/* MarketHK PromoPilot Login - Premium HK SaaS Style */

:root {
  --brand-red: #b91c1c;
  --navy-dark: #0f172a;
  --navy-mid: #1e293b;
  --navy-light: #334155;
  --text-muted: #94a3b8;
  --card-bg: #ffffff;
  --card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --card-border: rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

body.login-page-premium {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #1e293b;
  overflow-x: hidden;
}

/* Split Layout */
.login-split {
  display: flex;
  min-height: 100vh;
}

/* Hero Section - 60% */
.login-hero {
  flex: 1;
  max-width: 60%;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-mid) 50%, #1e3a5f 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 4rem;
}

.login-marketing-nav {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.login-marketing-brand {
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.login-marketing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.login-marketing-links a {
  color: rgba(226, 232, 240, 0.92);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.login-marketing-links a:hover {
  color: #fff;
}

/* AI Grid Overlay */
.login-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* Animated Glow Dots */
.login-hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(185, 28, 28, 0.08) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  animation: glow-pulse 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

.login-hero-content {
  position: relative;
  z-index: 1;
  max-width: 480px;
  animation: fade-in 0.6s ease-out;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero copy — clear hierarchy, scannable in seconds */
.login-hero-title {
  font-size: clamp(1.65rem, 2.8vw, 2.35rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.875rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 22ch;
}

.login-hero-lead {
  font-size: 1.0625rem;
  color: #cbd5e1;
  margin: 0 0 1.75rem;
  line-height: 1.55;
  max-width: 38rem;
  font-weight: 400;
}

.login-hero-benefits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.login-hero-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.9375rem;
  line-height: 1.45;
  font-weight: 500;
}

.login-hero-check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  color: #f87171;
  opacity: 0.95;
}

.login-hero-tagline {
  margin: 1.75rem 0 0;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #e2e8f0;
  line-height: 1.4;
}

.login-hero-origin {
  margin: 1.25rem 0 0;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(148, 163, 184, 0.85);
}

.login-hero-tenant {
  margin: 0.65rem 0 0;
  font-size: 0.8125rem;
  color: rgba(148, 163, 184, 0.95);
}

/* Login Side - 40% */
.login-side {
  flex: 0 0 40%;
  min-width: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: #f8fafc;
}

/* Login Card */
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--card-border);
  padding: 2.5rem;
  animation: fade-in 0.6s ease-out 0.15s both;
}

.login-card h2 {
  margin: 0 0 1.5rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--navy-dark);
}

.login-form-group {
  margin-bottom: 1.25rem;
}

.login-form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy-light);
}

.login-input-wrap {
  position: relative;
}

.login-input-wrap .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

.login-input-wrap input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  font-size: 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.login-input-wrap input:focus {
  outline: none;
  border-color: var(--brand-red);
  box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.12);
}

.login-input-wrap input::placeholder {
  color: #94a3b8;
}

.login-btn {
  width: 100%;
  padding: 14px 24px;
  margin-top: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--brand-red);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.login-btn:hover {
  background: #991b1b;
  transform: translateY(-1px);
}

.login-btn:active {
  transform: translateY(0);
}

.login-btn.loading {
  pointer-events: none;
  position: relative;
  color: transparent;
}

.login-btn.loading::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.login-alert {
  padding: 0.875rem 1rem;
  margin-bottom: 1.25rem;
  border-radius: 10px;
  font-size: 0.9rem;
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* Trust Row */
.login-trust {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e2e8f0;
}

.login-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.login-trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.login-trust-item span { font-size: 1rem; }

.login-page-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.9rem 1.1rem;
  margin-top: 1.25rem;
}

.login-page-links a {
  color: var(--navy-light);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
}

.login-page-links a:hover {
  color: var(--brand-red);
}

/* Social Login Buttons */
.social-login-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 1rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: inherit;
  text-decoration: none;
  color: #3c4043;
  cursor: pointer;
  transition: background 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  border: 1px solid #dadce0;
  box-sizing: border-box;
}

.social-btn:hover,
.social-btn:focus {
  text-decoration: none;
  outline: none;
}

.social-btn svg {
  flex-shrink: 0;
}

.social-btn-google {
  background: #fff;
  color: #3c4043;
  border-color: #dadce0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.social-btn-google:hover {
  background: #f8f9fa;
  border-color: #c6c9cc;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  color: #3c4043;
}
.social-btn-google:active {
  background: #f1f3f4;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.social-btn-facebook {
  background: #1877F2;
  color: #fff;
  border-color: #1877F2;
  box-shadow: 0 1px 3px rgba(24,119,242,0.25);
}
.social-btn-facebook:hover {
  background: #166fe5;
  border-color: #166fe5;
  box-shadow: 0 2px 8px rgba(24,119,242,0.35);
  color: #fff;
}

.social-btn-apple {
  background: #000;
  color: #fff;
  border-color: #000;
  box-shadow: 0 1px 3px rgba(0,0,0,0.25);
}
.social-btn-apple:hover {
  background: #1a1a1a;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
  color: #fff;
}

.social-divider {
  display: flex;
  align-items: center;
  margin: 1.25rem 0;
  gap: 0.75rem;
}

.social-divider::before,
.social-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #e2e8f0;
}

.social-divider span {
  font-size: 0.82rem;
  color: #94a3b8;
  white-space: nowrap;
}

/* Responsive */
@media (max-width: 900px) {
  .login-split { flex-direction: column; }
  
  .login-hero {
    max-width: none;
    min-height: auto;
    padding: 2.5rem 2rem 2rem;
    text-align: center;
  }

  .login-marketing-nav {
    margin-bottom: 2rem;
    flex-direction: column;
  }
  
  .login-hero-content { max-width: none; }
  
  .login-hero-title {
    font-size: 1.65rem;
    max-width: none;
    margin-left: auto;
    margin-right: auto;
  }

  .login-hero-lead {
    margin-left: auto;
    margin-right: auto;
    max-width: 32rem;
  }

  .login-hero-benefits {
    text-align: left;
    max-width: 22rem;
    margin-left: auto;
    margin-right: auto;
  }

  .login-hero-tagline,
  .login-hero-origin,
  .login-hero-tenant {
    text-align: center;
  }

  .login-side {
    flex: 1;
    min-width: 0;
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .login-hero { display: none; }
  .login-side { padding: 1.5rem 1rem; }
  .login-card { padding: 1.75rem; }
  .login-page-links {
    gap: 0.75rem 0.9rem;
  }
}