:root {
  --bg: #f3f6fb;
  --panel: #ffffff;
  --ink: #10213a;
  --subtle: #4c5d75;
  --line: #dbe2ec;
  --up: #117a37;
  --down: #b42318;
  --flat: #3a4960;
  --missing: #77859b;
  --accent: #1e67d9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px 300px at -10% -20%, #dce9ff 0%, transparent 60%),
    radial-gradient(700px 220px at 120% -20%, #eaf7ef 0%, transparent 60%),
    var(--bg);
}

.app-shell {
  width: min(980px, 95vw);
  margin: 20px auto 30px;
}

.login-shell {
  width: min(460px, 92vw);
  margin: 70px auto;
}

.login-panel h1 {
  margin: 0;
  font-size: 1.6rem;
}

.login-panel p {
  margin: 8px 0 0;
  color: var(--subtle);
}

.login-form {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.login-form label {
  color: var(--subtle);
  font-size: 0.9rem;
}

.top-row {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.top h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  letter-spacing: 0.02em;
}

.top p {
  margin: 8px 0 0;
  color: var(--subtle);
}

.meta {
  font-size: 0.9rem;
}

.panel {
  margin-top: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 6px 18px rgba(16, 33, 58, 0.06);
}

.controls label {
  display: block;
  font-size: 0.9rem;
  color: var(--subtle);
  margin-bottom: 8px;
}

.control-row {
  display: flex;
  gap: 10px;
}

input,
button {
  font: inherit;
}

input {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
}

input:focus {
  border-color: var(--accent);
  outline: 2px solid #9ec2ff;
  outline-offset: 1px;
}

button {
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

button:active {
  transform: translateY(1px);
}

.ghost-btn {
  background: #eef3fc;
  color: #1d3c6d;
}

#permission-hint {
  margin: 8px 2px 0;
  font-size: 0.9rem;
  color: var(--subtle);
}

#status {
  margin: 10px 2px 0;
  font-size: 0.92rem;
  color: var(--subtle);
}

.error {
  margin-top: 10px;
  background: #fdecec;
  border: 1px solid #f6c8c8;
  color: #8f1d1d;
  padding: 10px 12px;
  border-radius: 10px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
  white-space: nowrap;
}

th {
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--subtle);
}

td.num,
th.num {
  text-align: right;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.trend-up {
  color: var(--up);
}

.trend-down {
  color: var(--down);
}

.trend-flat {
  color: var(--flat);
}

.trend-missing {
  color: var(--missing);
}

@media (max-width: 640px) {
  .app-shell {
    width: min(980px, 97vw);
    margin-top: 10px;
  }

  .panel {
    border-radius: 12px;
    padding: 12px;
  }

  .control-row {
    flex-direction: column;
  }

  button {
    width: 100%;
  }
}