/* ============================================================
   AUTH POPUP — centered modal (per TECH_logowanie_v1.md)
   Wspólny dla w.php i o.php
   ============================================================ */

#auth-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
}

.auth-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.auth-modal {
  position: relative;
  z-index: 1;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-24) var(--space-20);
  width: 100%;
  max-width: 400px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.24);
}

.auth-close {
  position: absolute;
  top: var(--space-16);
  right: var(--space-16);
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-circle);
  color: var(--color-text-secondary);
  padding: 0;
  font-size: 20px;
  line-height: 1;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--anim-duration-fast);
}

.auth-close:hover { background: var(--color-border); }

.auth-header {
  margin-bottom: var(--space-20);
  padding-right: var(--space-32);
}

.auth-header h2 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-4);
}

.auth-header p {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: var(--line-height-body);
  margin: 0;
}

.btn-oauth {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-12) var(--space-16);
  background: var(--color-bg-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-button);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  text-align: left;
  transition: opacity var(--anim-duration-fast);
  width: 100%;
}

.btn-oauth:active { opacity: 0.7; }

.btn-oauth-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin: var(--space-12) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
}

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

.auth-email-start {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.auth-email-start .btn { width: 100%; }

.auth-email-start input[type="email"] {
  padding: var(--space-12) var(--space-16);
  background: var(--_input-bg);
  border: var(--_input-border);
  border-radius: var(--radius-button);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
  outline: none;
  width: 100%;
  box-sizing: border-box;
  transition: border-color var(--anim-duration-fast);
}

.auth-email-start input[type="email"]:focus {
  border-color: var(--color-primary);
}

/* 6-cyfrowe pola kodu w auth popup */
.code-input-row {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
  margin: var(--space-16) 0;
}

.code-input {
  width: 44px;
  height: 52px;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-heading);
  background: var(--_input-bg);
  border: var(--_input-border);
  border-radius: var(--radius-card);
  color: var(--color-text-primary);
  outline: none;
  caret-color: var(--color-primary);
  transition: border-color var(--anim-duration-fast);
  -webkit-appearance: none;
  appearance: none;
}

.code-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(232,114,92,0.15);
}

#auth-code-error {
  font-size: var(--font-size-small);
  color: var(--color-error);
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-code-meta {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-12);
}

.auth-code-actions {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.auth-step-desc {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.auth-terms {
  margin-top: var(--space-16);
  padding-top: var(--space-16);
  border-top: 1px solid var(--color-border);
}

.auth-terms label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-8);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  cursor: pointer;
  line-height: 1.4;
}

.auth-terms input[type="checkbox"] {
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
}