/* ============================================================
   DANGO AUTH — shared styles for /login, /signup, /welcome, /reset
   Extends theme.css + dango-styles.css without overriding them.
   ============================================================ */

/* ===== Shared base layout ===== */
.auth-body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background: var(--db-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

/* Floating top-left brand (same alien mark as sidebar) */
.auth-brand {
  position: fixed; top: 24px; left: 28px; z-index: 10;
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
  opacity: 0; transform: translateY(-6px);
  animation: authFade 0.6s var(--db-ease) 0.1s forwards;
}
.auth-brand-mark {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--db-green-dim); border-radius: 8px;
  background: var(--db-green-faint);
}
.auth-brand-text { display: flex; flex-direction: column; gap: 1px; }
.auth-brand-name { font-size: 13px; font-weight: 600; color: var(--db-text); letter-spacing: -0.01em; }
.auth-brand-sub  { font-family: var(--db-font-mono); font-size: 9px; color: var(--db-text-faint); letter-spacing: 0.2em; }

/* Top-right mini chip */
.auth-topright {
  position: fixed; top: 24px; right: 28px; z-index: 10;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--db-font-mono); font-size: 11px;
  color: var(--db-text-faint); letter-spacing: 0.12em;
  opacity: 0; animation: authFade 0.6s var(--db-ease) 0.25s forwards;
}
.auth-topright .paper-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--db-green-dim);
  color: var(--db-green); background: var(--db-green-faint);
  font-size: 10px;
}
.auth-topright .paper-badge::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--db-green); box-shadow: 0 0 6px var(--db-green);
  animation: dbPulse 1.5s ease-in-out infinite;
}
.auth-topright a { color: var(--db-text-dim); text-decoration: none; transition: color 0.15s; }
.auth-topright a:hover { color: var(--db-green); }

/* ===== The card ===== */
.auth-card {
  position: relative; z-index: 2;
  width: 100%; max-width: 440px;
  padding: 36px 32px;
  background: rgba(16, 22, 31, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--db-green-dim);
  border-radius: 12px;
  box-shadow: var(--db-shadow-panel);
  opacity: 0; transform: translateY(10px);
  animation: authFade 0.65s var(--db-ease) 0.3s forwards;
}
.auth-card--wide { max-width: 560px; }

.auth-card::before {
  content: '';
  position: absolute; inset: -1px;
  border-radius: 12px; padding: 1px;
  background: linear-gradient(135deg, rgba(63,185,80,0.25), transparent 40%, transparent 60%, rgba(88,166,255,0.18));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}

/* Scan line staggered */
.auth-card-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 28px;
  position: relative;
}
.auth-card-head::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -14px;
  height: 1px; background: linear-gradient(90deg, var(--db-green-dim), transparent 60%);
}
.auth-title {
  font-size: 22px; font-weight: 500; color: var(--db-text);
  letter-spacing: -0.01em;
}
.auth-subtitle {
  font-size: 13px; color: var(--db-text-dim);
  margin-top: 6px; line-height: 1.5;
}
.auth-badge {
  font-family: var(--db-font-mono); font-size: 10px;
  color: var(--db-green); letter-spacing: 0.15em; text-transform: uppercase;
}

/* ===== Fields (floating label, matches landing) ===== */
.auth-field {
  position: relative;
  margin-bottom: 20px;
}
.auth-field input {
  width: 100%;
  padding: 18px 0 8px;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--db-text);
  font-family: var(--db-font-mono);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.auth-field label {
  position: absolute; left: 0; top: 18px;
  font-size: 13px; color: var(--db-text-faint);
  pointer-events: none;
  transition: all 0.2s ease-out;
  font-family: var(--db-font-sans);
}
.auth-field input:focus,
.auth-field input:not(:placeholder-shown) {
  border-bottom-color: var(--db-green);
}
.auth-field input:focus + label,
.auth-field input:not(:placeholder-shown) + label {
  top: 0;
  font-size: 10px;
  color: var(--db-green);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.auth-field-hint {
  margin-top: 6px;
  font-family: var(--db-font-mono);
  font-size: 10px; color: var(--db-text-faint);
  letter-spacing: 0.08em;
}
.auth-field-hint.ok { color: var(--db-green); }
.auth-field-hint.err { color: var(--db-amber); }

/* ===== Buttons ===== */
.auth-primary-btn {
  width: 100%;
  height: 46px;
  background: var(--db-green);
  color: #052e0a;
  border: none;
  border-radius: 6px;
  font-family: var(--db-font-sans);
  font-size: 14px; font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.12s ease-out, box-shadow 0.2s;
  margin-top: 6px;
}
.auth-primary-btn::before {
  content: '';
  position: absolute; top: 0; left: -100%;
  width: 80%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.8s ease-out;
}
.auth-primary-btn:hover:not(:disabled) {
  box-shadow: 0 0 24px rgba(63, 185, 80, 0.35);
}
.auth-primary-btn:hover::before { left: 130%; }
.auth-primary-btn:active { transform: scale(0.98); }
.auth-primary-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.auth-primary-btn .arrow { margin-left: 6px; transition: transform 0.2s; }
.auth-primary-btn:hover .arrow { transform: translateX(3px); }

.auth-google-btn {
  width: 100%;
  height: 44px;
  background: #fff;
  color: #1a1a1a;
  border: none;
  border-radius: 6px;
  font-family: var(--db-font-sans);
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: background 0.15s, transform 0.12s;
}
.auth-google-btn:hover { background: #f5f5f5; }
.auth-google-btn:active { transform: scale(0.99); }

.auth-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 20px 0;
  font-family: var(--db-font-mono);
  font-size: 10px; color: var(--db-text-faint);
  letter-spacing: 0.2em; text-transform: uppercase;
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; height: 1px; background: rgba(255, 255, 255, 0.08);
}

/* ===== Checkbox ===== */
.auth-check {
  display: flex; align-items: flex-start; gap: 10px;
  cursor: pointer;
  padding: 10px 0;
  margin-bottom: 14px;
  user-select: none;
}
.auth-check input { position: absolute; opacity: 0; pointer-events: none; }
.auth-check-box {
  flex-shrink: 0;
  width: 16px; height: 16px; margin-top: 2px;
  border: 1px solid var(--db-border-strong);
  border-radius: 4px;
  background: transparent;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.auth-check input:checked + .auth-check-box {
  background: var(--db-green);
  border-color: var(--db-green);
}
.auth-check input:checked + .auth-check-box::after {
  content: ''; width: 4px; height: 8px;
  border-right: 2px solid #052e0a;
  border-bottom: 2px solid #052e0a;
  transform: rotate(45deg) translate(-1px, -1px);
}
.auth-check-text {
  font-size: 12px; color: var(--db-text-dim); line-height: 1.5;
}
.auth-check-text strong { color: var(--db-text); font-weight: 500; }
.auth-check-text a { color: var(--db-green); text-decoration: none; }
.auth-check-text a:hover { text-decoration: underline; }

/* ===== Footer links under card ===== */
.auth-foot-link {
  display: block;
  text-align: center;
  margin-top: 20px;
  font-family: var(--db-font-mono);
  font-size: 11px; color: var(--db-text-dim);
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 0.15s;
}
.auth-foot-link span { color: var(--db-green); }
.auth-foot-link:hover { color: var(--db-text); }

.auth-card-footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 18px;
  font-family: var(--db-font-mono);
  font-size: 11px; color: var(--db-text-faint);
  letter-spacing: 0.08em;
}
.auth-card-footer a { color: var(--db-text-dim); text-decoration: none; transition: color 0.15s; }
.auth-card-footer a:hover { color: var(--db-green); }

/* ===== Disclaimer callout ===== */
.auth-disclaimer {
  margin-top: 24px;
  padding: 12px 14px;
  border: 1px solid var(--db-border);
  border-left: 2px solid var(--db-amber);
  border-radius: 6px;
  background: rgba(210, 153, 34, 0.04);
  font-size: 11px;
  line-height: 1.6;
  color: var(--db-text-dim);
  font-family: var(--db-font-sans);
}
.auth-disclaimer strong { color: var(--db-amber); font-family: var(--db-font-mono); letter-spacing: 0.08em; font-size: 10px; text-transform: uppercase; display: block; margin-bottom: 4px; }

/* ===== MODAL (for signup on landing) ===== */
.auth-modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(5, 8, 12, 0.75);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s var(--db-ease);
}
.auth-modal-overlay.on { opacity: 1; pointer-events: auto; }
.auth-modal-card {
  position: relative;
  width: 100%; max-width: 460px;
  background: rgba(16, 22, 31, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--db-green-dim);
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  padding: 32px 28px;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.3s var(--db-ease);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}
.auth-modal-overlay.on .auth-modal-card { transform: translateY(0) scale(1); }
.auth-modal-close {
  position: absolute; top: 12px; right: 12px;
  width: 28px; height: 28px;
  background: transparent;
  border: 1px solid var(--db-border);
  border-radius: 6px;
  color: var(--db-text-dim);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.auth-modal-close:hover { color: var(--db-text); border-color: var(--db-border-strong); }

/* ===== WELCOME page pieces ===== */
.welcome-wrap {
  width: 100%; max-width: 560px;
  text-align: center;
  opacity: 0; transform: translateY(10px);
  animation: authFade 0.7s var(--db-ease) 0.2s forwards;
  position: relative; z-index: 2;
}
.welcome-alien {
  width: 160px; height: 160px;
  margin: 0 auto 28px;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.welcome-alien::before {
  content: ''; position: absolute; inset: -20px;
  border: 1px solid var(--db-green-dim); border-radius: 50%;
  animation: welcomeRing 3s ease-in-out infinite;
}
.welcome-alien::after {
  content: ''; position: absolute; inset: -40px;
  border: 1px solid var(--db-green-dim); border-radius: 50%;
  opacity: 0.5;
  animation: welcomeRing 3s ease-in-out infinite 1.5s;
}
@keyframes welcomeRing {
  0% { transform: scale(0.9); opacity: 0; }
  50% { opacity: 0.7; }
  100% { transform: scale(1.15); opacity: 0; }
}
.welcome-alien svg { animation: welcomeFloat 4s ease-in-out infinite; }
@keyframes welcomeFloat {
  0%, 100% { transform: translateY(-6px); }
  50% { transform: translateY(6px); }
}

.welcome-title {
  font-size: 34px; font-weight: 500; color: var(--db-text);
  letter-spacing: -0.015em; line-height: 1.15;
  margin-bottom: 10px;
}
.welcome-title .accent { color: var(--db-green); }
.welcome-sub {
  font-size: 16px; color: var(--db-text-dim);
  line-height: 1.55; max-width: 480px; margin: 0 auto;
}
.welcome-sub .usdt {
  font-family: var(--db-font-mono);
  color: var(--db-green); font-weight: 500;
}

.welcome-steps {
  display: flex; justify-content: space-between; align-items: center;
  margin: 36px auto 28px;
  max-width: 520px;
  position: relative;
}
.welcome-steps::before {
  content: ''; position: absolute;
  left: 22px; right: 22px; top: 13px;
  height: 1px; background: var(--db-border);
  z-index: 0;
}
.welcome-step {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  flex: 1;
  position: relative; z-index: 1;
}
.welcome-step-dot {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--db-bg-2);
  border: 1px solid var(--db-border-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--db-font-mono); font-size: 11px;
  color: var(--db-text-faint);
  transition: all 0.2s;
}
.welcome-step.done .welcome-step-dot {
  background: var(--db-green);
  border-color: var(--db-green);
  color: #052e0a;
}
.welcome-step.active .welcome-step-dot {
  border-color: var(--db-green);
  color: var(--db-green);
  box-shadow: 0 0 0 4px var(--db-green-faint);
  animation: dbPulse 2s ease-in-out infinite;
}
.welcome-step-label {
  font-family: var(--db-font-mono); font-size: 10px;
  color: var(--db-text-faint);
  letter-spacing: 0.1em; text-transform: uppercase;
  text-align: center;
  max-width: 140px;
}
.welcome-step.done .welcome-step-label,
.welcome-step.active .welcome-step-label { color: var(--db-text-dim); }
.welcome-step.active .welcome-step-label { color: var(--db-green); }

.welcome-edu {
  margin: 0 auto 28px;
  max-width: 480px;
  padding: 18px 22px;
  border: 1px solid var(--db-border);
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  text-align: left;
}
.welcome-edu-head {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--db-font-mono);
  font-size: 10px; color: var(--db-green);
  letter-spacing: 0.15em; text-transform: uppercase;
  margin-bottom: 8px;
}
.welcome-edu-body {
  font-size: 13px; color: var(--db-text-dim); line-height: 1.55;
}
.welcome-edu-formula {
  display: inline-block;
  margin-top: 10px;
  padding: 6px 12px;
  background: var(--db-bg-2);
  border: 1px solid var(--db-green-dim);
  border-radius: 6px;
  font-family: var(--db-font-mono);
  font-size: 13px; color: var(--db-green);
  letter-spacing: 0.02em;
}

.welcome-ctas {
  display: flex; gap: 12px; justify-content: center;
  margin-top: 8px;
}
.welcome-ctas .auth-primary-btn { max-width: 280px; height: 50px; font-size: 14px; }

/* ===== Reset states ===== */
.auth-success {
  text-align: center;
  padding: 20px 0;
}
.auth-success-icon {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  border: 1px solid var(--db-green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--db-green);
  background: var(--db-green-faint);
  animation: successPop 0.5s var(--db-ease) 0.1s backwards;
}
@keyframes successPop {
  0% { transform: scale(0.6); opacity: 0; }
  60% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}
.auth-success-title {
  font-size: 18px; font-weight: 500; color: var(--db-text);
  margin-bottom: 8px;
}
.auth-success-body {
  font-size: 13px; color: var(--db-text-dim); line-height: 1.55;
  max-width: 340px; margin: 0 auto;
}
.auth-success-email {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 10px;
  background: var(--db-bg-2);
  border: 1px solid var(--db-green-dim);
  border-radius: 4px;
  font-family: var(--db-font-mono);
  font-size: 12px; color: var(--db-green);
}

/* ===== Animations ===== */
@keyframes authFade {
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 🔧 APR 25: Mobile responsive para auth pages ===== */
@media (max-width: 640px) {
  .auth-body {
    padding: 16px 12px;
    min-height: 100vh;
    align-items: flex-start;
  }
  .auth-brand {
    top: 14px; left: 14px;
    transform: none;
  }
  .auth-brand-name { font-size: 13px; }
  .auth-brand-sub { font-size: 9px; }
  .auth-topright {
    top: 14px; right: 14px;
    gap: 8px !important;
  }
  .auth-topright .paper-badge { font-size: 10px; padding: 3px 7px; }

  .auth-card {
    margin-top: 60px;
    padding: 24px 18px;
    border-radius: 10px;
  }
  .auth-card-head { margin-bottom: 22px; flex-wrap: wrap; gap: 8px; }
  .auth-title { font-size: 18px; }
  .auth-subtitle { font-size: 12px; }
  .auth-badge { font-size: 9px; padding: 3px 7px; }

  .auth-field input { font-size: 16px; }  /* >= 16px evita zoom de iOS */
  .auth-field label { font-size: 13px; }

  .auth-primary-btn {
    padding: 12px 14px;
    font-size: 14px;
  }
  .auth-google-btn { padding: 11px 14px; font-size: 13px; }

  .auth-card-footer {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  /* Welcome page específico */
  .welcome-wrap { padding: 16px 12px !important; margin-top: 56px; }
  .welcome-title { font-size: 22px !important; line-height: 1.25 !important; }
  .welcome-sub { font-size: 13px !important; }
  .welcome-steps {
    flex-direction: column !important;
    gap: 12px !important;
    align-items: stretch !important;
  }
  .welcome-step { padding: 10px 12px !important; }
  .welcome-edu { padding: 14px !important; }
  .welcome-edu-body { font-size: 12px; }
}

@media (max-width: 380px) {
  .auth-card { padding: 20px 16px; margin-top: 56px; }
  .auth-title { font-size: 17px; }
}