/* ——— Register redesign ———
   Large onboarding shell on platform tokens (flat --bg canvas, --gold accents).
   Step order/logic unchanged. */

body.auth-page.register-page {
    /* Alias local tokens to sigma platform palette so theme switches stay in sync. */
    --reg-bg: var(--bg);
    --reg-bg-glow: color-mix(in srgb, var(--gold) 14%, transparent);
    --reg-shell: var(--paper);
    --reg-shell-2: var(--bg-2);
    --reg-ink: var(--cream);
    --reg-mute: var(--muted);
    --reg-line: var(--line);
    --reg-line-strong: var(--line-strong);
    --reg-accent: var(--gold);
    --reg-accent-2: var(--gold-bright);
    --reg-accent-deep: var(--gold-deep);
    --reg-on-accent: var(--on-gold);
    --reg-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --reg-control-h: 56px;
    --reg-radius: 22px;
    --reg-radius-sm: 14px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    padding: 0;
    color: var(--reg-ink);
    background: var(--bg);
}

.auth-back-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: 50%;
    background: color-mix(in srgb, var(--reg-shell, var(--paper)) 88%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--reg-ink, var(--cream));
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
    transition: border-color 0.2s var(--reg-ease, ease), color 0.2s ease, transform 0.2s var(--reg-ease, ease), background 0.2s ease;
}

body.auth-page.register-page .auth-back-btn:hover {
    border-color: var(--reg-accent);
    color: var(--reg-accent);
    background: color-mix(in srgb, var(--reg-accent) 10%, var(--reg-shell));
    transform: translateY(-1px);
}

.register-container {
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 48px 18px 72px;
    box-sizing: border-box;
}

body.auth-page.register-page .register-container {
    align-items: stretch;
    justify-content: center;
    padding: 88px 24px 64px;
    flex: 1 0 auto;
}

body.auth-page.register-page .register-box {
    width: min(100%, 980px);
    padding: 0;
    border: 1px solid var(--reg-line);
    background:
        radial-gradient(ellipse 70% 45% at 12% 0%, color-mix(in srgb, var(--gold) 10%, transparent), transparent 55%),
        var(--reg-shell);
    box-shadow: var(--panel-glow);
    border-radius: calc(var(--reg-radius) + 4px);
    position: relative;
    overflow: hidden;
    color: var(--reg-ink);
}

body.auth-page.register-page .register-box::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 8%,
        color-mix(in srgb, var(--reg-accent) 45%, transparent) 35%,
        color-mix(in srgb, #fff 35%, transparent) 50%,
        color-mix(in srgb, var(--reg-accent) 45%, transparent) 65%,
        transparent 92%
    );
    pointer-events: none;
}

/* Fallback for welcome-rating / non-auth uses */
.register-box {
    width: min(100%, 720px);
    padding: 36px 40px;
    border: 1px solid var(--line);
    background: var(--paper);
    border-radius: 18px;
}

/* ——— Hero logo ——— */
.register-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    padding: 44px 48px 10px;
}

.register-logo {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    margin: 0 0 10px;
    padding: 10px 14px 10px 10px;
    border: 1px solid var(--reg-line);
    border-radius: 28px;
    background: color-mix(in srgb, var(--reg-shell-2) 70%, transparent);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s var(--reg-ease), background 0.2s ease, transform 0.2s var(--reg-ease);
}

.register-logo:hover {
    border-color: var(--reg-line-strong);
    background: var(--reg-shell-2);
    transform: translateY(-1px);
}

.register-logo-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background:
        linear-gradient(160deg, #23272b 0%, #15181b 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 10px 24px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

html[data-theme="light"] body.auth-page.register-page .register-logo-badge {
    background: linear-gradient(160deg, #ffffff 0%, #eef1ee 100%);
    border-color: rgba(20, 30, 24, 0.1);
    box-shadow:
        0 8px 20px rgba(20, 30, 24, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.register-logo-badge::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.12), transparent 55%);
    pointer-events: none;
}

.register-logo-mark {
    width: 48px;
    height: 48px;
    display: block;
    object-fit: contain;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.4));
}

.register-logo-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    text-align: left;
    padding-right: 8px;
}

.register-wordmark {
    font-family: var(--font);
    font-size: clamp(1.7rem, 2.8vw, 2.15rem);
    font-weight: 750;
    letter-spacing: -0.05em;
    line-height: 0.95;
    color: var(--reg-ink);
}

.register-wordmark em {
    font-style: normal;
    font-weight: 800;
    color: var(--reg-accent-2);
    background: linear-gradient(180deg, var(--reg-accent-2), var(--reg-accent-deep));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.register-logo-tag {
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--reg-mute);
}

body.auth-page.register-page .register-box h2 {
    margin: 0;
    text-align: center;
    font-size: clamp(2.15rem, 4vw, 3rem);
    font-family: var(--font);
    font-weight: 700;
    letter-spacing: -0.045em;
    color: var(--reg-ink);
    line-height: 1.08;
}

.register-subtitle {
    margin: 0;
    max-width: 34rem;
    text-align: center;
    font-size: 1.08rem;
    line-height: 1.55;
    color: var(--reg-mute);
}

.register-main {
    padding: 8px 48px 44px;
}

.register-box form,
.register-actions {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.register-actions {
    margin-top: 8px;
}

.register-actions--split {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 12px;
}

.register-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.register-field-label {
    font-size: 0.78rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--reg-mute);
}

#verify-code-form:not([hidden]) {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 10px;
}

#verify-code-form[hidden] {
    display: none !important;
}

.verify-code-hint {
    margin: 0;
    text-align: center;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--reg-mute);
}

#verify-code {
    letter-spacing: 0.42em;
    text-align: center;
    font-weight: 750;
    font-size: 1.4rem;
}

body.auth-page.register-page .register-box input {
    min-height: var(--reg-control-h);
    padding: 16px 18px;
    border-radius: var(--reg-radius-sm);
    border: 1px solid var(--reg-line);
    background: var(--reg-shell-2);
    color: var(--reg-ink);
    font-size: 1.08rem;
    font-family: var(--font);
    caret-color: var(--reg-ink);
    transition: border-color 0.2s var(--reg-ease), box-shadow 0.2s var(--reg-ease), background 0.2s ease;
}

body.auth-page.register-page .register-box input::placeholder {
    color: color-mix(in srgb, var(--reg-mute) 80%, transparent);
}

body.auth-page.register-page .register-box input:focus {
    outline: none;
    border-color: var(--reg-accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--reg-accent) 18%, transparent);
    background: color-mix(in srgb, var(--reg-accent) 4%, var(--reg-shell-2));
}

body.auth-page.register-page .register-box input:-webkit-autofill,
body.auth-page.register-page .register-box input:-webkit-autofill:hover,
body.auth-page.register-page .register-box input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--reg-ink);
    caret-color: var(--reg-ink);
    box-shadow: 0 0 0 1000px var(--reg-shell-2) inset;
    transition: background-color 9999s ease-out;
}

.register-cred-panel {
    padding: 24px;
    border: 1px solid var(--reg-line);
    border-radius: var(--reg-radius);
    background: var(--reg-shell-2);
}

.google-auth-button {
    width: 100%;
    min-height: var(--reg-control-h, 56px);
    padding: 16px 20px;
    border: 1px solid var(--reg-line);
    border-radius: var(--reg-radius-sm, 14px);
    background: var(--reg-shell, var(--paper));
    color: var(--reg-ink, var(--cream));
    font-weight: 750;
    font-size: 1.05rem;
    font-family: var(--font);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
    transition: transform 0.2s var(--reg-ease, ease), border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.auth-logo {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.google-auth-button:hover {
    transform: translateY(-2px);
    border-color: var(--reg-line-strong, var(--gold));
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 6%, var(--reg-shell, var(--paper)));
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 20px 0 16px;
    color: var(--reg-mute, var(--muted));
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--reg-line, var(--line));
}

.register-button {
    width: 100%;
    min-height: var(--reg-control-h, 56px);
    padding: 16px 22px;
    border: 1px solid var(--reg-accent-deep, var(--gold));
    border-radius: var(--reg-radius-sm, 14px);
    background: linear-gradient(180deg, var(--reg-accent-2, var(--gold)), var(--reg-accent-deep, var(--gold)));
    color: var(--reg-on-accent, var(--on-gold));
    font-size: 1.08rem;
    font-weight: 750;
    font-family: var(--font);
    cursor: pointer;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.12) inset,
        0 8px 18px rgba(0, 0, 0, 0.22);
    transition: transform 0.2s var(--reg-ease, ease), box-shadow 0.2s ease, filter 0.2s ease;
}

.register-button:hover {
    transform: translateY(-1px);
    filter: brightness(1.04);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.16) inset,
        0 12px 24px rgba(0, 0, 0, 0.26);
}

.register-button:active {
    transform: translateY(0);
}

.register-button:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--reg-accent, var(--gold)) 55%, transparent);
    outline-offset: 3px;
}

.auth-status {
    margin: 18px 48px 0;
    padding: 14px 16px;
    border-radius: var(--reg-radius-sm, 14px);
    font-size: 0.98rem;
    line-height: 1.5;
    text-align: center;
    border: 1px solid var(--reg-line, var(--line));
    background: var(--reg-shell-2, var(--paper-2));
    color: var(--reg-ink, var(--cream));
}

.auth-status[data-kind="error"] {
    border-color: color-mix(in srgb, var(--signal, #ef4444) 45%, transparent);
    background: color-mix(in srgb, var(--signal, #ef4444) 10%, var(--reg-shell, var(--paper)));
    color: var(--signal, #ef4444);
}

.auth-status[data-kind="success"] {
    border-color: color-mix(in srgb, var(--reg-accent, var(--gold)) 40%, transparent);
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 10%, var(--reg-shell, var(--paper)));
    color: var(--reg-accent, var(--gold));
}

.resend-verification,
#resend-verification {
    display: block;
    width: 100%;
    margin-top: 12px;
    min-height: 48px;
    padding: 12px 16px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius-sm, 14px);
    background: transparent;
    color: var(--reg-mute, var(--muted));
    font-weight: 650;
    font-size: 0.95rem;
    font-family: var(--font);
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.resend-verification[hidden],
#resend-verification[hidden] {
    display: none;
}

.resend-verification:hover,
#resend-verification:hover {
    color: var(--reg-ink, var(--cream));
    border-color: var(--reg-line-strong, var(--gold));
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 6%, transparent);
}

.register-footer {
    margin-top: 22px;
    text-align: center;
    color: var(--reg-mute, var(--muted));
    font-size: 1rem;
}

.register-footer a {
    color: var(--reg-accent, var(--gold));
    text-decoration: none;
    font-weight: 700;
}

.register-footer a:hover {
    text-decoration: underline;
}

.auth-links {
    margin-top: 4px;
}

/* ——— Large numbered progress + neon ribbon ——— */
.step-indicator {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0;
    margin: 28px 48px 10px;
    padding: 20px 22px 16px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius, 22px);
    background: color-mix(in srgb, var(--reg-shell-2, var(--paper-2)) 88%, transparent);
    position: relative;
}

.step-indicator-ribbon {
    position: absolute;
    left: 44px;
    right: 44px;
    top: 38px;
    height: 3px;
    pointer-events: none;
    z-index: 0;
}

.step-indicator-ribbon-track {
    position: absolute;
    inset: 0;
    border-radius: 99px;
    background: var(--reg-line, var(--line));
}

.step-indicator-ribbon-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0%;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--reg-accent, var(--gold)), var(--reg-accent-2, var(--gold-bright)));
    box-shadow: 0 0 12px color-mix(in srgb, var(--reg-accent, var(--gold)) 35%, transparent);
    transition: width 0.45s var(--reg-ease, ease);
}

.step-indicator-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
    min-width: 0;
    flex: 1;
}

.step-indicator-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1.5px solid var(--reg-line, var(--line));
    background: var(--reg-shell, var(--paper));
    color: var(--reg-mute, var(--muted));
    transition: background 0.3s var(--reg-ease, ease), border-color 0.3s ease, color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.step-indicator-num {
    font-size: 0.92rem;
    font-weight: 800;
    line-height: 1;
}

.step-indicator-item.is-active .step-indicator-dot {
    background: var(--reg-accent, var(--gold));
    border-color: var(--reg-accent, var(--gold));
    color: var(--reg-on-accent, var(--on-gold));
    transform: scale(1.04);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--reg-accent, var(--gold)) 12%, transparent);
}

.step-indicator-item.is-completed .step-indicator-dot {
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 16%, var(--reg-shell, var(--paper)));
    border-color: var(--reg-accent, var(--gold));
    color: var(--reg-accent, var(--gold));
}

.step-indicator-item.is-completed .step-indicator-num {
    font-size: 0;
}

.step-indicator-item.is-completed .step-indicator-dot::after {
    content: "";
    width: 8px;
    height: 13px;
    border-right: 2.5px solid var(--reg-accent, var(--gold));
    border-bottom: 2.5px solid var(--reg-accent, var(--gold));
    transform: rotate(45deg) translate(-1px, -1px);
}

.step-indicator-label {
    display: block;
    color: var(--reg-mute, var(--muted));
    font-size: 0.78rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.step-indicator-item.is-active .step-indicator-label,
.step-indicator-item.is-completed .step-indicator-label {
    color: var(--reg-accent, var(--gold));
}

.step-indicator-connector {
    display: block;
    width: 100%;
    max-width: 72px;
    height: 3px;
    margin: 18px 6px 0;
    flex: 0.6 1 auto;
    background: transparent;
    border-radius: 99px;
    position: relative;
    z-index: 0;
}

.step-indicator-item.is-completed + .step-indicator-connector {
    background: transparent;
}

/* ——— Steps ——— */
.register-steps {
    position: relative;
    min-height: 0;
}

.register-step {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.32s var(--reg-ease, ease), transform 0.32s var(--reg-ease, ease);
    pointer-events: none;
}

.register-step.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Staggered enter: coach → body → actions */
@keyframes register-enter {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.register-step.is-entering .register-coach-head,
.register-step.is-entering .elo-picker,
.register-step.is-entering .linked-picker-fieldset,
.register-step.is-entering .handle-picker,
.register-step.is-entering .elo-live-panel,
.register-step.is-entering .register-cred-panel,
.register-step.is-entering .register-actions,
.register-step.is-entering .register-back,
.register-step.is-entering .auth-links {
    animation: register-enter 0.45s var(--reg-ease, ease) both;
}

.register-step.is-entering .elo-picker,
.register-step.is-entering .linked-picker-fieldset,
.register-step.is-entering .handle-picker,
.register-step.is-entering .elo-live-panel,
.register-step.is-entering .register-cred-panel {
    animation-delay: 0.1s;
}

.register-step.is-entering .register-actions,
.register-step.is-entering .register-back,
.register-step.is-entering .auth-links {
    animation-delay: 0.2s;
}

@media (prefers-reduced-motion: reduce) {
    .register-step {
        transition: opacity 0.12s ease;
        transform: none;
    }

    .register-step.active,
    .register-button:hover,
    .google-auth-button:hover,
    .elo-choice:hover,
    .auth-back-btn:hover {
        transform: none;
    }

    .register-step.is-entering .register-coach-head,
    .register-step.is-entering .elo-picker,
    .register-step.is-entering .linked-picker-fieldset,
    .register-step.is-entering .handle-picker,
    .register-step.is-entering .elo-live-panel,
    .register-step.is-entering .register-cred-panel,
    .register-step.is-entering .register-actions,
    .register-step.is-entering .register-back,
    .register-step.is-entering .auth-links,
    .elo-choice.is-pulse,
    .elo-preview-chip.is-pulse,
    .connect-dock-slot.is-docked,
    .handle-input-row.is-shake,
    .handle-flourish-ring,
    .handle-flourish-tick {
        animation: none !important;
        transition: none !important;
        opacity: 1;
        transform: none;
    }

    .step-indicator-ribbon-fill {
        transition: none;
    }

    .elo-live-confetti {
        display: none !important;
    }
}

.register-back {
    display: inline-flex;
    align-items: center;
    margin: 18px 0 0;
    padding: 8px 0;
    border: 0;
    background: none;
    color: var(--reg-mute, var(--muted));
    font-size: 0.98rem;
    font-weight: 650;
    font-family: var(--font);
    cursor: pointer;
    transition: color 0.15s ease;
}

.register-back:hover {
    color: var(--reg-accent, var(--gold));
}

/* ——— Coach ——— */
.register-coach-head {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin: 0 0 26px;
}

.register-coach-bubble {
    position: relative;
    flex: 1;
    min-width: 0;
    padding: 20px 24px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius, 22px);
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 5%, var(--reg-shell-2, var(--paper)));
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.14);
}

.register-coach-bubble::before {
    content: "";
    position: absolute;
    left: -7px;
    top: 30px;
    width: 14px;
    height: 14px;
    border-left: 1px solid var(--reg-line-strong, var(--line));
    border-bottom: 1px solid var(--reg-line-strong, var(--line));
    border-radius: 0 0 0 3px;
    background: inherit;
    transform: rotate(45deg);
}

.register-coach-bubble .eyebrow {
    display: block;
    margin: 0 0 8px;
    color: var(--reg-accent, var(--gold));
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.register-coach-bubble h3 {
    margin: 0 0 8px;
    color: var(--reg-ink, var(--cream));
    font-size: clamp(1.35rem, 2.6vw, 1.7rem);
    font-family: var(--font);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.register-coach-desc {
    margin: 0;
    color: var(--reg-mute, var(--muted));
    font-size: 1.02rem;
    line-height: 1.55;
}

body.register-page .register-coach-head .coach-avatar-panel.register-coach-avatar {
    flex: 0 0 auto;
    width: 88px;
    height: 88px;
}

/* ——— Handle ——— */
.handle-picker {
    margin: 0 0 8px;
    padding: 24px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius, 22px);
    background: var(--reg-shell-2, var(--fill-subtle));
}

.handle-picker-legend {
    padding: 0 6px;
    color: var(--reg-accent, var(--gold));
    font-size: 0.74rem;
    font-weight: 750;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.handle-input-row {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-top: 14px;
    border-radius: var(--reg-radius-sm, 14px);
    position: relative;
    transition: box-shadow 0.2s ease;
}

.handle-input-row:focus-within {
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--reg-accent, var(--gold)) 18%, transparent);
}

.handle-input-row.is-available {
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--reg-accent, var(--gold)) 22%, transparent);
}

.handle-input-row.is-available .handle-at,
.handle-input-row.is-available input,
.handle-input-row.is-available .handle-check-btn {
    border-color: var(--reg-accent, var(--gold));
}

.handle-input-row.is-taken .handle-at,
.handle-input-row.is-taken input,
.handle-input-row.is-taken .handle-check-btn {
    border-color: color-mix(in srgb, var(--signal, #ef4444) 70%, var(--reg-line, var(--line)));
}

.handle-input-row.is-taken {
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--signal, #ef4444) 18%, transparent);
}

@keyframes handle-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(5px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(3px); }
}

.handle-input-row.is-shake {
    animation: handle-shake 0.42s var(--reg-ease, ease);
}

.handle-flourish {
    display: none;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 44px;
    border-top: 1px solid var(--reg-line, var(--line));
    border-bottom: 1px solid var(--reg-line, var(--line));
    border-right: 1px solid var(--reg-line, var(--line));
    background: var(--reg-shell, var(--input-bg));
}

.handle-input-row.is-available .handle-flourish {
    display: inline-flex;
    border-color: var(--reg-accent, var(--gold));
}

.handle-flourish-check {
    width: 24px;
    height: 24px;
}

.handle-flourish-ring {
    fill: none;
    stroke: var(--reg-accent, var(--gold));
    stroke-width: 2;
    stroke-dasharray: 64;
    stroke-dashoffset: 64;
    transform-origin: center;
}

.handle-flourish-tick {
    fill: none;
    stroke: var(--reg-accent, var(--gold));
    stroke-width: 2.4;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 24;
    stroke-dashoffset: 24;
}

.handle-input-row.is-available .handle-flourish-ring {
    animation: handle-ring-draw 0.45s var(--reg-ease, ease) forwards;
}

.handle-input-row.is-available .handle-flourish-tick {
    animation: handle-tick-draw 0.35s var(--reg-ease, ease) 0.2s forwards;
}

@keyframes handle-ring-draw {
    to { stroke-dashoffset: 0; }
}

@keyframes handle-tick-draw {
    to { stroke-dashoffset: 0; }
}

.handle-input-row:focus-within .handle-at,
.handle-input-row:focus-within input,
.handle-input-row:focus-within .handle-check-btn {
    border-color: var(--reg-accent, var(--gold));
}

.handle-at {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    padding: 0 0 0 20px;
    border: 1px solid var(--reg-line, var(--line));
    border-right: none;
    border-radius: var(--reg-radius-sm, 14px) 0 0 var(--reg-radius-sm, 14px);
    background: var(--reg-shell, var(--input-bg));
    color: var(--reg-mute, var(--muted));
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
}

.handle-input-row input {
    flex: 1;
    min-width: 0;
    border-right: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.handle-input-row input:focus {
    box-shadow: none !important;
}

.handle-check-btn {
    flex: 0 0 auto;
    min-width: 108px;
    min-height: var(--reg-control-h, 56px);
    padding: 0 22px;
    border: 1px solid var(--reg-line, var(--line));
    border-left: none;
    border-radius: 0 var(--reg-radius-sm, 14px) var(--reg-radius-sm, 14px) 0;
    background: var(--reg-shell, var(--input-bg));
    color: var(--reg-accent, var(--gold));
    font-size: 0.95rem;
    font-weight: 800;
    font-family: var(--font);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.handle-check-btn:hover {
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 10%, var(--reg-shell, var(--input-bg)));
}

.handle-status {
    margin: 14px 0 0;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 0.92rem;
    font-weight: 650;
    line-height: 1.4;
}

.handle-status--available {
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 10%, var(--reg-shell, var(--paper)));
    border: 1px solid color-mix(in srgb, var(--reg-accent, var(--gold)) 30%, transparent);
    color: var(--reg-accent, var(--gold));
}

.handle-status--taken {
    background: color-mix(in srgb, var(--signal, #ef4444) 10%, var(--reg-shell, var(--paper)));
    border: 1px solid color-mix(in srgb, var(--signal, #ef4444) 30%, transparent);
    color: var(--signal, #ef4444);
}

.handle-status--invalid {
    background: color-mix(in srgb, var(--reg-mute, var(--muted)) 10%, var(--reg-shell, var(--paper)));
    border: 1px solid color-mix(in srgb, var(--reg-mute, var(--muted)) 25%, transparent);
    color: var(--reg-mute, var(--muted));
}

.handle-hint {
    margin: 12px 0 0;
    color: var(--reg-mute, var(--muted));
    font-size: 0.88rem;
    line-height: 1.45;
}

/* ——— Live rising Elo chart (step 4) ——— */
.elo-live-panel {
    margin: 0 0 10px;
    padding: 26px 26px 22px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius, 22px);
    background: var(--reg-shell-2, var(--fill-subtle));
}

.elo-live-head {
    margin: 0 0 16px;
    text-align: left;
}

.elo-live-kicker {
    margin: 0 0 6px;
    color: var(--reg-accent, var(--gold));
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.elo-live-title {
    margin: 0;
    color: var(--reg-ink, var(--cream));
    font-size: clamp(1.25rem, 2.4vw, 1.55rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.25;
}

.elo-live-chart-wrap {
    position: relative;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius-sm, 14px);
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--reg-accent, var(--gold)) 4%, var(--reg-shell, var(--paper))) 0%, var(--reg-shell, var(--paper)) 100%);
    overflow: hidden;
    padding: 8px 8px 0;
}

.elo-live-confetti {
    position: absolute;
    left: 8px;
    right: 8px;
    top: 8px;
    width: calc(100% - 16px);
    height: clamp(180px, 28vw, 250px);
    pointer-events: none;
    z-index: 2;
}

.elo-live-chart {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: clamp(180px, 28vw, 250px);
    color: var(--reg-accent, var(--gold));
}

.elo-live-grid line {
    stroke: color-mix(in srgb, var(--reg-line, var(--line)) 85%, transparent);
    stroke-width: 1;
}

.elo-live-line {
    stroke: var(--reg-accent-2, var(--reg-accent, var(--gold)));
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.elo-live-dot {
    fill: var(--reg-shell, var(--paper));
    stroke: var(--reg-accent-2, var(--reg-accent, var(--gold)));
    stroke-width: 3;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.25));
}

.elo-live-delta {
    fill: var(--reg-accent-2, var(--reg-accent, var(--gold)));
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
    paint-order: stroke fill;
    stroke: color-mix(in srgb, var(--reg-shell, var(--paper)) 88%, transparent);
    stroke-width: 5px;
    stroke-linejoin: round;
    pointer-events: none;
}

.elo-live-axis {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 12px 12px;
    color: var(--reg-mute, var(--muted));
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.elo-live-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 16px 0 12px;
}

.elo-live-stat {
    padding: 14px 16px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius-sm, 14px);
    background: var(--reg-shell, var(--paper));
}

.elo-live-stat--live {
    border-color: color-mix(in srgb, var(--reg-accent, var(--gold)) 35%, var(--reg-line, var(--line)));
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 7%, var(--reg-shell, var(--paper)));
}

.elo-live-stat-label {
    display: block;
    margin: 0 0 6px;
    color: var(--reg-mute, var(--muted));
    font-size: 0.72rem;
    font-weight: 750;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.elo-live-stat-value {
    display: block;
    color: var(--reg-ink, var(--cream));
    font-size: clamp(1.35rem, 2.5vw, 1.7rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

.elo-live-stat--live .elo-live-stat-value {
    color: var(--reg-accent-2, var(--reg-accent, var(--gold)));
}

.elo-live-caption {
    margin: 0;
    color: var(--reg-mute, var(--muted));
    font-size: 0.86rem;
    line-height: 1.45;
}

.welcome-skip {
    display: block;
    width: 100%;
    min-height: var(--reg-control-h, 56px);
    margin: 0;
    padding: 14px 18px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius-sm, 14px);
    background: transparent;
    color: var(--reg-ink, var(--cream));
    font-size: 1.02rem;
    font-weight: 700;
    font-family: var(--font);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.welcome-skip:hover {
    border-color: var(--reg-accent, var(--gold));
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 7%, transparent);
}

/* ——— Elo picker ——— */
.elo-picker {
    margin: 0 0 8px;
    padding: 22px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius, 22px);
    background: var(--reg-shell-2, var(--fill-subtle));
}

.elo-picker legend {
    padding: 0 6px;
    color: var(--reg-accent, var(--gold));
    font-size: 0.74rem;
    font-weight: 750;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.elo-preview-chip {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 14px;
    padding: 12px 16px;
    border: 1px solid color-mix(in srgb, var(--elo-band, var(--reg-accent, var(--gold))) 35%, var(--reg-line, var(--line)));
    border-radius: var(--reg-radius-sm, 14px);
    background:
        radial-gradient(ellipse 70% 80% at 8% 0%, color-mix(in srgb, var(--elo-band, var(--reg-accent, var(--gold))) 18%, transparent), transparent 55%),
        color-mix(in srgb, var(--elo-band, var(--reg-accent, var(--gold))) 8%, var(--reg-shell, var(--paper)));
    color: var(--reg-ink, var(--cream));
}

.elo-preview-chip-kicker {
    color: var(--reg-mute, var(--muted));
    font-size: 0.72rem;
    font-weight: 750;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.elo-preview-chip-value {
    color: var(--elo-band, var(--reg-accent-2, var(--gold)));
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

@keyframes elo-preview-pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 color-mix(in srgb, var(--elo-band, var(--reg-accent, var(--gold))) 0%, transparent); }
    40% { transform: scale(1.015); box-shadow: 0 0 0 6px color-mix(in srgb, var(--elo-band, var(--reg-accent, var(--gold))) 16%, transparent); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 color-mix(in srgb, var(--elo-band, var(--reg-accent, var(--gold))) 0%, transparent); }
}

.elo-preview-chip.is-pulse,
.elo-choice.is-pulse {
    animation: elo-preview-pulse 0.55s var(--reg-ease, ease);
}

.elo-picker[data-band="under-800"] { --elo-band: #6b8f72; }
.elo-picker[data-band="800-1000"] { --elo-band: #5f9e6e; }
.elo-picker[data-band="1000-1200"] { --elo-band: #4db86a; }
.elo-picker[data-band="1200-1400"] { --elo-band: #39ff14; }
.elo-picker[data-band="1400-1600"] { --elo-band: #39ff14; }
.elo-picker[data-band="1600-1800"] { --elo-band: #7cff4a; }
.elo-picker[data-band="1800-2000"] { --elo-band: #7cff4a; }
.elo-picker[data-band="2000-2200"] { --elo-band: #b8ff7a; }
.elo-picker[data-band="2200-plus"] { --elo-band: #e8ffe0; }
.elo-picker[data-band="unrated"] { --elo-band: #9aa39c; }

.elo-table {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.elo-choice {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 0;
    min-height: 58px;
    padding: 16px 18px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius-sm, 14px);
    background: var(--reg-shell, var(--paper));
    color: var(--reg-ink, var(--cream));
    font-size: 1.05rem;
    cursor: pointer;
    transition: border-color 0.2s var(--reg-ease, ease), background 0.2s ease, box-shadow 0.2s ease, transform 0.2s var(--reg-ease, ease);
}

.elo-picker[data-band] .elo-choice:has(:checked) {
    border-color: var(--elo-band, var(--reg-accent, var(--gold)));
    background:
        radial-gradient(ellipse 80% 70% at 0% 0%, color-mix(in srgb, var(--elo-band, var(--reg-accent, var(--gold))) 16%, transparent), transparent 55%),
        color-mix(in srgb, var(--elo-band, var(--reg-accent, var(--gold))) 10%, var(--reg-shell, var(--paper)));
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--elo-band, var(--reg-accent, var(--gold))) 50%, transparent);
}

.elo-choice:hover {
    border-color: color-mix(in srgb, var(--reg-accent, var(--gold)) 50%, var(--reg-line, var(--line)));
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 6%, var(--reg-shell, var(--paper)));
    transform: translateY(-2px);
}

.elo-choice input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    margin: 0;
    pointer-events: none;
}

.elo-choice-mark {
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid color-mix(in srgb, var(--reg-line, var(--line)) 80%, var(--reg-mute, var(--muted)));
    background: transparent;
    position: relative;
}

.elo-choice-mark::after {
    content: "";
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    background: var(--reg-accent, var(--gold));
    transform: scale(0);
    transition: transform 0.2s var(--reg-ease, ease);
}

.elo-choice-label {
    flex: 1;
    min-width: 0;
    font-weight: 650;
    letter-spacing: -0.015em;
}

.elo-choice:has(:checked) {
    border-color: var(--reg-accent, var(--gold));
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--reg-accent, var(--gold)) 55%, transparent);
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 8%, var(--reg-shell, var(--paper)));
}

.elo-choice:has(:checked) .elo-choice-mark {
    border-color: var(--reg-accent, var(--gold));
}

.elo-choice:has(:checked) .elo-choice-mark::after {
    transform: scale(1);
}

.elo-choice:has(:checked) .elo-choice-label {
    font-weight: 800;
}

.elo-choice:focus-within {
    outline: none;
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--reg-accent, var(--gold)) 18%, transparent);
}

/* ——— Linked accounts ——— */
.linked-picker-fieldset {
    margin: 0 0 8px;
    padding: 24px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: var(--reg-radius, 22px);
    background: var(--reg-shell-2, var(--fill-subtle));
}

.linked-picker-fieldset legend {
    padding: 0 6px;
    color: var(--reg-accent, var(--gold));
    font-size: 0.74rem;
    font-weight: 750;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.linked-picker-hint {
    margin: 0 0 18px;
    color: var(--reg-mute, var(--muted));
    font-size: 0.98rem;
    line-height: 1.55;
}

.linked-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.linked-field {
    display: block;
    margin: 0;
}

.linked-field-label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 8px;
    color: var(--reg-ink, var(--cream));
    font-size: 0.95rem;
    font-weight: 700;
}

.linked-field-label .site-logo {
    flex: 0 0 auto;
}

.linked-field input {
    box-sizing: border-box;
    width: 100%;
}

.linked-field.is-ready .linked-field-label {
    color: var(--reg-accent, var(--gold));
}

.linked-field.is-ready input {
    border-color: color-mix(in srgb, var(--reg-accent, var(--gold)) 45%, var(--reg-line, var(--line)));
}

.connect-dock {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    margin: 18px 0 0;
    padding: 14px 16px;
    border: 1px dashed color-mix(in srgb, var(--reg-accent, var(--gold)) 35%, var(--reg-line, var(--line)));
    border-radius: var(--reg-radius-sm, 14px);
    background: color-mix(in srgb, var(--reg-accent, var(--gold)) 6%, var(--reg-shell, var(--paper)));
}

.connect-dock-label {
    color: var(--reg-mute, var(--muted));
    font-size: 0.72rem;
    font-weight: 750;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.connect-dock-slots {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.connect-dock-slot {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--reg-line, var(--line));
    border-radius: 999px;
    background: var(--reg-shell, var(--paper));
    color: var(--reg-ink, var(--cream));
    font-size: 0.9rem;
    font-weight: 700;
}

.connect-dock-slot.is-docked {
    animation: connect-dock-in 0.4s var(--reg-ease, ease) both;
}

@keyframes connect-dock-in {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.connect-dock-slot .site-logo {
    width: 18px;
    height: 18px;
}

.connect-dock-name {
    font-variant-numeric: tabular-nums;
}

/* ——— Responsive ——— */
@media (max-width: 820px) {
    .register-actions--split,
    .linked-fields {
        grid-template-columns: 1fr;
    }

    .step-indicator-connector {
        max-width: 36px;
    }

    .step-indicator-ribbon {
        left: 36px;
        right: 36px;
    }
}

@media (max-width: 640px) {
    body.auth-page.register-page .register-container {
        padding: 72px 12px 40px;
    }

    .register-hero,
    .register-main {
        padding-left: 18px;
        padding-right: 18px;
    }

    .register-hero {
        padding-top: 28px;
        gap: 12px;
    }

    .register-main {
        padding-bottom: 32px;
    }

    body.auth-page.register-page .register-box {
        border-radius: 20px;
    }

    .auth-status,
    .step-indicator {
        margin-left: 18px;
        margin-right: 18px;
    }

    .register-logo {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .register-logo-copy {
        align-items: center;
        text-align: center;
    }

    .register-logo {
        padding: 8px 12px 8px 8px;
        border-radius: 22px;
        gap: 12px;
    }

    .register-logo-badge {
        width: 58px;
        height: 58px;
        border-radius: 16px;
    }

    .register-logo-mark {
        width: 36px;
        height: 36px;
    }

    .register-wordmark {
        font-size: 1.45rem;
    }

    body.auth-page.register-page .register-box h2 {
        font-size: clamp(1.7rem, 8vw, 2.2rem);
    }

    .register-subtitle {
        font-size: 0.98rem;
    }

    .step-indicator {
        padding: 14px 10px 12px;
        margin-top: 20px;
    }

    .step-indicator-ribbon {
        left: 22px;
        right: 22px;
        top: 28px;
    }

    .step-indicator-dot {
        width: 32px;
        height: 32px;
    }

    .step-indicator-num {
        font-size: 0.78rem;
    }

    .step-indicator-label {
        font-size: 0.58rem;
        letter-spacing: 0.02em;
    }

    .step-indicator-connector {
        max-width: 16px;
        margin-top: 14px;
        height: 2px;
    }

    .elo-table {
        grid-template-columns: 1fr;
    }

    body.register-page .register-coach-head .coach-avatar-panel.register-coach-avatar {
        width: 64px;
        height: 64px;
    }

    .register-coach-head {
        gap: 12px;
    }

    .register-coach-bubble {
        padding: 16px;
    }

    .register-coach-bubble::before {
        top: 24px;
    }

    .register-cred-panel,
    .elo-live-panel,
    .elo-picker,
    .handle-picker,
    .linked-picker-fieldset {
        padding: 16px;
        border-radius: 16px;
    }

    .elo-live-stats {
        grid-template-columns: 1fr;
    }

    .elo-live-chart {
        height: 170px;
    }

    body.auth-page.register-page .register-box input,
    .register-button,
    .google-auth-button,
    .welcome-skip,
    .handle-check-btn {
        font-size: 16px;
    }
}