* { box-sizing: border-box; }
html, body, #presentationStage { width: 100%; height: 100%; margin: 0; }
body { overflow: hidden; background: #08090d; color: #fff; font-family: Pretendard, Arial, sans-serif; }
#presentationStage { position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.presentation-loading { color: #aeb3c2; font-size: 14px; }
.password-card { width: min(360px, calc(100vw - 40px)); padding: 30px; background: #fff; color: #171820; border-radius: 14px; box-shadow: 0 20px 70px rgba(0,0,0,.42); }
.password-card h1 { margin: 0 0 8px; font-size: 21px; }
.password-card p { margin: 0 0 22px; color: #687080; font-size: 14px; }
.password-card form { display: flex; gap: 8px; }
.password-card input { min-width: 0; flex: 1; border: 1px solid #d8dce5; border-radius: 8px; padding: 11px 12px; font: inherit; outline: none; }
.password-card input:focus { border-color: #4f63d8; box-shadow: 0 0 0 3px rgba(79,99,216,.14); }
.password-card button { border: 0; border-radius: 8px; padding: 0 15px; color: #fff; background: #273469; font: inherit; font-weight: 700; cursor: pointer; }
.password-error { min-height: 18px; margin-top: 11px; color: #ca3d46; font-size: 12px; }
.presentation-frame { position: absolute; left: 0; top: 0; border: 0; transform-origin: top left; background: #fff; }