/* Vorenico Academy Suite 1.0: scoped to .vya to avoid theme conflicts */
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/* VORENICO ACADEMY 2026 — unified technical handbook stylesheet. */
.vya {--vi-navy:#243744;--vi-teal:#355d6e;--vi-ink:#243744;--vi-muted:#65727a;--vi-line:#d5dde0;--vi-bg:#f7f8f8;font-family:Arial,Helvetica,sans-serif;max-width:1200px}
.vya h1{font-size:clamp(31px,4vw,45px);font-weight:650}.vya h2,.vya h3{font-weight:650}
.vya-hero{background:#f7f8f8!important;color:#243744!important;border:1px solid #d6dde0;border-top:5px solid #2d4e60;border-radius:0!important;padding:34px 38px}
.vya-hero h1,.vya-hero p{color:#243744!important}.vya-eyebrow{color:#536572!important}.vya-back{color:#355d6e!important}
.vya-chips span{background:transparent!important;border:1px solid #c4cfd3!important;border-radius:2px!important;color:#4a5e69!important;letter-spacing:0}
.vya-card,.vya-welcome,.vya-course-sidebar,.vya-lesson,.vya-account,.vya-login,.vya-diagram{border-radius:0!important;background:#fff!important;box-shadow:none!important;border:1px solid #d5dde0!important}
.vya-card{min-height:260px}.vya-card h3{font-size:21px}.vya-number,.vya-status{border-radius:2px!important;background:#eef1f2!important;color:#355d6e!important}
.vya-progress-rail,.vya-progress-rail>div{border-radius:0!important}.vya-progress-rail>div{background:#355d6e!important}
.vya-primary,.vya-secondary,.vya-tiny-btn,.vya-mark,.vya-next{border-radius:2px!important;box-shadow:none!important}
.vya-primary,.vya-mark{background:#355d6e!important;color:white!important;border-color:#355d6e!important}.vya-primary:hover,.vya-mark:hover{background:#284956!important}
.vya-secondary,.vya-next{background:#fff!important;color:#355d6e!important;border-color:#a9bec7!important}
.vya-lesson h2{font-size:clamp(26px,3vw,34px)}.vya-lesson-body th{background:#edf1f2!important}
.vya-course-sidebar{background:#fafbfb!important}.vya-nav{border-radius:0!important;border-bottom:1px solid #d8e0e3!important}.vya-nav.active{background:#e9eef0!important;border-left:3px solid #355d6e!important;box-shadow:none!important}
.vya-diagram{padding:15px!important}.vya-diagram figcaption{margin-top:9px!important}
.vya-scenario,.vya-assignment,.vya-note,.vya-notice,.vya-quiz-result{background:#f7f9f9!important;border:1px solid #ccd6da!important;border-radius:0!important;box-shadow:none!important}
.vya-scenario{border-left:3px solid #476e7e!important}.vya-choicegrid button,.vya-question label,.vya-scenario [data-vya-feedback]{border-radius:0!important;background:#fff!important;box-shadow:none!important}
.vya-choicegrid button.correct{background:#edf3f0!important;border-color:#76917e!important}.vya-choicegrid button.incorrect{background:#f7efed!important;border-color:#b1887f!important}
.vya-assignment{border-left:3px solid #7e8c92!important}.vya-lesson-body p{line-height:1.7}.vya-lesson-body table{font-size:13px}
@media(max-width:600px){.vya-hero{padding:23px 21px}.vya-card{min-height:0}}

/* Marine Water Disinfection — restrained technical record */
.vyd-method-register{border:1px solid #b6c3cb;background:#f9fbfb;padding:22px;margin:20px 0 26px}
.vyd-method-register h3{margin:5px 0 9px}
.vyd-method-register label{display:block;font-weight:600;font-size:14px;margin:12px 0 5px}
.vyd-method-register input,.vyd-method-register select,.vyd-method-register textarea{box-sizing:border-box;width:100%;border:1px solid #9caeb8;background:white;color:#203642;border-radius:2px;padding:10px;font:inherit}
.vyd-formgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}
#vyd-method-status{font-weight:600;color:#244e60}
@media(max-width:680px){.vyd-formgrid{grid-template-columns:1fr}}

.vya-scenario [data-vyd-feedback]{border-radius:0;padding:13px;background:#fff;font-size:14px;margin:14px 0 0;border:1px solid #d5dde0}

/* Reverse Osmosis worksheet — monochrome technical style */
.vyro-calculator{background:#fff!important;padding:22px}
.vyro-calculator h3{margin:9px 0}
.vyro-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 22px}
.vyro-grid label{display:block;font-size:13px;font-weight:650;color:#344a54}
.vyro-grid input{display:block;box-sizing:border-box;width:100%;margin-top:6px;padding:11px;border:1px solid #aab9c0;border-radius:1px;background:#fff;color:#172f3a}
.vyro-result{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid #d1dce1;margin:18px 0}
.vyro-result>div{padding:14px;border-right:1px solid #d1dce1}.vyro-result>div:last-child{border-right:0}
.vyro-result small{display:block;font-size:12px;color:#52636d}.vyro-result strong{display:block;font-size:18px;margin-top:4px;font-variant-numeric:tabular-nums}
#vyro-validation,#vyro-practice-status{font-size:12px;color:#52636d}
.vya-scenario [data-vyro-feedback]{background:#fff;border:1px solid #d5dde0;padding:12px;margin-top:12px}
@media(max-width:600px){.vyro-grid{grid-template-columns:1fr}.vyro-result{grid-template-columns:1fr}.vyro-result>div{border-right:0;border-bottom:1px solid #d1dce1}}

/* Vorenico Academy 1.6 visuals and protected course login */
.vya-card-illustration{display:block;aspect-ratio:16/9;overflow:hidden;margin:-23px -23px 16px;background:#eef3f5}
.vya-card-illustration img{width:100%;height:100%;object-fit:cover;display:block}
.vya-course-visual{margin:0 0 24px;border:1px solid #d6e1e4;background:white}
.vya-course-visual .vya-course-visual-link{display:block;line-height:0;background:#fff}
.vya-course-visual img{display:block;width:100%!important;height:auto!important;max-width:100%!important;max-height:none!important;aspect-ratio:auto!important;object-fit:contain!important}
.vya-course-visual figcaption{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:10px 13px;font-size:12px;color:#667b84;line-height:1.5}
.vya-course-visual figcaption a{white-space:nowrap;color:#176e78;text-decoration:underline;text-underline-offset:2px}
.vya-course-visual .vya-course-visual-link:focus-visible,.vya-course-visual figcaption a:focus-visible{outline:3px solid #1c8f99;outline-offset:3px}
.vya-locked-body{max-width:460px;background:white;border:1px solid #d8e2e5;padding:26px;margin:25px auto 50px}
.vya-locked-icon{font-size:29px}.vya-locked-body h2{font-size:26px}.vya-locked-body p{color:#536c77;font-size:14px}
.vya-locked-body form label{display:block;margin:13px 0 5px;font-size:13px;font-weight:650}
.vya-locked-body input[type=text],.vya-locked-body input[type=password]{width:100%;padding:10px;border:1px solid #bdcfd4}
.vya-locked-body input[type=submit]{padding:11px 19px;background:#248779;color:white;border:0;cursor:pointer}
.vya-locked-body a{color:#248779;text-decoration:underline}
@media(max-width:600px){.vya-card-illustration{margin:-17px -17px 14px}.vya-locked-body{margin:20px auto;padding:19px}}

/* Optional Water Chemistry course */
.vych-calculator{border:1px solid #b9c9ce;background:#f7faf9;padding:22px;margin:25px 0}
.vych-calculator h3{font-size:21px;margin:8px 0}
.vych-inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:16px 0}
.vych-inputs label{display:block;font-weight:600;font-size:13px;color:#233b46}
.vych-inputs input{display:block;width:100%;box-sizing:border-box;border:1px solid #aebdc1;padding:11px;background:#fff;margin-top:6px;font-size:16px;color:#182c37}
.vych-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid #cdd9db;background:#fff}
.vych-results>div{padding:14px;border-right:1px solid #cdd9db}.vych-results>div:last-child{border-right:none}
.vych-results small{display:block;color:#566a73;font-size:12px}.vych-results strong{display:block;margin-top:7px;font-size:18px}
#vych-calc-status{font-size:13px;color:#445d66}
@media(max-width:620px){.vych-inputs,.vych-results{grid-template-columns:1fr}.vych-results>div{border-right:0;border-bottom:1px solid #cdd9db}}

/* Water Chemistry v1.12 — CO2 experiment */
.vych-co2-practice{border:1px solid #c0d3d2;background:#f4f9f7;padding:22px;margin:26px 0}
.vych-co2-practice h3{font-size:21px;margin:8px 0}
.vych-co2-choices{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.vych-co2-choices button{border:1px solid #80aba7;background:#fff;color:#174852;padding:11px 15px;border-radius:5px;font-weight:700;cursor:pointer}
.vych-co2-choices button[aria-pressed="true"]{color:#fff;background:#185d5d}
.vych-co2-readings{display:grid;grid-template-columns:1fr 1fr 1.4fr;border:1px solid #cfdddc;background:#fff}
.vych-co2-readings>div{padding:13px;border-right:1px solid #cfdddc}.vych-co2-readings>div:last-child{border-right:0}
.vych-co2-readings small{display:block;font-size:12px;color:#567078;margin-bottom:8px}
.vych-co2-readings strong{font-size:21px;color:#123744}
#vych-co2-explanation{line-height:1.65;font-size:15px;font-weight:500}
@media(max-width:650px){.vych-co2-readings{grid-template-columns:1fr}.vych-co2-readings>div{border-right:0;border-bottom:1px solid #cfdddc}}

/* Version 1.13: interactive practice tools for the optional advanced chemistry course */
.vych-practice{border:1px solid #b9cdd0;background:#f7faf9;padding:22px;margin:24px 0;border-radius:12px}
.vych-practice h3{font-size:21px;margin:7px 0 11px}.vych-practice p{max-width:100%}
.vych-practice .vych-results{margin-top:18px}.vych-practice .vych-results strong{overflow-wrap:anywhere}
.vych-slider-label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-weight:700;margin:12px 0}
#vych-heat-temp{width:100%;accent-color:#008b94;cursor:pointer}
.vych-ports-table{border-collapse:collapse;width:100%;margin:15px 0;background:#fff}
.vych-ports-table th,.vych-ports-table td{padding:10px 12px;border-bottom:1px solid #d2e0e2;text-align:left;font-size:14px}
.vych-ports-table th{font-weight:600;width:65%}
.vych-practice [aria-pressed="true"]{background:#008b94;color:#fff}
@media(max-width:620px){.vych-practice{padding:16px}.vych-ports-table th,.vych-ports-table td{font-size:12px;padding:9px}}