/* 
 * Stem Cell Institute Patient App - Modern CSS Styles
 * Modern color palette with professional medical aesthetic
 */

:root {
  /* Modern Color Palette */
  --primary-blue: #2563eb;
  --primary-blue-light: #3b82f6;
  --primary-blue-dark: #1d4ed8;
  --secondary-teal: #0d9488;
  --secondary-teal-light: #14b8a6;
  --accent-emerald: #059669;
  --accent-emerald-light: #10b981;
  
  /* Neutral Colors */
  --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;
  
  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Typography */
  --font-primary: 'Roboto', -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;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Base Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-700);
  /* background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%); */
  background-color: #ffffff70;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* Loading State */
body.loading {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: 'Roboto', Arial, sans-serif;
  background-color: #ffffff !important;
  background: #ffffff !important;
}

body:not(.loading) .loading-logo { 
  display: none; 
}

body:not(.loading) .loading-message { 
  display: none; 
}

.loading-message {
  text-align: center;
  color: var(--primary-blue);
  font-size: var(--font-size-xl);
  font-weight: 600;
  padding: var(--space-6);
  background: rgba(37, 99, 235, 0.05);
  border-radius: var(--radius-xl);
  border: 2px solid rgba(37, 99, 235, 0.1);
  box-shadow: var(--shadow-lg);
  animation: pulse 2s ease-in-out infinite;
  margin-top: var(--space-4);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Form Wrapper */
#form-wrapper {
  display: none;
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-6);
  animation: fadeIn 0.6s ease-out;
}

#form-wrapper.show {
  display: block;
}

/* Logo Container */
.logo-container {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background: white;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 0;
}

.main-logo {
  max-width: 100%;
  height: auto;
  max-height: 80px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  transition: transform 0.3s ease;
}

.main-logo:hover {
  transform: scale(1.02);
}

/* Responsive logo sizing */
@media (max-width: 768px) {
  .main-logo {
    max-height: 80px;
  }
  
  .logo-container {
    padding: var(--space-4) var(--space-3);
  }
}

@media (max-width: 480px) {
  .main-logo {
    max-height: 60px;
  }
  
  .logo-container {
    padding: var(--space-3) var(--space-2);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form Styling */
form {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

/* Table Styling - Respecting existing structure */
table {
  width: 100% !important;
  border-collapse: collapse;
  font-size: var(--font-size-base) !important;
  margin: 0;
}

/* Section Headers */
h3 {
  color: var(--primary-blue);
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin: 0;
  padding: var(--space-6);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  border-bottom: 3px solid var(--primary-blue);
  position: relative;
}

h3::before {
  content: '';
  position: absolute;
  left: var(--space-6);
  bottom: -3px;
  width: 60px;
  height: 3px;
  background: var(--secondary-teal);
  border-radius: 2px;
}

/* Table Cells */
td {
  padding: var(--space-4) var(--space-5) !important;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
  font-size: var(--font-size-base) !important;
  font-weight: 600;
}

#important-message {
  color: var(--primary-blue);
  /* font-weight: 700; */
  font-size: var(--font-size-lg);
  /* margin-top: var(--space-4); */
  text-align: justify;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  padding-left: var(--space-6);
  padding-right: var(--space-6);
  background: rgba(110, 180, 250, 0.144);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: var(--space-4) 0;
  font-weight: 500;
}

#welcome-message-box {
  padding: var(--space-4);
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: var(--space-4) auto;

}

/* Labels */
td[align="right"] {
  font-weight: 700;
  color: var(--gray-700);
  background: var(--gray-50);
  border-right: 1px solid var(--gray-200);
  min-width: 200px;
  white-space: nowrap;
  position: relative;
  font-size: 14px !important;
}

/* ======== ENHANCED REQUIRED FIELD STYLING ======== */

/* Required Field Indicator - Modern approach */
td.req,
.req {
  color: var(--gray-700) !important;
  font-weight: 700;
  position: relative;
}

/* Enhanced asterisk styling for required fields */
td.req::before,
.req::before {
  content: "*";
  color: var(--error) !important;
  font-weight: 900;
  font-size: 1.3em;
  margin-right: var(--space-1);
  text-shadow: 0 1px 2px rgba(239, 68, 68, 0.3);
  animation: required-pulse 3s ease-in-out infinite;
}

@keyframes required-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Required form controls styling */
input[required],
select[required],
textarea[required] {
  border-left: 4px solid var(--error) !important;
  background: rgba(239, 68, 68, 0.02);
}

input[required]:focus,
select[required]:focus,
textarea[required]:focus {
  border-left: 4px solid var(--primary-blue) !important;
  background: rgba(37, 99, 235, 0.02);
}

/* Radio button required groups */
input[type="radio"][required] {
  border-left: none !important;
  background: transparent !important;
}

/* Required field container styling */
td:has(input[required]),
td:has(select[required]),
td:has(textarea[required]) {
  background: rgba(239, 68, 68, 0.01);
  border-left: 2px solid rgba(239, 68, 68, 0.3);
}

/* Alternative: Using a small badge for required fields */
.required-badge {
  display: inline-block;
  background: var(--primary-blue);
  color: white;
  font-size: var(--font-size-xs);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-left: var(--space-2);
  vertical-align: middle;
}

/* Remove duplicate rule - already defined above */

/* Detect and style required fields by content ending with * */
td[align="right"]:contains("*") {
  position: relative;
}

td[align="right"]:contains("*")::before {
  content: "";
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--primary-blue);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* Form Controls */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-family: inherit;
  transition: all 0.2s ease-in-out;
  background: white;
  color: var(--gray-700);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  transform: translateY(-1px);
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
input[type="number"]:hover,
select:hover,
textarea:hover {
  border-color: var(--gray-300);
}

.form-submit-button {
  text-align: center;
  margin-top: var(--space-6);
}

/* Select Styling */
select {
  /* background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e"); */
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: var(--space-10);
  cursor: pointer;
}

/* Textarea */
textarea {
  resize: vertical;
  min-height: 80px;
}

/* Checkbox and Radio Styling */
input[type="checkbox"],
input[type="radio"] {
  width: 18px;
  height: 18px;
  margin-right: var(--space-2);
  accent-color: var(--primary-blue);
  cursor: pointer;
}

/* Submit Button */
input[type="submit"],
button[type="submit"] {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  color: white;
  padding: var(--space-4) var(--space-8);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  box-shadow: var(--shadow-md);
  min-width: 150px;
}

input[type="submit"]:hover,
button[type="submit"]:hover {
  background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--primary-blue) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

input[type="submit"]:active,
button[type="submit"]:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Form Section Spacing */
tr:has(h3) td {
  padding: 0 !important;
  border: none;
}

/* Alternating Row Colors */
tbody tr:nth-child(even) {
  background: rgba(248, 250, 252, 0.5);
}

tbody tr:hover {
  background: rgba(37, 99, 235, 0.05);
  transition: background-color 0.2s ease;
}

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

/* Desktop (>1024px) - Default styles already applied */

/* Tablet (768px-1024px) */
@media (max-width: 1024px) and (min-width: 769px) {
  #form-wrapper {
    max-width: 900px;
    padding: var(--space-5);
  }
  
  td[align="right"] {
    min-width: 180px;
    font-size: var(--font-size-sm);
  }
  
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  select,
  textarea {
    padding: var(--space-3);
  }
}

/* Mobile (768px and below) */
@media (max-width: 768px) {
  #form-wrapper {
    padding: var(--space-4);
    margin: var(--space-2);
  }
  
  table {
    font-size: var(--font-size-sm) !important;
  }
  
  td {
    padding: var(--space-3) !important;
  }
  
  td[align="right"] {
    min-width: 140px;
    font-size: var(--font-size-sm);
  }
  
  h3 {
    font-size: var(--font-size-lg);
    padding: var(--space-4);
  }
  
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  select,
  textarea {
    padding: var(--space-3) var(--space-3);
    font-size: var(--font-size-sm);
  }
  
  /* Enhanced loading message for mobile */
  .loading-message {
    font-size: var(--font-size-lg);
    padding: var(--space-4);
    margin: var(--space-3);
  }
}

/* Small Mobile (480px and below) */
@media (max-width: 480px) {
  #form-wrapper {
    margin: 0;
    padding: var(--space-2);
  }
  
  form {
    border-radius: var(--radius-lg);
  }
  
  /* Stack layout for mobile */
  td[align="right"] {
    display: block;
    text-align: left !important;
    background: rgba(37, 99, 235, 0.03);
    border-right: none;
    border-bottom: 1px solid var(--gray-200);
    font-weight: 600;
    color: var(--primary-blue);
    padding: var(--space-2) var(--space-3) !important;
  }
  
  table,
  tbody,
  tr,
  td {
    display: block;
    width: 100%;
  }
  
  tr {
    border-bottom: 2px solid var(--gray-100);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-3);
    border-radius: var(--radius-md);
    background: white;
    box-shadow: var(--shadow-sm);
  }
  
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  select,
  textarea {
    padding: var(--space-3);
    font-size: var(--font-size-base);
    margin-top: var(--space-2);
  }
  
  /* Mobile loading adjustments */
  .loading-message {
    font-size: var(--font-size-base);
    padding: var(--space-3);
    margin: var(--space-2);
  }
}

/* Extra Small Mobile (320px and below) */
@media (max-width: 320px) {
  #form-wrapper {
    padding: var(--space-1);
  }
  
  h3 {
    font-size: var(--font-size-base);
    padding: var(--space-3);
  }
  
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  select,
  textarea {
    padding: var(--space-2);
    font-size: var(--font-size-sm);
  }
  
  td {
    padding: var(--space-2) !important;
  }
  
  .loading-message {
    font-size: var(--font-size-sm);
    padding: var(--space-2);
  }
}

/* Loading States for Form Elements */
.loading-input {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Form Validation States */
.invalid {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.valid {
  border-color: var(--success) !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

/* Error Messages */
.error-message {
  color: var(--error);
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
  font-weight: 500;
}

/* Success Messages */
.success-message {
  color: var(--success);
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
  font-weight: 500;
}

/* Medical Form Specific Styling */
.medical-section {
  border-left: 4px solid var(--secondary-teal);
}

.personal-section {
  border-left: 4px solid var(--primary-blue);
}

.emergency-section {
  border-left: 4px solid var(--warning);
}

/* Required field styling with JavaScript enhancement */
.required-field-indicator {
  color: var(--primary-blue) !important;
  font-weight: 900 !important;
  margin-left: var(--space-1);
}

.required-field-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--primary-blue);
  border-radius: 50%;
  margin-left: var(--space-2);
  vertical-align: middle;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.8;
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
  }
  
  #form-wrapper {
    box-shadow: none;
    border: 1px solid black;
  }
  
  .loading-message {
    display: none;
  }
  
  .required-field-dot {
    animation: none;
  }
}