/* =============================================================
   MyJourney -- Auth CSS
   Login, Register (multi-step)
   Mobile-first
   ============================================================= */

/* ---- LAYOUT ------------------------------------------------- */

.auth-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) var(--space-5);
  background: var(--bg);
}

.auth-card {
  width: 100%;
  max-width: 420px;
}

.auth-logo {
  display: block;
  font-size: var(--text-xl);
  font-weight: var(--weight-extrabold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-1);
  text-decoration: none;
  margin-bottom: var(--space-8);
  text-align: center;
}
.auth-logo span { color: var(--accent); }

/* ---- HEADER ------------------------------------------------- */

.auth-header {
  margin-bottom: var(--space-8);
  text-align: center;
}

.auth-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-extrabold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-1);
  margin-bottom: var(--space-2);
}

.auth-sub {
  font-size: var(--text-sm);
  color: var(--text-2);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
}

/* ---- STEP INDICATOR ----------------------------------------- */

.auth-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--space-8);
}

.auth-step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--surface-3);
  transition: background var(--transition-base),
              transform var(--transition-base);
}

.auth-step-dot.active {
  background: var(--accent);
  transform: scale(1.25);
}

.auth-step-dot.done {
  background: var(--accent);
  opacity: 0.4;
}

.auth-step-line {
  width: 28px;
  height: 2px;
  background: var(--surface-3);
  transition: background var(--transition-base);
}

.auth-step-line.done { background: var(--accent); opacity: 0.4; }

/* ---- FORM --------------------------------------------------- */

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.auth-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

/* ---- GOOGLE BUTTON ------------------------------------------ */

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: 12px var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-2);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  cursor: not-allowed;
  opacity: 0.6;
  transition: none;
  position: relative;
}

.btn-google-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-google-soon {
  position: absolute;
  right: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-3);
  font-weight: var(--weight-regular);
}

/* ---- DIVISORE ----------------------------------------------- */

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-3);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---- TERMINI ------------------------------------------------ */

.auth-terms {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.auth-terms-check {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  transition: background var(--transition-fast),
              border-color var(--transition-fast);
}
.auth-terms-check svg {
  width: 12px;
  height: 12px;
  stroke: var(--text-inverse);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

input[type="checkbox"]:checked + .auth-terms-label .auth-terms-check,
.auth-terms.checked .auth-terms-check {
  background: var(--accent);
  border-color: var(--accent);
}
.auth-terms.checked .auth-terms-check svg { opacity: 1; }

.auth-terms-label {
  font-size: var(--text-sm);
  color: var(--text-2);
  line-height: var(--leading-relaxed);
}
.auth-terms-label a {
  color: var(--accent);
  text-decoration: none;
}

/* ---- FOOTER LINK -------------------------------------------- */

.auth-footer {
  margin-top: var(--space-6);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-2);
}
.auth-footer a {
  color: var(--accent);
  font-weight: var(--weight-medium);
  text-decoration: none;
}

/* ---- SKIP BUTTON -------------------------------------------- */

.auth-skip {
  background: none;
  border: none;
  color: var(--text-3);
  font-size: var(--text-sm);
  cursor: pointer;
  padding: var(--space-3);
  text-align: center;
  width: 100%;
  transition: color var(--transition-fast);
}
.auth-skip:hover { color: var(--text-2); }

/* ---- SPORT CARDS -------------------------------------------- */

.sport-section-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: var(--space-3);
  margin-top: var(--space-5);
}
.sport-section-label:first-child { margin-top: 0; }

.sport-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.sport-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: border-color var(--transition-fast),
              background var(--transition-fast);
  min-height: 52px;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.sport-card:active { transform: scale(0.97); }

.sport-card.selected {
  border-color: var(--accent-border);
  background: var(--accent-muted);
}

.sport-card.disabled:not(.selected) {
  opacity: 0.4;
  cursor: not-allowed;
}

.sport-card-icon {
  width: 20px;
  height: 20px;
  color: var(--text-3);
  flex-shrink: 0;
  transition: color var(--transition-fast);
}
.sport-card.selected .sport-card-icon { color: var(--accent); }

.sport-card-name {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-2);
  transition: color var(--transition-fast);
  line-height: 1.2;
}
.sport-card.selected .sport-card-name { color: var(--text-1); }

.sport-counter {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-3);
  margin-top: var(--space-3);
}
.sport-counter span { color: var(--accent); font-weight: var(--weight-semibold); }

/* ---- FREQUENZA CARDS ---------------------------------------- */

.freq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.freq-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: border-color var(--transition-fast),
              background var(--transition-fast);
  min-height: 80px;
  text-align: center;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.freq-card:active { transform: scale(0.97); }
.freq-card.selected {
  border-color: var(--accent-border);
  background: var(--accent-muted);
}

.freq-card-value {
  font-size: var(--text-xl);
  font-weight: var(--weight-extrabold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-1);
  transition: color var(--transition-fast);
}
.freq-card.selected .freq-card-value { color: var(--accent); }

.freq-card-label {
  font-size: var(--text-xs);
  color: var(--text-3);
  font-weight: var(--weight-regular);
}

/* ---- WELCOME SCREEN ----------------------------------------- */

.auth-welcome {
  text-align: center;
  padding: var(--space-8) 0;
}

.auth-welcome-icon {
  width: 64px;
  height: 64px;
  background: var(--accent-muted);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  color: var(--accent);
}
.auth-welcome-icon svg { width: 28px; height: 28px; }

.auth-welcome-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-extrabold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-1);
  margin-bottom: var(--space-3);
}

.auth-welcome-sub {
  font-size: var(--text-base);
  color: var(--text-2);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

/* ---- ERROR BOX ---------------------------------------------- */

.auth-error {
  background: var(--danger-muted);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--danger);
  display: none;
}
.auth-error.visible { display: block; }

/* ---- EMAIL VERIFY BANNER ------------------------------------ */

.verify-banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--warning-muted);
  border-bottom: 1px solid rgba(245,158,11,0.2);
  padding: var(--space-3) var(--content-pad);
  font-size: var(--text-sm);
  color: var(--text-1);
}
.verify-banner svg {
  width: 16px;
  height: 16px;
  stroke: var(--warning);
  flex-shrink: 0;
}
.verify-banner-text { flex: 1; }
.verify-banner-link {
  color: var(--accent);
  font-weight: var(--weight-medium);
  text-decoration: none;
  white-space: nowrap;
}