/* AltMed Sourcing — Complete Stylesheet */

/* === RESET === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased}
img,picture,video,canvas,svg{display:block;max-width:100%}
input,button,textarea,select{font:inherit}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none}
table{border-collapse:collapse}

/* === VARIABLES === */
:root{
  --midnight:#0c1222;
  --midnight-light:#111a2e;
  --midnight-lighter:#162035;
  --steel:#8a9bae;
  --steel-light:#a8b5c4;
  --steel-dark:#6b7d91;
  --copper:#c27849;
  --copper-light:#d4956e;
  --copper-dark:#a5613a;
  --ice:#e8edf4;
  --ice-dim:#c5cdd8;
  --signal:#3d8eff;
  --signal-light:#6aabff;
  --signal-dark:#2a6fd4;
  --bg-primary:var(--midnight);
  --bg-secondary:var(--midnight-light);
  --bg-card:rgba(138,155,174,0.06);
  --text-primary:var(--ice);
  --text-secondary:var(--steel);
  --border:rgba(138,155,174,0.12);
  --border-hover:rgba(138,155,174,0.25);
  --success:#2ecc71;
  --success-bg:rgba(46,204,113,0.08);
  --warning:#f39c12;
  --warning-bg:rgba(243,156,18,0.08);
  --danger:#e74c3c;
  --danger-bg:rgba(231,76,60,0.08);
  --info-bg:rgba(61,142,255,0.06);
  --font-display:'Space Grotesk','Inter',system-ui,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,sans-serif;
  --font-mono:'IBM Plex Mono','Courier New',monospace;
  --nav-height:64px;
  --ease:cubic-bezier(0.4,0,0.2,1);
  --duration:200ms;
}

/* === TYPOGRAPHY === */
body{font-family:var(--font-body);font-size:0.875rem;color:var(--ice);background:var(--midnight)}
h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:500;line-height:1.25;color:var(--ice)}
h1{font-size:2.25rem} h2{font-size:1.75rem} h3{font-size:1.5rem} h4{font-size:1.25rem}
p{color:var(--steel);line-height:1.65}
::selection{background:rgba(194,120,73,0.3);color:var(--ice)}
::-webkit-scrollbar{width:6px} ::-webkit-scrollbar-track{background:var(--bg-secondary)} ::-webkit-scrollbar-thumb{background:var(--steel-dark);border-radius:3px}

/* === UTILITY === */
.container{max-width:1200px;margin:0 auto;padding:0 2rem}
.container-narrow{max-width:800px;margin:0 auto;padding:0 2rem}
.hidden{display:none!important}
.text-center{text-align:center}
.text-copper{color:var(--copper)} .text-signal{color:var(--signal)} .text-success{color:var(--success)} .text-warning{color:var(--warning)} .text-danger{color:var(--danger)} .text-steel{color:var(--steel)}
.mt-sm{margin-top:0.5rem} .mt-md{margin-top:1rem} .mt-lg{margin-top:1.5rem} .mt-xl{margin-top:2rem}
.mb-sm{margin-bottom:0.5rem} .mb-md{margin-bottom:1rem} .mb-lg{margin-bottom:1.5rem} .mb-xl{margin-bottom:2rem}
.label{font-size:0.6875rem;font-weight:500;letter-spacing:0.2em;text-transform:uppercase;color:var(--copper)}

/* === NAV === */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:rgba(12,18,34,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:0.5px solid var(--border);z-index:1000}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 2rem;height:100%;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo-mark{width:32px;height:32px;position:relative;flex-shrink:0}
.nav-logo-corner-tl{position:absolute;top:0;left:0;width:32px;height:2px;background:var(--copper)}
.nav-logo-corner-tl::after{content:'';position:absolute;top:0;left:0;width:2px;height:32px;background:var(--copper)}
.nav-logo-corner-br{position:absolute;bottom:0;right:0;width:32px;height:2px;background:var(--signal)}
.nav-logo-corner-br::after{content:'';position:absolute;bottom:0;right:0;width:2px;height:32px;background:var(--signal)}
.nav-logo-text{font-family:var(--font-display);font-size:15px;font-weight:500;letter-spacing:0.25em;color:var(--ice);text-transform:uppercase}
.nav-logo-sub{font-size:0.6875rem;font-weight:400;letter-spacing:0.15em;color:var(--steel);text-transform:uppercase;margin-left:-4px}
.nav-links{display:flex;align-items:center;gap:1.5rem}
.nav-link{font-size:12px;color:var(--steel);letter-spacing:0.08em;transition:color var(--duration) var(--ease);position:relative}
.nav-link:hover,.nav-link.active{color:var(--ice)}
.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--copper);transition:width var(--duration) var(--ease)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link-accent{color:var(--copper)} .nav-link-accent:hover{color:var(--copper-light)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:4px}
.nav-toggle span{width:20px;height:1.5px;background:var(--steel);transition:all var(--duration) var(--ease)}
.nav-portal-links{display:flex;align-items:center;gap:1rem}
.nav-portal-link{font-size:12px;color:var(--steel);letter-spacing:0.06em;padding:6px 12px;border-radius:4px;transition:all var(--duration) var(--ease)}
.nav-portal-link:hover{color:var(--ice);background:var(--bg-card)}
.nav-portal-link.active{color:var(--ice);background:rgba(194,120,73,0.1)}
.nav-user{display:flex;align-items:center;gap:0.5rem}
.nav-user-name{font-size:0.8125rem;color:var(--steel)}
.nav-user-avatar{width:32px;height:32px;border-radius:50%;background:rgba(194,120,73,0.15);display:flex;align-items:center;justify-content:center;font-size:0.6875rem;font-weight:500;color:var(--copper)}

/* === PAGE === */
.page{padding-top:var(--nav-height);min-height:100vh}
.page-section{padding:4rem 0}
.page-section + .page-section{border-top:0.5px solid var(--border)}

/* === HERO === */
.hero{position:relative;min-height:calc(100vh - var(--nav-height));display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(138,155,174,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(138,155,174,0.04) 1px,transparent 1px);background-size:60px 60px;pointer-events:none}
.hero::after{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(194,120,73,0.06) 0%,transparent 70%);pointer-events:none}
.hero-content{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:4rem 2rem;width:100%}
.hero-eyebrow{font-size:0.6875rem;font-weight:500;letter-spacing:0.2em;text-transform:uppercase;color:var(--copper);margin-bottom:1rem}
.hero-title{font-family:var(--font-display);font-size:3rem;font-weight:500;color:var(--ice);line-height:1.15;margin-bottom:1.5rem;max-width:600px}
.hero-desc{font-size:1rem;color:var(--steel);line-height:1.65;max-width:520px;margin-bottom:2rem}
.hero-actions{display:flex;gap:12px;align-items:center}

/* === STATS BAR === */
.stats-bar{border-top:0.5px solid var(--border);background:rgba(12,18,34,0.6)}
.stats-bar-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
.stats-bar-item{padding:1.25rem 1.5rem;border-right:0.5px solid var(--border)}
.stats-bar-item:last-child{border-right:none}
.stats-bar-value{font-family:var(--font-display);font-size:1.5rem;font-weight:500;color:var(--ice)}
.stats-bar-label{font-size:0.6875rem;color:var(--steel);margin-top:4px;letter-spacing:0.04em;line-height:1.5}

/* === BUTTONS === */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;font-size:0.8125rem;font-weight:500;letter-spacing:0.04em;border-radius:4px;transition:all var(--duration) var(--ease);white-space:nowrap}
.btn-primary{background:var(--copper);color:var(--midnight)} .btn-primary:hover{background:var(--copper-light);transform:translateY(-1px)}
.btn-secondary{background:transparent;color:var(--steel);border:0.5px solid var(--border-hover)} .btn-secondary:hover{color:var(--ice);background:var(--bg-card)}
.btn-signal{background:var(--signal);color:#fff}
.btn-ghost{background:transparent;color:var(--steel);padding:8px 16px} .btn-ghost:hover{color:var(--ice);background:var(--bg-card)}
.btn-sm{padding:6px 14px;font-size:0.6875rem}
.btn-lg{padding:14px 32px;font-size:0.875rem}
.btn-block{width:100%}
.btn:disabled,.btn.disabled{opacity:0.4;pointer-events:none}

/* === CARDS === */
.card{background:var(--bg-card);border:0.5px solid var(--border);border-radius:6px;padding:1.5rem;transition:border-color var(--duration) var(--ease)}
.card:hover{border-color:var(--border-hover)}
.card-elevated{background:var(--bg-secondary);border:0.5px solid var(--border);border-radius:8px;padding:1.5rem 2rem}
.card-signal{border-left:2px solid var(--signal);background:var(--info-bg)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.card-title{font-size:1rem;font-weight:500;color:var(--ice)}
.card-subtitle{font-size:0.6875rem;color:var(--steel);margin-top:2px}

/* === STAT CARDS === */
.stat-card{background:var(--bg-card);border:0.5px solid var(--border);border-radius:6px;padding:1.5rem}
.stat-card-value{font-family:var(--font-display);font-size:1.5rem;font-weight:500;color:var(--ice)}
.stat-card-label{font-size:0.6875rem;color:var(--steel);margin-top:4px;letter-spacing:0.04em}

/* === FORMS === */
.form-group{margin-bottom:1.5rem}
.form-label{display:block;font-size:0.6875rem;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;color:var(--steel);margin-bottom:0.5rem}
.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;font-size:0.875rem;color:var(--ice);background:var(--bg-secondary);border:0.5px solid var(--border);border-radius:4px;transition:all var(--duration) var(--ease);outline:none}
.form-input:hover,.form-select:hover,.form-textarea:hover{border-color:var(--border-hover)}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--copper);box-shadow:0 0 0 2px rgba(194,120,73,0.15)}
.form-input::placeholder{color:var(--steel-dark)}
.form-textarea{min-height:120px;resize:vertical}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%238a9bae' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.form-hint{font-size:0.6875rem;color:var(--steel-dark);margin-top:4px}
.form-error{font-size:0.6875rem;color:var(--danger);margin-top:4px}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.form-checkbox{display:flex;align-items:flex-start;gap:0.5rem;cursor:pointer}
.form-checkbox input[type="checkbox"]{width:16px;height:16px;accent-color:var(--copper);margin-top:2px;flex-shrink:0}
.form-checkbox-label{font-size:0.8125rem;color:var(--steel);line-height:1.5}

/* === BADGES === */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;font-size:0.6875rem;font-weight:500;letter-spacing:0.04em;border-radius:100px}
.badge-copper{background:rgba(194,120,73,0.12);color:var(--copper-light)}
.badge-signal{background:rgba(61,142,255,0.12);color:var(--signal-light)}
.badge-success{background:var(--success-bg);color:var(--success)}
.badge-warning{background:var(--warning-bg);color:var(--warning)}
.badge-danger{background:var(--danger-bg);color:var(--danger)}
.badge-steel{background:rgba(138,155,174,0.1);color:var(--steel)}
.tier-bronze{background:rgba(176,141,87,0.12);color:#b08d57}
.tier-silver{background:rgba(170,180,190,0.12);color:#aab6be}
.tier-gold{background:rgba(212,175,55,0.12);color:#d4af37}
.tier-platinum{background:rgba(180,200,220,0.12);color:#b4c8dc}

/* === TABLES === */
.table-wrap{overflow-x:auto;border:0.5px solid var(--border);border-radius:6px}
.table{width:100%;font-size:0.8125rem}
.table th{padding:12px 16px;font-size:0.6875rem;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:var(--steel);background:var(--bg-secondary);text-align:left;border-bottom:0.5px solid var(--border)}
.table td{padding:12px 16px;color:var(--ice);border-bottom:0.5px solid var(--border)}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:var(--bg-card)}

/* === OVERLAY / MODAL === */
.overlay{position:fixed;inset:0;background:rgba(12,18,34,0.85);backdrop-filter:blur(8px);z-index:2000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all var(--duration) var(--ease)}
.overlay.open{opacity:1;visibility:visible}
.modal{background:var(--bg-secondary);border:0.5px solid var(--border);border-radius:8px;padding:2rem;max-width:560px;width:90%;max-height:85vh;overflow-y:auto;transform:translateY(20px);transition:transform var(--duration) var(--ease)}
.overlay.open .modal{transform:translateY(0)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;color:var(--steel);border-radius:4px;font-size:1.25rem;transition:all var(--duration) var(--ease)}
.modal-close:hover{color:var(--ice);background:var(--bg-card)}

/* === TOAST === */
.toast{position:fixed;top:calc(var(--nav-height) + 1rem);right:1rem;background:var(--bg-secondary);border:0.5px solid var(--border);border-radius:6px;padding:12px 20px;font-size:0.8125rem;color:var(--ice);z-index:3000;transform:translateX(120%);transition:transform 0.4s var(--ease)}
.toast.show{transform:translateX(0)}
.toast-success{border-left:2px solid var(--success)}
.toast-warning{border-left:2px solid var(--warning)}
.toast-danger{border-left:2px solid var(--danger)}
.toast-info{border-left:2px solid var(--signal)}

/* === EMPTY STATE === */
.empty-state{text-align:center;padding:3rem 2rem}
.empty-state-icon{width:48px;height:48px;margin:0 auto 1rem;border-radius:6px;background:var(--bg-card);display:flex;align-items:center;justify-content:center;color:var(--steel)}
.empty-state-title{font-size:1rem;font-weight:500;color:var(--ice);margin-bottom:0.25rem}
.empty-state-desc{font-size:0.8125rem;color:var(--steel);max-width:360px;margin:0 auto}

/* === SPINNER === */
.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--copper);border-radius:50%;animation:spin 0.6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-bar{height:2px;background:var(--border);border-radius:1px;overflow:hidden}
.loading-bar::after{content:'';display:block;height:100%;width:30%;background:var(--copper);border-radius:1px;animation:loading-slide 1.2s ease-in-out infinite}
@keyframes loading-slide{0%{transform:translateX(-100%)}100%{transform:translateX(400%)}}

/* === CATEGORIES === */
.categories{padding:3rem 0}
.categories-inner{max-width:1200px;margin:0 auto;padding:0 2rem}
.category-card{background:var(--bg-card);border:0.5px solid var(--border);border-radius:6px;padding:1.5rem;transition:all var(--duration) var(--ease)}
.category-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}
.category-icon{width:28px;height:28px;border-radius:4px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.category-icon-signal{background:rgba(61,142,255,0.12)}
.category-icon-copper{background:rgba(194,120,73,0.12)}
.category-icon-steel{background:rgba(138,155,174,0.12)}
.category-card-title{font-size:0.8125rem;font-weight:500;color:var(--ice);margin-bottom:4px}
.category-card-desc{font-size:0.6875rem;color:var(--steel);line-height:1.5}

/* === SOURCE SECTIONS === */
.source-sections{border-top:0.5px solid var(--border)}
.source-section{padding:3rem 0;border-bottom:0.5px solid var(--border)}
.source-section:last-child{border-bottom:none}
.source-section-inner{max-width:1200px;margin:0 auto;padding:0 2rem;display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.source-eyebrow{font-size:0.6875rem;font-weight:500;letter-spacing:0.2em;text-transform:uppercase;color:var(--copper);margin-bottom:1rem}
.source-title{font-family:var(--font-display);font-size:1.75rem;font-weight:500;color:var(--ice);margin-bottom:1rem}
.source-desc{font-size:0.875rem;color:var(--steel);line-height:1.7;margin-bottom:1.5rem}
.source-features{display:flex;flex-direction:column;gap:0.5rem}
.source-feature{display:flex;align-items:center;gap:0.5rem;font-size:0.8125rem;color:var(--steel)}
.source-feature::before{content:'';width:6px;height:6px;border:1px solid var(--copper);border-radius:1px;transform:rotate(45deg);flex-shrink:0}
.source-visual{aspect-ratio:4/3;background:var(--bg-card);border:0.5px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden}

/* === DOC BANNER === */
.doc-banner{background:var(--info-bg);border-top:0.5px solid var(--border);padding:1.5rem 0}
.doc-banner-inner{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;align-items:flex-start;gap:1rem}
.doc-banner-icon{width:28px;height:28px;min-width:28px;border-radius:4px;background:rgba(61,142,255,0.1);display:flex;align-items:center;justify-content:center}
.doc-banner-title{font-size:0.8125rem;font-weight:500;color:var(--ice);margin-bottom:4px}
.doc-banner-desc{font-size:0.6875rem;color:var(--steel);line-height:1.5}

/* === GRID === */
.grid{display:grid;gap:1rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* === PORTAL === */
.portal{padding-top:var(--nav-height);min-height:100vh}
.portal-header{padding:2rem 0;border-bottom:0.5px solid var(--border)}
.portal-header-inner{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between}
.portal-title{font-family:var(--font-display);font-size:1.5rem;font-weight:500;color:var(--ice)}
.portal-subtitle{font-size:0.8125rem;color:var(--steel);margin-top:2px}
.portal-body{max-width:1200px;margin:0 auto;padding:2rem}
.dash-welcome{margin-bottom:2rem}
.dash-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:2rem}
.dash-quick-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:2rem}
.quick-action{background:var(--bg-card);border:0.5px solid var(--border);border-radius:6px;padding:1.5rem;cursor:pointer;transition:all var(--duration) var(--ease)}
.quick-action:hover{border-color:var(--border-hover);transform:translateY(-1px)}
.quick-action-title{font-size:0.8125rem;font-weight:500;color:var(--ice);margin-bottom:4px}
.quick-action-desc{font-size:0.6875rem;color:var(--steel)}

/* === CATALOGUE === */
.catalogue-controls{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;gap:1rem;flex-wrap:wrap}
.catalogue-filters{display:flex;gap:0.5rem;flex-wrap:wrap}
.filter-btn{padding:6px 14px;font-size:0.6875rem;font-weight:500;letter-spacing:0.06em;color:var(--steel);background:transparent;border:0.5px solid var(--border);border-radius:100px;transition:all var(--duration) var(--ease);text-transform:uppercase}
.filter-btn:hover{border-color:var(--border-hover);color:var(--ice)}
.filter-btn.active{background:rgba(194,120,73,0.1);border-color:rgba(194,120,73,0.3);color:var(--copper)}
.catalogue-search{position:relative}
.catalogue-search input{padding-left:36px;width:240px}
.catalogue-search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--steel-dark)}
.catalogue-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}

/* === PRODUCT CARD === */
.product-card{background:var(--bg-card);border:0.5px solid var(--border);border-radius:6px;overflow:hidden;cursor:pointer;transition:all var(--duration) var(--ease)}
.product-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}
.product-card-img{aspect-ratio:3/2;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.product-card-cat{position:absolute;top:8px;left:8px;font-size:10px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;padding:3px 8px;border-radius:100px;background:rgba(12,18,34,0.8);color:var(--steel-light)}
.product-card-body{padding:1rem}
.product-card-name{font-size:0.8125rem;font-weight:500;color:var(--ice);margin-bottom:4px}
.product-card-spec{font-size:0.6875rem;color:var(--steel);margin-bottom:0.5rem}
.product-card-footer{display:flex;align-items:center;justify-content:space-between}
.product-card-price{font-family:var(--font-display);font-size:1rem;font-weight:500;color:var(--copper)}
.product-card-unit{font-size:0.6875rem;color:var(--steel-dark)}
.product-card-action{padding:6px 12px;font-size:0.6875rem;color:var(--signal);background:rgba(61,142,255,0.08);border-radius:4px;transition:background var(--duration) var(--ease)}
.product-card-action:hover{background:rgba(61,142,255,0.15)}

/* === PRODUCT DETAIL === */
.product-detail{max-width:720px;width:95%}
.product-detail-header{display:flex;gap:1.5rem;margin-bottom:1.5rem}
.product-detail-img{width:200px;height:150px;background:var(--bg-card);border:0.5px solid var(--border);border-radius:6px;flex-shrink:0;overflow:hidden}
.product-detail-specs{display:grid;grid-template-columns:repeat(2,1fr);gap:0.5rem;margin:1.5rem 0}
.spec-item{display:flex;justify-content:space-between;padding:8px 12px;background:var(--bg-card);border-radius:4px}
.spec-item-label{font-size:0.6875rem;color:var(--steel);text-transform:uppercase;letter-spacing:0.06em}
.spec-item-value{font-size:0.8125rem;color:var(--ice);font-weight:500}
.product-detail-compounds{margin:1.5rem 0;border:0.5px solid var(--border);border-radius:6px;overflow:hidden}
.compound-row{display:flex;justify-content:space-between;padding:10px 14px;border-bottom:0.5px solid var(--border);font-size:0.8125rem}
.compound-row:last-child{border-bottom:none}
.compound-name{color:var(--ice)} .compound-pct{color:var(--signal);font-family:var(--font-mono)}
.product-detail-actions{display:flex;gap:0.5rem;margin-top:1.5rem;padding-top:1.5rem;border-top:0.5px solid var(--border)}

/* === CART === */
.cart-item{display:grid;grid-template-columns:80px 1fr auto auto auto;gap:1rem;align-items:center;padding:1rem 0;border-bottom:0.5px solid var(--border)}
.cart-item-img{width:80px;height:60px;background:var(--bg-card);border-radius:4px}
.cart-item-name{font-size:0.8125rem;font-weight:500;color:var(--ice)}
.cart-item-spec{font-size:0.6875rem;color:var(--steel)}
.cart-qty{display:flex;align-items:center;gap:0.5rem;border:0.5px solid var(--border);border-radius:4px;padding:4px}
.cart-qty button{width:28px;height:28px;display:flex;align-items:center;justify-content:center;color:var(--steel);border-radius:4px}
.cart-qty button:hover{color:var(--ice);background:var(--bg-card)}
.cart-qty-value{font-size:0.8125rem;font-weight:500;color:var(--ice);min-width:28px;text-align:center}
.cart-item-total{font-family:var(--font-display);font-size:1rem;font-weight:500;color:var(--ice);text-align:right}
.cart-item-remove{color:var(--steel-dark)} .cart-item-remove:hover{color:var(--danger)}
.cart-summary{background:var(--bg-card);border:0.5px solid var(--border);border-radius:6px;padding:1.5rem;max-width:400px;margin-left:auto}
.cart-summary-row{display:flex;justify-content:space-between;padding:8px 0;font-size:0.8125rem;color:var(--steel)}
.cart-summary-total{display:flex;justify-content:space-between;padding:1rem 0 0;margin-top:0.5rem;border-top:0.5px solid var(--border);font-size:1rem;font-weight:500;color:var(--ice)}

/* === COA === */
.coa-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}
.coa-card{background:var(--bg-card);border:0.5px solid var(--border);border-radius:6px;padding:1rem;display:flex;align-items:center;gap:1rem;transition:border-color var(--duration) var(--ease)}
.coa-card:hover{border-color:var(--border-hover)}
.coa-icon{width:40px;height:40px;background:rgba(61,142,255,0.08);border-radius:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--signal);font-size:0.6875rem;font-weight:500}
.coa-info{flex:1;min-width:0}
.coa-product{font-size:0.8125rem;font-weight:500;color:var(--ice);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.coa-batch{font-size:0.6875rem;color:var(--steel);font-family:var(--font-mono)}
.coa-download{color:var(--signal);font-size:0.6875rem;padding:6px 12px;border:0.5px solid rgba(61,142,255,0.2);border-radius:4px}
.coa-download:hover{background:rgba(61,142,255,0.08)}

/* === FOOTER === */
.footer{border-top:0.5px solid var(--border);padding:2rem 0}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:flex-start;gap:2rem}
.footer-brand{max-width:280px}
.footer-brand-name{font-family:var(--font-display);font-size:0.875rem;font-weight:500;letter-spacing:0.15em;color:var(--ice);text-transform:uppercase;margin-bottom:0.5rem}
.footer-brand-desc{font-size:0.6875rem;color:var(--steel-dark);line-height:1.6}
.footer-columns{display:flex;gap:3rem}
.footer-column h6{font-size:0.6875rem;font-weight:500;letter-spacing:0.15em;text-transform:uppercase;color:var(--steel);margin-bottom:1rem}
.footer-column a{display:block;font-size:0.8125rem;color:var(--steel-dark);padding:4px 0;transition:color var(--duration) var(--ease)}
.footer-column a:hover{color:var(--ice)}
.footer-bottom{max-width:1200px;margin:0 auto;padding:1.5rem 2rem 0;margin-top:2rem;border-top:0.5px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.footer-legal{font-size:0.6875rem;color:rgba(138,155,174,0.4);letter-spacing:0.06em}
.footer-legal a:hover{color:var(--steel)}

/* === RESPONSIVE === */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .dash-stats{grid-template-columns:repeat(2,1fr)}
  .dash-quick-actions{grid-template-columns:repeat(2,1fr)}
  .source-section-inner{grid-template-columns:1fr;gap:2rem}
  .footer-columns{gap:2rem}
}
@media(max-width:768px){
  h1{font-size:1.75rem} h2{font-size:1.5rem}
  .container,.container-narrow{padding:0 1rem}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-height);left:0;right:0;background:var(--midnight);border-bottom:0.5px solid var(--border);padding:1rem 2rem;gap:0.5rem}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero-title{font-size:1.75rem}
  .hero-content{padding:2rem 1rem}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .stats-bar-inner{grid-template-columns:repeat(2,1fr)}
  .stats-bar-item:nth-child(2){border-right:none}
  .stats-bar-item:nth-child(1),.stats-bar-item:nth-child(2){border-bottom:0.5px solid var(--border)}
  .form-row{grid-template-columns:1fr}
  .modal{width:95%;padding:1.5rem}
  .footer-inner{flex-direction:column}
  .footer-columns{flex-direction:column;gap:2rem}
  .footer-bottom{flex-direction:column;gap:0.5rem;text-align:center}
  .cart-item{grid-template-columns:1fr;gap:0.5rem}
  .product-detail-header{flex-direction:column}
  .product-detail-img{width:100%;height:180px}
  .product-detail-specs{grid-template-columns:1fr}
  .portal-header-inner{flex-direction:column;align-items:flex-start;gap:0.5rem}
  .dash-stats{grid-template-columns:1fr}
  .dash-quick-actions{grid-template-columns:1fr}
}