*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:linear-gradient(180deg,#08111f,#0f1a30);color:#eef4ff;line-height:1.6}a{color:#9bc2ff;text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1260px,calc(100% - 32px));margin:0 auto}header{position:sticky;top:0;z-index:30;background:rgba(8,17,31,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}.nav{min-height:74px;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:12px 0}.logo{display:inline-flex;align-items:center;gap:10px;font-size:1.45rem;font-weight:800;letter-spacing:-.03em;color:#eef4ff}.wordmark-accent{color:#77adff}.logo-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,#79aefc,#b8d2ff);color:#08111f;display:inline-flex;align-items:center;justify-content:center;font-weight:900;box-shadow:0 8px 24px rgba(121,174,252,.24)}nav{display:flex;gap:16px;align-items:center;flex-wrap:wrap}nav a{color:#c0d0f2;font-weight:600}.page{padding:34px 0 80px}.panel,.auth-box,.mail-row,.compose-card,.preview-card,.sidebar-card,.stats-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:24px}.panel,.auth-box,.compose-card,.preview-card,.sidebar-card,.stats-card{padding:24px}.hero-title{font-size:2.2rem;line-height:1.05;letter-spacing:-.04em;margin:0 0 12px}.muted{color:#c5d4f1}.toolbar,.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:999px;font-weight:700;border:1px solid transparent;background:none;color:#eef4ff;cursor:pointer;text-align:center}.btn-primary{background:linear-gradient(135deg,#79aefc,#b8d2ff);color:#08111f}.btn-secondary{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}.btn-google{background:#fff;color:#111}.btn-microsoft{background:#2f6fed;color:#fff}.flash{padding:12px 14px;border-radius:14px;margin:18px 0}.flash-success{background:rgba(60,189,127,.12);border:1px solid rgba(60,189,127,.28);color:#c8ffe1}.flash-error{background:rgba(255,95,109,.12);border:1px solid rgba(255,95,109,.28);color:#ffd6da}.auth-box{max-width:560px;margin:0 auto}.label{display:block;margin:14px 0 6px;font-weight:700}.input,.textarea{width:100%;min-height:48px;border-radius:14px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:#eef4ff;padding:0 14px}.textarea{min-height:220px;padding:14px;resize:vertical}.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}.client-layout{display:grid;grid-template-columns:250px 1fr 340px;gap:18px}.sidebar-card h3,.preview-card h3,.compose-card h2{margin-top:0}.side-link{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:14px;color:#d7e3ff;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.04);margin-bottom:10px}.side-link.active{background:rgba(121,174,252,.14);border-color:rgba(121,174,252,.28)}.mail-column{display:grid;gap:14px}.mail-header h2{margin:0 0 8px;font-size:1.6rem}.mail-list{display:grid;gap:12px}.mail-row{padding:16px}.mail-row .subject{font-size:1.04rem;margin-bottom:4px}.mail-row .meta{color:#c5d4f1;font-size:.95rem}.mail-row .date{margin-top:8px;color:#9fb4da;font-size:.9rem}.preview-card .placeholder-line{height:11px;border-radius:999px;background:rgba(255,255,255,.08);margin-bottom:10px}.preview-card .short{width:42%}.preview-card .medium{width:68%}.preview-card .long{width:100%}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.download-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}.provider-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);margin:6px 8px 0 0;color:#dbe8ff}.code-block{display:block;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);padding:12px 14px;border-radius:16px;color:#dce8ff;overflow:auto}.footer{border-top:1px solid rgba(255,255,255,.08);padding:24px 0 40px;margin-top:40px;color:#c5d4f1}@media(max-width:1100px){.client-layout,.download-grid{grid-template-columns:1fr}.preview-card{order:3}}@media(max-width:900px){.split,.stats-grid{grid-template-columns:1fr}}@media(max-width:680px){.wrap{width:min(100% - 24px,1260px)}.nav{flex-direction:column;align-items:flex-start}.toolbar,.actions{flex-direction:column}.btn{width:100%}.panel,.auth-box,.compose-card,.preview-card,.sidebar-card,.stats-card{padding:20px}.hero-title{font-size:1.95rem}}