .2s; }

/* ---- Login ---- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #0d0d0d, #2a0000); }
.login-card { background: #fff; padding: 36px; border-radius: 14px; width: 340px; box-shadow: 0 10px 40px rgba(0,0,0,.3); }
.login-card h1 { margin: 0 0 2px; font-size: 1.3rem; }
.muted { color: var(--gray-600); font-size: .85rem; margin-top: 0; }

/* ---- Color swatch preview ---- */
.color-row { display: flex; align-items: center; gap: 10px; }
.color-row input[type=color] { width: 46px; height: 40px; padding: 2px; }

/* ---- Simple bar chart ---- */
.bar-chart { display: flex; align-items: flex-end; gap: 3px; height: 160px; margin-top: 10px; }
.bar-chart .bar { flex: 1; background: var(--primary); border-radius: 3px 3px 0 0; min-height: 2px; position: relative; }
.bar-chart .bar:hover::after {
  content: attr(data-label);
  position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
  background: var(--dark); color: #fff; padding: 3px 7px; border-radius: 4px; font-size: .7rem; white-space: nowrap; margin-bottom: 4px;
}

.checkbox-row { display: flex; align-items: center; gap: 8px; margin: 10px 0; }
.checkbox-row input { width: auto; }

.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mt-16 { margin-top: 16px; }