/* ===== Auth & Guest UI — Slice 3/4 ===== */

/* ---------- Header layout ---------- */
.app-head { gap: 10px; }
.head-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.auth-area {
  display: flex;
  align-items: center;
  min-width: 80px;
  justify-content: flex-end;
}

/* ---------- Credits badge ---------- */
.credits-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 20px;
  background: var(--accent-soft);
  border: 1.5px solid rgba(27,67,50,0.18);
  font: 600 13px/1 var(--font-body);
  color: var(--accent);
  letter-spacing: -0.01em;
  cursor: default;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.credits-badge svg { opacity: 0.75; flex-shrink: 0; }
.credits-badge.low {
  background: #FFF3CD;
  border-color: #F0C040;
  color: #92620A;
}

/* ---------- Sign-in button (logged out) ---------- */
.sign-in-btn {
  font: 500 13px/1 var(--font-body);
  padding: 7px 15px;
  border-radius: 20px;
  border: 1.5px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  letter-spacing: -0.005em;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.sign-in-btn:hover {
  background: var(--accent);
  color: #fff;
}

/* Clerk UserButton avatar — fit the header */
#authArea .cl-userButtonBox,
#authArea .cl-userButtonAvatarBox {
  width: 32px !important;
  height: 32px !important;
}
#authArea .cl-userButtonAvatarImage {
  width: 32px !important;
  height: 32px !important;
  border-radius: 50%;
}

/* ---------- Guest exercises banner ---------- */
.guest-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 9px 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(27,67,50,0.15);
  border-radius: 12px;
  font: 400 13px/1 var(--font-body);
  color: var(--ink-soft);
}
.guest-banner.warning {
  background: var(--warn-soft);
  border-color: #ECDFC0;
  color: var(--warn);
}

.guest-cta {
  font: 600 12px/1 var(--font-body);
  padding: 5px 13px;
  border-radius: 14px;
  border: 1.5px solid currentColor;
  background: transparent;
  cursor: pointer;
  color: inherit;
  letter-spacing: -0.005em;
  transition: opacity 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.guest-cta:hover { opacity: 0.7; }

/* ---------- Sign-in modal overlay (guest limit / out of credits) ---------- */
.signin-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,20,25,0.52);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.signin-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px 28px 24px;
  max-width: 340px;
  width: 100%;
  text-align: center;
  box-shadow:
    0 4px 24px rgba(15,20,25,0.08),
    0 24px 80px rgba(15,20,25,0.18);
  animation: fadeUp 0.22s ease both;
}

.signin-card h2 {
  font: 500 22px/1.2 var(--font-display);
  margin: 0 0 10px;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.signin-card p {
  font: 400 14px/1.6 var(--font-body);
  color: var(--ink-soft);
  margin: 0 0 16px;
  letter-spacing: -0.003em;
}

.signin-card-btns {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.signin-card-btns .primary-btn {
  margin: 0;
}

.signin-dismiss {
  font: 400 12px/1 var(--font-body);
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  margin-top: 10px;
  padding: 6px;
  letter-spacing: -0.003em;
  transition: color 0.15s ease;
}
.signin-dismiss:hover { color: var(--ink-soft); }

/* ---------- Inline promo row inside out-of-credits overlay ---------- */
.inline-promo {
  display: flex;
  gap: 8px;
  margin: 0 0 4px;
}
.inline-promo input {
  flex: 1;
  font: 500 13px/1 var(--font-mono, monospace);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--line);
  background: var(--card);
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  min-width: 0;
}
.inline-promo input:focus { border-color: var(--accent); }
.inline-promo input::placeholder {
  color: var(--muted);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
.inline-promo .primary-btn {
  flex-shrink: 0;
  padding: 10px 16px;
  font-size: 13px;
  margin: 0;
  white-space: nowrap;
}

/* Outlined CTA variant (payment / coming soon) */
.signin-card .primary-btn.outlined {
  background: transparent;
  border: 1.5px solid var(--line);
  color: var(--ink-soft);
}
.signin-card .primary-btn.outlined:disabled {
  cursor: default;
  opacity: 0.65;
}

/* "soon" badge inside button */
.coming-soon-tag {
  display: inline-block;
  font: 600 9px/1 var(--font-body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(0,0,0,0.1);
  padding: 2px 5px;
  border-radius: 5px;
  margin-left: 4px;
  vertical-align: middle;
}

/* ---------- Paywall bar (step preview lock) ---------- */
.paywall-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 14px;
  margin: 12px 0;
}

.pwb-left {
  display: flex;
  align-items: center;
  gap: 7px;
  font: 400 14px/1 var(--font-body);
  color: var(--ink-soft);
}
.pwb-lock { font-size: 15px; }

.reveal-btn {
  font: 600 13px/1 var(--font-body);
  padding: 8px 18px;
  border-radius: 20px;
  border: 1.5px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  letter-spacing: -0.005em;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.reveal-btn:hover {
  background: var(--accent);
  color: #fff;
}

/* Locked steps are slightly dimmed with a blur */
.step-locked {
  opacity: 0.38;
  filter: blur(3px);
  pointer-events: none;
  user-select: none;
}

/* ---------- Bonus / promo code section ---------- */
.bonus-section {
  text-align: center;
  padding: 8px 0 4px;
}

.bonus-toggle {
  font: 400 12px/1 var(--font-body);
  color: var(--muted);
  text-decoration: none;
  letter-spacing: -0.003em;
  transition: color 0.15s ease;
}
.bonus-toggle:hover { color: var(--ink-soft); }

.bonus-wrap {
  margin: 10px auto 0;
  animation: fadeUp 0.18s ease both;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  max-width: 340px;
  box-shadow: 0 1px 6px rgba(15,20,25,0.05);
}

/* Input sopra, bottone sotto — colonna */
.bonus-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bonus-input {
  width: 100%;
  font: 500 13px/1 var(--font-mono, monospace);
  padding: 9px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-sizing: border-box;
}
.bonus-input:focus {
  border-color: var(--accent);
  background: white;
}
.bonus-input::placeholder {
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

.bonus-apply {
  font: 600 13px/1 var(--font-body);
  padding: 10px 16px;
  border-radius: 10px;
  border: 1.5px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  letter-spacing: -0.005em;
  white-space: nowrap;
  transition: opacity 0.15s ease;
  width: 100%;
}
.bonus-apply:hover:not(:disabled) { opacity: 0.85; }
.bonus-apply:disabled { opacity: 0.45; cursor: default; }

.bonus-msg {
  font: 400 12px/1.4 var(--font-body);
  color: var(--ink-soft);
  text-align: center;
  margin: 8px 0 0;
  min-height: 1em;
  letter-spacing: -0.003em;
}
.bonus-msg.success { color: var(--good, #1B6B3A); font-weight: 600; }
.bonus-msg.error   { color: var(--bad,  #C0392B); }


/* ===== Credits modal redesign (2026) ===== */
.credits-modal {
  max-width: 420px;
  padding: 28px 24px 20px;
  text-align: left;
}
.signin-card { position: relative; }
.cm-close {
  position: absolute;
  top: 14px; right: 16px;
  background: none; border: none;
  font-size: 20px; line-height: 1;
  color: var(--muted); cursor: pointer;
  padding: 4px 6px; border-radius: 6px;
  transition: color 0.15s ease;
}
.cm-close:hover { color: var(--ink); }

.cm-header { margin-bottom: 16px; }
.cm-emoji  { font-size: 28px; line-height: 1; margin-bottom: 8px; }
.cm-title  { font: 700 20px/1.2 var(--font-display); color: var(--ink); margin: 0 0 5px; letter-spacing: -0.02em; }
.cm-sub    { font: 400 13px/1.5 var(--font-body); color: var(--muted); margin: 0; }

/* Cost table */
.cm-costs      { display: flex; flex-direction: column; gap: 7px; margin-bottom: 20px; }
.cm-cost-row   { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.cm-cost-label { font: 400 13px/1.3 var(--font-body); color: var(--ink-soft); }
.cm-cost-badge {
  font: 600 11px/1 var(--font-body);
  padding: 4px 9px; border-radius: 20px;
  letter-spacing: -0.01em; white-space: nowrap; flex-shrink: 0;
  background: var(--paper-2, #F3F4F6); color: var(--ink-soft);
}
.cm-cost-badge.accent { background: var(--accent-soft); color: var(--accent); }
.cm-cost-badge.free   { background: #D1FAE5; color: #065F46; }
.cm-cost-badge.muted  { background: var(--paper-2, #F3F4F6); color: var(--muted); }

/* Package grid */
.pkg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.pkg-card {
  position: relative;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  padding: 14px 10px 12px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.12s ease, box-shadow 0.15s ease;
  text-align: center;
  appearance: none; -webkit-appearance: none;
}
.pkg-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(67,56,202,0.12);
}
.pkg-card.popular {
  border-color: var(--accent);
  background: linear-gradient(135deg, #F5F3FF 0%, #EDE9FE 100%);
}
.pkg-pop-badge {
  position: absolute;
  top: -9px; left: 50%; transform: translateX(-50%);
  font: 700 9px/1 var(--font-body);
  letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--accent); color: #fff;
  padding: 3px 8px; border-radius: 20px;
  white-space: nowrap;
}
.pkg-pop-badge.value { background: linear-gradient(90deg, #059669, #10B981); }
.pkg-card-icon    { font-size: 22px; margin-bottom: 5px; }
.pkg-card-name    { font: 700 13px/1 var(--font-body); color: var(--ink); margin-bottom: 4px; }
.pkg-card-price   { font: 700 18px/1 var(--font-display); color: var(--accent); letter-spacing: -0.02em; margin-bottom: 2px; }
.pkg-card-credits { font: 600 11px/1 var(--font-body); color: var(--ink-soft); }
.pkg-card-unit    { font: 400 10px/1 var(--font-body); color: var(--muted); margin-top: 3px; }
.pkg-card-for     { font: 400 10px/1.3 var(--font-body); color: var(--muted); margin-top: 5px; }

/* Helper text */
.cm-which { font: 400 12px/1.5 var(--font-body); color: var(--muted); margin-bottom: 16px; text-align: center; }
.cm-which strong { color: var(--ink-soft); font-weight: 600; }

/* Promo section */
.promo-section    { margin-top: 4px; text-align: center; }
.promo-toggle-btn {
  font: 400 11px/1 var(--font-body);
  color: var(--muted); background: none; border: none; cursor: pointer;
  padding: 4px 0; letter-spacing: -0.003em; transition: color 0.15s ease;
}
.promo-toggle-btn:hover { color: var(--ink-soft); }
.promo-collapse.hidden  { display: none; }

.promo-block { display: flex; gap: 8px; margin: 8px 0 4px; }
.promo-block input {
  flex: 1; min-width: 0;
  font: 500 13px/1 var(--font-mono, monospace);
  padding: 9px 14px; border-radius: 10px;
  border: 1.5px solid var(--line); background: var(--card); color: var(--ink);
  outline: none; transition: border-color 0.15s ease;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.promo-block input:focus { border-color: var(--accent); }
.promo-block input::placeholder { color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: 0; }
.promo-apply-btn {
  font: 600 12px/1 var(--font-body); padding: 9px 14px; border-radius: 10px;
  border: 1.5px solid var(--accent); background: var(--accent); color: #fff;
  cursor: pointer; white-space: nowrap; flex-shrink: 0; transition: opacity 0.15s ease;
}
.promo-apply-btn:hover:not(:disabled) { opacity: 0.85; }
.promo-apply-btn:disabled { opacity: 0.45; cursor: default; }

/* pricing-action-sub (inline note in showPricingModal) */
.pricing-action-sub {
  font-size: 10px; font-weight: 400;
  color: var(--muted); margin-left: 4px;
}
.pricing-action-cost.muted { color: var(--muted); }