:root{--color-dark:#1a1a2e;--color-accent:#e94560;--color-light:#f5f5f5;--color-dark-80:#1a1a2ecc;--color-accent-20:#e9456033;--font-heading:"Outfit", sans-serif;--font-body:"DM Sans", sans-serif;--slide-width:1080px;--slide-height:1350px;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--shadow-card:0 4px 24px #1a1a2e1f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--color-dark);color:var(--color-light);-webkit-font-smoothing:antialiased;min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700}button{cursor:pointer;font-family:var(--font-body)}.app-shell{background-color:#f8f8fa;flex-direction:column;min-height:100vh;display:flex}.app-header-bar{z-index:100;background-color:#fff;border-bottom:1px solid #1a1a2e14;position:sticky;top:0}.app-header-inner{justify-content:space-between;align-items:center;gap:16px;max-width:1000px;margin:0 auto;padding:16px 32px;display:flex}.app-main-content{flex:1;width:100%;max-width:1000px;margin:0 auto;padding:48px 32px}.upload-section{max-width:600px;margin:0 auto;padding-top:32px}.result-section{flex-direction:column;gap:0;display:flex}.panel-card{background-color:#fff;border:1px solid #1a1a2e12;border-radius:20px;margin-bottom:20px;padding:32px;box-shadow:0 1px 8px #1a1a2e0a}@media (width<=768px){.app-header-inner{padding:14px 20px}.app-main-content{padding:28px 16px}.panel-card{border-radius:16px;padding:20px 16px}.upload-section{padding-top:0}}@media (width<=480px){.app-header-inner{flex-wrap:wrap;gap:12px}}