/* Fitness Tools - shared styles for /tools hub and calculator pages */

.tools-hero {
    background: linear-gradient(180deg, var(--bg-darker), var(--bg-dark));
    padding: 160px 0 48px;
    text-align: center;
}
.tools-hero h1 { color: var(--white); font-size: 2.4rem; margin-bottom: 12px; }
.tools-hero p { color: var(--medium-gray); max-width: 640px; margin: 0 auto; font-size: 1.1rem; line-height: 1.6; }

.tools-section { background: var(--bg-dark); padding: 48px 0 80px; }

/* Hub cards */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    max-width: 1080px;
    margin: 16px auto 0;
}
.tool-card {
    background: var(--bg-card);
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 28px;
    text-align: center;
    display: block;
    transition: transform 0.15s ease, border-color 0.15s ease;
}
.tool-card:hover { transform: translateY(-4px); border-color: var(--primary-color); }
.tool-card i { font-size: 2rem; color: var(--primary-color); margin-bottom: 14px; }
.tool-card h3 { color: var(--white); margin-bottom: 8px; font-size: 1.2rem; }
.tool-card p { color: var(--medium-gray); font-size: 0.95rem; line-height: 1.5; }

/* Calculator card */
.calc-card {
    background: var(--bg-card);
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 32px;
    max-width: 720px;
    margin: 0 auto;
}
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.calc-field { display: flex; flex-direction: column; gap: 6px; }
.calc-field[hidden] { display: none; }
.calc-field label { color: var(--white); font-size: 0.9rem; font-weight: 600; }
.calc-field input,
.calc-field select {
    background: var(--bg-dark);
    border: 1px solid #333;
    border-radius: 8px;
    color: var(--white);
    padding: 12px 14px;
    font-size: 1rem;
    width: 100%;
}
.calc-field input:focus,
.calc-field select:focus { outline: none; border-color: var(--primary-color); }
.calc-field .field-pair { display: flex; gap: 10px; }
.calc-actions { margin-top: 22px; text-align: center; }
.calc-error { color: var(--primary-color); text-align: center; margin-top: 12px; min-height: 1.2em; }

/* Results */
.calc-results { max-width: 720px; margin: 28px auto 0; }
.calc-results[hidden] { display: none; }
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 18px; }
.result-stat {
    background: var(--bg-card);
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 22px;
    text-align: center;
}
.result-stat.highlight { border-color: var(--primary-color); }
.result-label { color: var(--medium-gray); font-size: 0.9rem; margin-bottom: 6px; }
.result-value { color: var(--white); font-size: 1.9rem; font-weight: 700; }
.result-sub { color: var(--medium-gray); font-size: 0.85rem; margin-top: 4px; }

/* Macro split bar */
.macro-bar { display: flex; height: 18px; border-radius: 9px; overflow: hidden; margin-top: 18px; background: var(--bg-card); }
.macro-bar .seg-protein { background: var(--primary-color); }
.macro-bar .seg-carbs { background: #4a90d9; }
.macro-bar .seg-fat { background: #e0a51f; }
.macro-legend { display: flex; gap: 18px; justify-content: center; margin-top: 10px; color: var(--medium-gray); font-size: 0.85rem; }
.macro-legend .dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.macro-legend .dot-protein { background: var(--primary-color); }
.macro-legend .dot-carbs { background: #4a90d9; }
.macro-legend .dot-fat { background: #e0a51f; }

/* Tables (1RM percentages, strength standards) */
.calc-table { width: 100%; border-collapse: collapse; margin-top: 18px; }
.calc-table th,
.calc-table td { border: 1px solid #2a2a2a; padding: 10px 12px; text-align: center; color: var(--white); }
.calc-table th { background: var(--bg-darker); color: var(--medium-gray); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }
.calc-table caption { color: var(--medium-gray); font-size: 0.9rem; margin-bottom: 8px; caption-side: top; text-align: left; }

/* CTA panel */
.calc-cta {
    max-width: 720px;
    margin: 32px auto 0;
    background: linear-gradient(135deg, rgba(224, 31, 38, 0.12), rgba(224, 31, 38, 0.04));
    border: 1px solid var(--primary-color);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
}
.calc-cta h3 { color: var(--white); margin-bottom: 8px; }
.calc-cta p { color: var(--medium-gray); margin-bottom: 18px; line-height: 1.6; }
.calc-cta .btn { margin: 0 8px 8px; }

/* Long-form content + FAQ */
.tool-content { max-width: 760px; margin: 0 auto; padding: 56px 20px 0; }
.tool-content h2 { color: var(--white); margin-bottom: 14px; }
.tool-content p,
.tool-content li { color: var(--medium-gray); line-height: 1.7; }
.tool-content ul { padding-left: 20px; margin: 12px 0; }

.tool-faq { max-width: 760px; margin: 0 auto; padding: 40px 20px 0; }
.tool-faq h2 { color: var(--white); margin-bottom: 18px; }
.tool-faq details { background: var(--bg-card); border: 1px solid #2a2a2a; border-radius: 10px; margin-bottom: 10px; padding: 16px 18px; }
.tool-faq summary { color: var(--white); font-weight: 600; cursor: pointer; }
.tool-faq details p { color: var(--medium-gray); margin-top: 10px; line-height: 1.6; }

/* Other-tools strip */
.tools-strip { max-width: 760px; margin: 48px auto 0; padding: 0 20px; text-align: center; }
.tools-strip h2 { color: var(--white); margin-bottom: 16px; font-size: 1.4rem; }
.tools-strip .strip-links { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tools-strip .strip-links a {
    background: var(--bg-card);
    border: 1px solid #2a2a2a;
    border-radius: 999px;
    color: var(--white);
    padding: 10px 18px;
    font-size: 0.95rem;
}
.tools-strip .strip-links a:hover { border-color: var(--primary-color); }

/* Keyboard focus indicators */
.tool-card:focus-visible,
.tools-strip .strip-links a:focus-visible,
.tool-faq summary:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media (max-width: 640px) {
    .calc-grid { grid-template-columns: 1fr; }
    .tools-hero { padding: 120px 0 36px; }
    .tools-hero h1 { font-size: 1.8rem; }
}