/**
 * Premium Medical UI Styles for CARE Notes
 * Medical-grade polish with sophisticated animations and micro-interactions
 * Designed for healthcare provider confidence and patient trust
 */

/* ===== PREMIUM MEDICAL COLOR SYSTEM ===== */

:root {
  /* Primary Medical Brand Colors */
  --medical-primary: #1a2b5c;
  --medical-primary-light: #2c4380;
  --medical-primary-dark: #0d1a3b;
  
  /* Clinical Status Colors */
  --clinical-success: #2e7d32;
  --clinical-warning: #f57c00;
  --clinical-error: #c62828;
  --clinical-info: #1976d2;
  
  /* Premium Pain Scale Colors */
  --pain-none: #e8f5e8;
  --pain-mild: #c8e6c9;
  --pain-moderate: #ffcc80;
  --pain-severe: #ef5350;
  --pain-extreme: #b71c1c;
  
  /* Recovery Scale Colors */
  --recovery-excellent: #2e7d32;
  --recovery-good: #388e3c;
  --recovery-fair: #689f38;
  --recovery-poor: #fbc02d;
  --recovery-critical: #f57c00;
  
  /* Premium Surfaces */
  --surface-primary: #ffffff;
  --surface-secondary: #f8f9fa;
  --surface-elevated: #ffffff;
  --surface-overlay: rgba(26, 43, 92, 0.08);
  
  /* Medical Shadows */
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-normal: 0 4px 6px rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-elevated: 0 10px 15px rgba(0, 0, 0, 0.12), 0 4px 6px rgba(0, 0, 0, 0.08);
  --shadow-premium: 0 20px 25px rgba(0, 0, 0, 0.12), 0 8px 10px rgba(0, 0, 0, 0.08);
  
  /* Animation Properties */
  --animation-swift: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --animation-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --animation-gentle: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --animation-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Premium Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  /* Medical Typography */
  --font-medical-small: 13px;
  --font-medical-normal: 15px;
  --font-medical-medium: 16px;
  --font-medical-large: 18px;
  --font-medical-xl: 22px;
  --font-medical-title: 28px;
}

/* ===== PREMIUM ANIMATION KEYFRAMES ===== */

@keyframes premiumSlideIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes premiumFadeIn {
  0% {
    opacity: 0;
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes medicalPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(26, 43, 92, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(26, 43, 92, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(26, 43, 92, 0);
  }
}

@keyframes painIntensityGlow {
  0%, 100% {
    filter: drop-shadow(0 0 8px currentColor);
  }
  50% {
    filter: drop-shadow(0 0 16px currentColor);
  }
}

@keyframes successCheckmark {
  0% {
    stroke-dasharray: 0, 100;
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dasharray: 100, 0;
    stroke-dashoffset: 0;
  }
}

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

@keyframes medicalHeartbeat {
  0%, 100% {
    transform: scale(1);
  }
  15% {
    transform: scale(1.05);
  }
  30% {
    transform: scale(1);
  }
  45% {
    transform: scale(1.08);
  }
  60% {
    transform: scale(1);
  }
}

/* ===== PREMIUM BUTTON SYSTEM ===== */

.premium-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: 12px;
  font-family: inherit;
  font-size: var(--font-medical-medium);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--animation-smooth);
  box-shadow: var(--shadow-normal);
  min-height: 48px;
  min-width: 120px;
  overflow: hidden;
}

.premium-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left var(--animation-smooth);
}

.premium-btn:hover::before {
  left: 100%;
}

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

.premium-btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-normal);
  transition: all 0.1s ease;
}

/* Primary Medical Button */
.premium-btn--primary {
  background: linear-gradient(135deg, var(--medical-primary), var(--medical-primary-light));
  color: white;
}

.premium-btn--primary:hover {
  background: linear-gradient(135deg, var(--medical-primary-light), var(--medical-primary));
  box-shadow: var(--shadow-elevated), 0 0 20px rgba(26, 43, 92, 0.3);
}

/* Success Button */
.premium-btn--success {
  background: linear-gradient(135deg, var(--clinical-success), #4caf50);
  color: white;
}

.premium-btn--success:hover {
  box-shadow: var(--shadow-elevated), 0 0 20px rgba(46, 125, 50, 0.3);
}

/* Warning Button */
.premium-btn--warning {
  background: linear-gradient(135deg, var(--clinical-warning), #ff9800);
  color: white;
}

.premium-btn--warning:hover {
  box-shadow: var(--shadow-elevated), 0 0 20px rgba(245, 124, 0, 0.3);
}

/* ===== PREMIUM CARD SYSTEM ===== */

.medical-card {
  background: var(--surface-elevated);
  border-radius: 16px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-subtle);
  transition: all var(--animation-smooth);
  border: 1px solid rgba(26, 43, 92, 0.08);
  position: relative;
  overflow: hidden;
}

.medical-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--medical-primary), transparent);
}

.medical-card:hover {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px);
  border-color: rgba(26, 43, 92, 0.12);
}

.medical-card--interactive {
  cursor: pointer;
}

.medical-card--interactive:hover {
  background: rgba(26, 43, 92, 0.02);
}

.medical-card--elevated {
  box-shadow: var(--shadow-elevated);
}

.medical-card--premium {
  background: linear-gradient(145deg, #ffffff, #f8f9fa);
  box-shadow: var(--shadow-premium);
}

/* ===== PREMIUM PAIN SCALE SYSTEM ===== */

.pain-scale-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 20px;
  font-size: var(--font-medical-small);
  font-weight: 600;
  transition: all var(--animation-smooth);
  position: relative;
}

.pain-scale-indicator::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transform: translateY(-50%);
  animation: medicalHeartbeat 2s ease-in-out infinite;
}

.pain-scale-0 {
  background: linear-gradient(135deg, var(--pain-none), #f1f8e9);
  color: var(--clinical-success);
}

.pain-scale-0::before {
  background: var(--clinical-success);
}

.pain-scale-1,
.pain-scale-2 {
  background: linear-gradient(135deg, var(--pain-mild), #e8f5e8);
  color: var(--clinical-success);
}

.pain-scale-1::before,
.pain-scale-2::before {
  background: var(--clinical-success);
}

.pain-scale-3,
.pain-scale-4,
.pain-scale-5 {
  background: linear-gradient(135deg, var(--pain-moderate), #fff3e0);
  color: var(--clinical-warning);
}

.pain-scale-3::before,
.pain-scale-4::before,
.pain-scale-5::before {
  background: var(--clinical-warning);
}

.pain-scale-6,
.pain-scale-7,
.pain-scale-8 {
  background: linear-gradient(135deg, var(--pain-severe), #ffebee);
  color: var(--clinical-error);
}

.pain-scale-6::before,
.pain-scale-7::before,
.pain-scale-8::before {
  background: var(--clinical-error);
  animation: painIntensityGlow 1.5s ease-in-out infinite;
}

.pain-scale-9,
.pain-scale-10 {
  background: linear-gradient(135deg, var(--pain-extreme), #ffebee);
  color: white;
  font-weight: 700;
  box-shadow: 0 0 20px rgba(183, 28, 28, 0.3);
}

.pain-scale-9::before,
.pain-scale-10::before {
  background: white;
  animation: painIntensityGlow 1s ease-in-out infinite;
}

/* ===== PREMIUM PROGRESS INDICATORS ===== */

.medical-progress {
  width: 100%;
  height: 8px;
  background: var(--surface-secondary);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.medical-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--medical-primary), var(--medical-primary-light));
  border-radius: 4px;
  transition: width var(--animation-gentle);
  position: relative;
}

.medical-progress__bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: premiumShimmer 2s infinite;
}

.medical-progress--success .medical-progress__bar {
  background: linear-gradient(90deg, var(--clinical-success), #4caf50);
}

.medical-progress--warning .medical-progress__bar {
  background: linear-gradient(90deg, var(--clinical-warning), #ff9800);
}

.medical-progress--error .medical-progress__bar {
  background: linear-gradient(90deg, var(--clinical-error), #f44336);
}

/* ===== PREMIUM FORM CONTROLS ===== */

.medical-input {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid rgba(26, 43, 92, 0.12);
  border-radius: 12px;
  font-size: var(--font-medical-medium);
  font-family: inherit;
  background: var(--surface-elevated);
  transition: all var(--animation-smooth);
  outline: none;
}

.medical-input:focus {
  border-color: var(--medical-primary);
  box-shadow: 0 0 0 4px rgba(26, 43, 92, 0.1);
  background: white;
}

.medical-input:invalid {
  border-color: var(--clinical-error);
}

.medical-input:valid {
  border-color: var(--clinical-success);
}

/* ===== PREMIUM SLIDER SYSTEM ===== */

.medical-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(
    to right,
    var(--pain-extreme) 0%,
    var(--pain-severe) 20%,
    var(--pain-moderate) 40%,
    var(--pain-mild) 60%,
    var(--pain-none) 80%,
    var(--clinical-success) 100%
  );
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  transition: all var(--animation-smooth);
}

.medical-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--medical-primary);
  cursor: pointer;
  border: 3px solid white;
  box-shadow: var(--shadow-normal);
  transition: all var(--animation-smooth);
}

.medical-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--shadow-elevated), 0 0 20px rgba(26, 43, 92, 0.3);
}

.medical-slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--medical-primary);
  cursor: pointer;
  border: 3px solid white;
  box-shadow: var(--shadow-normal);
  transition: all var(--animation-smooth);
}

.medical-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--shadow-elevated), 0 0 20px rgba(26, 43, 92, 0.3);
}

/* ===== PREMIUM LOADING STATES ===== */

.medical-loading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--medical-primary);
  font-size: var(--font-medical-medium);
  font-weight: 500;
}

.medical-loading__spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(26, 43, 92, 0.2);
  border-left-color: var(--medical-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.medical-loading--large .medical-loading__spinner {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* ===== PREMIUM SUCCESS/ERROR STATES ===== */

.medical-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: 8px;
  font-size: var(--font-medical-medium);
  font-weight: 500;
  animation: premiumFadeIn var(--animation-smooth);
}

.medical-status--success {
  background: rgba(46, 125, 50, 0.1);
  color: var(--clinical-success);
  border: 1px solid rgba(46, 125, 50, 0.2);
}

.medical-status--warning {
  background: rgba(245, 124, 0, 0.1);
  color: var(--clinical-warning);
  border: 1px solid rgba(245, 124, 0, 0.2);
}

.medical-status--error {
  background: rgba(198, 40, 40, 0.1);
  color: var(--clinical-error);
  border: 1px solid rgba(198, 40, 40, 0.2);
}

.medical-status--info {
  background: rgba(25, 118, 210, 0.1);
  color: var(--clinical-info);
  border: 1px solid rgba(25, 118, 210, 0.2);
}

/* ===== PREMIUM ANIMATIONS ===== */

.animate-slide-in {
  animation: premiumSlideIn var(--animation-smooth) ease-out;
}

.animate-fade-in {
  animation: premiumFadeIn var(--animation-smooth) ease-out;
}

.animate-pulse {
  animation: medicalPulse 2s infinite;
}

/* ===== PREMIUM MODAL SYSTEM ===== */

.medical-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--animation-smooth);
}

.medical-modal.active {
  opacity: 1;
  visibility: visible;
}

.medical-modal__content {
  background: var(--surface-elevated);
  border-radius: 16px;
  padding: var(--space-xl);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-premium);
  transform: scale(0.95) translateY(20px);
  transition: all var(--animation-smooth);
}

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

/* ===== RESPONSIVE OPTIMIZATIONS ===== */

@media (max-width: 768px) {
  :root {
    --space-md: 12px;
    --space-lg: 20px;
    --space-xl: 28px;
  }
  
  .premium-btn {
    min-height: 44px;
    padding: var(--space-sm) var(--space-md);
  }
  
  .medical-card {
    padding: var(--space-md);
  }
  
  .medical-modal {
    padding: var(--space-md);
  }
  
  .medical-modal__content {
    padding: var(--space-lg);
  }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface-primary: #1a1a1a;
    --surface-secondary: #2a2a2a;
    --surface-elevated: #2a2a2a;
    --surface-overlay: rgba(255, 255, 255, 0.08);
  }
  
  .medical-card {
    background: var(--surface-elevated);
    border-color: rgba(255, 255, 255, 0.12);
  }
  
  .medical-input {
    background: var(--surface-elevated);
    border-color: rgba(255, 255, 255, 0.12);
    color: white;
  }
}

/* Focus visibility for keyboard navigation */
.premium-btn:focus-visible,
.medical-card:focus-visible,
.medical-input:focus-visible,
.medical-slider:focus-visible {
  outline: 2px solid var(--medical-primary);
  outline-offset: 2px;
}