:root {
  --sat: 0px;
  --sar: 0px;
  --sab: 0px;
  --sal: 0px;
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg-app: #f4f5f7;
  --bg-surface: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-muted: #edf1f5;
  --bg-accent: #0f766e;
  --bg-accent-soft: #d9f0ed;
  --bg-warning: #fff7ed;
  --bg-error: #fef2f2;
  --line-soft: #d9dee7;
  --line-strong: #b8c0cc;
  --text-strong: #111827;
  --text-body: #374151;
  --text-soft: #697386;
  --text-inverse: #ffffff;
  --shadow-overlay: 0 18px 48px rgba(15, 23, 42, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-app);
  color: var(--text-strong);
}

body,
button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button,
select,
input,
textarea {
  color: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  min-height: 100vh;
  padding: max(10px, var(--sat))
           max(10px, var(--sar))
           max(10px, var(--sab))
           max(10px, var(--sal));
}

.ranger-app-grid {
  display: grid;
  grid-template-columns: minmax(248px, 0.68fr) minmax(420px, 1.12fr) minmax(420px, 1.08fr);
  gap: 8px;
  flex: 1;
  min-height: 0;
}

@media (max-width: 1199px) {
  .app-shell {
    height: 100dvh;
    min-height: unset;
    overflow: hidden;
    padding: max(8px, var(--sat))
             max(8px, var(--sar))
             max(8px, var(--sab))
             max(8px, var(--sal));
  }
}

/* Login */

.login-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 16px;
  background: var(--bg-app);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 320px;
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
}

.login-title {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-strong);
}