/* ============================================================
   PLATINUM CATÁLOGO PREMIUM - Elegant Theme
   Laboratorio Clínico Platinum | Monalisa Media
   ============================================================ */

:root {
  --plat-primary:     #C4E0E6;
  --plat-primary-dark:#5ba8b8;
  --plat-secondary:   #464646;
  --plat-accent:      #5ba8b8;
  --plat-white:       #ffffff;
  --plat-off-white:   #f8fafc;
  --plat-light-bg:    #f0f8fa;
  --plat-border:      #d6edf1;
  --plat-text:        #2d3748;
  --plat-text-muted:  #718096;
  --plat-success:     #48bb78;
  --plat-warning:     #f6ad55;
  --plat-shadow:      0 4px 24px rgba(196,224,230,0.25);
  --plat-shadow-sm:   0 2px 8px rgba(0,0,0,0.08);
  --plat-radius:      14px;
  --plat-radius-sm:   8px;
  --plat-font:        'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --plat-transition:  all 0.22s cubic-bezier(0.4,0,0.2,1);
}

.platinum-catalog * { box-sizing: border-box; margin: 0; padding: 0; }
.platinum-catalog { font-family: var(--plat-font); color: var(--plat-text); background: var(--plat-off-white); border-radius: var(--plat-radius); overflow: hidden; }

/* HERO */
.plat-catalog-hero { background: linear-gradient(135deg, var(--plat-secondary) 0%, #2d3748 60%, #3a5060 100%); color: var(--plat-white); padding: 40px 32px; }
.plat-catalog-hero-inner { max-width: 900px; display: flex; align-items: center; gap: 20px; }
.plat-logo-icon { color: var(--plat-primary); flex-shrink: 0; opacity: 0.9; }
.plat-hero-text h1 { font-size: clamp(22px, 3vw, 34px); font-weight: 800; letter-spacing: -0.5px; color: var(--plat-white); line-height: 1.2; }
.plat-hero-text p { font-size: 14px; color: var(--plat-primary); margin-top: 6px; font-weight: 400; opacity: 0.9; }

/* SEARCH ZONE */
.plat-search-zone { background: var(--plat-white); border-bottom: 1px solid var(--plat-border); padding: 20px 24px; position: sticky; top: 0; z-index: 100; box-shadow: var(--plat-shadow-sm); }
.plat-search-inner { max-width: 900px; margin: 0 auto; }
.plat-search-box { position: relative; display: flex; align-items: center; }
.plat-search-icon { position: absolute; left: 14px; width: 20px; height: 20px; color: var(--plat-text-muted); pointer-events: none; flex-shrink: 0; }
#platinum-search-input { width: 100%; padding: 13px 40px 13px 44px; border: 2px solid var(--plat-border); border-radius: 50px; font-family: var(--plat-font); font-size: 15px; color: var(--plat-text); background: var(--plat-off-white); transition: var(--plat-transition); outline: none; }
#platinum-search-input:focus { border-color: var(--plat-accent); background: var(--plat-white); box-shadow: 0 0 0 3px rgba(91,168,184,0.12); }
#platinum-search-input::placeholder { color: var(--plat-text-muted); }
.plat-search-clear { position: absolute; right: 14px; background: var(--plat-text-muted); color: white; border: none; border-radius: 50%; width: 22px; height: 22px; font-size: 11px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--plat-transition); }
.plat-search-clear:hover { background: var(--plat-secondary); }

/* FILTER ROW */
.plat-filter-row { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }
#platinum-filter-specialty { padding: 8px 14px; border: 2px solid var(--plat-border); border-radius: 8px; font-family: var(--plat-font); font-size: 13px; color: var(--plat-text); background: var(--plat-white); cursor: pointer; outline: none; transition: var(--plat-transition); min-width: 220px; }
#platinum-filter-specialty:focus { border-color: var(--plat-accent); }

/* VIEW TOGGLE */
.plat-view-toggle { display: flex; gap: 4px; background: var(--plat-off-white); border: 1px solid var(--plat-border); border-radius: 8px; padding: 3px; }
.plat-view-btn { display: flex; align-items: center; gap: 6px; padding: 6px 14px; border: none; border-radius: 6px; font-family: var(--plat-font); font-size: 12px; font-weight: 500; color: var(--plat-text-muted); cursor: pointer; transition: var(--plat-transition); background: transparent; }
.plat-view-btn.active { background: var(--plat-white); color: var(--plat-secondary); box-shadow: var(--plat-shadow-sm); }
.plat-view-btn svg { opacity: 0.7; }
.plat-view-btn.active svg { opacity: 1; }

/* SEARCH RESULTS */
.plat-search-results { padding: 24px; }
.plat-search-results-inner { max-width: 1100px; margin: 0 auto; }
.plat-results-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
#platinum-results-count { font-size: 14px; font-weight: 600; color: var(--plat-secondary); }
.plat-back-btn { padding: 7px 16px; background: var(--plat-off-white); border: 1px solid var(--plat-border); border-radius: 8px; font-family: var(--plat-font); font-size: 13px; cursor: pointer; color: var(--plat-text); transition: var(--plat-transition); }
.plat-back-btn:hover { background: var(--plat-primary); border-color: var(--plat-primary); }

/* LAYOUT */
.plat-catalog-content { padding: 0; }
.plat-catalog-layout { display: grid; grid-template-columns: 240px 1fr; min-height: 600px; }

/* SIDEBAR */
.plat-sidebar { background: var(--plat-white); border-right: 1px solid var(--plat-border); }
.plat-sidebar-inner { position: sticky; top: 80px; max-height: calc(100vh - 100px); overflow-y: auto; padding: 20px 0; }
.plat-sidebar-inner::-webkit-scrollbar { width: 4px; }
.plat-sidebar-inner::-webkit-scrollbar-track { background: transparent; }
.plat-sidebar-inner::-webkit-scrollbar-thumb { background: var(--plat-border); border-radius: 2px; }
.plat-sidebar-title { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--plat-text-muted); padding: 0 18px 10px; }
.plat-nav-item { display: flex; align-items: center; justify-content: space-between; padding: 9px 18px; font-size: 12.5px; font-weight: 500; color: var(--plat-text-muted); text-decoration: none; transition: var(--plat-transition); border-left: 3px solid transparent; gap: 8px; }
.plat-nav-item:hover { color: var(--plat-secondary); background: var(--plat-light-bg); border-left-color: var(--plat-primary); }
.plat-nav-item.active { color: var(--plat-secondary); background: var(--plat-light-bg); border-left-color: var(--plat-accent); font-weight: 600; }
.plat-nav-name { flex: 1; line-height: 1.3; }
.plat-nav-count { font-size: 10px; background: var(--plat-light-bg); color: var(--plat-text-muted); padding: 2px 7px; border-radius: 10px; white-space: nowrap; flex-shrink: 0; }
.plat-nav-item.active .plat-nav-count { background: var(--plat-primary); }

/* SECTIONS */
.plat-sections { padding: 28px 24px; display: flex; flex-direction: column; gap: 32px; }
.plat-section { background: var(--plat-white); border-radius: var(--plat-radius); box-shadow: var(--plat-shadow-sm); overflow: hidden; }
.plat-section-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; background: linear-gradient(135deg, var(--plat-light-bg), var(--plat-white)); border-bottom: 1px solid var(--plat-border); gap: 12px; flex-wrap: wrap; }
.plat-section-title-wrap { display: flex; align-items: center; gap: 14px; }
.plat-section-icon { width: 40px; height: 40px; background: var(--plat-primary); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--plat-secondary); flex-shrink: 0; padding: 8px; }
.plat-section-icon svg { width: 22px; height: 22px; stroke-width: 2; }
.plat-section-title { font-size: 17px; font-weight: 700; color: var(--plat-secondary); }
.plat-section-desc { font-size: 12px; color: var(--plat-text-muted); margin-top: 3px; font-weight: 400; }
.plat-section-count { font-size: 11px; background: var(--plat-primary); color: var(--plat-secondary); padding: 5px 12px; border-radius: 20px; font-weight: 600; white-space: nowrap; flex-shrink: 0; }

/* TABLE */
.plat-table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.plat-exams-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.plat-exams-table thead tr { background: var(--plat-secondary); }
.plat-exams-table thead th { color: var(--plat-white); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px; padding: 11px 16px; text-align: left; white-space: nowrap; }
.plat-exams-table tbody tr { border-bottom: 1px solid var(--plat-border); transition: var(--plat-transition); }
.plat-exams-table tbody tr:hover { background: var(--plat-light-bg); }
.plat-exams-table tbody tr:last-child { border-bottom: none; }
.plat-exams-table td { padding: 11px 16px; vertical-align: top; line-height: 1.4; color: var(--plat-text); }

/* COLUMN WIDTHS */
.plat-col-name   { min-width: 220px; width: 30%; }
.plat-col-entrega{ width: 100px; }
.plat-col-ayuno  { width: 90px; }
.plat-col-reqs   { min-width: 200px; }
.plat-col-method,.plat-reqs-col { min-width: 160px; }

/* BADGES */
.plat-entrega-badge { display: inline-block; background: var(--plat-light-bg); color: var(--plat-secondary); padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; white-space: nowrap; border: 1px solid var(--plat-border); }
.plat-ayuno-yes { display: inline-block; background: #fff7ed; color: #c05621; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; border: 1px solid #fed7aa; }
.plat-ayuno-no  { display: inline-block; background: #f0fff4; color: #276749; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; border: 1px solid #c6f6d5; }
.plat-exam-name { font-weight: 500; }
.plat-exam-title { font-weight: 500; color: var(--plat-secondary); }
.plat-exam-method { font-size: 11.5px; color: var(--plat-text-muted); font-style: italic; }
.plat-exam-reqs { font-size: 12px; color: var(--plat-text-muted); }

/* VIEW MODES */
.plat-mode-paciente .plat-medico-only { display: none; }
.plat-mode-paciente .plat-tipo-medico { display: none; }
.plat-mode-medico .plat-medico-only { display: table-cell; }

/* WHATSAPP FAB */
.plat-whatsapp-fab { position: fixed; bottom: 28px; right: 28px; z-index: 999; display: flex; align-items: center; gap: 10px; background: #25d366; color: white; padding: 12px 18px; border-radius: 50px; text-decoration: none; font-family: var(--plat-font); font-size: 13px; font-weight: 600; box-shadow: 0 4px 20px rgba(37,211,102,0.4); transition: var(--plat-transition); }
.plat-whatsapp-fab:hover { background: #20b958; box-shadow: 0 6px 28px rgba(37,211,102,0.5); transform: translateY(-2px); color: white; text-decoration: none; }
.plat-whatsapp-fab span { white-space: nowrap; }

/* HIGHLIGHT */
.plat-highlight { background: var(--plat-primary); border-radius: 3px; padding: 1px 2px; }

/* LOADING */
.plat-loading { text-align: center; padding: 40px; color: var(--plat-text-muted); }
.plat-loading::after { content: ''; display: inline-block; width: 24px; height: 24px; border: 3px solid var(--plat-border); border-top-color: var(--plat-accent); border-radius: 50%; animation: plat-spin 0.7s linear infinite; margin-left: 10px; vertical-align: middle; }
@keyframes plat-spin { to { transform: rotate(360deg); } }

/* NO RESULTS */
.plat-no-results { text-align: center; padding: 48px 24px; }
.plat-no-results-icon { font-size: 48px; margin-bottom: 12px; }
.plat-no-results h3 { font-size: 18px; color: var(--plat-secondary); margin-bottom: 8px; }
.plat-no-results p { color: var(--plat-text-muted); font-size: 14px; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .plat-catalog-layout { grid-template-columns: 1fr; }
  .plat-sidebar { display: none; }
  .plat-hero-text h1 { font-size: 22px; }
  .plat-catalog-hero { padding: 24px 20px; }
  .plat-search-zone { padding: 16px; }
  .plat-sections { padding: 16px; gap: 20px; }
  .plat-section-header { padding: 14px 16px; }
  .plat-exams-table td, .plat-exams-table th { padding: 9px 12px; }
  .plat-col-method { display: none; }
  .plat-whatsapp-fab span { display: none; }
  .plat-whatsapp-fab { padding: 14px; border-radius: 50%; }
}
@media (max-width: 600px) {
  .plat-filter-row { flex-direction: column; align-items: stretch; }
  #platinum-filter-specialty { min-width: unset; width: 100%; }
  .plat-col-reqs { display: none; }
  .plat-results-header { flex-direction: column; align-items: flex-start; }
}