/* ============================================
   TRIFOCUS UX - SHARED PROFESSIONAL STYLES
   Brand Colors: Slate #3A4B5C, Steel #5A6A7A, Silver #8A9AAA
   ============================================ */

/* CSS Variables - Brand Color System */
:root {
  /* Brand Colors - Matching New Logo */
  --brand-navy: #3A4B5C;
  --brand-navy-light: #4A5B6C;
  --brand-navy-dark: #2A3B4C;
  --brand-cyan: #5A6A7A;
  --brand-cyan-light: #8A9AAA;
  --brand-cyan-dark: #4A5A6A;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  
  /* Semantic Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: var(--brand-cyan);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
  background: #ffffff;
  color: var(--brand-navy);
  padding: var(--spacing-3xl) var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(58, 75, 92, 0.05), transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-content-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

/* Brand Box - Clean Centered Logo */
.brand-box {
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.brand-logo {
  width: 400px;
  height: auto;
  margin: 0 auto;
  display: block;
  filter: none;
  border-radius: 8px;
}

.brand-title {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--brand-navy);
  letter-spacing: 2px;
  margin-bottom: var(--spacing-md);
  text-shadow: none;
}

.brand-subtitle {
  font-size: 1rem;
  color: var(--brand-cyan);
  font-weight: 500;
  line-height: 1.5;
  margin: 0;
}

.hero-content {
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(58, 75, 92, 0.1);
  border: 1px solid rgba(58, 75, 92, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--brand-cyan);
  margin-bottom: var(--spacing-lg);
}

.badge-icon {
  color: var(--brand-cyan);
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(90deg, var(--brand-navy), var(--brand-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  line-height: 1.6;
  color: var(--gray-600);
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--gray-200);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--brand-navy);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-300);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-content {
  padding: var(--spacing-3xl) 0;
}

.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--brand-navy);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   FORM STYLES
   ============================================ */

.audit-form, .form-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2xl);
  border: 1px solid var(--gray-200);
}

.form-section {
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--gray-200);
}

.form-section:first-child {
  padding-top: 0;
}

.form-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.form-section-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--brand-navy);
  margin-bottom: var(--spacing-sm);
}

.form-section-description {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.label-icon {
  width: 16px;
  height: 16px;
  color: var(--brand-cyan);
  flex-shrink: 0;
}

.required-indicator {
  color: var(--error);
  margin-left: 2px;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-top: var(--spacing-xs);
  display: block;
}

.form-input,
.form-select,
.form-textarea {
  padding: var(--spacing-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--gray-700);
  background: var(--white);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--brand-cyan);
  box-shadow: 0 0 0 3px rgba(75, 163, 195, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ============================================
   BUTTONS
   ============================================ */

.form-actions {
  margin-top: var(--spacing-xl);
  display: flex;
  justify-content: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-2xl);
  background: linear-gradient(135deg, var(--brand-navy), var(--brand-navy-light));
  color: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-icon {
  width: 20px;
  height: 20px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .hero-content-wrapper {
    max-width: 100%;
    padding: 0 var(--spacing-md);
  }
  
  .brand-box {
    margin-bottom: var(--spacing-xl);
  }
  
  .brand-logo {
    width: 320px;
  }
  
  .brand-title {
    font-size: 2rem;
  }
  
  .brand-subtitle {
    font-size: 0.875rem;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-stats {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .stat-divider {
    display: none;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .main-content {
    padding: var(--spacing-2xl) 0;
  }
  
  .container-custom {
    padding: 0 var(--spacing-md);
  }
  
  .audit-form, .form-card {
    padding: var(--spacing-lg);
  }
}

/* ============================================
   ENHANCED LOGIN FORM - CRITICAL FIX #4
   ============================================ */

/* Enhanced Form Container */
.enhanced-login-form {
  width: 100%;
}

/* Form Groups */
.enhanced-login-form .form-group {
  margin-bottom: var(--spacing-xl);
}

.enhanced-login-form .form-label {
  display: block;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-family);
}

.enhanced-login-form .required {
  color: var(--error);
  margin-left: 2px;
}

/* Form Inputs */
.enhanced-login-form .form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--gray-900);
  background-color: var(--white);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  outline: none;
}

.enhanced-login-form .form-input:focus {
  border-color: var(--brand-cyan);
  box-shadow: 0 0 0 3px rgba(75, 163, 195, 0.1);
}

.enhanced-login-form .form-input:hover:not(:focus) {
  border-color: var(--gray-400);
}

.enhanced-login-form .form-input.error {
  border-color: var(--error);
  background-color: rgba(239, 68, 68, 0.05);
}

.enhanced-login-form .form-input.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Password Input Container */
.password-input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-container .form-input {
  padding-right: 3rem;
}

.password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--gray-600);
  transition: all var(--transition-base);
  border-radius: var(--radius-sm);
}

.password-toggle:hover {
  color: var(--brand-cyan);
  background-color: var(--gray-100);
}

.password-toggle:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 2px;
}

/* Form Help Text */
.form-help {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-top: var(--spacing-xs);
  font-family: var(--font-family);
}

/* Form Error Messages */
.form-error {
  display: none;
  font-size: var(--font-size-sm);
  color: var(--error);
  margin-top: var(--spacing-sm);
  font-weight: 500;
  font-family: var(--font-family);
}

.form-error::before {
  content: '⚠ ';
  margin-right: 4px;
}

/* Checkbox Group */
.checkbox-group {
  margin-bottom: var(--spacing-lg);
}

.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  user-select: none;
  font-family: var(--font-family);
}

.checkbox-input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.checkbox-custom {
  position: relative;
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  margin-right: var(--spacing-sm);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.checkbox-input:checked + .checkbox-custom {
  background-color: var(--brand-cyan);
  border-color: var(--brand-cyan);
}

.checkbox-input:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-input:focus-visible + .checkbox-custom {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 2px;
}

.checkbox-label:hover .checkbox-custom {
  border-color: var(--brand-cyan);
}

/* Login Button */
.login-button {
  width: 100%;
  padding: 1rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family);
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-cyan), var(--brand-cyan-light));
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.login-button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.login-button:active:not(:disabled) {
  transform: translateY(0);
}

.login-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.login-button:focus-visible {
  outline: 3px solid var(--brand-cyan);
  outline-offset: 2px;
}

.button-loader {
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Spinner Animation */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Form Links */
.form-links {
  text-align: center;
  margin-top: var(--spacing-lg);
}

.forgot-link {
  font-size: var(--font-size-sm);
  color: var(--brand-cyan);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base);
  font-family: var(--font-family);
}

.forgot-link:hover {
  color: var(--brand-cyan-dark);
  text-decoration: underline;
}

.forgot-link:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Login Divider */
.login-divider {
  text-align: center;
  margin: var(--spacing-xl) 0;
  position: relative;
}

.login-divider::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background-color: var(--gray-200);
}

.login-divider span {
  position: relative;
  background-color: var(--white);
  padding: 0 var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  font-family: var(--font-family);
}

/* Guest Button */
.guest-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 1rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family);
  color: var(--brand-navy);
  background-color: var(--white);
  border: 2px solid var(--brand-navy);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
}

.guest-button:hover {
  background-color: var(--brand-navy);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.guest-button:focus-visible {
  outline: 3px solid var(--brand-cyan);
  outline-offset: 2px;
}

/* Signup Prompt */
.signup-prompt {
  text-align: center;
  margin-top: var(--spacing-xl);
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  font-family: var(--font-family);
}

.signup-link {
  color: var(--brand-cyan);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-base);
}

.signup-link:hover {
  color: var(--brand-cyan-dark);
  text-decoration: underline;
}

.signup-link:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Accessibility: Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .enhanced-login-form *,
  .login-button,
  .guest-button,
  .password-toggle,
  .checkbox-custom {
    transition: none !important;
    animation: none !important;
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .enhanced-login-form .form-input {
    font-size: 16px;
  }
  
  .login-button,
  .guest-button {
    padding: 0.875rem;
  }
}