.nb-page { --nb-mint: #9ef1cf; --nb-muted: #9bb2b5; --nb-border: #2b454b; --nb-width: clamp(340px, calc((100dvh - 300px) * .909), 570px); max-width: calc(var(--nb-width) + 305px); margin: 0 auto; color: #edf6f2; }
.content-page:has(.nb-page) { padding-top: 24px; padding-bottom: 24px; }
.nb-page [hidden] { display: none !important; }
.nb-page button { font: inherit; cursor: pointer; touch-action: manipulation; }
.nb-page button:focus-visible, .nb-page a:focus-visible, .nb-page summary:focus-visible { outline: 2px solid #edffc3; outline-offset: 4px; }
.nb-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.nb-eyebrow { margin: 0 0 7px; color: #96b6af; font-size: 9px; letter-spacing: 2px; }
.nb-heading h1 { margin: 0; font-size: clamp(36px, 4vw, 48px); line-height: 1; font-weight: 750; letter-spacing: -1.8px; }
.nb-heading em, .nb-intro em { color: var(--nb-mint); font-family: Georgia, serif; font-weight: 400; }
.nb-heading h1 > span { display: inline-block; margin-left: 13px; font-size: 25px; color: #f8bc93; vertical-align: top; }
.nb-heading > a { font-size: 11px; color: #b6c7c5; text-decoration: none; white-space: nowrap; }
.nb-heading > a:hover { color: var(--nb-mint); }
.nb-layout { display: grid; grid-template-columns: minmax(0, var(--nb-width)) 265px; gap: 40px; align-items: start; }
.nb-game { min-width: 0; }
.nb-hud { display: grid; grid-template-columns: 1.3fr .75fr 1fr 36px; gap: 12px; align-items: center; padding: 14px 19px; background: #14272d; border: 1px solid var(--nb-border); border-bottom: 0; border-radius: 14px 14px 0 0; }
.nb-hud > div { min-width: 0; }
.nb-hud > div > span { display: block; color: #9cb3b7; font-size: 9px; letter-spacing: 1.7px; margin-bottom: 4px; }
.nb-hud strong { display: block; font-size: 24px; line-height: 1.1; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.nb-hud .nb-score strong { color: var(--nb-mint); font-size: 29px; }
.nb-hud .nb-lives { color: #f5b2b8; font-size: 12px; letter-spacing: 1px; }
#nb-pause { width: 36px; height: 36px; padding: 0; border: 1px solid #4b6266; border-radius: 50%; background: transparent; color: #c5dfd7; font-size: 18px; }
#nb-pause:disabled { opacity: .35; cursor: default; }
.nb-board { position: relative; overflow: hidden; background: #0c1b24; border: 1px solid var(--nb-border); border-top: 0; }
#nb-canvas { display: block; width: 100%; aspect-ratio: 10 / 11; height: auto; touch-action: none; outline: none; }
#nb-canvas:focus-visible { outline: 2px solid var(--nb-mint); outline-offset: -3px; }
.nb-overlay { position: absolute; inset: 0; display: grid; place-items: center; padding: 18px; background: #0b1a24b8; }
.nb-overlay-content { max-width: 335px; text-align: center; }
.nb-overlay-mark { display: block; font-size: 38px; line-height: 1; margin-bottom: 17px; color: var(--nb-mint); }
.nb-kicker { margin: 0 0 12px; font-size: 9px; letter-spacing: 2px; color: #b8cdbb; }
.nb-overlay h2 { font-size: clamp(26px, 4vw, 38px); letter-spacing: -1.2px; line-height: 1.1; font-weight: 650; margin: 0 0 12px; text-wrap: balance; }
.nb-overlay-content > p:not(.nb-kicker) { font-size: 13px; color: #b6c9c9; line-height: 1.7; margin-bottom: 22px; text-wrap: balance; }
.nb-play { display: inline-flex; align-items: center; justify-content: center; gap: 25px; min-width: 185px; min-height: 48px; padding: 12px 24px; border: 0; border-radius: 6px; background: var(--nb-mint); color: #12392e; font-weight: 700 !important; font-size: 14px !important; }
.nb-play:hover { background: #c2ffe4; }
.nb-play span { font-size: 19px; }
.nb-start-hint { display: block; margin-top: 12px; color: #8da7ab; font-size: 10px; }
.nb-serve-hint { position: absolute; bottom: 17%; left: 12%; width: 76%; text-align: center; font-size: 12px; color: #d4eee4; pointer-events: none; }
.nb-board-footer { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 11px 15px; border: 1px solid var(--nb-border); border-top: 0; border-radius: 0 0 12px 12px; background: #13272c; color: #9eb9b7; font-size: 8px; letter-spacing: 1.4px; }
.nb-board-footer i { display: inline-block; width: 5px; height: 5px; margin-right: 7px; border-radius: 50%; background: var(--nb-mint); }
#nb-bricks { letter-spacing: .3px; }
.nb-power-bar { padding: 12px 5px 4px; min-height: 32px; font-size: 11px; text-align: center; color: #a9d6c6; }
.nb-actions { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 10px; font-size: 10px; color: #91abae; letter-spacing: .5px; }
.nb-actions strong { font-size: 13px; color: #f2d7a3; margin-left: 5px; font-weight: 600; }
.nb-record-level { font-size: 9px; }
.nb-actions button { padding: 8px 10px; min-height: 36px; color: #b0c6c6; background: transparent; border: 1px solid #354b50; border-radius: 5px; font-size: 11px; }
.nb-small-label { display: block; font-size: 9px; font-weight: 600; letter-spacing: 1.7px; color: #91b1a9; }
.nb-intro { padding-top: 7px; }
.nb-intro h2 { font-size: 32px; line-height: 1.14; font-weight: 650; letter-spacing: -1px; margin: 19px 0 14px; }
.nb-intro > p, .nb-controls > p, .nb-details p { color: #a8bdc0; font-size: 12px; line-height: 1.8; }
.nb-controls { border-top: 1px solid var(--nb-border); border-bottom: 1px solid var(--nb-border); padding: 21px 0 18px; margin: 22px 0; }
.nb-controls > p { margin: 13px 0 12px; }
.nb-keycaps { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.nb-keycaps kbd { display: grid; place-items: center; width: 29px; height: 27px; border: 1px solid #3e555d; border-bottom-width: 3px; border-radius: 5px; font-size: 11px; background: #172c33; color: #e3f0eb; }
.nb-keycaps > span { padding: 0 5px; color: #7d989d; font-size: 10px; }
.nb-controls .nb-muted { color: #91a8ad; font-size: 11px; margin-bottom: 0; }
.nb-bonus-guide > div { display: flex; align-items: center; gap: 12px; margin-top: 17px; }
.nb-gift { flex-shrink: 0; display: grid; place-items: center; width: 32px; height: 29px; border: 1px solid currentColor; border-radius: 7px; font-size: 20px; font-style: normal; background: #ffffff05; }
.nb-gift-wide { color: #9ef1cf; }.nb-gift-multi { color: #bda2ff; }.nb-gift-slow { color: #89dcf7; }.nb-gift-shield { color: #f2cf8b; }
.nb-bonus-guide p { margin: 0; font-size: 12px; color: #e2ece6; }.nb-bonus-guide small { display: block; color: #91a8ad; font-size: 10px; line-height: 1.6; margin-top: 3px; }
.nb-details { margin-top: 24px; border-top: 1px solid var(--nb-border); padding-top: 16px; }
.nb-details summary { color: #b8ccc7; font-size: 11px; cursor: pointer; }
.nb-details p { margin-top: 12px; font-size: 11px; }
.nb-save-note { margin: 20px 0 0; font-size: 10px; line-height: 1.8; color: #88a2a7; }
.nb-dialog { width: min(390px, calc(100vw - 30px)); color: #e6f6ed; background: #15292f; border: 1px solid #466058; border-radius: 16px; padding: 28px; }
.nb-dialog::backdrop { background: #061216cc; }.nb-dialog form > span { color: var(--nb-mint); font-size: 30px; }.nb-dialog h2 { font-size: 24px; margin: 12px 0; }.nb-dialog p { font-size: 13px; line-height: 1.7; color: #b3c8c8; }.nb-dialog form > div { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }.nb-dialog button { min-height: 44px; padding: 10px 14px; border: 1px solid #58776c; border-radius: 5px; background: transparent; color: #c7e9db; font-size: 12px; }.nb-dialog .nb-primary { background: var(--nb-mint); color: #14382d; }
@media (max-width: 760px) { .nb-page { --nb-width: min(100%, 500px); max-width: 500px; }.nb-layout { grid-template-columns: minmax(0, 1fr); gap: 26px; }.nb-heading { margin-bottom: 18px; }.nb-sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }.nb-intro { padding-top: 0; }.nb-intro h2 { font-size: 29px; }.nb-controls { margin: 0; padding: 0; border: 0; }.nb-bonus-guide, .nb-details, .nb-save-note { grid-column: 1 / -1; }.nb-bonus-guide { border-top: 1px solid var(--nb-border); padding-top: 20px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; }.nb-bonus-guide > span { grid-column: 1 / -1; }.nb-bonus-guide p { min-width: 0; }.nb-details, .nb-save-note { margin-top: 0; } }
@media (max-width: 420px) { .content-page:has(.nb-page) { padding: 20px 12px; }.nb-heading h1 { font-size: 35px; }.nb-heading h1 > span { font-size: 19px; margin-left: 8px; }.nb-heading > a { font-size: 10px; }.nb-eyebrow { font-size: 8px; letter-spacing: 1.3px; }.nb-hud { padding: 12px; gap: 8px; grid-template-columns: 1.2fr .7fr 1fr 32px; }.nb-hud strong { font-size: 21px; }.nb-hud .nb-score strong { font-size: 25px; }.nb-hud > div > span { font-size: 8px; letter-spacing: 1px; }.nb-hud .nb-lives { font-size: 10px; letter-spacing: 0; }.nb-sidebar { gap: 18px; }.nb-intro h2 { font-size: 26px; }.nb-intro > p, .nb-controls > p { font-size: 11px; }.nb-small-label { font-size: 8px; letter-spacing: 1.2px; }.nb-overlay-mark { font-size: 30px; margin-bottom: 12px; }.nb-overlay h2 { font-size: 27px; }.nb-overlay-content > p:not(.nb-kicker) { font-size: 12px; margin-bottom: 16px; }.nb-kicker { font-size: 8px; letter-spacing: 1.2px; }.nb-bonus-guide small { font-size: 9px; }.nb-bonus-guide > div { gap: 9px; } }
@media (max-width: 360px) { .nb-sidebar { grid-template-columns: minmax(0, 1fr); }.nb-intro h2 { font-size: 29px; }.nb-controls { padding-top: 18px; border-top: 1px solid var(--nb-border); }.nb-bonus-guide { grid-template-columns: minmax(0, 1fr); } }