/* 《零餘》投稿表單樣式（搭配 Yokeimono Core 的 --yk-* 變數） */
/* ---------- 投稿表單 ---------- */
.yk-prose .yk-subform, .yk-subtheme, .yk-subform-done, .yk-subform-closed { font-family: var(--yk-sans); font-size: 16px; line-height: 1.7; }
.yk-prose > .yk-subform, .yk-prose > .yk-subtheme { margin-top: 2.4em; }
.yk-subform__hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.yk-subform__step { position: relative; margin: 0 0 28px; padding: 30px clamp(18px, 4vw, 34px) 26px; border: 2px solid var(--yk-blue); background: var(--yk-paper); box-shadow: 6px 6px 0 var(--yk-yellow); min-width: 0; }
.yk-subform__step:nth-of-type(even) { box-shadow: 6px 6px 0 rgba(255,42,109,.55); }
.yk-subform__step legend { display: flex; align-items: baseline; gap: 12px; padding: 4px 14px; margin-left: -6px; background: var(--yk-blue); color: var(--yk-yellow); font-weight: 900; font-size: 19px; letter-spacing: .1em; }
.yk-subform__no { font-family: var(--yk-mono); font-size: 14px; color: var(--yk-pink); background: var(--yk-yellow); padding: 0 6px; letter-spacing: 0; }
.yk-subform__en { font-family: var(--yk-mono); font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; opacity: .75; }
.yk-subform__lock { margin: 0 0 18px; padding: 8px 12px; border-left: 4px solid var(--yk-pink); background: rgba(255,42,109,.07); font-size: 14px; color: var(--yk-blue-deep); }
.yk-subform__lock::before { content: "🔒 "; }
.yk-subform__row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
@media (max-width: 620px) { .yk-subform__row { grid-template-columns: 1fr; } }
.yk-field { margin-bottom: 18px; }
.yk-field > label, .yk-field__q { display: block; margin-bottom: 6px; font-weight: 700; color: var(--yk-blue); letter-spacing: .04em; }
.yk-field b, .yk-field__q b { color: var(--yk-pink); }
body.yk-site .yk-subform input[type=text], body.yk-site .yk-subform input[type=email], body.yk-site .yk-subform input[type=tel], body.yk-site .yk-subform textarea {
	width: 100%; box-sizing: border-box; padding: 11px 14px; border: 2px solid var(--yk-blue); border-radius: 0; background: #fffdf7; color: var(--yk-ink);
	font: inherit; line-height: 1.6; box-shadow: none; transition: box-shadow .15s ease;
}
body.yk-site .yk-subform textarea { resize: vertical; min-height: 0; }
body.yk-site .yk-subform input:focus, body.yk-site .yk-subform textarea:focus { outline: none; box-shadow: 4px 4px 0 var(--yk-yellow); border-color: var(--yk-blue-deep); }
.yk-subform ::placeholder { color: #8a929a; }
.yk-field__more { margin-top: 10px; }
.yk-field__count { display: block; margin-top: 4px; text-align: right; font-family: var(--yk-mono); font-size: 11px; color: #6b747c; }
.yk-choice { display: flex; flex-wrap: wrap; gap: 8px; }
.yk-choice label { position: relative; cursor: pointer; }
.yk-choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.yk-choice span { display: inline-block; padding: 6px 16px; border: 2px solid var(--yk-blue); background: #fffdf7; color: var(--yk-blue); font-weight: 700; font-size: 15px; transition: background .12s ease, transform .12s ease; }
.yk-choice label:hover span { background: rgba(244,211,94,.45); }
.yk-choice input:checked + span { background: var(--yk-blue); color: var(--yk-yellow); box-shadow: 3px 3px 0 var(--yk-pink); transform: translate(-1px, -1px); }
.yk-choice input:focus-visible + span { outline: 3px solid var(--yk-pink); outline-offset: 2px; }
.yk-drop { position: relative; display: grid; justify-items: center; gap: 4px; padding: 30px 18px; border: 2px dashed var(--yk-blue); background: #fffdf7 radial-gradient(rgba(20,88,138,.13) 1px, transparent 1.4px) 0 0 / 9px 9px; text-align: center; cursor: pointer; transition: background-color .15s ease; }
.yk-drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.yk-drop:hover, .yk-drop.is-drag { background-color: rgba(244,211,94,.35); }
.yk-drop.is-ok { border-style: solid; }
.yk-drop.is-error, .yk-field.is-invalid input, .yk-field.is-invalid textarea, .yk-drop.is-invalid { border-color: var(--yk-pink) !important; }
.yk-field.is-invalid .yk-choice span, .yk-check.is-invalid span::before { border-color: var(--yk-pink); }
.yk-drop__icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--yk-yellow); color: var(--yk-blue); font-weight: 900; font-size: 22px; box-shadow: 3px 3px 0 var(--yk-pink); }
.yk-drop__text { font-size: 16px; color: var(--yk-blue); }
.yk-drop__text strong { margin-right: .3em; }
.yk-drop__hint { font-size: 13px; color: #5b6570; }
.yk-drop__name { font-family: var(--yk-mono); font-size: 13px; font-weight: 700; color: var(--yk-blue); overflow-wrap: anywhere; }
.yk-drop.is-error .yk-drop__name { color: var(--yk-pink); }
.yk-subform__tip { margin: 12px 0 0; font-size: 14px; color: #4b5560; }
.yk-check { position: relative; display: block; margin-bottom: 14px; padding-left: 34px; cursor: pointer; font-size: 15px; }
.yk-check input { position: absolute; left: 0; top: 2px; width: 22px; height: 22px; opacity: 0; margin: 0; cursor: pointer; }
.yk-check span::before { content: ""; position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border: 2px solid var(--yk-blue); background: #fffdf7; }
.yk-check input:checked + span::before { background: var(--yk-blue); box-shadow: 2px 2px 0 var(--yk-pink); }
.yk-check input:checked + span::after { content: ""; position: absolute; left: 7px; top: 6px; width: 6px; height: 11px; border: solid var(--yk-yellow); border-width: 0 3px 3px 0; transform: rotate(45deg); }
.yk-check input:focus-visible + span::before { outline: 3px solid var(--yk-pink); outline-offset: 2px; }
.yk-subform__submit { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 22px; }
body.yk-site .yk-subform button.yk-btn { cursor: pointer; font-size: 18px; padding: 14px 34px; }
body.yk-site .yk-subform button.yk-btn:disabled { opacity: .75; cursor: progress; transform: none; }
.yk-subform__progress { flex: 1 1 160px; height: 10px; border: 2px solid var(--yk-blue); background: #fffdf7; }
.yk-subform__progress span { display: block; height: 100%; background: var(--yk-pink); transform-origin: left; transform: scaleX(0); transition: transform .2s ease; }
.yk-subform__alert { margin-bottom: 24px; padding: 14px 18px; border: 2px solid var(--yk-pink); background: #fff0f4; color: #a3123f; font-weight: 700; box-shadow: 4px 4px 0 var(--yk-pink); }
.yk-subtheme { position: relative; padding: 28px clamp(18px, 4vw, 34px); background: var(--yk-blue); color: var(--yk-paper); box-shadow: 8px 8px 0 var(--yk-pink); overflow: hidden; }
.yk-subtheme::after { content: ""; position: absolute; right: -40px; top: -40px; width: 150px; height: 150px; border-radius: 50%; background: var(--yk-yellow); mix-blend-mode: multiply; opacity: .9; }
.yk-subtheme .yk-label { color: var(--yk-yellow); }
.yk-subtheme__title { position: relative; z-index: 1; margin: 6px 0 10px; font-family: var(--yk-serif); font-weight: 900; font-size: clamp(30px, 5vw, 46px); line-height: 1.2; color: var(--yk-yellow); }
.yk-subtheme__desc { position: relative; z-index: 1; font-size: 15px; }
.yk-subtheme__desc p { margin: 0 0 .6em; }
.yk-subtheme__dl { display: inline-block; margin: 6px 0 0; padding: 2px 10px; background: var(--yk-yellow); color: var(--yk-blue); font-family: var(--yk-mono); font-weight: 700; font-size: 14px; }
.yk-subform-done, .yk-subform-closed { margin-top: 2.4em; padding: 34px clamp(18px, 4vw, 40px); border: 2px solid var(--yk-blue); background: var(--yk-yellow); color: var(--yk-ink); box-shadow: 8px 8px 0 var(--yk-pink); outline: none; }
.yk-subform-done .yk-label, .yk-subform-closed .yk-label { color: var(--yk-pink); }
.yk-subform-done p { margin: 0 0 .8em; }
.yk-subform-done__title { font-family: var(--yk-serif); font-weight: 900; font-size: clamp(28px, 5vw, 40px); color: var(--yk-blue); line-height: 1.3; }
.yk-subform-done__code { display: inline-block; margin-left: 10px; padding: 2px 12px; background: var(--yk-blue); color: var(--yk-yellow); font-family: var(--yk-mono); font-size: 20px; letter-spacing: .08em; }
.yk-subform-closed p { margin: 8px 0 0; font-size: 17px; }