#revisionsView [hidden] { display: none !important; }
.revision-bundle-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 265px), 1fr)); align-items: stretch; gap: 18px; width: 100%; min-width: 0; }
.revision-bundle-card { display: flex; flex-direction: column; gap: 14px; min-width: 0; padding: 22px; border: 1px solid #e1def3; border-radius: 22px; background: #fff; box-shadow: 0 8px 24px #34386108; }
.revision-bundle-heading { display: flex; align-items: center; gap: 12px; min-width: 0; }
.revision-bundle-icon { display: grid; place-items: center; flex: 0 0 42px; width: 42px; height: 42px; border-radius: 13px; background: #f1efff; color: #6652d8; font-size: 1.6rem; }
.revision-bundle-subject { min-width: 0; color: #70618f; font-size: .8rem; font-weight: 750; line-height: 1.4; overflow-wrap: anywhere; }
.revision-bundle-card h3 { margin: 2px 0 0; color: #202442; font-size: 1.17rem; line-height: 1.4; overflow-wrap: anywhere; }
.revision-bundle-title { display: block; width: 100%; padding: 0; border: 0; border-radius: 4px; background: transparent; color: inherit; font: inherit; text-align: left; line-height: inherit; overflow-wrap: anywhere; cursor: pointer; }
.revision-bundle-title:hover { color: #6751d5; }
.revision-bundle-title:focus-visible { outline: 3px solid #9580f5; outline-offset: 5px; }
.revision-bundle-meta { margin: 0; color: #697186; font-size: .85rem; line-height: 1.5; overflow-wrap: anywhere; }
.revision-bundle-actions { display: grid; grid-template-columns: minmax(0, 1fr); gap: 9px; margin-top: auto; padding-top: 8px; }
.revision-bundle-actions button { display: flex; align-items: center; justify-content: center; min-width: 0; min-height: 44px; max-width: 100%; padding: 11px 14px; border-radius: 12px; font: inherit; font-size: .9rem; font-weight: 750; line-height: 1.4; white-space: normal; overflow-wrap: anywhere; cursor: pointer; }
.revision-bundle-actions .primary-button { border: 1px solid #6751d5; background: #6751d5; color: #fff; box-shadow: 0 5px 13px #6751d51c; }
.revision-bundle-actions .secondary-button { border: 1px solid #dfd8fa; background: #f5f2ff; color: #5c47bf; }
.revision-bundle-actions .revision-bundle-delete { padding-block: 9px; border: 1px solid transparent; background: transparent; color: #797384; font-size: .83rem; font-weight: 650; }
.revision-bundle-actions .revision-bundle-delete:hover { border-color: #f1dce1; background: #fff5f7; color: #b33f5a; }
.revision-bundle-actions button:disabled { opacity: .55; cursor: default; transform: none; }
.revision-bundle-actions button:focus-visible { outline: 3px solid #9580f5; outline-offset: 3px; }
.revision-bundle-actions .text-button:not(.revision-bundle-delete) { border: 1px solid #e6e2f0; background: #fbfaff; color: #6d6385; font-size: .83rem; }
.revision-bundle-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 4px 8px; }
.revision-bundle-actions .revision-bundle-share { gap: 6px; padding: 8px 10px; font-size: .8rem; font-weight: 650; }
.revision-share-dialog { box-sizing: border-box; width: min(460px, calc(100% - 28px)); max-width: calc(100% - 28px); max-height: calc(100dvh - 28px); padding: 24px; border: 1px solid #e1def3; border-radius: 22px; background: #fff; color: #25304a; box-shadow: 0 20px 80px #25214038; overflow-y: auto; }
.revision-share-dialog::backdrop { background: #17133270; }
.revision-share-dialog [hidden] { display: none !important; }
.revision-share-dialog header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.revision-share-dialog h2 { margin: 4px 0 10px; font-size: 1.25rem; }
.revision-share-dialog p { overflow-wrap: anywhere; line-height: 1.5; }
.revision-share-title { margin: 0; font-weight: 750; }
.revision-share-description { margin: 12px 0 20px; color: #636b80; font-size: .9rem; }
.revision-share-dialog label { display: block; margin-bottom: 8px; font-size: .83rem; font-weight: 700; }
.revision-share-dialog input { box-sizing: border-box; width: 100%; min-width: 0; min-height: 46px; padding: 10px; border: 1px solid #dcd5f4; border-radius: 10px; background: #faf9ff; color: #463679; font: inherit; font-size: .88rem; }
.revision-share-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.revision-share-dialog button, .revision-share-dialog a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; box-sizing: border-box; padding: 10px 14px; border: 1px solid #dfd8fa; border-radius: 10px; background: #f5f2ff; color: #5c47bf; font: inherit; font-size: .85rem; font-weight: 700; text-decoration: none; cursor: pointer; }
.revision-share-dialog #revisionShareCopy { background: #6751d5; border-color: #6751d5; color: #fff; }
.revision-share-dialog #revisionShareClose { flex: 0 0 44px; width: 44px; margin: -8px -8px 0 0; padding: 0; border-color: transparent; background: transparent; color: #6b6482; font-size: 1.5rem; }
.revision-share-dialog button:disabled { opacity: .55; cursor: default; }
.revision-share-dialog :is(button, a, input):focus-visible { outline: 3px solid #9580f5; outline-offset: 3px; }
#revisionShareStatus { min-height: 1.5em; margin: 12px 0 0; color: #5846af; font-size: .86rem; }
#myRevisionOverview { min-width: 0; }
#revisionSheetsPanel { min-width: 0; margin-top: 26px; }
.revision-sheets-heading h3 { margin: 0 0 18px; color: #202442; font-size: 1.15rem; line-height: 1.4; }
.revision-sheets-toolbar { display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-bottom: 18px; }
.revision-sheets-toolbar button { min-height: 44px; }
#revisionSheetsStatus { min-height: 24px; margin: 10px 0; color: #4238a0; overflow-wrap: anywhere; }
.revision-sheets-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 285px), 1fr)); gap: 18px; }
.revision-sheet-card { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 22px; border: 1px solid #e1def3; border-radius: 20px; background: #fff; box-shadow: 0 8px 24px #34386108; }
.revision-sheet-icon { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; color: #5b50de; background: #f1efff; font-size: 1.7rem; }
.revision-sheet-card-content { min-width: 0; width: 100%; overflow-wrap: anywhere; }
.revision-sheet-card h3 { margin: 0 0 10px; font-size: 1.1rem; line-height: 1.4; color: #202442; }
.revision-sheet-summary { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; margin: 0 0 14px; line-height: 1.6; color: #58627a; font-size: .92rem; }
.revision-sheet-date { display: block; color: #70788a; font-size: .8rem; }
.revision-sheet-card-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; width: 100%; margin-top: auto; }
.revision-sheet-open { flex: 1; min-height: 44px; padding: 11px 16px; white-space: normal; }
.revision-sheet-delete { min-height: 44px; padding: 8px 4px; color: #62697b; font-size: .84rem; }
.revision-sheet-delete:disabled { opacity: .5; cursor: default; }
.revision-sheets-empty { grid-column: 1 / -1; padding: 40px 22px; border: 2px dashed #dcdfee; border-radius: 22px; background: #ffffffb3; text-align: center; }
.revision-sheets-empty-icon { font-size: 2.5rem; color: #6a60d8; }
.revision-sheets-empty h3 { margin: 14px 0 10px; font-size: 1.15rem; line-height: 1.4; }
.revision-sheets-empty p { max-width: 540px; margin: 0 auto; color: #667086; line-height: 1.6; }
.revision-sheets-empty button { margin-top: 12px; }
#revisionSheetsMore { display: block; min-height: 44px; margin: 24px auto; padding: 11px 17px; border: 1px solid #d8d3ff; border-radius: 14px; background: #f1efff; color: #473bc1; font: inherit; font-weight: 700; cursor: pointer; }
#revisionSheetsMore:disabled { opacity: .55; cursor: default; }
#revisionSheetDetail { width: 100%; max-width: 820px; margin-inline: auto; min-width: 0; }
.revision-sheet-back { min-height: 44px; margin: 0 0 14px; padding: 8px 0; color: #5846ce; text-align: left; }
.revision-sheet-content { padding: clamp(20px, 4vw, 32px); border: 1px solid #e1def3; border-radius: 22px; background: #fff; color: #25304a; overflow-wrap: anywhere; }
.revision-sheet-title { margin: 0 0 12px; font-size: clamp(1.4rem, 3vw, 1.85rem); line-height: 1.3; color: #202442; }
.revision-sheet-introduction { margin: 0 0 22px; color: #59637b; font-size: .97rem; line-height: 1.6; white-space: pre-wrap; }
.revision-sheet-sections { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.revision-sheet-section { min-width: 0; padding: 18px; border: 1px solid #e7e8f1; border-radius: 15px; background: #fafbff; }
.revision-sheet-section-formula { border-color: #dbd6ff; background: #f7f5ff; }
.revision-sheet-section-example { border-color: #cfe9e1; background: #f5fbf8; }
.revision-sheet-section-pitfall { border-color: #efdfbf; background: #fffbf2; }
.revision-sheet-section-label { display: block; margin-bottom: 5px; color: #6d638b; font-size: .69rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.revision-sheet-section-example .revision-sheet-section-label { color: #387160; }
.revision-sheet-section-pitfall .revision-sheet-section-label { color: #8a641f; }
.revision-sheet-section h3,
.revision-sheet-key-points h3 { margin: 0 0 12px; font-size: 1rem; line-height: 1.4; color: #4238a0; }
.revision-sheet-points { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.revision-sheet-points li { position: relative; min-width: 0; margin: 0; padding-left: 17px; font-size: .94rem; line-height: 1.55; white-space: pre-wrap; }
.revision-sheet-points li::before { position: absolute; top: 0; left: 0; color: #7369b1; font-weight: 800; content: "–"; }
.revision-sheet-points.revision-sheet-introduction { margin-bottom: 22px; }
.revision-sheet-key-points { margin-top: 20px; padding: 20px; border: 1px solid #e0dcfb; border-radius: 15px; background: #f3f1ff; }
.revision-sheet-visual { min-width: 0; margin-top: 20px; }
.revision-visual { min-width: 0; margin: 0; padding: 20px; border: 1px solid #dce6f3; border-radius: 15px; background: #f8fbff; }
.revision-visual-title { display: block; margin: 0 0 16px; color: #344a70; font-size: 1rem; font-weight: 750; line-height: 1.4; }
.revision-visual-svg { display: block; width: 100%; height: auto; margin-inline: auto; }
.revision-visual-list { display: grid; gap: 10px; margin: 16px 0 0; padding: 0; list-style: none; }
.revision-visual-list li { position: relative; min-width: 0; padding-left: 17px; font-size: .92rem; line-height: 1.5; }
.revision-visual-list li::before { position: absolute; top: 0; left: 0; color: #597cae; content: "–"; font-weight: 800; }
.revision-visual-list strong { color: #344a70; }
.revision-visual-list span { display: block; margin-top: 2px; }
.revision-visual-caption { margin: 14px 0 0; color: #5d6a81; font-size: .88rem; line-height: 1.55; }
#revisionSheetDetail > .revision-sheet-delete { display: block; margin: 14px 0 0 auto; }
@media (max-width: 540px) {
  .revision-bundle-grid { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .revision-bundle-card { padding: 19px; border-radius: 19px; }
  .revision-sheets-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .revision-sheet-card { padding: 18px; }
  .revision-sheet-content { padding: 20px 14px; border-radius: 17px; }
  .revision-sheet-sections { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .revision-sheet-section,
  .revision-sheet-key-points,
  .revision-visual { padding: 16px 12px; }
  .revision-sheet-points li { font-size: .92rem; }
}