/* ==================== INDEX.CSS - CMBank RSA Login/Signup Page ==================== */
/* PROFESSIONAL ENHANCED VERSION - Moderate Size, Perfect Balance */

/* ==================== CSS RESET & BASE ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* CMBank Brand Colors */
  --cm-primary: #003366;
  --cm-primary-dark: #002244;
  --cm-primary-light: #004080;
  --cm-primary-rgb: 0, 51, 102;
  --cm-gold: #b8860b;
  --cm-gold-light: #d4a017;
  --cm-gold-rgb: 184, 134, 11;
  
  /* Semantic Colors */
  --success: #10b981;
  --success-dark: #059669;
  --danger: #ef4444;
  --danger-dark: #dc2626;
  --warning: #f59e0b;
  --warning-dark: #d97706;
  --info: #3b82f6;
  --info-dark: #2563eb;
  
  /* Neutral Colors - Enhanced */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Background Gradients */
  --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --bg-gradient-cmbank: linear-gradient(135deg, #003366 0%, #1a4d8c 100%);
  
  /* Shadows - Enhanced */
  --shadow-sm: 0 1px 3px 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);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-gold: 0 10px 25px -5px rgba(184, 134, 11, 0.3);
  
  /* Border Radius - WIDER CURVES */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-2xl: 28px;
  --radius-full: 9999px;
  
  /* Transitions - Smooth */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Spacing - MODERATE */
  --spacing-xs: 6px;
  --spacing-sm: 10px;
  --spacing-md: 14px;
  --spacing-lg: 18px;
  --spacing-xl: 22px;
  --spacing-2xl: 28px;
  --spacing-3xl: 34px;
  --spacing-4xl: 42px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(145deg, #f0f5fa 0%, #e6edf5 100%);
  color: var(--gray-800);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  position: relative;
  overflow-x: hidden;
}

/* Animated Background - More Visible */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0,51,102,0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(184,134,11,0.08) 0%, transparent 50%);
  animation: backgroundShift 20s ease-in-out infinite;
  z-index: -1;
}

@keyframes backgroundShift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(5%, 5%) rotate(120deg); }
  66% { transform: translate(-5%, -5%) rotate(240deg); }
}

/* Security: Disable text selection */
body {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* ==================== AUTH CONTAINER - MODERATE ==================== */
.auth-container {
  width: 100%;
  max-width: 480px; /* MODERATE - between 400 and 460 */
  margin: 0 auto;
  animation: slideUpFade 0.8s var(--transition-bounce);
}

.auth-container.white {
  padding: var(--spacing-xs);
}

/* ==================== AUTH BOX - MODERATE ==================== */
.auth-box {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl), 0 0 0 1px rgba(255, 255, 255, 0.5) inset;
  padding: var(--spacing-2xl) var(--spacing-xl); /* MODERATE padding */
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.auth-box.white {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(0, 51, 102, 0.1);
}

/* Glass Morphism Effect */
.auth-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 50%);
  pointer-events: none;
}

/* Decorative Elements */
.auth-box::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 70% 30%, rgba(184,134,11,0.1) 0%, transparent 50%);
  animation: rotate 20s linear infinite;
  z-index: -1;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.auth-box:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: var(--shadow-2xl), 0 20px 40px -15px rgba(0, 51, 102, 0.3);
}

/* Decorative top border - Enhanced */
.auth-box .accent-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px; /* MODERATE */
  background: linear-gradient(90deg, var(--cm-primary), var(--cm-gold), var(--cm-primary));
  background-size: 200% 100%;
  animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ==================== LOGO SECTION - MODERATE ==================== */
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.logo i {
  font-size: 46px; /* MODERATE - between 40 and 52 */
  color: var(--cm-primary);
  animation: floatIcon 3s ease-in-out infinite;
  filter: drop-shadow(0 10px 15px rgba(0, 51, 102, 0.2));
  transition: all var(--transition-normal);
}

.logo:hover i {
  transform: scale(1.1) rotate(5deg);
  color: var(--cm-gold);
  filter: drop-shadow(0 15px 20px rgba(184, 134, 11, 0.3));
}

@keyframes floatIcon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.logo span {
  font-size: 28px; /* MODERATE - between 24 and 32 */
  font-weight: 800;
  background: linear-gradient(135deg, var(--cm-primary) 0%, var(--cm-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.5px;
  animation: slideInRight 0.8s var(--transition-bounce);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
  position: relative;
}

.logo span::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cm-primary), var(--cm-gold));
  transition: width var(--transition-normal);
}

.logo:hover span::after {
  width: 100%;
}

/* ==================== AUTH TABS - MODERATE ==================== */
.auth-tabs {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xl);
  background: var(--gray-100);
  padding: 4px;
  border-radius: var(--radius-xl);
  animation: fadeIn 0.8s ease;
}

.tab-btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: transparent;
  font-size: 15px; /* MODERATE - between 14 and 16 */
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-normal);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.tab-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--cm-primary), var(--cm-primary-light));
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
}

.tab-btn:hover {
  color: var(--cm-primary);
}

.tab-btn:hover::before {
  opacity: 0.1;
}

.tab-btn.active {
  color: var(--white);
  box-shadow: var(--shadow-gold);
}

.tab-btn.active::before {
  opacity: 1;
}

/* ==================== AUTH FORMS - MODERATE ==================== */
.auth-form {
  display: none;
  animation: fadeInScale 0.6s var(--transition-bounce);
}

.auth-form.active {
  display: block;
}

.auth-form h2 {
  font-size: 25px; /* MODERATE - between 22 and 28 */
  background: linear-gradient(135deg, var(--cm-primary) 0%, var(--cm-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
  text-align: center;
  font-weight: 700;
  letter-spacing: -0.5px;
  animation: slideInDown 0.5s ease;
}

.auth-form p {
  color: var(--gray-600);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-size: 14px; /* MODERATE - between 13 and 15 */
  animation: slideInUp 0.5s ease 0.1s both;
  position: relative;
  display: inline-block;
  width: 100%;
}

.auth-form p::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 45px; /* MODERATE */
  height: 2px;
  background: linear-gradient(90deg, var(--cm-primary), var(--cm-gold));
  border-radius: var(--radius-full);
}

/* ==================== FORM GROUPS - MODERATE ==================== */
.form-group {
  margin-bottom: var(--spacing-md);
  animation: slideInLeft 0.5s ease;
  animation-fill-mode: both;
}

.form-group label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px; /* MODERATE - between 12 and 14 */
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 4px;
  transition: all var(--transition-fast);
  padding-left: 4px;
}

.form-group label i {
  color: var(--cm-primary);
  font-size: 14px; /* MODERATE */
  transition: all var(--transition-fast);
}

.form-group:hover label {
  color: var(--cm-primary);
}

.form-group:hover label i {
  transform: scale(1.1) rotate(5deg);
  color: var(--cm-gold);
}

/* Input Container */
.input-container {
  position: relative;
  width: 100%;
}

.form-group input {
  width: 100%;
  padding: 12px 14px; /* MODERATE - between 10 and 14 */
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: 14px; /* MODERATE - between 13 and 15 */
  transition: all var(--transition-normal);
  background: var(--white);
  color: var(--gray-800);
  position: relative;
  z-index: 1;
}

.form-group input:hover {
  border-color: var(--cm-primary);
  background: linear-gradient(135deg, var(--white), var(--gray-50));
  transform: translateY(-1px);
  box-shadow: 0 6px 14px -8px rgba(0, 51, 102, 0.2);
}

.form-group input:focus {
  outline: none;
  border-color: var(--cm-primary);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1), 0 6px 14px -8px rgba(0, 51, 102, 0.2);
  transform: translateY(-1px);
  background: var(--white);
}

/* Input Icons Animation */
.form-group:focus-within label i {
  transform: scale(1.15) rotate(8deg);
  color: var(--cm-gold);
}

/* ==================== FIELD NOTES & ERRORS - MODERATE ==================== */
.field-note {
  color: var(--gray-500);
  font-size: 11px; /* MODERATE - between 10 and 12 */
  margin-top: 4px;
  font-style: italic;
  display: block;
  padding-left: 4px;
}

.field-note::before {
  content: 'ℹ️';
  margin-right: 4px;
  font-size: 10px;
  opacity: 0.7;
}

.error-message {
  color: var(--danger);
  font-size: 11px; /* MODERATE */
  margin-top: 4px;
  display: none;
  padding: 4px 10px;
  background: rgba(239, 68, 68, 0.1);
  border-radius: var(--radius-md);
  border-left: 2px solid var(--danger);
  animation: slideInRight 0.3s ease;
}

.error-message.show {
  display: block;
}

/* ==================== AUTH SUBMIT BUTTON - MODERATE ==================== */
.auth-submit-btn {
  width: 100%;
  padding: 14px 22px; /* MODERATE - between 12 and 16 */
  background: linear-gradient(135deg, var(--cm-primary), var(--cm-primary-light));
  color: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: 15px; /* MODERATE - between 14 and 16 */
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  margin-top: var(--spacing-lg);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 6px 16px -6px var(--cm-primary);
}

.auth-submit-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease-out, height 0.6s ease-out;
}

.auth-submit-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--cm-primary-light), var(--cm-primary));
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 10px 22px -8px var(--cm-primary);
  letter-spacing: 1px;
}

.auth-submit-btn:hover:not(:disabled)::before {
  width: 280px;
  height: 280px;
}

/* Button Loading State */
.auth-submit-btn.loading {
  position: relative;
  color: transparent;
}

.auth-submit-btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: button-spin 0.8s linear infinite;
}

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

/* ==================== AUTH NOTES - MODERATE ==================== */
.auth-note,
.form-note {
  font-size: 12px; /* MODERATE - between 11 and 13 */
  color: var(--gray-600);
  margin-top: var(--spacing-md);
  text-align: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--cm-primary);
  animation: fadeIn 0.8s ease;
  position: relative;
  overflow: hidden;
}

.auth-note::before,
.form-note::before {
  content: '🔒';
  margin-right: 5px;
  font-size: 11px;
}

.auth-note:hover,
.form-note:hover {
  background: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--cm-gold);
}

/* ==================== MODAL STYLES - MODERATE ==================== */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  text-align: center;
  max-width:300px; /* MODERATE - between 360 and 420 */
  width: 90%;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9) translateY(20px);
  transition: all var(--transition-bounce);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.modal-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cm-primary), var(--cm-gold));
}

.modal.active .modal-content {
  transform: scale(1) translateY(0);
}

/* ==================== SPINNER STYLES - MODERATE ==================== */
.spinner {
  border: 3px solid var(--gray-200);
  border-top: 3px solid var(--cm-primary);
  border-right: 3px solid var(--cm-gold);
  border-radius: 50%;
  width: 60px; /* MODERATE - between 50 and 70 */
  height: 60px;
  animation: spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  margin: var(--spacing-md) auto;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.spinner::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cm-primary), var(--cm-gold));
  opacity: 0.1;
  z-index: -1;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Button spinner */
.btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: button-spin 0.8s linear infinite;
  margin-right: 6px;
  vertical-align: middle;
}

/* ==================== MODAL ICONS ==================== */
.modal-success,
.modal-error {
  font-size: 60px; /* MODERATE - between 50 and 70 */
  margin-bottom: var(--spacing-md);
  animation: bounceIn 0.6s var(--transition-bounce);
  filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1));
}

.modal-message {
  margin-top: var(--spacing-md);
  font-size: 16px; /* MODERATE - between 15 and 18 */
  color: var(--gray-800);
  font-weight: 600;
  line-height: 1.5;
  padding: 0 var(--spacing-sm);
}

/* ==================== MODAL BUTTON ==================== */
.modal-button {
  background: linear-gradient(135deg, var(--cm-primary), var(--cm-primary-light));
  color: var(--white);
  border: none;
  padding: 12px 35px; /* MODERATE */
  border-radius: var(--radius-lg);
  font-size: 15px; /* MODERATE */
  font-weight: 600;
  cursor: pointer;
  margin-top: var(--spacing-md);
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 6px 16px -6px var(--cm-primary);
  position: relative;
  overflow: hidden;
}

/* ==================== KEYFRAME ANIMATIONS ==================== */
@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(35px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(35px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-35px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(35px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-35px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.95);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  15% { transform: translateX(-6px); }
  30% { transform: translateX(6px); }
  45% { transform: translateX(-4px); }
  60% { transform: translateX(4px); }
  75% { transform: translateX(-2px); }
  90% { transform: translateX(2px); }
}

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

/* Tablet */
@media screen and (max-width: 768px) {
  body {
    padding: var(--spacing-xs);
  }
  
  .auth-container {
    max-width: 400px;
  }
  
  .auth-box {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .logo i {
    font-size: 40px;
  }
  
  .logo span {
    font-size: 24px;
  }
  
  .tab-btn {
    padding: 8px 12px;
    font-size: 14px;
  }
  
  .auth-form h2 {
    font-size: 22px;
  }
  
  .form-group input {
    padding: 10px 12px;
    font-size: 13px;
  }
  
  .auth-submit-btn {
    padding: 12px 18px;
    font-size: 14px;
  }
}

/* Mobile */
@media screen and (max-width: 480px) {
  .auth-container {
    max-width: 100%;
  }
  
  .auth-box {
    padding: var(--spacing-md);
  }
  
  .logo i {
    font-size: 36px;
  }
  
  .logo span {
    font-size: 22px;
  }
  
  .auth-tabs {
    flex-direction: column;
  }
  
  .tab-btn {
    width: 100%;
  }
  
  .auth-form h2 {
    font-size: 20px;
  }
  
  .modal-content {
    max-width: 320px;
  }
}

/* ==================== UTILITY CLASSES ==================== */
.text-center {
  text-align: center;
}

/* Focus outline for accessibility */
:focus-visible {
  outline: 2px solid var(--cm-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--cm-primary), var(--cm-primary-light));
  border-radius: var(--radius-full);
}

/* Selection styling */
::selection {
  background: var(--cm-primary);
  color: var(--white);
}

/* ==================== END OF INDEX.CSS ==================== */