/* ── Global Apple Design System ────────────────────────── */
:root {
  /* Colors */
  --accent:       #0071e3;
  --accent-hover: #0077ed;
  --bg:           #000000;
  --bg-card:      #141416;
  --bg-elevated:  #2c2c2e;
  --bg-input:     #1c1c1e;
  --border:       rgba(255, 255, 255, 0.09);
  --border-hi:    rgba(255, 255, 255, 0.16);
  --text:         #f5f5f7;
  --text-muted:   #86868b;
  --text-dim:     #6e6e73;

  /* Typography */
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text',
          'Helvetica Neue', Arial, sans-serif;
  --mono: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;

  /* Radii */
  --radius:      18px;
  --radius-sm:   10px;
  --radius-pill: 100px;

  /* Shadows */
  --shadow:    0 4px 32px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);

  font-family: var(--font);
  line-height: 1.5;
  font-weight: 400;
  color-scheme: dark;
  color: var(--text);
  background-color: var(--bg);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  margin: 0;
  display: flex;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}

#root {
  width: 100%;
  min-height: 100vh;
}

/* ── Shared auth / page utility classes ─────────────────── */

/* Full-page centered layout */
.ap-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 32px 16px;
  font-family: var(--font);
}

/* Auth card */
.ap-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 44px 40px;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ap-card-title {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.8px;
  text-align: center;
}

.ap-card-sub {
  margin: 0 0 32px;
  font-size: 15px;
  color: var(--text-muted);
  text-align: center;
}

/* Form fields */
.ap-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.ap-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ap-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.1px;
}

.ap-input {
  background: var(--bg-input);
  border: 1px solid var(--border-hi);
  border-radius: 10px;
  padding: 11px 14px;
  color: var(--text);
  font-size: 15px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s;
}

.ap-input:focus {
  border-color: var(--accent);
}

/* Buttons */
.ap-btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: filter 0.2s, transform 0.15s;
  letter-spacing: -0.1px;
  margin-top: 6px;
}

.ap-btn-primary:hover:not(:disabled) {
  filter: brightness(1.1);
  transform: scale(1.01);
}

.ap-btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.ap-btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px;
  background: var(--bg-elevated);
  color: var(--text);
  border: none;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  letter-spacing: -0.1px;
}

.ap-btn-secondary:hover {
  background: #3a3a3c;
  transform: scale(1.01);
}

.ap-btn-white {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 13px;
  background: #ffffff;
  color: #1d1d1f;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: filter 0.2s;
}

.ap-btn-white:hover {
  filter: brightness(0.95);
}

/* Divider */
.ap-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  color: var(--text-dim);
  font-size: 13px;
}

.ap-divider::before,
.ap-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-hi);
}

/* Error */
.ap-error {
  background: #2d0e0e;
  border: 1px solid #7f1d1d;
  border-radius: 10px;
  color: #f87171;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

/* Footer link */
.ap-footer {
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
  margin: 20px 0 0;
}

.ap-link {
  color: var(--accent);
  text-decoration: none;
}

.ap-link:hover {
  text-decoration: underline;
}