/*
Theme Name: Master Student
Theme URI: https://masterstudent.ca/
Description: Lean custom theme for Master Student ("margin notes" design, Nov 2026). No page builder.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.0
Text Domain: masterstudent
*/

:root{
  --ink:#17202E; --muted:#4A5466; --body:#2B3546; --line:#E3E6EB; --line2:#C9CED8;
  --soft:#F5F6F8; --soft2:#EEF1F6; --blue:#1F4FD1; --blue-d:#163BA0; --blue-soft:#F3F6FE;
  --hl:#FFE066; --green:#1D6B3F; --green-bg:#E7F3EC; --amber:#7A5300; --amber-bg:#FFF4D6;
  --sans:'Instrument Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --hand:'Caveat','Segoe Print','Bradley Hand',cursive;
  --r:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;overflow-x:hidden}
img,video,iframe,embed,object{max-width:100%;height:auto}
a{color:var(--blue)}a:hover{color:var(--blue-d)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-0.015em;color:var(--ink)}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
.skip-link:focus{position:fixed;left:12px;top:12px;z-index:1000;width:auto;height:auto;clip:auto;background:#fff;padding:10px 14px;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,.2)}
.wrap{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:32px;padding-right:32px}
.ms-row{display:flex;justify-content:space-between;align-items:center;gap:16px}
.eyebrow{margin:0;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}
.eyebrow.muted{color:var(--muted)}
.hand{font-family:var(--hand);color:var(--blue);font-weight:500}
.hl{background:linear-gradient(transparent 58%,var(--hl) 58%,var(--hl) 92%,transparent 92%)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:10px;font-weight:600;font-size:16px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-d);color:#fff}
.btn-ghost{border-color:var(--line2);color:var(--ink);background:#fff}.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-white{background:#fff;color:var(--ink)}.btn-white:hover{color:var(--blue)}
.card{border:1px solid var(--line);border-radius:var(--r);background:#fff}
a.card{text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s}
a.card:hover{border-color:#B9C3D6;box-shadow:0 10px 24px -18px rgba(23,32,46,.5)}
.pill{display:inline-block;padding:4px 10px;border-radius:99px;font-size:14px;font-weight:600}
.pill-green{background:var(--green-bg);color:var(--green)}.pill-amber{background:var(--amber-bg);color:var(--amber)}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:99px;background:var(--soft);font-size:15px;color:var(--ink)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{margin:0 0 8px;font-size:32px;letter-spacing:-0.02em}
.section-head p{margin:0;color:var(--muted);font-size:17px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}

/* Header */
.site-header{border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:50}
.site-header .wrap{height:76px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.brand span{font-weight:700;font-size:20px;letter-spacing:-0.01em}
.brand:hover{color:var(--ink)}
.main-nav ul{list-style:none;margin:0;padding:0}
.main-nav>ul{display:flex;gap:6px;align-items:center}
.main-nav li{position:relative}
.main-nav a{display:flex;align-items:center;min-height:44px;padding:0 11px;color:var(--ink);text-decoration:none;font-weight:500;font-size:15px;border-radius:8px}
.main-nav a:hover,.main-nav .current-menu-item>a,.main-nav .current-menu-ancestor>a{color:var(--blue)}
.main-nav .menu-item-has-children>a::after{content:"";width:7px;height:7px;margin-left:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-3px)}
.main-nav .sub-menu{position:absolute;left:0;top:100%;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:0 18px 40px -20px rgba(23,32,46,.4);opacity:0;visibility:hidden;transform:translateY(4px);transition:.15s}
.main-nav li:hover>.sub-menu,.main-nav li:focus-within>.sub-menu{opacity:1;visibility:visible;transform:none}
.main-nav .sub-menu a{font-size:15px;padding:0 12px}
.main-nav .sub-menu a:hover{background:var(--soft)}
.header-actions{display:flex;gap:8px;align-items:center}
.icon-btn{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--ink)}
.menu-toggle{display:none}
.search-panel{border-top:1px solid var(--line);background:var(--soft);padding:18px 0}
.search-panel[hidden]{display:none}
.search-form{display:flex;gap:10px;flex-wrap:wrap}
.search-form label{flex:1 1 280px;display:flex}
.search-form input[type=search]{flex:1;min-height:48px;border:1px solid var(--line2);border-radius:10px;padding:0 14px;font:inherit;background:#fff}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--soft);margin-top:0}
.footer-grid{padding-top:48px;padding-bottom:48px;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px}
.footer-grid h2{font-size:15px;margin:0 0 10px;letter-spacing:0}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:15px}
.footer-grid p{margin:10px 0 0;color:var(--muted);line-height:1.6;font-size:15px}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;color:var(--muted);font-size:14px}

/* Home */
.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:56px;align-items:center;padding-top:88px;padding-bottom:96px}
.hero h1{margin:0;font-size:60px;line-height:1.04;letter-spacing:-0.025em;font-weight:700}
.hero .lead{margin:24px 0 0;font-size:19px;line-height:1.6;color:var(--muted);max-width:560px}
.hero .hand-note{margin:0 0 18px;font-size:28px;transform:rotate(-2deg);display:inline-block}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.top-tests{padding:28px;position:relative;box-shadow:0 1px 0 var(--line),0 18px 40px -24px rgba(23,32,46,.35)}
.top-tests ol{list-style:none;margin:0;padding:0}
.top-tests li{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid var(--line)}
.top-tests li:last-child{border-bottom:1px solid var(--line)}
.top-tests li a{color:var(--ink);text-decoration:none;font-weight:600}
.top-tests li a:hover{color:var(--blue)}
.num{font-variant-numeric:tabular-nums;color:var(--muted)}
.top-tests .hand{position:absolute;right:-14px;bottom:-34px;font-size:24px;transform:rotate(-4deg)}
.band{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.path{padding:28px;display:flex;flex-direction:column;gap:10px}
.path strong{font-size:22px;line-height:1.3}
.path span.desc{color:var(--muted);line-height:1.55}
.test-card{padding:22px}
.test-card strong{display:block;font-size:18px}
.test-card span{display:block;color:var(--muted);margin-top:6px}
.table-card{overflow-x:auto}
.table-card table{width:100%;border-collapse:collapse;font-size:16px;min-width:640px}
.table-card th{padding:16px 22px;text-align:left;color:var(--muted);font-size:13px;letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.table-card td{padding:18px 22px;border-top:1px solid var(--line)}
.table-card td a{color:var(--ink);font-weight:600;text-decoration:none}
.table-card td a:hover{color:var(--blue)}
.post-card{text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:12px}
.post-card .thumb{aspect-ratio:16/10;border-radius:12px;background:var(--soft2);overflow:hidden;display:flex;align-items:flex-end;padding:18px}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .thumb .hand{font-size:26px;color:var(--ink);opacity:.75}
.post-card strong{font-size:21px;line-height:1.3}
.post-card:hover strong{color:var(--blue)}
.dark{background:var(--ink);color:#fff}
.dark h2{color:#fff}
.dark .spot{border:1px solid #33405A;border-radius:12px;padding:18px;text-decoration:none;color:#fff;display:block}
.dark .spot:hover{border-color:#6E7FA3;color:#fff}
.dark .spot span{display:block;color:#C9D1DE;font-size:14px;margin-top:4px}
.uni-strip{border-top:1px solid var(--line);background:#FAFBFC;padding:36px 0}
.uni-strip-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.uni-strip-head h2{font-size:13px;margin:0}
.uni-strip-head .hand{margin:0;font-size:22px}
.uni-logos{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));gap:18px;align-items:center}
.uni-logos img{width:100%;max-width:76px;height:auto;margin:0 auto;display:block;filter:grayscale(1);opacity:.75;transition:filter .2s,opacity .2s}
.uni-logos img:hover{filter:none;opacity:1}
.dark-photo{position:relative;background:#0F1622;overflow:hidden}
.dark-photo .dark-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.dark-photo .spot{background:rgba(15,22,34,.55);border-color:rgba(255,255,255,.28)}
.dark-photo .spot span{color:#DCE3EE}
.note-body{font-family:var(--serif);font-size:19px;line-height:1.7;color:var(--body)}
.note-body p{margin:0 0 16px}
.contact-card{padding:28px}
.contact-card h3{margin:0 0 6px;font-size:20px}

/* Forms (WPForms + comments) */
.wpforms-container .wpforms-field-label{font-weight:600!important;font-size:14px!important;color:var(--ink)!important}
.wpforms-container input[type=text],.wpforms-container input[type=email],.wpforms-container textarea,
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;max-width:100%!important;min-height:44px;border:1px solid var(--line2)!important;border-radius:8px!important;padding:10px 12px!important;font:inherit!important;background:#fff}
.wpforms-container button[type=submit],.comment-form .submit{background:var(--blue)!important;color:#fff!important;border:0!important;border-radius:10px!important;min-height:48px!important;padding:0 22px!important;font:600 16px var(--sans)!important;cursor:pointer}
.wpforms-container{margin:14px 0 0!important}

/* Article */
.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:20px}
.breadcrumbs a{color:var(--muted)}
.entry-header{padding-top:56px}
.entry-header h1{margin:0;font-size:52px;line-height:1.08;letter-spacing:-0.025em;max-width:880px}
.byline{display:flex;align-items:center;gap:14px;margin-top:24px;flex-wrap:wrap;color:var(--muted);font-size:15px}
.byline .avatar{width:44px;height:44px;border-radius:50%;background:#DDE4F2;display:flex;align-items:center;justify-content:center;flex:none}
.byline strong{display:block;color:var(--ink);font-size:16px}
.feature{margin-top:40px;border-radius:16px;overflow:hidden}
.feature img{width:100%;display:block}
.article-layout{display:grid;grid-template-columns:minmax(0,720px) minmax(0,1fr);gap:64px;align-items:start;padding-top:48px;padding-bottom:64px}
.entry-content{font-family:var(--serif);font-size:19px;line-height:1.75;color:var(--body);min-width:0}
.entry-content>*{max-width:100%}
.entry-content h2,.entry-content h3,.entry-content h4{font-family:var(--sans);color:var(--ink)}
.entry-content h2{font-size:28px;margin:44px 0 12px}
.entry-content h3{font-size:22px;margin:32px 0 10px}
.entry-content p{margin:0 0 20px}
.entry-content ul,.entry-content ol{padding-left:1.3em;margin:0 0 20px}
.entry-content li{margin:0 0 6px}
.entry-content blockquote{margin:28px 0;padding:6px 0 6px 22px;border-left:3px solid var(--hl);font-style:italic}
.entry-content table{border-collapse:collapse;display:block;overflow-x:auto;max-width:100%;font-family:var(--sans);font-size:16px;line-height:1.5;margin:0 0 24px}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.entry-content thead th,.entry-content tr:first-child th{background:var(--soft)}
.entry-content img{border-radius:10px}
.entry-content figure{margin:28px 0}
.entry-content figcaption{font-family:var(--sans);font-size:14px;color:var(--muted);margin-top:8px}
.entry-content .wp-block-button__link{background:var(--blue);border-radius:10px;font-family:var(--sans);font-weight:600}
.entry-content a{text-underline-offset:3px}
#ez-toc-container{background:var(--soft)!important;border:1px solid var(--line)!important;border-radius:12px!important;padding:18px 22px!important;font-family:var(--sans)!important;box-shadow:none!important;width:100%!important;margin:0 0 28px!important}
#ez-toc-container .ez-toc-title{font-size:13px!important;font-weight:600!important;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)!important}
#ez-toc-container a{color:var(--ink)!important;font-size:16px}
#ez-toc-container a:hover{color:var(--blue)!important}
.rail{position:sticky;top:24px;display:flex;flex-direction:column;gap:22px;font-family:var(--sans)}
.rail .card{padding:20px 22px}
.rail h2{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.rail ul{list-style:none;margin:0;padding:0}
.rail li a{display:block;padding:9px 0;border-top:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:15px;line-height:1.4}
.rail li a:hover{color:var(--blue)}
.rail .hand{font-size:23px;line-height:1.25;transform:rotate(-2deg)}
.cta-card{display:flex;justify-content:space-between;align-items:center;gap:16px;border:1px solid #C9D6F5;background:var(--blue-soft);border-radius:12px;padding:20px 22px;margin:32px 0;text-decoration:none;font-family:var(--sans);color:var(--ink)}
.cta-card strong{display:block;font-size:18px}
.cta-card span.sub{display:block;color:var(--muted);font-size:15px;margin-top:2px}
.cta-card .go{font-weight:600;color:var(--blue);white-space:nowrap}
.cta-card:hover{color:var(--ink);border-color:var(--blue)}
.about-box{display:flex;gap:18px;align-items:flex-start;border-top:1px solid var(--line);padding-top:32px;margin-top:20px;font-family:var(--sans)}
.about-box p{margin:0 0 6px}
.about-box .muted{color:var(--muted);line-height:1.6}
.related{background:var(--soft);border-top:1px solid var(--line)}
.related .card{padding:22px}
.related strong{display:block;margin-top:8px;font-size:19px;line-height:1.3}

/* Comments */
.comments-area{font-family:var(--sans);padding:8px 0 56px;max-width:720px}
.comments-area h2{font-size:24px}
.comment-list{list-style:none;margin:0;padding:0}
.comment-list .children{list-style:none;padding-left:28px}
.comment-body{border-top:1px solid var(--line);padding:18px 0}
.comment-meta{font-size:14px;color:var(--muted)}
.comment-author .avatar{border-radius:50%;vertical-align:middle;margin-right:8px}
.comment-content{font-size:16px}

/* Pages */
.page-header{padding:52px 0 8px}
.page-header h1{margin:0;font-size:46px;letter-spacing:-0.025em;line-height:1.08}
.page-header .lead{margin:14px 0 0;font-size:19px;color:var(--muted);max-width:740px}
.page-body{padding:32px 0 72px}
.page-body .entry-content{font-family:var(--sans);font-size:17px;line-height:1.65}
.page-body.narrow .entry-content{max-width:760px;font-family:var(--serif);font-size:19px;line-height:1.75}

/* Practice test page */
.quiz-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;padding-top:28px;padding-bottom:72px}
.quiz-box{border:1px solid var(--line);border-radius:16px;padding:8px;background:#fff}
.quiz-box .entry-content{font-family:var(--sans);font-size:17px;line-height:1.6}
.ays-quiz-container{box-shadow:none!important;border-radius:12px!important;max-width:100%!important;width:100%!important;font-family:var(--sans)!important}
.ays-quiz-container .ays_question_label,.ays-quiz-container .ays_quiz_question{font-family:var(--sans)!important}
.ays-quiz-container .ays-field label{border:1px solid #D5DAE2!important;border-radius:12px!important;min-height:52px;display:flex!important;align-items:center;padding:10px 16px!important;font-size:17px!important}
.ays-quiz-container .ays-field input:checked+label{border-color:var(--blue)!important;background:var(--blue-soft)!important;box-shadow:inset 0 0 0 1px var(--blue)}
.ays-quiz-container input.action-button,.ays-quiz-container .ays_next,.ays-quiz-container .ays_previous,.ays-quiz-container .ays_finish,.ays-quiz-container .start_button{background:var(--blue)!important;border-radius:10px!important;min-height:46px;font-family:var(--sans)!important;font-weight:600!important;border:0!important}
.series-nav h2{margin:0 0 10px}
.series-nav a.here{font-weight:700;color:var(--blue)}
.series-nav li a{display:flex;justify-content:space-between;gap:10px}
.series-nav li a span{color:var(--muted);font-weight:400}
.series-nav .done-mark{color:var(--green);font-weight:600}

/* Hub */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.tabs a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:10px;border:1px solid var(--line2);background:#fff;font-weight:600;color:var(--ink);text-decoration:none}
.tabs a:hover{border-color:var(--ink)}
.tiles{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.tile{border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:4px}
.tile:hover{border-color:var(--blue);color:var(--ink)}
.tile b{display:flex;justify-content:space-between;align-items:center}
.tile small{font-size:14px;color:var(--muted)}
.tile.is-done{background:#F2F8F4;border-color:#BFE0CB}
.tile .tick{display:none;width:18px;height:18px}
.tile.is-done .tick{display:block}
.series{padding-top:36px;scroll-margin-top:20px}
.series h2{margin:0;font-size:24px}

/* Archive */
.post-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:24px 0 40px}
.post-list .card{padding:22px;display:flex;flex-direction:column;gap:8px}
.post-list .card strong{font-size:19px;line-height:1.3}
.post-list .card .excerpt{color:var(--muted);font-size:15px;line-height:1.55}
.pagination{padding:0 0 72px}
.pagination .nav-links{display:flex;gap:8px;flex-wrap:wrap}
.pagination .page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink);padding:0 12px}
.pagination .current{background:var(--ink);color:#fff;border-color:var(--ink)}

/* Responsive */
@media (max-width:1060px){
  .main-nav a{padding:0 8px;font-size:14px}
}
@media (max-width:960px){
  .wrap{padding-left:20px;padding-right:20px}
  .menu-toggle{display:flex}
  .main-nav{display:none;position:absolute;left:0;right:0;top:76px;background:var(--ink);padding:12px 20px 24px;max-height:calc(100vh - 76px);overflow:auto}
  .main-nav.is-open{display:block}
  .main-nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav a{color:#fff;font-size:19px;font-weight:600;min-height:52px;border-top:1px solid #33405A;border-radius:0}
  .main-nav a:hover,.main-nav .current-menu-item>a{color:var(--hl)}
  .main-nav .sub-menu{position:static;opacity:1;visibility:visible;transform:none;background:transparent;border:0;box-shadow:none;padding:0 0 6px 14px;min-width:0}
  .main-nav .sub-menu a{font-size:16px;font-weight:500;min-height:44px;border-top:0;color:#C9D1DE}
  .main-nav .sub-menu a:hover{background:transparent}
  .main-nav .menu-item-has-children>a::after{display:none}
  .hero,.grid2,.grid3,.grid4,.post-list,.article-layout,.quiz-layout{grid-template-columns:minmax(0,1fr)}
  .hero{gap:48px;padding-top:48px;padding-bottom:72px}
  .hero h1{font-size:38px}
  .entry-header h1,.page-header h1{font-size:34px}
  .rail{position:static}
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .uni-logos{grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}
  .top-tests .hand{right:6px}
  .section-head h2{font-size:26px}
  .entry-content{font-size:18px}
}
@media (max-width:420px){
  .brand span{font-size:18px}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}