body:not(.session-ready) .app { visibility: hidden; }
body[data-auth-state="booting"] .login-overlay { display: none; }
body[data-auth-state="booting"] .app { visibility: hidden; }
body[data-auth-state="unauthenticated"] { overflow: hidden; }

.login-overlay { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; overflow-y: auto; padding: clamp(12px, 2vw, 30px); background: #dcecf2; }
.login-overlay.hidden { display: none; }

.login-shell { position: relative; display: grid; grid-template-columns: minmax(330px, 1fr) minmax(360px, 410px) minmax(230px, 280px); align-items: center; gap: clamp(16px, 2vw, 30px); width: min(1500px, 100%); min-height: min(790px, calc(100vh - clamp(24px, 4vw, 60px))); overflow: hidden; padding: clamp(22px, 3vw, 46px); border: 1px solid rgba(43, 84, 68, .13); border-radius: 28px; background: #dfeff4; box-shadow: 0 30px 80px rgba(31, 56, 48, .22); }
.login-visual { position: absolute; inset: 0; overflow: hidden; background: #dcecf2; }
.login-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(239,248,251,.2) 0%, rgba(239,248,251,0) 45%, rgba(245,248,245,.45) 68%, rgba(246,246,240,.78) 100%), linear-gradient(180deg, transparent 55%, rgba(8,31,24,.58) 100%); pointer-events: none; }
.login-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center center; }

.login-visual-copy { position: absolute; z-index: 1; left: clamp(28px, 4vw, 64px); bottom: clamp(30px, 5vw, 66px); width: min(390px, 35%); color: #fff; text-shadow: 0 2px 18px rgba(0,0,0,.28); }
.login-visual-copy h1 { margin: 0; font-size: clamp(30px, 3.2vw, 51px); line-height: 1.02; letter-spacing: -.045em; }
.login-copy-rule { display: block; width: 64px; height: 4px; margin: 19px 0 16px; border-radius: 4px; background: #39bd58; box-shadow: 0 2px 8px rgba(0,0,0,.12); }
.login-visual-copy p { max-width: 310px; margin: 0; color: rgba(255,255,255,.92); font-size: clamp(15px, 1.35vw, 20px); line-height: 1.35; }

.login-overlay .login-card { position: relative; z-index: 2; grid-column: 2; width: 100%; padding: clamp(30px, 3.5vw, 48px); border: 1px solid rgba(255,255,255,.78); border-radius: 24px; background: rgba(251,252,250,.93); box-shadow: 0 22px 54px rgba(37,67,57,.2), inset 0 1px rgba(255,255,255,.9); backdrop-filter: blur(18px); color: #0e2a22; }
.login-brand { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 38px; }
.login-brand > span:last-child { display: grid; gap: 1px; }
.login-brand strong { color: #0b2a22; font-size: 25px; letter-spacing: .1em; }
.login-brand small { color: #60766e; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.login-mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 13px; background: linear-gradient(135deg, #52cf6b, #249f45); color: #fff; font-size: 21px; font-weight: 900; box-shadow: 0 10px 24px rgba(37,159,69,.2); }
.login-heading { margin-bottom: 25px; }
.login-overlay .login-card h2 { margin: 0 0 9px; color: #102d25; font-size: clamp(28px, 2.7vw, 37px); line-height: 1.12; letter-spacing: -.035em; }
.login-overlay .login-heading p { margin: 0; color: #5e706a; font-size: 14px; line-height: 1.5; }
.login-overlay .login-card form { display: grid; gap: 9px; }
.login-overlay .login-card label { color: #263f37; font-size: 12px; font-weight: 750; }
.login-overlay .login-card input { width: 100%; min-height: 49px; margin-bottom: 5px; padding: 12px 14px; border: 1px solid #b9c8c2; border-radius: 11px; outline: none; background: rgba(244,249,247,.95); color: #142c25; font: inherit; transition: border-color .18s ease, box-shadow .18s ease, background .18s ease; }
.login-overlay .login-card input::placeholder { color: #80918a; }
.login-overlay .login-card input:focus { border-color: #2bb450; background: #fff; box-shadow: 0 0 0 3px rgba(43,180,80,.12); }
.login-overlay .login-card button { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 51px; margin-top: 3px; padding: 12px 16px; border: 0; border-radius: 11px; background: linear-gradient(135deg, #31bc55, #15963c); color: #fff; font-weight: 800; cursor: pointer; box-shadow: 0 12px 28px rgba(28,143,60,.25); transition: transform .18s ease, filter .18s ease; }
.login-overlay .login-card button:hover { filter: brightness(1.05); transform: translateY(-1px); }
.login-overlay .login-card button:focus-visible { outline: 3px solid rgba(37,165,69,.26); outline-offset: 3px; }
.login-overlay .login-card button:disabled { opacity: .6; cursor: wait; transform: none; }
.login-feedback { min-height: 18px; margin: 0; color: #b82727; font-size: 13px; }
.login-overlay .login-footnote { margin: 25px 0 0; color: #779087; font-size: 10px; letter-spacing: .11em; text-align: center; text-transform: uppercase; }

.login-capabilities { position: relative; z-index: 2; grid-column: 3; display: grid; gap: 10px; }
.login-capability { display: grid; grid-template-columns: 42px 1fr; align-items: center; gap: 12px; min-height: 70px; padding: 12px 15px; border: 1px solid rgba(255,255,255,.62); border-radius: 17px; background: rgba(255,255,255,.76); box-shadow: 0 12px 32px rgba(53,78,68,.1); backdrop-filter: blur(12px); }
.login-capability > span { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: rgba(35,166,69,.1); color: #1aa044; font-size: 24px; font-weight: 800; }
.login-capability p { display: grid; gap: 3px; margin: 0; }
.login-capability strong { color: #143027; font-size: 13px; }
.login-capability small { color: #64786f; font-size: 10px; line-height: 1.3; }
.login-capabilities-signature { margin: 13px 5px 0; color: #15362a; font-size: 15px; font-style: italic; font-weight: 650; text-align: right; }

.logout-button { border: 1px solid var(--border-strong); border-radius: 8px; padding: 7px 10px; background: transparent; color: var(--text-soft); cursor: pointer; }

@media (max-width: 1180px) {
    .login-shell { grid-template-columns: minmax(330px, 1fr) minmax(360px, 410px); }
    .login-capabilities { display: none; }
    .login-visual-copy { width: min(370px, 42%); }
}

@media (max-width: 820px) {
    body[data-auth-state="unauthenticated"] { overflow: auto; }
    .login-overlay { align-items: start; padding: 16px; }
    .login-shell { display: block; width: min(560px, 100%); min-height: 0; padding: 0; border-radius: 23px; }
    .login-visual { position: relative; min-height: clamp(210px, 38vh, 300px); }
    .login-visual img { object-position: 34% 27%; }
    .login-visual::after { background: linear-gradient(180deg, transparent 42%, rgba(6,29,21,.78) 100%); }
    .login-visual-copy { left: 23px; bottom: 21px; width: min(400px, calc(100% - 46px)); }
    .login-visual-copy h1 { font-size: clamp(26px, 7vw, 38px); }
    .login-copy-rule { width: 48px; height: 3px; margin: 12px 0 10px; }
    .login-visual-copy p { font-size: 14px; }
    .login-overlay .login-card { width: auto; padding: 28px clamp(22px, 7vw, 42px) 30px; border: 0; border-radius: 0; box-shadow: inset 0 1px rgba(255,255,255,.8); backdrop-filter: none; }
    .login-brand { margin-bottom: 25px; }
}

@media (max-width: 460px) {
    .login-overlay { padding: 0; background: #f7faf8; }
    .login-shell { width: 100%; min-height: 100vh; border: 0; border-radius: 0; }
    .login-visual { min-height: 205px; max-height: 230px; }
    .login-visual img { object-position: 31% 25%; }
    .login-visual-copy h1 { font-size: 27px; }
    .login-visual-copy p { max-width: 270px; font-size: 13px; }
    .login-overlay .login-card { padding: 24px 22px 28px; }
    .login-brand { margin-bottom: 21px; }
    .login-heading { margin-bottom: 21px; }
    .login-overlay .login-card h2 { font-size: 28px; }
    .login-overlay .login-footnote { margin-top: 20px; }
}

@media (prefers-reduced-motion: reduce) {
    .login-overlay .login-card input, .login-overlay .login-card button { transition: none; }
}