/* ===== Design Tokens ===== */
:root {
  /* Colors */
  --color-ink: #1C1B1A;        /* primary text, borders */
  --color-parchment: #F7F4EC;  /* page background */
  --color-parchment-dim: #EDE8DA; /* card background, slightly deeper */
  --color-blood: #8B1E1E;      /* primary accent / CTA */
  --color-blood-dark: #6E1717; /* hover state */
  --color-forest: #3D6B4C;     /* secondary accent */
  --color-gold: #C9A227;       /* rules, dividers, borders */

  /* Type */
  --font-display: 'Spectral', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, sans-serif;
  --font-label: 'Source Sans 3', monospace;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
}

/* ===== Reset / Base ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background-color: var(--color-parchment);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
}

a {
  color: var(--color-blood);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* Reusable stat-block card */
.stat-card {
  background: var(--color-parchment-dim);
  border: 1px solid var(--color-ink);
  border-top: 4px double var(--color-gold);
  border-radius: 2px;
  padding: var(--space-md);
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--color-ink);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background-color: var(--color-blood);
  border-color: var(--color-blood);
  color: var(--color-parchment);
}
.btn-primary:hover { background-color: var(--color-blood-dark); text-decoration: none; }

.btn-secondary {
  background-color: transparent;
  color: var(--color-ink);
}
.btn-secondary:hover { background-color: var(--color-ink); color: var(--color-parchment); text-decoration: none; }

/* Small-caps utility label (for INIT / HP / AC style tags) */
.label-tag {
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  color: var(--color-forest);
}

/* ===== Auth page layout (shared by login.html + register.html) ===== */
.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; /* centers card vertically+horizontally regardless of viewport size */
    padding: var(--space-md);
}
.auth-page h1 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    text-align: center;
}
.auth-card {
    width: 100%;
    max-width: 380px; /* caps card width so it doesn't stretch full-bleed on wide screens */
}
.auth-card h2 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}
.auth-message {
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 0.6rem 0.8rem;
    border-radius: 2px;
    margin-bottom: var(--space-sm);
}
.auth-message.error {
    /* replaces old inline style="color: red" with a themed, bordered variant */
    color: var(--color-blood-dark);
    background-color: rgba(139, 30, 30, 0.08);
    border: 1px solid rgba(139, 30, 30, 0.3);
}
.auth-message.success {
    color: var(--color-forest);
    background-color: rgba(61, 107, 76, 0.08);
    border: 1px solid rgba(61, 107, 76, 0.3);
}
.field-group {
    margin-bottom: var(--space-sm); /* one wrapper per label+input keeps spacing consistent */
}
.field-group label {
    display: block;
    font-family: var(--font-label);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    color: var(--color-ink);
    opacity: 0.7;
    margin-bottom: 0.35rem;
}
.field-group input {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--color-ink);
    border-radius: 2px;
    background-color: var(--color-parchment);
    color: var(--color-ink);
}
.field-group input:focus {
    /* replaces default blue browser focus ring w/ theme color; keeps focus visible for a11y */
    outline: 2px solid var(--color-gold);
    outline-offset: 1px;
}
.auth-card .btn {
    width: 100%;
    margin-top: var(--space-xs);
}
.auth-footer {
    text-align: center;
    font-size: 0.9rem;
    margin-top: var(--space-sm);
}