/* ===== LOGIN PAGE ===== */
.login-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  /* Safe area for notch devices */
  padding-top: max(var(--space-4), env(safe-area-inset-top));
  padding-bottom: max(var(--space-4), env(safe-area-inset-bottom));
}

.login-content {
  text-align: center;
  max-width: 400px;
  width: 100%;
}

.login-logo {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
}

.login-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--purple-500);
  animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 0.2; }
}

.login-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.login-title-light {
  color: var(--text-primary);
  font-weight: 300;
  margin-left: var(--space-2);
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-8);
  min-height: 1.5em;
}

/* Phone input */
.login-form {
  margin-top: var(--space-4);
}

.login-input-group {
  margin-bottom: var(--space-5);
}

.login-phone-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  transition: border-color 0.3s;
}

.login-phone-wrapper:focus-within {
  border-color: var(--purple-500);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.login-phone-prefix {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 1.05rem;
  white-space: nowrap;
}

.login-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  outline: none;
  font-family: inherit;
}

.login-input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

/* PIN inputs */
.login-pin-title {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.login-pin-subtitle {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: var(--space-4);
}

.login-pin-wrapper {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.login-pin-input {
  width: 56px;
  height: 64px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  outline: none;
  transition: border-color 0.3s, transform 0.15s;
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
}

.login-pin-input:focus {
  border-color: var(--purple-500);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
  transform: scale(1.05);
}

/* Submit button */
.login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3) var(--space-5);
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  font-family: inherit;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.login-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

.login-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.login-btn.loading span {
  opacity: 0;
}

.login-btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ===== DENIED STEP ===== */
.login-denied {
  text-align: center;
}

.login-denied-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
  margin-bottom: var(--space-5);
  animation: denied-pulse 2s ease-in-out infinite;
}

@keyframes denied-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.1); }
  50% { box-shadow: 0 0 0 12px rgba(239, 68, 68, 0); }
}

.login-denied-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.login-denied-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.login-denied-hint {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: var(--space-6);
}

/* ===== EXPLAIN PIN STEP ===== */
.login-explain {
  text-align: center;
}

.login-explain-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  color: var(--purple-400);
  margin-bottom: var(--space-5);
}

.login-explain-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.login-explain-text strong {
  color: var(--text-primary);
}

.login-explain-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  text-align: left;
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

.login-explain-feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.login-explain-feature svg {
  flex-shrink: 0;
  color: var(--purple-400);
}

/* ===== Secondary Button ===== */
.login-btn--secondary {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

.login-btn--secondary:hover:not(:disabled) {
  border-color: var(--purple-500);
  color: var(--purple-400);
  box-shadow: none;
  transform: none;
}

/* Error */
.login-error {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  color: #ef4444;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .login-title { font-size: 1.8rem; }
  .login-pin-input { width: 48px; height: 56px; font-size: 1.3rem; }
}

@media (max-width: 480px) {
  .login-pin-input { width: 44px; height: 50px; font-size: 1.1rem; }
}