:root {
  --blue: #155eef;
  --blue-dark: #0e3fae;
  --navy: #10233f;
  --coral: #ff5a4f;
  --sky: #e9f2ff;
  --line: #d8e1ee;
  --muted: #5e6d82;
  --surface: #ffffff;
  --page: #f5f8fc;
  --shadow: 0 24px 70px rgba(26, 57, 96, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--navy); background: var(--page); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, select { font: inherit; }
button, select, input { min-height: 44px; }
button { cursor: pointer; }
a { color: inherit; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: 10px; padding: 10px 14px; color: #fff; background: var(--navy); border-radius: 8px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid rgba(21,94,239,.35); outline-offset: 3px; }

.site-header { min-height: 76px; display: flex; align-items: center; gap: 28px; padding: 14px clamp(20px, 5vw, 72px); background: #fff; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--navy); font-size: 1.02rem; font-weight: 760; text-decoration: none; letter-spacing: -.025em; }
.brand strong { color: var(--blue); }
.brand-mark { width: 38px; height: 38px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; padding: 8px; background: var(--blue); border-radius: 12px; transform: rotate(-3deg); }
.brand-mark i { background: #fff; border-radius: 2px; }
.brand-mark i:last-child { background: var(--coral); }
.site-header nav { display: flex; gap: 24px; margin-left: auto; }
.site-header nav a { color: #536278; font-size: .92rem; font-weight: 650; text-decoration: none; }
.site-header nav a:hover { color: var(--blue); }
.header-print { padding: 0 19px; color: #fff; background: var(--navy); border: 0; border-radius: 12px; font-weight: 750; }

main { width: min(1500px, calc(100% - 32px)); margin: 0 auto; }
.product-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .7fr); align-items: end; gap: 48px; padding: 42px 4px 28px; }
.free-pill { display: inline-flex; padding: 7px 11px; color: var(--blue-dark); background: #dceaff; border-radius: 999px; font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.product-intro h1 { max-width: 800px; margin: 15px 0 0; font-size: clamp(2.45rem, 5vw, 5rem); line-height: .98; letter-spacing: -.065em; }
.product-intro p { max-width: 540px; margin: 0 0 5px; color: var(--muted); font-size: 1.08rem; line-height: 1.65; }

.calendar-studio { display: grid; grid-template-columns: 350px minmax(0, 1fr); min-height: 790px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); }
.control-panel { padding: 24px; background: #fff; border-right: 1px solid var(--line); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.panel-heading span { font-size: 1.05rem; font-weight: 820; }
.panel-heading button { min-height: 34px; padding: 0 11px; color: var(--muted); background: transparent; border: 1px solid var(--line); border-radius: 9px; font-size: .8rem; font-weight: 700; }
fieldset { min-width: 0; margin: 22px 0 0; padding: 0; border: 0; }
legend, label { color: #46566d; font-size: .85rem; font-weight: 720; }
.segmented { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-top: 9px; padding: 5px; background: #edf2f8; border-radius: 12px; }
.segmented button { color: #65748a; background: transparent; border: 0; border-radius: 9px; font-weight: 750; }
.segmented button.is-active { color: var(--navy); background: #fff; box-shadow: 0 3px 10px rgba(20, 43, 73, .12); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.field-row label, .title-field { display: grid; gap: 8px; }
select, input[type="text"] { width: 100%; padding: 0 12px; color: var(--navy); background: #fff; border: 1px solid #c9d4e3; border-radius: 11px; font-weight: 620; outline: none; }
select:focus, input[type="text"]:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(21, 94, 239, .13); }
select:disabled { opacity: .5; }
.title-field { margin-top: 18px; }
.color-choices { display: flex; gap: 12px; margin-top: 10px; }
.color-choices button { min-width: 0; width: 44px; padding: 5px; background: #fff; border: 2px solid transparent; border-radius: 50%; }
.color-choices button.is-active { border-color: var(--navy); }
.color-choices span { display: block; width: 30px; height: 30px; background: #155eef; border-radius: 50%; }
.color-choices [data-theme="berry"] span { background: #b42372; }
.color-choices [data-theme="citrus"] span { background: #f79009; }
.color-choices [data-theme="ink"] span { background: #1d2939; }
.switch-list { display: grid; gap: 2px; margin-top: 20px; padding-top: 12px; border-top: 1px solid var(--line); }
.switch-list label { position: relative; min-height: 46px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.switch-list input { position: absolute; z-index: 2; right: 0; width: 42px; height: 24px; margin: 0; opacity: 0; cursor: pointer; }
.switch-list i { position: relative; width: 42px; height: 24px; background: #cfd8e5; border-radius: 999px; transition: .2s; }
.switch-list i::after { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: #fff; border-radius: 50%; box-shadow: 0 1px 4px rgba(0,0,0,.22); transition: .2s; }
.switch-list input:checked + i { background: var(--blue); }
.switch-list input:checked + i::after { transform: translateX(18px); }
.switch-list input:focus-visible + i { outline: 3px solid rgba(21,94,239,.25); }
.primary-print { width: 100%; display: flex; align-items: center; justify-content: space-between; margin-top: 18px; padding: 0 18px; color: #fff; background: var(--blue); border: 0; border-radius: 13px; box-shadow: 0 8px 22px rgba(21,94,239,.25); font-weight: 800; }
.primary-print:hover { background: var(--blue-dark); }
.primary-print b { font-size: 1.2rem; }
.privacy-note { margin: 11px 4px 0; color: #7a8798; font-size: .75rem; line-height: 1.45; }

.preview-stage { min-width: 0; display: flex; flex-direction: column; background: radial-gradient(circle at 20% 15%, #edf5ff 0, transparent 33%), linear-gradient(135deg, #d8e9ff, #f1f6fd 55%, #e9eef8); }
.preview-toolbar { min-height: 58px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 8px 18px; background: rgba(255,255,255,.86); border-bottom: 1px solid rgba(175,193,217,.7); backdrop-filter: blur(8px); }
.preview-toolbar > div { display: flex; gap: 7px; }
.preview-toolbar button { width: 38px; min-height: 38px; color: var(--navy); background: #fff; border: 1px solid var(--line); border-radius: 10px; font-weight: 800; }
.preview-toolbar > span { color: #5d6d84; font-size: .8rem; font-weight: 760; }
.ready-badge { justify-self: end; padding: 7px 10px; color: #0f6848 !important; background: #d7f7ea; border-radius: 999px; }
.sheet-wrap { flex: 1; display: grid; place-items: start center; overflow: auto; padding: clamp(28px, 5vw, 60px); }
.calendar-sheet { --accent: #155eef; --accent-soft: #eaf1ff; width: min(920px, 100%); aspect-ratio: 11 / 8.5; padding: clamp(22px, 3vw, 42px); color: #16253a; background: #fff; border-radius: 6px; box-shadow: 0 25px 60px rgba(29, 58, 96, .2); }
.calendar-sheet.is-portrait { width: min(670px, 100%); aspect-ratio: 8.5 / 11; }
.calendar-sheet[data-theme="berry"] { --accent: #b42372; --accent-soft: #fce7f3; }
.calendar-sheet[data-theme="citrus"] { --accent: #c45d00; --accent-soft: #fff1d6; }
.calendar-sheet[data-theme="ink"] { --accent: #1d2939; --accent-soft: #f0f2f5; }
.sheet-heading { min-height: 82px; display: flex; align-items: start; justify-content: space-between; gap: 20px; padding-bottom: 16px; border-bottom: 5px solid var(--accent); }
.sheet-heading span { display: inline-block; padding-left: 3px; color: var(--accent); font-size: .72rem; font-weight: 850; letter-spacing: .14em; }
.sheet-heading h2 { margin: 6px 0 0; font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1; letter-spacing: -.055em; }
.sheet-heading h2 b { color: var(--accent); font-weight: 500; }
.sheet-heading p { max-width: 250px; margin: 6px 0 0; color: #52647a; font-size: 1rem; font-weight: 700; text-align: right; }
.calendar-weekdays, .calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); }
.calendar-weekdays { margin-top: 16px; color: #53657b; background: var(--accent-soft); border-radius: 8px 8px 0 0; }
.calendar-weekdays span { padding: 9px 6px; font-size: .72rem; font-weight: 820; text-align: center; text-transform: uppercase; }
.calendar-grid { border-top: 1px solid #aeb9c7; border-left: 1px solid #aeb9c7; }
.calendar-grid > span { min-height: clamp(58px, 7vw, 92px); padding: 8px; border-right: 1px solid #aeb9c7; border-bottom: 1px solid #aeb9c7; font-size: .85rem; font-weight: 720; }
.calendar-grid > span.is-weekend:not(.is-empty) { background: var(--accent-soft); }
.calendar-grid > span.is-empty { background: #fafbfd; }
.notes-area { display: grid; grid-template-columns: auto repeat(3, 1fr); gap: 12px; align-items: end; margin-top: 18px; color: #617187; font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.notes-area[hidden] { display: none; }
.notes-area span { height: 20px; border-bottom: 1px solid #aeb9c7; }
.calendar-sheet.is-year { display: flex; flex-direction: column; }
.calendar-sheet.is-year .sheet-heading { min-height: 58px; }
.calendar-sheet.is-year .calendar-weekdays { display: none; }
.calendar-sheet.is-year .calendar-grid { flex: 1; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: repeat(4, minmax(112px, 1fr)); gap: clamp(10px, 1.2vw, 16px); margin-top: 16px; border: 0; }
.calendar-sheet.is-year .calendar-grid > .mini-month { min-height: 0; display: flex; flex-direction: column; padding: 12px 13px; border: 1px solid #c7d1de; border-radius: 9px; }
.mini-month h3 { margin: 0 0 8px; color: var(--accent); font-size: .92rem; }
.mini-weekdays, .mini-days { display: grid; grid-template-columns: repeat(7, 1fr); text-align: center; }
.mini-weekdays { color: #64748a; font-size: .5rem; font-weight: 800; }
.mini-days { flex: 1; align-items: center; gap: 2px 0; margin-top: 4px; color: #26364b; font-size: .62rem; }

.use-strip { display: flex; align-items: center; gap: 25px; margin: 34px 0 0; padding: 20px 26px; background: var(--navy); border-radius: 18px; }
.use-strip > span { color: #9fc1ff; font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }
.use-strip ul { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.use-strip li { padding: 8px 12px; color: #fff; background: rgba(255,255,255,.1); border-radius: 999px; font-size: .86rem; }
.print-help { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(40px, 8vw, 120px); padding: 100px clamp(10px, 5vw, 70px); }
.section-label { color: var(--blue); font-size: .76rem; font-weight: 850; letter-spacing: .12em; }
.section-copy h2, .questions h2 { margin: 12px 0 16px; font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1.02; letter-spacing: -.05em; }
.section-copy p { color: var(--muted); font-size: 1rem; line-height: 1.7; }
.print-help ol { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.print-help li { display: grid; grid-template-columns: 50px 1fr; gap: 16px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.print-help li > b { width: 44px; height: 44px; display: grid; place-items: center; color: #fff; background: var(--coral); border-radius: 13px; }
.print-help h3 { margin: 0 0 6px; font-size: 1rem; }
.print-help p { margin: 0; color: var(--muted); line-height: 1.5; }
.questions { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(40px, 8vw, 120px); padding: 70px clamp(10px, 5vw, 70px) 110px; border-top: 1px solid var(--line); }
.question-list details { border-bottom: 1px solid var(--line); }
.question-list summary { display: flex; justify-content: space-between; gap: 20px; padding: 22px 0; font-size: 1.02rem; font-weight: 760; cursor: pointer; list-style: none; }
.question-list summary::-webkit-details-marker { display: none; }
.question-list p { margin: -5px 40px 22px 0; color: var(--muted); line-height: 1.65; }
.question-list details[open] summary span { transform: rotate(45deg); }
footer { display: flex; align-items: center; gap: 28px; padding: 34px clamp(20px, 5vw, 72px); color: #fff; background: var(--navy); }
footer p { margin: 0 auto 0 0; color: #aebed1; }
footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
footer nav a { color: #fff; font-size: .86rem; font-weight: 700; text-decoration: none; }
.footer-brand { color: #fff; }
.footer-brand strong { color: #9fc1ff; }

.swipe-hint { display: none; }
.tool-links { display: grid; grid-template-columns: .65fr 1.35fr; gap: clamp(36px, 6vw, 90px); padding: 95px clamp(10px, 5vw, 70px); }
.tool-links h2 { margin: 12px 0 0; font-size: clamp(2.1rem, 4vw, 3.7rem); line-height: 1; letter-spacing: -.05em; }
.tool-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.tool-card, .library-card { padding: 24px; color: inherit; background: #fff; border: 1px solid var(--line); border-radius: 18px; text-decoration: none; transition: transform .2s, box-shadow .2s; }
.tool-card:hover, .library-card:hover { transform: translateY(-3px); box-shadow: 0 16px 35px rgba(26,57,96,.12); }
.tool-card > span, .library-card > span { color: var(--blue); font-size: .7rem; font-weight: 850; letter-spacing: .1em; }
.tool-card h3, .library-card h2 { margin: 10px 0 8px; }
.tool-card p, .library-card p { margin: 0 0 18px; color: var(--muted); line-height: 1.55; }
.tool-card b, .library-card b, .text-link { color: var(--blue); font-weight: 800; }

.content-page { max-width: 850px; min-height: 640px; margin: 0 auto; padding: 90px 20px 120px; }
.content-page h1, .contact-copy h1, .library-hero h1, .tool-intro h1 { margin: 16px 0 22px; font-size: clamp(2.7rem, 6vw, 5.6rem); line-height: .98; letter-spacing: -.06em; }
.content-page .lede, .library-hero p, .tool-intro p { color: var(--muted); font-size: 1.18rem; line-height: 1.7; }
.content-page h2 { margin: 42px 0 10px; font-size: 1.5rem; }
.content-page p { color: #43546b; line-height: 1.75; }
.content-page a, .contact-page a { color: var(--blue-dark); }
.updated { color: #78869a !important; font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }

.contact-page { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(45px, 8vw, 120px); max-width: 1180px; min-height: 700px; margin: 0 auto; padding: 90px 20px 120px; }
.contact-copy p { max-width: 500px; color: var(--muted); font-size: 1.03rem; line-height: 1.7; }
.contact-email { margin-top: 28px; font-weight: 750; }
.contact-form { display: grid; gap: 18px; padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); }
.contact-form label { display: grid; gap: 8px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 11px 13px; color: var(--navy); background: #fff; border: 1px solid #c9d4e3; border-radius: 11px; outline: none; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(21,94,239,.13); }
.primary-action { min-height: 48px; color: #fff; background: var(--blue); border: 0; border-radius: 12px; font-weight: 800; }
.form-note { margin: 0; color: #738197; font-size: .8rem; line-height: 1.5; }
.form-success, .form-error { display: grid; gap: 4px; padding: 14px 16px; border-radius: 12px; }
.form-success { color: #0f6848; background: #d7f7ea; }
.form-error { color: #922018; background: #fee4e2; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.library-hero, .tool-intro { display: grid; grid-template-columns: 1.1fr .9fr; align-items: end; gap: 50px; padding: 70px 10px 50px; }
.library-hero p, .tool-intro p { margin: 0 0 10px; }
.library-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; padding: 0 10px 75px; }
.library-card.featured { grid-column: 1 / -1; color: #fff; background: var(--navy); border-color: var(--navy); }
.library-card.featured p { color: #bdcbe0; }
.library-card.featured b { color: #9fc1ff; }
.year-links { padding: 65px 10px 100px; border-top: 1px solid var(--line); }
.year-links h2 { font-size: clamp(1.8rem,4vw,3rem); }
.year-links div { display: flex; flex-wrap: wrap; gap: 10px; }
.year-links a { padding: 10px 14px; color: var(--blue-dark); background: #e6efff; border-radius: 999px; font-weight: 750; text-decoration: none; }

.tool-workbench { display: grid; grid-template-columns: 330px minmax(0,1fr); min-height: 790px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); }
.tool-sheet { display: flex; flex-direction: column; }
.tool-output { flex: 1; min-height: 0; margin-top: 16px; }
.weekly-grid { height: 72%; display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); gap: 7px; }
.weekly-day { min-width: 0; padding: 10px; border: 1px solid #c7d1de; border-radius: 9px; }
.weekly-day h3 { margin: 0; color: var(--accent); font-size: .78rem; }
.weekly-day p { margin: 3px 0 10px; color: #64748a; font-size: .68rem; }
.writing-lines { display: grid; gap: 14px; }
.writing-lines span, .planner-notes span { display: block; border-bottom: 1px solid #c7d1de; }
.planner-notes { height: 25%; display: grid; grid-template-columns: 1fr 2fr; gap: 10px; margin-top: 10px; }
.planner-notes section { display: grid; grid-template-rows: auto repeat(3,1fr); gap: 6px; padding: 9px; background: var(--accent-soft); border-radius: 8px; }
.planner-notes h3 { margin: 0; color: var(--accent); font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; }
.blank-weekdays { display: grid; grid-template-columns: repeat(7,1fr); color: var(--accent); background: var(--accent-soft); border-radius: 8px 8px 0 0; text-align: center; }
.blank-weekdays span { padding: 9px; font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.blank-grid { height: calc(100% - 34px); display: grid; grid-template-columns: repeat(7,1fr); grid-template-rows: repeat(6,1fr); border-top: 1px solid #aeb9c7; border-left: 1px solid #aeb9c7; }
.blank-grid > span { position: relative; border-right: 1px solid #aeb9c7; border-bottom: 1px solid #aeb9c7; }
.blank-grid i { position: absolute; width: 20px; height: 18px; right: 6px; top: 6px; border-bottom: 1px solid #c7d1de; }
.academic-grid { height: 100%; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); grid-template-rows: repeat(4,minmax(0,1fr)); gap: 10px; }
.academic-grid .mini-month { min-height: 0; display: flex; flex-direction: column; padding: 9px 10px; border: 1px solid #c7d1de; border-radius: 8px; }
.academic-grid .mini-month h3 { font-size: .75rem; }
.holiday-list { height: 86%; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); grid-template-rows: repeat(6,minmax(0,1fr)); gap: 8px 12px; }
.holiday-list section { display: grid; grid-template-columns: 105px 1fr; gap: 12px; align-items: center; min-height: 55px; padding: 8px 12px; border: 1px solid #c7d1de; border-radius: 8px; }
.holiday-list time { color: var(--accent); font-size: .75rem; font-weight: 800; }
.holiday-list h3 { margin: 0; font-size: .8rem; }
.holiday-list small { display: block; margin-top: 3px; color: #66768c; font-size: .65rem; }
.holiday-note { margin: 12px 2px 0; color: #617187; font-size: .67rem; line-height: 1.45; }
.tool-sheet.is-portrait .holiday-list { grid-template-columns: 1fr; grid-template-rows: repeat(11,minmax(0,1fr)); }
.tool-explainer { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding: 90px 50px 110px; }
.tool-explainer h2 { margin: 12px 0; font-size: clamp(2rem,4vw,3.5rem); line-height: 1; }
.tool-explainer ol { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.tool-explainer li { display: grid; grid-template-columns: 38px 1fr; gap: 13px; align-items: center; padding: 17px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.tool-explainer li b { width: 34px; height: 34px; display: grid; place-items: center; color: #fff; background: var(--coral); border-radius: 9px; }
.tool-explainer li p { margin: 0; color: var(--muted); line-height: 1.5; }

@media (max-width: 1050px) {
  .calendar-studio { grid-template-columns: 320px minmax(0, 1fr); }
}

@media (max-width: 820px) {
  .site-header { flex-wrap: wrap; }
  .site-header nav { order: 3; width: 100%; display: flex; justify-content: space-between; gap: 12px; padding-top: 10px; border-top: 1px solid var(--line); }
  .site-header nav a { font-size: .78rem; }
  .header-print { margin-left: auto; }
  main { width: min(100% - 20px, 720px); }
  .product-intro { grid-template-columns: 1fr; gap: 18px; padding-top: 30px; }
  .product-intro h1 { font-size: clamp(2.6rem, 12vw, 4.7rem); }
  .calendar-studio { grid-template-columns: 1fr; }
  .control-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .preview-toolbar { grid-template-columns: 1fr auto; }
  .preview-toolbar #preview-status { order: 3; grid-column: 1 / -1; margin-top: 8px; }
  .ready-badge { grid-column: 2; grid-row: 1; }
  .swipe-hint { display: block; order: 4; grid-column: 1 / -1; margin-top: 4px; color: #6c7c91 !important; font-size: .7rem !important; }
  .sheet-wrap { padding: 24px 12px; }
  .calendar-sheet { min-width: 690px; }
  .calendar-sheet.is-portrait { min-width: 570px; }
  .use-strip { align-items: flex-start; flex-direction: column; gap: 12px; }
  .print-help, .questions, .tool-links, .tool-explainer, .contact-page, .library-hero, .tool-intro { grid-template-columns: 1fr; padding: 70px 10px; }
  .tool-workbench { grid-template-columns: 1fr; }
  .tool-controls { border-right: 0; border-bottom: 1px solid var(--line); }
  .tool-card-grid, .library-grid { grid-template-columns: 1fr; }
  .library-card.featured { grid-column: auto; }
}

@media (max-width: 520px) {
  .site-header { padding-inline: 12px; }
  .brand { font-size: .88rem; }
  .brand-mark { width: 34px; height: 34px; }
  .header-print { padding: 0 12px; font-size: .78rem; }
  .calendar-studio { border-radius: 18px; }
  .control-panel { padding: 19px; }
  .field-row { grid-template-columns: 1fr; }
  footer { align-items: flex-start; flex-direction: column; }
  footer nav { flex-direction: column; }
}

@media print {
  body { background: #fff !important; }
  body > * { display: none !important; }
  body > main { display: block !important; width: 100% !important; margin: 0 !important; }
  main > * { display: none !important; }
  .calendar-studio, .tool-workbench { display: block !important; min-height: 0 !important; border: 0 !important; box-shadow: none !important; }
  .control-panel, .preview-toolbar { display: none !important; }
  .preview-stage, .sheet-wrap { display: block !important; padding: 0 !important; background: #fff !important; overflow: visible !important; }
  .calendar-sheet, .calendar-sheet.is-portrait { width: 100% !important; min-width: 0 !important; aspect-ratio: auto !important; padding: 0 !important; border-radius: 0 !important; box-shadow: none !important; }
  .sheet-heading span { margin-left: .05in; }
  .calendar-sheet.is-year { height: 7.2in !important; max-height: 7.2in !important; overflow: hidden !important; break-inside: avoid !important; page-break-inside: avoid !important; }
  .calendar-sheet.is-year.is-portrait { height: 10in !important; max-height: 10in !important; }
  .calendar-sheet.is-year .sheet-heading { flex: 0 0 auto; min-height: .65in; padding-bottom: .1in; }
  .calendar-sheet.is-year .calendar-grid { flex: 1 1 auto; min-height: 0; grid-template-rows: repeat(4, minmax(0, 1fr)); gap: .1in; margin-top: .12in; break-inside: avoid; page-break-inside: avoid; }
  .calendar-sheet.is-year .calendar-grid > .mini-month { padding: .07in .09in; }
  .tool-sheet { height: 7.2in !important; max-height: 7.2in !important; overflow: hidden !important; break-inside: avoid !important; page-break-inside: avoid !important; }
  .tool-sheet.is-portrait { height: 10in !important; max-height: 10in !important; }
  .tool-sheet .sheet-heading { flex: 0 0 auto; min-height: .65in; padding-bottom: .1in; }
  .tool-sheet .tool-output { flex: 1 1 auto; min-height: 0; margin-top: .12in; }
  .calendar-grid > span, .mini-month { break-inside: avoid; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}