/* youtube page additions */
.brand__sub { font-weight: 500; color: var(--pencil); margin-left: .2rem; }
.sub { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin: 3rem 0 .8rem; }

/* Spine */
.spine { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem 3rem; margin: 2rem 0; align-items: start; }
.spine__examples { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .4rem; }
.spine__examples button { all: unset; cursor: pointer; font: 700 .72rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; padding: .5rem .7rem; border: 1px solid var(--ink); border-radius: 2px; box-sizing: border-box; }
.spine__examples button:hover { background: var(--mark); }
.spine__form { display: grid; gap: 0; border-top: 2px solid var(--ink); }
.spine__row { display: grid; grid-template-columns: 9.5rem 1fr; gap: .5rem 1rem; align-items: start; padding: .6rem 0; border-bottom: 1px solid var(--rule); }
.spine__row .lead { font-family: var(--display); font-weight: 700; font-size: 1.05rem; padding-top: .45rem; }
.spine__row .lead small { display: block; font: .7rem/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--pencil); margin-top: .2rem; font-weight: 400; }
.spine__row textarea { font: 1.05rem/1.45 var(--body); padding: .5rem .6rem; border: 1px solid var(--rule); background: #fff; color: var(--ink); border-radius: 2px; width: 100%; resize: vertical; min-height: 3.2rem; }
.spine__row textarea:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px var(--mark); }
.spine__out { position: sticky; top: 5rem; border-top: 2px solid var(--ink); padding-top: .8rem; }
.spine__para { font-size: 1.25rem; line-height: 1.5; min-height: 6em; }
.spine__para .lead { font-family: var(--mono); font-size: .78em; letter-spacing: .08em; text-transform: uppercase; color: var(--red); }
.spine__para .blank { color: var(--pencil); font-style: italic; }
.spine__verdict { font-family: var(--mono); font-size: .85rem; letter-spacing: .04em; padding: .6rem .8rem; border-left: 3px solid var(--ink); margin: 1rem 0; }
.spine__verdict.is-demo { border-color: var(--red); color: var(--red); font-weight: 700; }
.spine__verdict.is-story { border-color: var(--ink); background: var(--mark); }
@media (max-width: 860px) { .spine { grid-template-columns: 1fr; } .spine__out { position: static; } .spine__row { grid-template-columns: 1fr; } }

/* Compare */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 0 3rem; margin: 2rem 0; }
.compare__col { border-top: 4px solid var(--ink); }
.compare__col--story { border-top-color: var(--night); }
.compare__head { display: flex; justify-content: space-between; align-items: baseline; padding: .8rem 0 .4rem; }
.compare__head h3 { font-size: 1.5rem; }
.compare__head .mono { color: var(--pencil); }
.compare__line { display: grid; grid-template-columns: 3.2rem 1fr; gap: .8rem; padding: .6rem 0; border-top: 1px solid var(--rule); }
.compare__line .t { font-family: var(--mono); font-size: .78rem; color: var(--pencil); padding-top: .25rem; }
.compare__line p { margin: 0; font-size: 1.02rem; }
.compare__line .tag { font: 700 .66rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--paper); background: var(--night); padding: .25rem .4rem; border-radius: 2px; margin-left: .4rem; white-space: nowrap; }
.compare__col--proof .compare__line p { color: var(--ink-2); }
@media (max-width: 760px) { .compare { grid-template-columns: 1fr; gap: 2rem; } }

/* Clock + beat list */
.clock { margin: 2rem 0 1rem; }
.clock__len { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.clock__len input[type=range] { flex: 1; min-width: 200px; max-width: 480px; accent-color: var(--ink); }
.clock__val { font-family: var(--display); font-weight: 800; font-size: 2rem; min-width: 4ch; }
.clock__bar { display: grid; grid-template-columns: repeat(8, 1fr); margin-top: 1rem; border: 2px solid var(--ink); border-radius: 2px; overflow: hidden; }
.clock__seg { padding: .4rem .4rem; font: 700 .66rem/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; border-right: 1px solid var(--rule); min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.clock__seg:last-child { border-right: 0; }
.clock__seg.is-below { background: var(--night); color: var(--night-paper); }
.clock__seg small { display: block; font-weight: 400; color: inherit; opacity: .75; }
.beatlist { list-style: none; margin: 1.5rem 0 0; padding: 0; border-top: 2px solid var(--ink); }
.beat { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: .6rem 2rem; padding: 1.4rem 0; border-bottom: 1px solid var(--rule); }
.beat__side { display: grid; gap: .3rem; align-content: start; }
.beat__n { font-family: var(--display); font-weight: 800; font-size: 2.6rem; line-height: 1; }
.beat__name { font-family: var(--display); font-weight: 700; font-size: 1.2rem; }
.beat__time { font-family: var(--mono); font-size: .8rem; color: var(--red); letter-spacing: .06em; }
.beat__cam { font: .7rem/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--pencil); }
.beat__ask { font-family: var(--display); font-weight: 700; font-size: 1.35rem; line-height: 1.15; margin: 0 0 .6rem; max-width: 30ch; }
.beat h4 { margin-top: 1rem; }
.beat p { margin: 0; max-width: var(--measure); }
.beat .eg { padding-left: .9rem; border-left: 3px solid var(--mark); color: var(--ink-2); }
.beat.is-below .beat__n { color: var(--night); }
@media (max-width: 640px) { .beat { grid-template-columns: 1fr; } .beat__side { grid-template-columns: auto 1fr; column-gap: .8rem; align-items: baseline; } .beat__n { font-size: 2rem; } }

/* Night lenses */
.lenses--night .lens { border-top-color: var(--night-paper); }
.lenses--night .lens h3::before { color: var(--mark); }

/* Shorts table */
.shorts { display: grid; margin: 2rem 0 0; border-top: 2px solid var(--ink); }
.short { display: grid; grid-template-columns: 6rem minmax(0, 1fr) minmax(0, 22rem); gap: .6rem 2rem; padding: 1rem 0; border-bottom: 1px solid var(--rule); align-items: start; }
.short__beat { font-family: var(--display); font-weight: 800; font-size: 1.1rem; }
.short__beat small { display: block; font: .7rem/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--red); font-weight: 400; margin-top: .2rem; }
.short p { margin: 0; }
.short .rule { font-size: 1rem; padding-left: .9rem; border-left: 3px solid var(--ink); }
.short.is-dud .short__beat small { color: var(--pencil); }
.short.is-dud .rule { border-color: var(--red); color: var(--red); }
@media (max-width: 760px) { .short { grid-template-columns: 1fr; } }

/* Title rewrites */
.titles { display: grid; margin: 1.5rem 0 0; border-top: 2px solid var(--ink); }
.title { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 18rem); gap: .5rem 2rem; padding: 1rem 0; border-bottom: 1px solid var(--rule); align-items: start; }
.title .before { color: var(--pencil); text-decoration: line-through; text-decoration-color: var(--red); font-size: 1rem; }
.title .after { font-family: var(--display); font-weight: 700; font-size: 1.25rem; line-height: 1.2; }
.title .why { font-size: .95rem; color: var(--ink-2); }
.title p { margin: 0; }
@media (max-width: 760px) { .title { grid-template-columns: 1fr; gap: .3rem; } }

/* Cards extra */
.card__need { font-family: var(--display); font-weight: 700; font-size: 1.25rem; line-height: 1.2; margin: .4rem 0 .2rem; max-width: 40ch; }
.card__need::before, .card__open::before { content: attr(data-label); display: block; font: 700 .68rem/1.6 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--red); }
.card__open { margin: .8rem 0 0; max-width: var(--measure); }
.card__tag { font: 700 .66rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; padding: .35rem .45rem; border: 1px solid var(--red); color: var(--red); border-radius: 2px; display: inline-block; margin-bottom: .8rem; }

/* Sheet */
.sheet { margin-top: 2rem; max-width: 60rem; }
.sheet .field { grid-template-columns: 13rem 1fr; }
.sheet .field span b { margin-bottom: .1rem; }
.sheet__flag { font-family: var(--mono); font-size: .85rem; letter-spacing: .04em; padding: .7rem .9rem; border-left: 3px solid var(--ink); margin-bottom: 1rem; min-height: 2.6rem; }
.sheet__flag.is-demo { border-color: var(--red); color: var(--red); font-weight: 700; }
.sheet__flag.is-ready { background: var(--mark); }
.sheet .field.is-missing input { border-color: var(--red); }
@media (max-width: 860px) { .sheet .field { grid-template-columns: 1fr; } }

/* Exercises */
.exercises { display: grid; margin-top: 2rem; border-top: 2px solid var(--ink); counter-reset: ex; }
.exercise { border-bottom: 1px solid var(--rule); padding: 1.4rem 0; counter-increment: ex; }
.exercise h3 { font-size: 1.6rem; margin-bottom: .5rem; }
.exercise h3::before { content: counter(ex, decimal-leading-zero); display: block; font: .76rem/1 var(--mono); letter-spacing: .14em; color: var(--red); margin-bottom: .5rem; }
.exercise .proof { max-width: var(--measure); color: var(--ink-2); font-style: italic; }
.exercise .hint { max-width: var(--measure); padding-left: .9rem; border-left: 3px solid var(--mark); margin: .6rem 0 1rem; }
.exercise textarea { font: 1.05rem/1.5 var(--body); padding: .6rem .7rem; border: 1px solid var(--rule); background: #fff; color: var(--ink); border-radius: 2px; width: 100%; max-width: 60rem; min-height: 9rem; resize: vertical; }
.exercise textarea:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px var(--mark); }
.exercise details { margin-top: .8rem; max-width: 60rem; }
.exercise summary { cursor: pointer; font: 700 .76rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; padding: .6rem 0; list-style: none; }
.exercise summary::-webkit-details-marker { display: none; }
.exercise summary::before { content: "+ "; color: var(--red); }
.exercise details[open] summary::before { content: "– "; }
.exercise .model { border-top: 1px solid var(--rule); padding-top: .8rem; font-size: 1.05rem; }
.exercise .model .lead { font-family: var(--mono); font-size: .78em; letter-spacing: .08em; text-transform: uppercase; color: var(--red); }
@media (max-width: 640px) { .brand__sub { display: none; } }