/* ──────────────────────────────────────────────────────────────
 * Auth modals — overlays on top of the landing page
 * ────────────────────────────────────────────────────────────── */

/* ── Overlay backdrop ── */
/* ── Overlay top nav ── */
.auth-overlay__nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  z-index: 1;
}

/* default hidden */
.auth-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--bg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.auth-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

[data-theme="light"] .auth-overlay {
  background: var(--bg);
}

/* ── Modal card — liquid glass ── */
.auth-modal {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 20px;
  padding: 36px 40px 40px;
  backdrop-filter: blur(28px) saturate(150%) brightness(1.0);
  -webkit-backdrop-filter: blur(28px) saturate(150%) brightness(1.0);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.18) inset,
    0 -1px 0 rgba(0,0,0,0.12) inset,
    0 32px 64px -20px rgba(0,0,0,0.40),
    0 8px 24px -8px rgba(0,0,0,0.22);
  transform: translateY(16px) scale(0.98);
  transition: transform 0.32s cubic-bezier(0.22,1,0.36,1), opacity 0.25s ease;
  opacity: 0;
}

/* Top-edge specular highlight — mirrors the nav */
.auth-modal::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.09) 0%,
    rgba(255,255,255,0.00) 40%
  );
  pointer-events: none;
  z-index: 0;
}

/* Keep modal content above the shimmer */
.auth-modal > * {
  position: relative;
  z-index: 1;
}

[data-theme="light"] .auth-modal {
  background: rgba(255,255,255,0.60);
  border-color: rgba(255,255,255,0.92);
  backdrop-filter: blur(28px) saturate(160%) brightness(1.04);
  -webkit-backdrop-filter: blur(28px) saturate(160%) brightness(1.04);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.95) inset,
    0 -1px 0 rgba(0,0,0,0.04) inset,
    0 32px 64px -20px rgba(0,0,0,0.14),
    0 8px 24px -8px rgba(0,0,0,0.07);
}

.auth-overlay.is-open .auth-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* ── Close button ── */
.auth-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, color .15s;
}
.auth-modal__close:hover {
  background: var(--surface-2);
  color: var(--text);
}

/* ── Steps ── */
.modal-step[hidden] { display: none; }

/* ── Headings ── */
.auth-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 6px;
  line-height: 1.25;
}

.auth-sub {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 24px;
  line-height: 1.5;
}

/* ── Form ── */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.auth-field__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.auth-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.auth-forgot {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--font-sans);
  transition: opacity .15s;
}
.auth-forgot:hover { opacity: 0.75; }

.auth-input-wrap {
  position: relative;
  transition: transform .15s ease;
}
.auth-input-wrap:focus-within { transform: scale(1.01); }

.auth-input {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  outline: none;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.auth-input::placeholder { color: var(--muted); opacity: 0.6; }
.auth-input:focus {
  border-color: var(--accent);
  background: rgba(59,130,246,0.05);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

[data-theme="light"] .auth-input {
  background: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.10);
}
[data-theme="light"] .auth-input:focus {
  border-color: var(--accent);
  background: rgba(37,99,235,0.04);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.10);
}

/* Password eye toggle */
.auth-eye {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  padding: 2px;
  line-height: 0;
  transition: color .15s;
}
.auth-eye:hover { color: var(--text); }
.auth-input--has-eye { padding-right: 42px; }

/* Submit */
.auth-submit {
  margin-top: 4px;
  width: 100%;
  padding: 11px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background .15s ease, transform .1s ease;
  box-shadow: var(--shadow-sm);
}
.auth-submit:hover  { background: var(--accent-2); }
.auth-submit:active { transform: translateY(1px); }
.auth-submit:disabled { opacity: 0.6; cursor: not-allowed; }

/* Spinner */
@keyframes auth-spin { to { transform: rotate(360deg); } }
.auth-spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: auth-spin 0.65s linear infinite;
  flex-shrink: 0;
}

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0;
  font-size: 12px;
  color: var(--muted);
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* Google button */
.auth-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.auth-google:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.16);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.auth-google:active { transform: translateY(0); }
[data-theme="light"] .auth-google:hover {
  background: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.14);
}

/* Footer link */
.auth-footer-link {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin: 4px 0 0;
}
.auth-footer-link a, .auth-footer-link button {
  color: var(--accent);
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
  padding: 0;
}
.auth-footer-link a:hover,
.auth-footer-link button:hover { text-decoration: underline; }

/* Icon block (verify email) */
.auth-icon-block {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.20);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}

/* Terms */
.auth-terms {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
  margin-top: 2px;
}
.auth-terms a { color: var(--muted); text-decoration: underline; }
.auth-terms a:hover { color: var(--text); }