/* CareNow UI v2.2 — Clean & Fixed */

:root {
  /* Modern Teal Palette */
  --cn-primary: #0f766e;    /* teal-700 */
  --cn-primary-light: #14b8a6; /* teal-500 */
  --cn-accent: #059669;     /* emerald-600 */
  
  --cn-bg: #f8fafc;         /* slate-50 */
  --cn-surface: #ffffff;
  --cn-text: #0f172a;       /* slate-900 */
  --cn-muted: #64748b;      /* slate-500 */
  --cn-border: #e2e8f0;     /* slate-200 */

  /* Shadows & Radius */
  --cn-shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --cn-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --cn-shadow-lg: 0 10px 15px -3px rgba(13, 148, 136, 0.15);
  --cn-radius: 12px;
}

/* Global Reset */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Lexend', system-ui, sans-serif;
  color: var(--cn-text);
  background-color: var(--cn-bg);
}

/* --- Container System (Responsive Margins/Padding) --- */
.cn-container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;  /* 16px mobile */
  padding-right: 1rem;
}

@media (min-width: 640px) { /* Tablet */
  .cn-container { padding-left: 2rem; padding-right: 2rem; max-width: 640px; }
}
@media (min-width: 768px) { /* Laptop */
  .cn-container { max-width: 768px; }
}
@media (min-width: 1024px) { /* Desktop */
  .cn-container { max-width: 1024px; padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 1280px) { /* Large Desktop */
  .cn-container { max-width: 1280px; }
}

/* --- Card Components --- */
.cn-card {
  background: var(--cn-surface);
  border: 1px solid var(--cn-border);
  border-radius: var(--cn-radius);
  box-shadow: var(--cn-shadow-sm);
  transition: all 0.2s ease-in-out;
  overflow: hidden;
}

.cn-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--cn-shadow-lg);
  border-color: var(--cn-primary-light);
}

/* --- Buttons --- */
.cn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
  cursor: pointer;
}

.cn-btn-primary {
  background: linear-gradient(135deg, var(--cn-primary), var(--cn-accent));
  color: white;
  border: none;
  box-shadow: 0 4px 6px -1px rgba(13, 148, 136, 0.3);
}
.cn-btn-primary:hover {
  opacity: 0.95;
  box-shadow: 0 6px 8px -1px rgba(13, 148, 136, 0.4);
}
.cn-btn-primary:active { transform: scale(0.98); }

.cn-btn-outline {
  background: white;
  color: var(--cn-text);
  border: 1px solid var(--cn-border);
}
.cn-btn-outline:hover {
  border-color: var(--cn-primary);
  color: var(--cn-primary);
  background-color: #f0fdfa;
}

/* --- Forms & Inputs --- */
input, select, textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--cn-border);
  border-radius: 0.75rem;
  background-color: white;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--cn-primary-light);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
}

/* --- Badges --- */
.cn-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}
.cn-badge-approved {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

/* --- Section Spacing --- */
.cn-section {
  padding-top: 3rem;
  padding-bottom: 3rem;
}
@media (min-width: 768px) {
  .cn-section {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
}

/* --- Utilities --- */
.cn-scroll {
  scrollbar-width: thin;
  scrollbar-color: var(--cn-primary-light) #f1f5f9;
}
.cn-scroll::-webkit-scrollbar { width: 6px; }
.cn-scroll::-webkit-scrollbar-track { background: #f1f5f9; border-radius: 4px; }
.cn-scroll::-webkit-scrollbar-thumb { background-color: var(--cn-primary-light); border-radius: 4px; }

/* Sticky Mobile Button */
.cn-mobile-sticky {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 50;
  box-shadow: 0 -4px 6px -1px rgba(0,0,0,0.1);
  display: none;
}
@media (max-width: 768px) {
  .cn-mobile-sticky { display: block; }
}

header {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
}