.signup-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at 12% 18%, rgba(37, 99, 235, 0.18), transparent 30%),
        radial-gradient(circle at 86% 72%, rgba(167, 139, 250, 0.12), transparent 28%),
        #080d1d;
}

.signup-page::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.035) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(to bottom, #000, transparent 85%);
}

.signup-nav {
    position: relative;
    background: rgba(8, 13, 29, 0.82);
}

.back-link {
    color: var(--text-mute);
    font-size: 14px;
    transition: color 0.15s ease;
}

.back-link:hover { color: #fff; }

.signup-main {
    position: relative;
    z-index: 1;
    min-height: calc(100vh - 150px);
    display: grid;
    place-items: center;
    padding: 64px 24px;
}

.signup-shell {
    width: min(1080px, 100%);
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(430px, 1.08fr);
    gap: 72px;
    align-items: center;
}

.signup-intro h1 {
    margin: 18px 0 20px;
    max-width: 570px;
    color: #f8fafc;
    font-size: clamp(38px, 5vw, 58px);
    line-height: 1.03;
    letter-spacing: -0.035em;
}

.signup-intro > div > p {
    max-width: 540px;
    margin: 0;
    color: var(--text-mute);
    font-size: 17px;
    line-height: 1.7;
}

.signup-kicker {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--accent);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.1px;
    text-transform: uppercase;
}

.signup-kicker span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 12px rgba(34, 197, 94, 0.8);
}

.signup-benefits {
    display: grid;
    gap: 18px;
    margin: 42px 0 34px;
    padding: 0;
    list-style: none;
}

.signup-benefits li {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 14px;
    align-items: center;
}

.benefit-icon {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 12px;
    background: rgba(56, 189, 248, 0.08);
    color: var(--accent);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
}

.signup-benefits strong,
.signup-benefits li span {
    display: block;
}

.signup-benefits strong {
    margin-bottom: 2px;
    color: #f1f5f9;
    font-size: 15px;
}

.signup-benefits li div span {
    color: var(--text-dim);
    font-size: 13px;
    line-height: 1.5;
}

.signup-disclaimer {
    max-width: 520px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    color: var(--text-dim);
    font-size: 12px;
    line-height: 1.6;
}

.signup-card {
    min-height: 660px;
    padding: 38px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 24px;
    background: rgba(15, 23, 42, 0.88);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.step-label {
    color: var(--accent);
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.4px;
}

.card-heading h2,
.success-view h2 {
    margin: 8px 0 5px;
    color: #f8fafc;
    font-size: 28px;
    letter-spacing: -0.02em;
}

.card-heading p,
.success-view > p {
    margin: 0;
    color: var(--text-mute);
    font-size: 14px;
}

.confirmed-banner {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 22px;
    padding: 12px 14px;
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: 11px;
    background: rgba(34, 197, 94, 0.09);
    color: #bbf7d0;
    font-size: 12px;
}

.confirmed-banner[hidden] { display: none; }
.confirmed-banner > span:first-child { color: var(--green); font-weight: 800; }

#signup-form { margin-top: 28px; }

.form-field { margin-bottom: 19px; }

.form-field label {
    display: block;
    margin-bottom: 8px;
    color: #dbeafe;
    font-size: 13px;
    font-weight: 600;
}

.form-field label span {
    color: var(--text-dim);
    font-weight: 400;
}

.form-field input {
    width: 100%;
    height: 50px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 11px;
    outline: 0;
    background: rgba(2, 6, 23, 0.52);
    color: #f8fafc;
    padding: 0 14px;
    font: inherit;
    font-size: 14px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-field input::placeholder { color: #526079; }

.form-field input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.11);
}

.form-field input[aria-invalid="true"] {
    border-color: var(--red);
}

.password-wrap { position: relative; }

.password-wrap input { padding-right: 62px; }

.password-toggle {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    border: 0;
    background: transparent;
    color: var(--accent);
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
}

.password-meter {
    height: 3px;
    margin: 8px 2px 7px;
    overflow: hidden;
    border-radius: 99px;
    background: rgba(148, 163, 184, 0.12);
}

.password-meter span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--red);
    transition: width 0.2s ease, background 0.2s ease;
}

.field-hint,
.field-error {
    min-height: 16px;
    margin: 6px 2px 0;
    font-size: 11.5px;
}

.field-hint { color: var(--text-dim); }
.field-error { color: #fda4af; }

.terms-row {
    display: grid;
    grid-template-columns: 17px 1fr;
    gap: 9px;
    align-items: start;
    color: var(--text-mute);
    cursor: pointer;
    font-size: 12px;
    line-height: 1.55;
}

.terms-row input {
    width: 16px;
    height: 16px;
    margin: 1px 0 0;
    accent-color: var(--accent-2);
}

.terms-error { margin-left: 26px; }

.form-alert {
    min-height: 19px;
    margin: 12px 0 6px;
    color: #fda4af;
    font-size: 12.5px;
    line-height: 1.5;
}

.create-account-btn,
.return-home-btn {
    display: flex;
    width: 100%;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border: 0;
    border-radius: 12px;
    background: linear-gradient(180deg, var(--accent), #1682dd);
    color: #03101f;
    cursor: pointer;
    font-size: 14px;
    font-weight: 800;
    box-shadow: 0 10px 30px rgba(56, 189, 248, 0.18);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.create-account-btn:hover,
.return-home-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 13px 34px rgba(56, 189, 248, 0.26);
}

.create-account-btn:disabled {
    opacity: 0.62;
    cursor: wait;
    transform: none;
}

.secure-note {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    margin-top: 18px;
    color: var(--text-dim);
    font-size: 10.5px;
    line-height: 1.5;
}

.secure-note > span:first-child {
    color: var(--green);
    font-size: 9px;
    margin-top: 2px;
}

.auth-switch {
    margin: 16px 0 0;
    color: var(--text-dim);
    font-size: 0.88rem;
    text-align: center;
}

.auth-switch a,
.confirmed-banner a {
    color: var(--cyan);
    font-weight: 700;
    text-decoration: none;
}

.auth-switch a:hover,
.confirmed-banner a:hover {
    text-decoration: underline;
}

.trap-field {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.success-view {
    min-height: 580px;
    text-align: center;
    padding-top: 34px;
}

.success-mark {
    display: grid;
    width: 68px;
    height: 68px;
    place-items: center;
    margin: 0 auto 24px;
    border: 1px solid rgba(34, 197, 94, 0.32);
    border-radius: 20px;
    background: rgba(34, 197, 94, 0.11);
    color: var(--green);
    font-size: 30px;
    box-shadow: 0 0 30px rgba(34, 197, 94, 0.12);
}

.account-details {
    display: grid;
    gap: 10px;
    margin: 30px 0 18px;
    text-align: left;
}

.account-details > div {
    padding: 15px 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(2, 6, 23, 0.42);
}

.account-details dt {
    margin-bottom: 5px;
    color: var(--text-dim);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.9px;
    text-transform: uppercase;
}

.account-details dd {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin: 0;
    color: #f8fafc;
    font-size: 14px;
    overflow-wrap: anywhere;
}

.account-details code {
    color: var(--accent);
    font-family: var(--mono);
    font-size: 13px;
}

.account-details button {
    flex: none;
    border: 1px solid var(--line-2);
    border-radius: 7px;
    background: rgba(255,255,255,0.04);
    color: var(--text-mute);
    cursor: pointer;
    padding: 5px 9px;
    font-size: 11px;
}

.next-step {
    display: grid;
    gap: 3px;
    margin: 18px 0;
    padding: 14px;
    border: 1px solid rgba(245, 158, 11, 0.22);
    border-radius: 11px;
    background: rgba(245, 158, 11, 0.08);
    color: #fde68a;
    text-align: left;
    font-size: 12px;
}

.next-step span { color: #d6c899; }

.return-home-btn {
    margin-top: 22px;
    text-decoration: none;
}

.signup-footer {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 0 24px 28px;
    color: var(--text-dim);
    font-size: 11px;
}

@media (max-width: 900px) {
    .signup-shell {
        grid-template-columns: 1fr;
        max-width: 580px;
        gap: 42px;
    }

    .signup-intro { text-align: center; }
    .signup-kicker { justify-content: center; }
    .signup-intro > div > p,
    .signup-disclaimer { margin-inline: auto; }
    .signup-benefits { text-align: left; }
}

@media (max-width: 520px) {
    .signup-main { padding: 38px 16px; }
    .signup-card { min-height: auto; padding: 26px 20px; border-radius: 18px; }
    .signup-intro h1 { font-size: 38px; }
    .back-link { font-size: 0; }
    .back-link span { font-size: 22px; }
    .signup-footer { flex-direction: column; align-items: center; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}