@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&display=swap');

:root {
    /* Fonts */
    --font-main: 'JetBrains Mono', monospace;
    --size-title: 1.5rem;
    --size-desc: 0.9rem;
    --size-selector: 0.95rem;

    /* Default / Original Theme */
    --bg-color: rgb(252, 246, 229);
    --card-bg: rgb(245, 235, 210);
    --primary: #2d241e;
    --primary-hover: #1c1512;
    --accent: #FF4715;
    --text-main: #2d241e;
    --text-muted: #5c4a3e;
    --border: #d4c4b5;
    --radius: 8px;
    --shadow: 0 4px 6px -1px rgba(45, 36, 30, 0.1);
    --glow: 0 0 0 3px rgba(255, 71, 21, 0.15);
    --tech-blue: var(--accent);
    --success-bg: rgba(45, 36, 30, 0.05);
    --success-border: #d4c4b5;
    --success-text: #2d241e;
    --text-dark: #2d241e;
    --row-zebra: rgba(45, 36, 30, 0.03);
    --muted-bg: rgba(45, 36, 30, 0.05);
    --hover-bg: rgba(45, 36, 30, 0.1);
    --disclaimer-bg: rgba(249, 115, 22, 0.1);
    --disclaimer-text: #9a3412;
    --primary-rgb: 45, 36, 30;
    --bg-rgb: 252, 246, 229;
    --accent-rgb: 255, 71, 21;
    color-scheme: light;
}

/* Base Layout Utilities */
.hero-section-padded {
    padding-bottom: 30px;
}

.lab-disclaimer-centered {
    max-width: 800px;
    margin: 0 auto 40px auto !important;
    width: 100%;
}

.mt-30 {
    margin-top: 30px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-0 {
    margin-top: 0;
}

.mb-20 {
    margin-bottom: 20px;
}

.w-full {
    width: 100%;
}

.flex-center-gap {
    display: flex;
    gap: 8px;
    align-items: center;
    width: 100%;
}

.lab-card-bg {
    background: var(--card-bg) !important;
}

/* Text Utilities */
.text-xs-muted {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.label-caps {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}

.input-xl {
    flex: 1;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
}

.accent-dot {
    font-weight: 800;
    color: var(--accent);
    font-size: 1.5rem;
}

/* Lab Design System Utility Classes */
.lab-interaction {
    height: 46px;
    border-radius: 8px;
    font-family: inherit;
    font-size: var(--size-selector);
    transition: all 0.2s ease;
    display: block;
    /* Safari full-width fix */
    width: 100%;
}

.lab-input,
.lab-select {
    background-color: var(--bg-color);
    border: 1px solid var(--border);
    color: var(--primary);
    padding: 0 16px;
    width: 100%;
    text-align: center;
    text-align-last: center;
    /* For selects */
}

.lab-input:focus,
.lab-select:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.1);
}

.lab-button-primary {
    background-color: var(--accent);
    color: var(--bg-color);
    border: none;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lab-button-primary:hover {
    background-color: #e63e10;
    transform: translateY(-1px);
}

.lab-disclaimer {
    background-color: var(--primary);
    color: var(--bg-color);
    border: 2px solid var(--accent);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-size: var(--size-desc);
    line-height: 1.6;
}

.lab-science-card {
    background: var(--bg-color);
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: var(--radius);
}

.lab-info-box {
    padding: 25px;
    background: rgba(var(--primary-rgb), 0.05);
    border-radius: 12px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: var(--size-desc);
    line-height: 1.6;
}

.lab-card-title {
    color: var(--primary);
    text-transform: uppercase;
    font-size: var(--size-title);
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.lab-card-separator {
    height: 3px;
    background-color: var(--accent);
    width: 100%;
    margin-bottom: 15px;
    border: none;
    border-radius: 2px;
}

/* RESPONSIVE LAYOUTS */
.lab-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
}

/* Stacks everything in mobile, stays as is or controlled in desktop */
.lab-stack {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* Vertical grid for inputs - 1 column mobile, can be 1 or 2 in desktop */
.lab-input-stack {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
}

@media (max-width: 768px) {
    body {
        padding: 20px 15px;
    }

    .lab-grid-2 {
        grid-template-columns: 1fr;
    }

    .lab-science-card {
        padding: 20px;
    }
}

.mono {
    font-family: 'JetBrains Mono', monospace;
}

.text-sky-500 {
    color: var(--tech-blue);
}

.text-xs {
    font-size: var(--size-desc);
}

.mb-4 {
    margin-bottom: 1rem;
}

.version-badge {
    background: var(--primary);
    color: var(--bg-color);
    padding: 2px 10px;
    border-radius: 99px;
    border: 1px solid var(--border);
    font-family: var(--font-main);
    font-size: var(--size-desc);
    pointer-events: none;
    display: inline-block;
}

.container {
    position: relative;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    padding: 40px 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* --- HEADER & NAVIGATION --- */
site-header {
    display: block;
    position: relative;
    /* Ensure header content is relative to this for absolute pos of button */
}

site-header header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    font-weight: 800;
    font-size: 2.2rem;
    /* Keep main title slightly larger but standardized */
    font-family: var(--font-main);
    letter-spacing: -0.025em;
    color: var(--primary);
}

p.subtitle {
    color: var(--text-muted);
    margin-top: 8px;
    font-size: var(--size-desc);
}

nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: var(--size-selector);
    padding: 5px 0;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--primary);
}

nav a.active {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
}

/* --- HERO & LANDING PAGE --- */
.hero-section {
    text-align: center;
    padding: 20px 0 60px 0;
}

.section-title {
    font-size: var(--size-title);
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-text {
    font-size: var(--size-desc);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 50px auto;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.tool-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 12px 24px -4px rgba(0, 0, 0, 0.08);
}

.tool-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.tool-card h3 {
    font-family: var(--font-main);
    font-size: var(--size-title);
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.tool-card p {
    font-size: var(--size-desc);
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.5;
}

.tool-btn {
    font-weight: 600;
    font-size: var(--size-selector);
    color: var(--accent);
    margin-top: auto;
}

.tool-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
    width: 100%;
}

.tool-list li {
    font-size: var(--size-desc);
    color: var(--text-muted);
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.85;
}

.tool-list li:last-child {
    border-bottom: none;
}

.tool-list li::before {
    content: "→";
    color: var(--accent);
    font-family: var(--font-main);
    font-size: var(--size-desc);
    font-weight: 800;
}

.coming-soon {
    opacity: 0.6;
    cursor: default;
    background: var(--muted-bg);
    /* No white background */
}

.coming-soon:hover {
    transform: none;
    border-color: var(--border);
    box-shadow: none;
}

.tool-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: var(--bg-color);
    padding: 4px 10px;
    border-radius: 99px;
    font-size: var(--size-desc);
    font-weight: 600;
}

/* --- FOOTER --- */
.site-footer {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: var(--size-desc);
    font-weight: 500;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary);
}

.copyright {
    color: #94a3b8;
    font-size: var(--size-desc);
}

/* --- LEGAL & ABOUT STYLES --- */
.legal-content {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.legal-content h2 {
    margin-top: 30px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    font-size: var(--size-title);
}

.legal-content p,
.legal-content li {
    margin-bottom: 15px;
    font-size: var(--size-desc);
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

/* --- COMPONENTS (CARDS) --- */
.card,
.responsive-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.section {
    margin-bottom: 24px;
}

/* --- FORM ELEMENTS --- */
.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: 600;
    font-size: var(--size-selector);
    margin-bottom: 8px;
    color: var(--text-main);
}

input,
select {
    width: 100%;
    padding: 12px 16px;
    font-size: var(--size-selector);
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.2s ease;
    outline: none;
    background: var(--bg-color);
    color: var(--text-main);
}

input:focus,
select:focus {
    border-color: var(--accent);
    background: var(--card-bg);
    /* Slightly darker beige on focus */
    box-shadow: var(--glow);
}

input::placeholder {
    color: #A1A1AA;
}

/* --- ROW LAYOUT FOR FOOD ITEMS --- */
#detailedRows {
    margin-top: 20px;
}

.row {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    align-items: center;
    background: var(--bg-color);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    animation: fadeIn 0.3s ease;
}

@media (max-width: 600px) {
    .row {
        flex-direction: column;
        align-items: stretch;
    }

    .row .food-name {
        width: 100%;
    }

    .row .food-qty,
    .row .food-unit {
        width: 100%;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- NUTRITION CALCULATOR REFINEMENTS --- */
#tdee-calculator {
    margin-bottom: 40px;
}

.section-title {
    font-size: var(--size-title);
    margin-bottom: 10px;
}

.section-description {
    font-size: var(--size-desc);
    color: var(--text-muted);
    margin-bottom: 25px;
}

#method-selector {
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 15px;
}

#method-selector select {
    font-weight: 700;
    color: var(--accent);
}

.profile-input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.profile-input-grid .input-group label {
    font-size: var(--size-desc);
    color: var(--text-muted);
    font-weight: 600;
}

.method-panel {
    margin-top: 25px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

#neat-group {
    margin-bottom: 25px;
    max-width: 300px;
}

.hint {
    color: var(--text-muted);
    font-size: var(--size-desc);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    margin-top: 20px;
}

.section-label {
    margin: 0;
    font-weight: 700;
    color: var(--primary);
}

.btn-small {
    padding: 6px 14px;
    font-size: var(--size-desc);
    height: auto;
}

.submit-group {
    margin-top: 30px;
}

.submit-group .btn-primary {
    font-weight: 800;
}

#workout-header {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 40px;
    gap: 10px;
    margin-bottom: 8px;
    padding-left: 5px;
    opacity: 0.6;
    font-size: var(--size-selector);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tdee-workout-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 40px;
    gap: 10px;
    margin-bottom: 10px;
    align-items: center;
}

.tdee-workout-row input {
    height: 42px;
    font-size: var(--size-selector);
    background: var(--bg-color);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0 10px;
    transition: all 0.2s;
    width: 100%;
}

.tdee-workout-row input:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 71, 21, 0.1);
}

.mobile-label {
    display: none;
    font-size: var(--size-desc);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.legend-text {
    color: var(--text-muted);
    font-size: var(--size-desc);
    margin-top: 10px;
}

.met-reference-box {
    margin-top: 25px;
    font-size: var(--size-desc);
    background: var(--bg-color);
    padding: 18px;
    border-radius: 10px;
    border: 1px solid var(--border);
    line-height: 1.5;
}

.met-reference-box strong {
    color: var(--accent);
    margin-bottom: 10px;
    display: block;
    letter-spacing: 0.5px;
}

.met-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 25px;
}

.results-container {
    margin-top: 30px;
}

.macro-item.highlight {
    background: var(--primary);
    border-color: var(--primary);
}

.macro-item.highlight span {
    color: var(--bg-color);
    opacity: 0.8;
}

.macro-item.highlight strong {
    color: var(--bg-color);
    font-size: var(--size-title);
}

.methodology-box {
    font-size: var(--size-desc);
    color: var(--text-muted);
    padding: 25px;
    border-radius: 8px;
    background: var(--muted-bg);
    border: 1px solid var(--border);
    line-height: 1.6;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.methodology-box h4 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: var(--size-title);
}

.methodology-box h5 {
    letter-spacing: 0.3px;
    text-transform: uppercase;
    font-weight: 700;
    font-size: var(--size-selector);
}

@media (max-width: 600px) {
    #workout-header {
        display: none !important;
    }

    .tdee-workout-row {
        grid-template-columns: 1fr;
        gap: 12px;
        background: var(--muted-bg);
        padding: 15px;
        border-radius: 8px;
        border: 1px solid var(--border);
        margin-bottom: 15px;
    }

    .tdee-workout-row .row-input {
        display: flex;
        flex-direction: column;
    }

    .mobile-label {
        display: block;
    }

    .tdee-workout-row .btn-remove {
        width: 100%;
        margin-top: 5px;
    }

    .met-grid {
        grid-template-columns: 1fr;
    }
}

.row .food-name {
    flex: 3;
}

.row .food-qty {
    flex: 1;
    min-width: 90px;
}

.row .food-unit {
    flex: 0.8;
    min-width: 80px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: var(--size-selector);
    cursor: pointer;
    transition: all 0.2s;
    gap: 10px;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-color);
    /* Parchment color for text on dark btn */
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--primary);
    margin-bottom: 16px;
}

.lab-button-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    height: 46px;
    border-radius: 8px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: var(--size-selector);
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
}

.lab-button-outline:hover {
    background: rgba(255, 71, 21, 0.05);
    border-color: #e63e10;
}

.btn-secondary:hover {
    background: var(--muted-bg);
}

.btn-remove {
    background: #FEE2E2;
    color: #EF4444;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    cursor: pointer;
    border: none;
    transition: background 0.2s;
}

.btn-remove:hover {
    background: #FECACA;
}

/* --- RESULTS AREA --- */
#result-area {
    margin-top: 30px;
    padding: 0;
    background: transparent;
    border: none;
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.results-container {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.result-box {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    background: var(--card-bg);
}

.side-by-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 600px) {
    .side-by-side {
        grid-template-columns: 1fr;
    }
}

.result-box h3 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--primary);
    font-size: var(--size-title);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 3px solid var(--accent);
    display: inline-block;
    padding-bottom: 5px;
}

.macro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.macro-item {
    background: var(--bg-color);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
}

.macro-item span {
    font-size: var(--size-desc);
    color: var(--text-muted);
    font-weight: 500;
}

.macro-item strong {
    font-size: var(--size-selector);
    color: var(--text-dark);
    font-family: var(--font-main);
    display: block;
}

.sub-section {
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.disclaimer-box {
    background: var(--disclaimer-bg);
    /* Orange tint transparent */
    border-left: 4px solid var(--accent);
    padding: 12px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.disclaimer-box p {
    color: var(--disclaimer-text);
    /* Deep orange/brown */
    font-size: var(--size-desc);
    margin: 0;
    line-height: 1.5;
}

.source-citation {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    font-family: var(--font-main);
    font-size: var(--size-desc);
    color: var(--text-muted);
    opacity: 0.8;
    line-height: 1.5;
}

.source-citation a {
    color: var(--tech-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.source-citation a:hover {
    color: var(--accent);
}

.sub-section h4 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: var(--size-title);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    padding-bottom: 5px;
    display: block;
    width: 100%;
}

.sub-section h5 {
    margin: 15px 0 10px 0;
    font-size: var(--size-selector);
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 0.5px;
    border-left: 3px solid var(--accent);
    padding-left: 10px;
}

.nutrition-table {
    display: flex;
    flex-direction: column;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    margin-top: 10px;
}

.table-row {
    display: grid;
    grid-template-columns: 95px 50px 1fr;
    /* Value | Unit | Name */
    padding: 8px 15px;
    align-items: center;
    border-bottom: 1px solid var(--border);
    font-size: var(--size-desc);
    transition: background 0.2s;
    cursor: default;
}

.table-row.has-children {
    cursor: pointer;
}

.table-row.has-children:hover {
    background-color: var(--hover-bg);
}

.arrow {
    display: inline-block;
    width: 12px;
    font-size: var(--size-desc);
    transition: transform 0.2s;
    margin-right: 5px;
    color: var(--primary);
}

/* Hierarchical indentation */
.depth-1 {
    padding-left: 35px;
    background-color: rgba(0, 0, 0, 0.02);
}

.depth-2 {
    padding-left: 55px;
    background-color: rgba(0, 0, 0, 0.04);
    font-size: var(--size-desc);
}

.depth-3 {
    padding-left: 75px;
    background-color: rgba(0, 0, 0, 0.06);
    font-size: var(--size-desc);
}

.child-rows {
    border-left: 2px solid var(--border);
    margin-left: 20px;
}

.table-row:nth-child(even):not(.depth-1):not(.depth-2):not(.depth-3) {
    background-color: var(--row-zebra);
    /* Soft brown tint */
}

.table-row:nth-child(odd):not(.depth-1):not(.depth-2):not(.depth-3) {
    background-color: transparent;
}

.table-row:last-child {
    border-bottom: none;
}

/* Zebra stripes: Alternate row colors */
.table-row:nth-child(even) {
    background-color: var(--row-zebra);
}

.table-row:nth-child(odd) {
    background-color: transparent;
}

.table-row:hover {
    background-color: var(--hover-bg);
}

.nutrient-name {
    color: var(--text-main);
    font-weight: 500;
}

/* Decimal point alignment */
.nutrient-value {
    display: flex;
    justify-content: flex-end;
    font-family: var(--font-main);
    /* Monospace font for perfect alignment */
    font-weight: 600;
    color: var(--primary);
    font-size: var(--size-selector);
}

.int-part {
    text-align: right;
    min-width: 45px;
}

.dot {
    width: 8px;
    text-align: center;
}

.dec-part {
    text-align: left;
    min-width: 25px;
}

.nutrient-unit {
    color: var(--text-muted);
    font-size: var(--size-desc);
    padding-left: 10px;
    font-weight: 600;
}

.no-data {
    color: #a0aec0;
    font-style: italic;
    font-size: var(--size-desc);
    padding: 10px;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    display: inline-block;
    animation: spin 1s linear infinite;
    margin-right: 12px;
    vertical-align: middle;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* --- ADS PLACEHOLDER --- */


/* --- CNS METER & TAP TEST --- */
.cns-description {
    background: var(--muted-bg);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 30px;
    border-left: 4px solid var(--accent);
    min-height: 120px;
    max-height: 250px;
    overflow-y: auto;
    font-size: var(--size-desc);
    line-height: 1.6;
}

.cns-description h4 {
    margin-bottom: 10px;
    color: var(--primary);
    font-size: var(--size-title);
}

.instructions ol {
    padding-left: 20px;
    font-size: var(--size-desc);
}

.instructions li {
    margin-bottom: 5px;
}

.tap-test-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin: 40px 0;
    min-height: 480px;
    justify-content: flex-start;
}

.countdown {
    font-size: var(--size-title);
    font-weight: 800;
    color: var(--accent);
    height: 40px;
    margin-bottom: 10px;
}

.status-row {
    height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.timer-display {
    font-size: 3.5rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--primary);
}

.tap-count {
    font-size: var(--size-selector);
    font-weight: 600;
    color: var(--text-muted);
}

.reaction-display {
    font-size: var(--size-selector);
    font-weight: 700;
    color: var(--accent);
    margin-top: -10px;
    animation: bounceIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }

    70% {
        transform: scale(0.9);
    }

    100% {
        transform: scale(1);
    }
}

.tap-btn {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--bg-color);
    border: 8px solid var(--border);
    font-size: var(--size-title);
    font-weight: 800;
    cursor: pointer;
    transition: all 0.1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
}

.tap-btn:active:not(:disabled) {
    transform: scale(0.92);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.tap-btn:disabled {
    background: var(--border);
    color: var(--text-muted);
    cursor: not-allowed;
    border-color: var(--border);
}

.tap-btn.running {
    background: var(--accent);
    border-color: var(--border);
}

.tap-btn.no-visual-feedback {
    background: var(--primary) !important;
    border-color: var(--border) !important;
    transform: none !important;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
    transition: none !important;
    animation: none !important;
}

.tap-btn.no-visual-feedback:active {
    transform: none !important;
}

.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.results-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.summary-card {
    background: var(--card-bg);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid var(--border);
    text-align: center;
}

.summary-card span {
    display: block;
    font-size: var(--size-desc);
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 5px;
}

.summary-card strong {
    font-size: var(--size-selector);
    color: var(--primary);
}

.summary-card.highlight strong {
    color: var(--accent);
}

.chart-container {
    background: var(--card-bg);
    padding: 15px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    height: 300px;
}

@media (max-width: 768px) {
    .charts-row {
        grid-template-columns: 1fr;
    }
}

.tap-btn:hover:not(:disabled) {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* --- CNS ANALYTICAL DASHBOARD --- */
.analytics-dashboard {
    background: var(--primary);
    color: var(--bg-color);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
    border: 1px solid var(--border);
    position: relative;
}

.dashboard-header {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

/* CNS Performance Table (Lab Style) */
.cns-table-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.cns-table-row.header {
    background: var(--muted-bg);
    font-weight: 700;
    text-transform: uppercase;
    font-size: var(--size-selector);
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
}

.cns-table-row.group-header {
    grid-template-columns: 1fr;
    background: rgba(var(--primary-rgb), 0.03);
    font-weight: 800;
    font-size: var(--size-desc);
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 10px 15px;
}

.cns-table-row:last-child {
    border-bottom: none;
}

.dashboard-header h3 {
    font-size: var(--size-title);
    margin: 0;
}

.kpi-group-title {
    grid-column: 1 / -1;
    font-size: var(--size-desc);
    font-weight: 700;
    color: var(--border);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 15px 0 5px 0;
    border-bottom: 1px solid rgba(212, 196, 181, 0.2);
    margin-bottom: 5px;
    opacity: 0.8;
}

.kpi-box {
    text-align: center;
    padding: 10px;
    border-right: 1px solid rgba(212, 196, 181, 0.2);
}

.kpi-box:last-child {
    border-right: none;
}

@media (max-width: 600px) {
    .analytics-dashboard {
        grid-template-columns: 1fr 1fr;
    }

    .kpi-box {
        border-right: none;
        border-bottom: 1px solid rgba(212, 196, 181, 0.1);
    }

    .kpi-box:nth-child(even) {
        border-right: none;
    }
}

.kpi-label {
    display: block;
    font-size: var(--size-desc);
    color: #d4c4b5;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 5px;
}

.kpi-value {
    display: block;
    font-size: var(--size-selector);
    font-weight: 800;
    color: var(--bg-color);
}

.kpi-benchmark {
    display: block;
    font-size: var(--size-desc);
    margin-top: 3px;
    font-weight: 600;
}

.kpi-benchmark.elite {
    color: #10b981;
}

.kpi-benchmark.average {
    color: #f59e0b;
}

.kpi-benchmark.sub-optimal {
    color: #ef4444;
}

.status-row {
    display: flex;
    gap: 20px;
    height: 30px;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.tap-count,
.reaction-display {
    font-size: var(--size-selector);
    font-weight: 600;
    color: var(--text-muted);
    margin: 0 !important;
    animation: none !important;
    /* Prevent shifting from animations */
}

.reaction-display {
    color: var(--accent);
    min-width: 140px;
}

.test-selector-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 25px;
}

@media (max-width: 600px) {
    .test-selector-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.test-box {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.test-box:hover {
    border-color: var(--accent);
    background: var(--bg-color);
    transform: translateY(-2px);
}

.test-box.active {
    border-color: var(--accent);
    background: var(--bg-color);
    box-shadow: 0 0 0 2px var(--accent);
}

.test-title {
    font-weight: 700;
    font-size: var(--size-selector);
    color: var(--primary);
}

.test-type {
    font-size: var(--size-desc);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* False start state */
.tap-btn.false-start {
    background: #FF0000 !important;
    /* Brighter red for error */
    border-color: #990000 !important;
    color: white !important;
    animation: shake 0.4s cubic-bezier(.36, .07, .19, .97) both;
}

@keyframes shake {

    10%,
    90% {
        transform: translate3d(-2px, 0, 0);
    }

    20%,
    80% {
        transform: translate3d(4px, 0, 0);
    }

    30%,
    50%,
    70% {
        transform: translate3d(-6px, 0, 0);
    }

    40%,
    60% {
        transform: translate3d(6px, 0, 0);
    }
}

/* Reactive states */
.tap-btn.waiting {
    background: #EF4444 !important;
    /* Red */
    border-color: #B91C1C !important;
}

.tap-btn.ready-set {
    background: #10B981 !important;
    /* Green */
    border-color: #047857 !important;
    animation: pulse-green 1s infinite;
}

@keyframes pulse-green {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 20px rgba(16, 185, 129, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

site-footer {
    display: block;
}

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .card {
        padding: 20px !important;
    }

    .section-title {
        font-size: var(--size-title) !important;
    }

    h1 {
        font-size: 2rem !important;
    }

    .subtitle {
        font-size: var(--size-desc) !important;
    }

    .lab-header {
        padding: 15px !important;
    }

    .input-row {
        flex-direction: column;
        align-items: stretch !important;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .card {
        padding: 15px !important;
    }

    .segmented-control {
        flex-direction: column;
        height: auto !important;
        gap: 4px;
    }

    .segmented-btn {
        padding: 12px !important;
        width: 100%;
        text-align: center;
    }

    .analytics-dashboard,
    .test-selector-grid,
    .macro-results-grid {
        grid-template-columns: 1fr !important;
    }

    .macro-item {
        padding: 16px !important;
    }

    .responsive-card .macro-item {
        min-height: 140px;
    }
}

/* --- SHARED UTILITIES --- */
.input-horizontal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: flex-end;
}

@media (max-width: 600px) {
    .input-horizontal-grid {
        grid-template-columns: 1fr;
    }

    .input-horizontal-grid .input-group,
    .input-horizontal-grid button {
        width: 100% !important;
    }
}

.input-horizontal-grid input,
.input-horizontal-grid select,
.input-horizontal-grid .btn {
    height: 48px;
    /* Standardize height for perfect alignment */
    display: flex;
    align-items: center;
}

.lab-header {
    background: var(--muted-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 30px;
}

/* Ensure consistent sizing across all browsers */
.input-horizontal-grid .input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.macro-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 30px;
}

/* --- MOBILE OPTIMIZATIONS --- */
@media (max-width: 600px) {
    body {
        padding: 20px 10px;
    }

    .card,
    .responsive-card {
        padding: 20px 15px;
    }

    .results-container {
        padding: 0;
        gap: 15px;
    }

    .result-box {
        padding: 15px 10px;
    }

    .side-by-side {
        gap: 15px;
    }

    .table-row {
        grid-template-columns: 80px 42px 1fr;
        padding: 8px 8px;
        font-size: var(--size-desc);
    }

    .int-part {
        min-width: 35px;
    }

    .dec-part {
        min-width: 20px;
    }

    .nutrient-unit {
        padding-left: 4px;
        font-size: var(--size-desc);
    }

    .nutrient-name {
        word-break: break-word;
        line-height: 1.3;
    }

    .macro-grid {
        grid-template-columns: 1fr 1fr;
    }

    .macro-item {
        padding: 10px;
    }

    .macro-item strong {
        font-size: var(--size-selector);
    }
}

/* --- RUNNING SECTION STYLES --- */
.running-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .running-grid {
        grid-template-columns: 1fr;
    }
}

.calc-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.calc-card h3 {
    font-family: var(--font-main);
    font-size: var(--size-title);
    color: var(--primary);
    border-bottom: 2px solid var(--accent);
    display: inline-block;
    padding-bottom: 5px;
    margin-bottom: 10px;
}

.results-box {
    margin-top: 15px;
    padding: 15px;
    background: var(--muted-bg);
    border-radius: 8px;
    font-size: var(--size-desc);
    display: none;
}

.results-box.active {
    display: block;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    color: var(--text-muted);
    font-weight: 500;
    font-size: var(--size-desc);
}

.result-value {
    font-family: var(--font-main);
    font-weight: 700;
    color: var(--primary);
    font-size: var(--size-selector);
}

.input-row {
    display: flex;
    gap: 12px;
    width: 100%;
    align-items: flex-end;
    margin-bottom: 20px;
}

.input-row .input-group {
    flex: 1;
    margin-bottom: 0px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.time-input-container {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 46px;
    width: 100%;
}

.time-input-container input {
    text-align: center;
    padding: 0 4px;
    /* Slightly more space for arrows */
    height: 100%;
    min-width: 85px;
    /* Minimum width to handle digits + arrows */
}

.calc-card .btn-primary {
    margin-top: 20px;
}

.lab-header {
    background: var(--muted-bg);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 30px;
}

.input-horizontal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: flex-end;
}

@media (min-width: 769px) {
    .running-input-grid {
        grid-template-columns: 1.2fr 2fr 0.8fr 0.8fr 0.8fr 1.2fr !important;
    }
}

@media (max-width: 600px) {
    .input-horizontal-grid {
        grid-template-columns: 1fr;
    }
}

.segmented-control {
    display: flex;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px;
    height: 46px;
}

.segmented-btn {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: var(--size-selector);
    font-weight: 700;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.segmented-btn.active {
    background: var(--accent) !important;
    color: white !important;
    box-shadow: 0 2px 4px rgba(255, 71, 21, 0.2);
}

.macro-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 30px;
}

.macro-item {
    background: var(--muted-bg);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.macro-item span {
    font-size: var(--size-desc);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.macro-item strong {
    font-size: var(--size-selector);
    color: var(--primary);
    font-family: var(--font-main);
}

.cooper-norms-horizontal {
    display: flex;
    gap: 8px;
    margin-top: 15px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.norm-box {
    flex: 1;
    min-width: 100px;
    background: var(--muted-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    transition: all 0.3s;
}

.norm-box.active-norm {
    background: rgba(var(--accent-rgb), 0.15);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.norm-status {
    display: block;
    font-size: var(--size-desc);
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
    font-weight: 700;
}

.norm-range {
    display: block;
    font-size: var(--size-selector);
    font-family: var(--font-main);
    color: var(--primary);
    font-weight: 700;
}

.sub-lab-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
    border-top: 1px solid var(--border);
    padding-top: 30px;
}

.results-container {
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Extracted from strength.html */

.calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.calc-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.calc-card h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    color: var(--primary);
    border-bottom: 2px solid var(--accent);
    display: inline-block;
    padding-bottom: 5px;
    margin-bottom: 10px;
}

.results-box {
    margin-top: 15px;
    padding: 15px;
    background: var(--muted-bg);
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
    border: 1px solid var(--border);
}

.results-box.active {
    display: block;
}

.input-row {
    display: flex;
    gap: 12px;
    width: 100%;
    align-items: flex-end;
    margin-bottom: 15px;
}

.input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.rm-tool-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    align-items: start;
}

.rm-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rm-input-wrapper,
.percent-box {
    height: 44px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--muted-bg);
    box-sizing: border-box;
}

.rm-input-wrapper label {
    margin-bottom: 0;
    white-space: nowrap;
    min-width: 38px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
}

.rm-input-wrapper input {
    padding: 4px 8px;
    height: 30px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    text-align: right;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    flex: 1;
    min-width: 0;
    /* Let it shrink if needed */
}

.rm-divider {
    width: 1px;
    background: var(--border);
    height: 100%;
    align-self: stretch;
}

.percent-box {
    justify-content: space-between;
    background: var(--row-zebra);
    border-color: transparent;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

.percent-label {
    color: var(--text-muted);
}

.percent-value {
    color: var(--primary);
    font-weight: 700;
}

@media (max-width: 600px) {
    .rm-tool-grid {
        gap: 10px;
    }

    .rm-input-wrapper,
    .percent-box {
        padding: 0 8px;
        font-size: 0.75rem;
    }

    .rm-input-wrapper label {
        min-width: 32px;
    }

    .percent-box {
        font-size: 0.75rem;
    }
}

/* Extracted from track.html */

.calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.calc-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.calc-card h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    color: var(--primary);
    border-bottom: 2px solid var(--accent);
    display: inline-block;
    padding-bottom: 5px;
    margin-bottom: 10px;
}

.results-box {
    margin-top: 15px;
    padding: 15px;
    background: var(--muted-bg);
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
    border: 1px solid var(--border);
}

.results-box.active {
    display: block;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    margin-bottom: 10px;
}

.input-group {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
}

.input-group select,
.input-group input {
    width: 100%;
    text-align: center;
    text-align-last: center;
}

.zone-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
    margin-top: 10px;
}

.zone-table th,
.zone-table td {
    text-align: left;
    padding: 8px;
    border-bottom: 1px solid var(--border);
}

.reference-section {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.ref-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    margin-bottom: 15px;
}

/* Extracted from running.html */

.calc-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 40px;
    box-shadow: var(--shadow);
}

@media (max-width: 768px) {
    .calc-card {
        padding: 24px 20px;
        margin-top: 20px;
    }
}

.lab-card-title {
    color: var(--primary);
    text-transform: uppercase;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    line-height: 1.2;
}

.lab-card-separator {
    height: 3px;
    background: var(--accent);
    width: 100%;
    margin: 0 0 20px 0;
    border: none;
    border-radius: 2px;
}

.lab-header {
    background: var(--muted-bg);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 25px;
}

.input-horizontal-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    align-items: flex-end;
}

@media (max-width: 900px) {
    .input-horizontal-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px 12px;
    }
}

@media (max-width: 600px) {
    .input-horizontal-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.lab-results-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
}

.lab-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 0.8fr 2fr;
    background: var(--card-bg);
    padding: 12px 16px;
    align-items: center;
    gap: 15px;
}

.lab-row.header {
    background: var(--muted-bg);
    font-weight: 800;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 10px 16px;
}

.lab-cell.label {
    font-weight: 700;
    color: var(--primary);
}

.lab-cell.value {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    text-align: right;
    color: var(--primary);
    font-size: 1.1rem;
}

.lab-cell.unit {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
}

.lab-cell.desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.3;
}

@media (max-width: 600px) {
    .lab-row {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        padding: 15px;
    }

    .lab-row.header {
        display: none;
    }

    .lab-cell.desc {
        grid-column: 1 / span 2;
        padding-top: 4px;
        border-top: 1px dashed var(--border);
    }

    .lab-cell.value {
        text-align: left;
        grid-column: 1;
        order: 2;
    }

    .lab-cell.unit {
        text-align: left;
        grid-column: 2;
        order: 3;
    }

    .lab-cell.label {
        grid-column: 1 / span 2;
        order: 1;
    }
}

.time-input-container {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 46px;
    width: 100%;
}

.time-input-container .lab-input {
    flex: 1;
    width: 100%;
    min-width: 0;
}

.input-group {
    margin-bottom: 0px;
    /* Reset for grid alignment */
}

.segmented-btn {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    padding: 8px 12px;
    border: 1px solid var(--border);
}

.segmented-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.results-box {
    margin-top: 15px;
    padding: 20px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: none;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.result-label {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.85rem;
}

.result-value {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: var(--primary);
}

.lab-card-header {
    margin-bottom: 25px;
}

.macro-item {
    background: var(--muted-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.macro-item:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

/* Technical Table Pattern */
.zone-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    margin-top: 10px;
}

.zone-table th,
.zone-table td {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
}

.zone-table th {
    font-weight: 800;
    color: var(--text-muted);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}

.lab-table-wrap {
    margin-bottom: 25px;
}

@media (max-width: 768px) {
    .zone-table thead {
        display: none;
    }

    .zone-table tr {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        padding: 15px;
        border-bottom: 1px solid var(--border);
    }

    .zone-table td {
        padding: 0;
        border: none;
    }

    .zone-table td::before {
        content: attr(data-label);
        display: block;
        font-size: 0.65rem;
        font-weight: 800;
        color: var(--text-muted);
        text-transform: uppercase;
        margin-bottom: 4px;
    }
}