:root {
  color-scheme: dark;
  --bg-deep: #0a0e14;
  --bg-panel: #111822;
  --bg-elevated: #17202f;
  --border: rgba(120, 180, 255, 0.18);
  --text: #e8f0ff;
  --text-muted: #8fa4c3;
  --accent: #5ae3ff;
  --accent-dim: rgba(90, 227, 255, 0.15);
  --danger: #f87171;
  --radius: 10px;
  --font: "Segoe UI", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg-deep);
  background-image:
    radial-gradient(800px 600px at 0% -10%, rgba(90, 227, 255, 0.12), transparent 60%),
    linear-gradient(180deg, #0d1219, var(--bg-deep));
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.panel__lead {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.field-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.input {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
}

.input:focus {
  outline: 2px solid var(--accent-dim);
  border-color: rgba(90, 227, 255, 0.45);
}

.btn {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  padding: 0.55rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
}

.btn--primary {
  background: var(--accent-dim);
  border-color: rgba(90, 227, 255, 0.35);
  color: var(--accent);
}

.btn--block {
  width: 100%;
}

.form-error {
  margin-top: 0.85rem;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: var(--danger);
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.login-card {
  width: min(100%, 420px);
}

.login-card__brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.app-header__logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.app-header__title {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.login-card__title {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.login-form {
  margin-top: 0.5rem;
}

.password-input-wrap {
  position: relative;
  display: flex;
  align-items: stretch;
}

.password-input {
  width: 100%;
  padding-right: 2.75rem;
}

.password-toggle {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 2.5rem;
  display: grid;
  place-items: center;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 0 8px 8px 0;
}

.password-toggle:hover,
.password-toggle--active {
  color: var(--accent);
}

.password-toggle__icon {
  width: 1.15rem;
  height: 1.15rem;
}

#login-error {
  margin-top: 0.85rem;
}