/* ============================================================
   Bolto — Scientific Premium / Blue & White
   静かでプロフェッショナルなライトテーマ
   ============================================================ */

:root {
    /* Base (White / Light Slate) */
    --bg-base: #F8FAFC;
    --bg-app: #f8f9fb;
    --bg-card: #FFFFFF;
    --bg-card-hover: #f1f5f9;
    --bg-input: #f1f5f9;
    --bg-input-focus: #ffffff;
    --bg-subtle: #F1F5F9;
    --bg-glass: rgba(255, 255, 255, 0.72);

    --text-main: #0F172A;
    --text-sub: #475569;
    --text-muted: #94A3B8;
    /* V2 aliases (semantic 3-tier) */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-dim: #94a3b8;

    /* Accent (Deep Blue) */
    --accent-blue: #2563EB;
    --accent-blue-dark: #1E40AF;
    --accent-blue-deeper: #1E3A8A;
    --accent-blue-soft: #EFF6FF;
    --accent-blue-border: #BFDBFE;
    /* V2 accent aliases */
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-subtle: rgba(37, 99, 235, 0.08);
    --accent-glow: rgba(37, 99, 235, 0.25);

    /* V2 status colors */
    --success: #10b981;
    --success-subtle: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-subtle: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-subtle: rgba(239, 68, 68, 0.1);

    /* Premium gradients & auth-scene background */
    --grad-primary: linear-gradient(135deg, #3B82F6 0%, #2563EB 55%, #1E3A8A 100%);
    --grad-primary-hover: linear-gradient(135deg, #2563EB 0%, #1E40AF 55%, #1E3A8A 100%);
    --grad-auth-scene:
        radial-gradient(1200px 720px at 12% 0%, rgba(59, 130, 246, 0.10) 0%, rgba(59, 130, 246, 0) 60%),
        radial-gradient(900px 620px at 100% 20%, rgba(30, 58, 138, 0.10) 0%, rgba(30, 58, 138, 0) 60%),
        linear-gradient(180deg, #F5F8FF 0%, #F8FAFC 40%, #EEF4FF 100%);

    --stroke: #E2E8F0;
    --stroke-subtle: #f1f5f9;
    --stroke-strong: #CBD5E1;

    --shadow-soft: 0 1px 3px rgba(15, 23, 42, 0.06), 0 4px 16px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0 4px 20px rgba(37, 99, 235, 0.10);
    --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.15);
    --shadow-card-elevated:
        0 1px 2px rgba(15, 23, 42, 0.04),
        0 12px 32px -12px rgba(37, 99, 235, 0.18),
        0 32px 60px -24px rgba(30, 58, 138, 0.22);
    /* V2 shadow scale */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 24px var(--accent-glow);

    --font-en: 'Inter', 'Helvetica Neue', sans-serif;
    --font-jp: 'Noto Sans JP', sans-serif;
    --font-v2: 'Inter', -apple-system, BlinkMacSystemFont, 'Noto Sans JP', sans-serif;

    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    /* V2 radius scale (finer) */
    --radius-v2-sm: 6px;
    --radius-v2-md: 10px;
    --radius-v2-lg: 14px;

    --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --duration: 0.25s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-jp), var(--font-en);
    font-weight: 400;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

::selection {
    background: rgba(37, 99, 235, 0.15);
}

/* ---------- Animations ---------- */

.fade-in {
    opacity: 0;
    transform: translateY(12px);
    animation: fadeInUp 0.7s var(--ease-smooth) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .fade-in { animation: none; opacity: 1; transform: none; }
}

/* ---------- Card ---------- */

.card {
    background: var(--bg-card);
    border: 1px solid var(--stroke);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

/* ---------- Buttons ---------- */

.btn-primary {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    width: 100%;
    min-height: 54px;
    padding: 0.95rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--grad-primary);
    color: #FFFFFF;
    font-family: var(--font-jp);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: background 0.3s, transform 0.25s var(--ease-smooth), box-shadow 0.3s var(--ease-smooth), filter 0.25s;
    box-shadow:
        0 1px 2px rgba(30, 58, 138, 0.28),
        0 8px 24px -8px rgba(37, 99, 235, 0.42);
}

.btn-primary:hover:not(:disabled) {
    background: var(--grad-primary-hover);
    transform: translateY(-1px);
    box-shadow:
        0 2px 4px rgba(30, 58, 138, 0.28),
        0 14px 32px -8px rgba(37, 99, 235, 0.55);
    filter: saturate(1.05);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-primary .btn-sub {
    font-size: 0.72rem;
    font-weight: 500;
    opacity: 0.85;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--stroke-strong);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-main);
    font-family: var(--font-jp);
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.25s, border-color 0.25s;
}

.btn-secondary:hover {
    background: var(--bg-subtle);
    border-color: var(--accent-blue-border);
}

/* ============================================================
   Auth (index.html)
   ============================================================ */

/* Mobile-only brand header (Bolto logo + name always at top on smartphones) */
.mobile-brand-header {
    display: none;
}

/* Auth page: soft premium blue scene */
body:has(.auth-layout) {
    background: var(--grad-auth-scene);
    background-attachment: fixed;
}

.auth-layout {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 5.5rem;
    max-width: 1360px;
    margin: 0 auto;
    padding: 7vh 3.5rem 5rem;
    min-height: 100vh;
    align-items: center;
}

/* Brand panel */

.brand-panel {
    padding-right: 1rem;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    margin-bottom: 2.75rem;
}

.vault-logo {
    width: 56px;
    height: 56px;
    filter: drop-shadow(0 10px 24px rgba(37, 99, 235, 0.28));
    transition: transform 0.35s var(--ease-smooth);
}

.brand-logo:hover .vault-logo {
    transform: translateY(-1px) rotate(-2deg);
}

.brand-name {
    font-family: var(--font-en);
    font-size: 2.1rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1;
    background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 50%, #3B82F6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--accent-blue-dark);
}

.brand-tagline {
    display: inline-block;
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent-blue);
    padding: 0.4rem 0.9rem;
    background: var(--accent-blue-soft);
    border: 1px solid var(--accent-blue-border);
    border-radius: 999px;
    margin-bottom: 1.5rem;
}

.brand-title {
    font-size: clamp(2rem, 3.6vw, 3rem);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0.005em;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.brand-title .accent {
    background: linear-gradient(135deg, #2563EB 0%, #1E3A8A 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--accent-blue-dark);
}

.brand-sub {
    color: var(--text-sub);
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 3.25rem;
    max-width: 34rem;
}

.brand-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.85rem;
    max-width: 34rem;
}

.brand-features li {
    display: flex;
    gap: 1.15rem;
    align-items: flex-start;
}

.feature-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    border: 1px solid var(--accent-blue-border);
    background: linear-gradient(135deg, #F0F6FF 0%, #E0EAFF 100%);
    color: var(--accent-blue-dark);
    margin-top: 0.1rem;
    box-shadow: 0 4px 12px -6px rgba(37, 99, 235, 0.35);
}

.brand-features strong {
    display: block;
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.35rem;
    letter-spacing: 0.01em;
}

.brand-features p {
    color: var(--text-sub);
    font-size: 0.9rem;
    line-height: 1.75;
}

/* Auth card */

.auth-card {
    padding: 2.75rem 2.75rem 2rem;
    border: 1px solid rgba(191, 219, 254, 0.6);
    box-shadow: var(--shadow-card-elevated);
    background:
        linear-gradient(180deg, rgba(255,255,255,0.95) 0%, #FFFFFF 100%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.auth-tabs {
    display: flex;
    gap: 0.4rem;
    background: linear-gradient(180deg, #EEF4FF 0%, #F1F5F9 100%);
    border: 1px solid rgba(191, 219, 254, 0.55);
    border-radius: 10px;
    padding: 5px;
    margin-bottom: 2rem;
}

.auth-tab {
    flex: 1;
    min-height: 46px;
    padding: 0.6rem 0.75rem;
    border: none;
    border-radius: 7px;
    background: transparent;
    color: var(--text-sub);
    font-family: var(--font-jp);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: background 0.25s, color 0.25s, box-shadow 0.25s, transform 0.2s;
}

.auth-tab:hover:not(.active) {
    color: var(--accent-blue-dark);
}

.auth-tab.active {
    background: var(--bg-card);
    color: var(--accent-blue-dark);
    font-weight: 700;
    box-shadow:
        0 1px 3px rgba(15, 23, 42, 0.08),
        0 6px 16px -8px rgba(37, 99, 235, 0.28);
}

.form-group {
    margin-bottom: 1.1rem;
}

.form-group.collapsed {
    display: none;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-sub);
    margin-bottom: 0.4rem;
    letter-spacing: 0.03em;
}

.form-group input {
    width: 100%;
    min-height: 48px;
    padding: 0.75rem 1rem;
    border: 1px solid var(--stroke-strong);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-main);
    font-family: var(--font-jp);
    font-size: 16px; /* iOSの自動ズームを防止 */
    transition: border-color 0.25s, box-shadow 0.25s;
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-focus);
}

.form-group input.input-error {
    border-color: #DC2626;
}

/* NDA box */

.nda-box {
    margin: 1.4rem 0 1.25rem;
    padding: 1.1rem 1.2rem;
    border: 1px solid var(--accent-blue-border);
    border-radius: var(--radius-md);
    background: var(--accent-blue-soft);
}

.nda-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue-dark);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.nda-text {
    font-size: 0.8rem;
    line-height: 1.75;
    color: var(--text-sub);
}

.nda-text strong {
    color: var(--accent-blue-dark);
}

.nda-link {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.78rem;
    color: var(--accent-blue);
    text-decoration: none;
    transition: opacity 0.2s;
}

.nda-link:hover {
    opacity: 0.75;
    text-decoration: underline;
}

.auth-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

.auth-footer {
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 1.5rem;
}

/* ---------- Modal ---------- */

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: modalFade 0.25s var(--ease-smooth);
}

.modal-overlay[hidden] {
    display: none;
}

@keyframes modalFade {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.modal-card {
    width: 100%;
    max-width: 620px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: modalRise 0.3s var(--ease-smooth);
}

@keyframes modalRise {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.4rem 1.75rem 1rem;
    border-bottom: 1px solid var(--stroke);
}

.modal-header h2 {
    font-size: 1.05rem;
    font-weight: 700;
}

.modal-close {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-sub);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
}

.modal-close:hover {
    color: var(--text-main);
    background: var(--bg-subtle);
}

.modal-body {
    padding: 1.25rem 1.75rem 1.75rem;
    overflow-y: auto;
    font-size: 0.85rem;
    color: var(--text-sub);
}

.modal-body h3 {
    color: var(--text-main);
    font-size: 0.9rem;
    margin: 1.1rem 0 0.35rem;
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-note {
    margin-top: 1.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================================
   Onboarding (onboarding.html)
   ============================================================ */

.onboarding-layout {
    display: flex;
    justify-content: center;
    padding: 6vh 2rem 4rem;
    min-height: 100vh;
}

.onboarding-container {
    width: 100%;
    max-width: 720px;
}

.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    margin-bottom: 3rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.step {
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--stroke);
    background: var(--bg-card);
    white-space: nowrap;
}

.step.done {
    color: var(--accent-blue);
    border-color: var(--accent-blue-border);
}

.step.active {
    color: #FFFFFF;
    border-color: var(--accent-blue);
    background: var(--accent-blue);
    font-weight: 700;
}

.step-line {
    width: 32px;
    height: 1px;
    background: var(--stroke-strong);
}

.step-line.done {
    background: var(--accent-blue-border);
}

.onboarding-header {
    text-align: center;
    margin-bottom: 2.75rem;
}

.onboarding-header h1 {
    font-size: clamp(1.4rem, 2.6vw, 1.9rem);
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.onboarding-header p {
    color: var(--text-sub);
    font-size: 0.92rem;
}

.goal-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 3rem;
}

.goal-card {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 1.1rem;
    padding: 1.4rem 3.5rem 1.4rem 1.4rem;
    border: 1px solid var(--stroke);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-main);
    font-family: var(--font-jp);
    text-align: left;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.6s var(--ease-smooth) forwards;
}

.goal-card:hover {
    border-color: var(--accent-blue-border);
    box-shadow: var(--shadow-hover);
}

.goal-card.selected {
    border-color: var(--accent-blue);
    background: var(--accent-blue-soft);
    box-shadow: var(--shadow-focus);
}

.goal-card .goal-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent-blue-border);
    background: var(--accent-blue-soft);
    color: var(--accent-blue);
}

.goal-card.selected .goal-icon {
    background: var(--accent-blue);
    color: #FFFFFF;
    border-color: var(--accent-blue);
}

.goal-card .goal-body {
    flex: 1;
    min-width: 0;
}

.goal-card .goal-name {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 0.2rem;
}

.goal-card .goal-desc {
    display: block;
    font-size: 0.82rem;
    color: var(--text-sub);
    line-height: 1.6;
}

.goal-card .goal-check {
    position: absolute;
    top: 50%;
    right: 1.2rem;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1.5px solid var(--stroke-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    color: transparent;
    transition: all 0.25s var(--ease-smooth);
}

.goal-card.selected .goal-check {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #FFFFFF;
}

.onboarding-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.selection-count {
    font-size: 0.82rem;
    color: var(--text-sub);
}

.btn-next {
    max-width: 420px;
    padding: 1rem 2rem;
}

.sp-only {
    display: none;
}

/* ---------- Tutorial (onboarding v2) ---------- */

.tutorial-viewport {
    position: relative;
    margin-bottom: 1.5rem;
    min-height: 380px;
}

.tutorial-slide {
    background: var(--bg-card);
    border: 1px solid var(--stroke);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: 2.4rem 2rem;
    animation: fadeInUp 0.5s var(--ease-smooth);
}

.tutorial-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    border: 1px solid var(--accent-blue-border);
    background: var(--accent-blue-soft);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
}

.tutorial-eyebrow {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--accent-blue);
    font-weight: 700;
    margin-bottom: 0.6rem;
    text-transform: uppercase;
}

.tutorial-title {
    font-size: clamp(1.25rem, 2.4vw, 1.6rem);
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.45;
    margin-bottom: 0.9rem;
}

.tutorial-body {
    color: var(--text-sub);
    font-size: 0.92rem;
    line-height: 1.75;
    margin-bottom: 1.4rem;
}

.tutorial-highlights {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--stroke);
    padding-top: 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.tutorial-highlights li {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    font-size: 0.88rem;
    color: var(--text-main);
    line-height: 1.6;
}

.tutorial-highlights li svg {
    flex-shrink: 0;
    margin-top: 0.15rem;
    color: var(--accent-blue);
}

.tutorial-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tutorial-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    border: none;
    background: var(--stroke-strong);
    padding: 0;
    cursor: pointer;
    transition: background 0.25s, transform 0.25s var(--ease-smooth), width 0.25s;
}

.tutorial-dot:hover {
    background: var(--accent-blue-border);
}

.tutorial-dot.active {
    background: var(--accent-blue);
    width: 22px;
}

.tutorial-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    width: 100%;
}

.tutorial-nav {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.btn-tutorial-next {
    min-width: 160px;
    padding: 0.85rem 1.6rem;
}

.btn-tutorial-next.btn-tutorial-finish {
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.28);
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--text-sub);
    font-family: var(--font-jp);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0.55rem 0.8rem;
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
}

.btn-ghost:hover {
    color: var(--accent-blue);
    background: var(--accent-blue-soft);
}

@media (max-width: 640px) {
    .tutorial-slide {
        padding: 1.8rem 1.3rem;
    }
    .tutorial-actions {
        flex-direction: column-reverse;
        align-items: stretch;
    }
    .tutorial-nav {
        justify-content: space-between;
    }
    .btn-tutorial-next {
        flex: 1;
    }
}

/* ============================================================
   Multi-step Signup (index.html)
   ============================================================ */

.signup-progress {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    list-style: none;
    margin-bottom: 1.75rem;
    position: relative;
}

.sp-step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    flex: 1;
    min-width: 0;
}

.sp-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 13px;
    left: calc(50% + 18px);
    width: calc(100% - 36px);
    height: 2px;
    background: var(--stroke);
    z-index: -1;
    transition: background 0.3s;
}

.sp-step.done:not(:last-child)::after {
    background: var(--accent-blue-border);
}

.sp-dot {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 1.5px solid var(--stroke-strong);
    background: var(--bg-card);
    color: var(--text-muted);
    font-family: var(--font-en);
    font-size: 0.72rem;
    font-weight: 600;
    transition: all 0.3s var(--ease-smooth);
}

.sp-step.active .sp-dot {
    border-color: var(--accent-blue);
    background: var(--accent-blue);
    color: #FFFFFF;
    box-shadow: var(--shadow-focus);
}

.sp-step.done .sp-dot {
    border-color: var(--accent-blue-border);
    background: var(--accent-blue-soft);
    color: var(--accent-blue);
}

.sp-label {
    font-size: 0.62rem;
    color: var(--text-muted);
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.sp-step.active .sp-label {
    color: var(--accent-blue);
    font-weight: 700;
}

.sp-step.done .sp-label {
    color: var(--text-sub);
}

.signup-step {
    animation: fadeInUp 0.45s var(--ease-smooth);
}

.step-title {
    font-size: 1.12rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.step-desc {
    font-size: 0.82rem;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    overflow-wrap: anywhere;
}

.step-desc strong {
    color: var(--accent-blue-dark);
}

.code-input {
    font-family: var(--font-en);
    font-size: 1.4rem !important;
    font-weight: 600;
    letter-spacing: 0.5em;
    text-align: center;
}

.otp-hint {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin: -0.4rem 0 1rem;
}

.step-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.step-link {
    font-size: 0.78rem;
    color: var(--text-sub);
    text-decoration: none;
    padding: 0.35rem 0.25rem;
    transition: color 0.2s;
}

.step-link:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

/* ---------- PWA Install ---------- */

.pwa-container {
    display: none;
    margin-top: 1.5rem;
    text-align: center;
}

.btn-pwa-install {
    width: 100%;
    border: 1px solid var(--stroke-strong);
    background: var(--bg-card);
    color: var(--accent-blue);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-jp);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.2s, border-color 0.2s;
}

.btn-pwa-install:hover {
    background: var(--accent-blue-soft);
    border-color: var(--accent-blue-border);
}

/* ---------- Auth Switch Links ---------- */

.auth-switch {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

.auth-switch a {
    color: var(--accent-blue);
    font-weight: 600;
    text-decoration: none;
}

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

/* ---------- Responsive ---------- */

@media (max-width: 1180px) {
    .auth-layout {
        max-width: 1120px;
        gap: 4rem;
        padding: 6vh 2.5rem 4rem;
    }
    .brand-name { font-size: 1.85rem; }
}

@media (max-width: 900px) {
    .auth-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding-top: 3vh;
        padding-left: 1.75rem;
        padding-right: 1.75rem;
    }

    .brand-panel {
        text-align: center;
        order: 2;
        padding-right: 0;
    }

    .auth-panel {
        order: 1;
    }

    .brand-logo {
        justify-content: center;
    }

    .brand-tagline {
        margin-left: auto;
        margin-right: auto;
    }

    .brand-sub {
        margin-left: auto;
        margin-right: auto;
    }

    .brand-features {
        max-width: 460px;
        margin: 0 auto;
        text-align: left;
    }
}

@media (max-width: 560px) {
    /* Bolto logo & name pinned to the very top of the screen on smartphones */
    .mobile-brand-header {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.6rem;
        width: 100%;
        padding: calc(env(safe-area-inset-top, 0px) + 0.85rem) 1rem 0.85rem;
        background: var(--bg-card);
        border-bottom: 1px solid var(--stroke);
        box-shadow: var(--shadow-soft);
        position: sticky;
        top: 0;
        z-index: 50;
    }

    .mobile-brand-header .vault-logo {
        width: 34px;
        height: 34px;
        filter: drop-shadow(0 4px 10px rgba(37, 99, 235, 0.22));
    }

    .mobile-brand-header .brand-name {
        font-family: var(--font-en);
        font-size: 1.4rem;
        font-weight: 700;
        letter-spacing: 0.06em;
        background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: var(--accent-blue-dark);
    }

    /* Hide the in-panel brand-logo on mobile — the sticky header replaces it */
    .brand-panel .brand-logo {
        display: none;
    }

    .auth-layout {
        padding: 1.25rem 1rem 2rem;
        gap: 1.5rem;
        min-height: auto;
    }

    /* モバイル: フォームを最優先表示 */
    .brand-panel {
        order: 2;
    }

    .auth-panel {
        order: 1;
    }

    /* ブランドを最小限にしてフォームにスペースを譲る */
    .brand-title {
        font-size: 1.4rem;
        line-height: 1.35;
        margin-bottom: 0.75rem;
    }

    .brand-sub {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    .brand-features {
        gap: 1rem;
        margin-top: 0.5rem;
    }

    .brand-features li {
        gap: 0.75rem;
    }

    .feature-icon {
        width: 32px;
        height: 32px;
        border-radius: 6px;
    }

    .feature-icon svg {
        width: 16px;
        height: 16px;
    }

    .brand-features strong {
        font-size: 0.85rem;
    }

    .brand-features p {
        font-size: 0.78rem;
        line-height: 1.5;
    }

    .vault-logo {
        width: 40px;
        height: 40px;
    }

    .brand-name {
        font-size: 1.5rem;
    }

    .brand-tagline {
        font-size: 0.68rem;
        padding: 0.3rem 0.7rem;
        letter-spacing: 0.18em;
        margin-bottom: 0.75rem;
    }

    /* 認証カード最適化 */
    .auth-card {
        padding: 1.5rem 1.25rem 1.25rem;
        border-radius: var(--radius-md);
    }

    .auth-tabs {
        margin-bottom: 1.25rem;
    }

    .auth-tab {
        min-height: 44px;
        font-size: 0.95rem;
    }

    /* フォーム要素のタッチ最適化 */
    .form-group {
        margin-bottom: 1rem;
    }

    .form-group input {
        min-height: 50px;
        font-size: 16px;
        padding: 0.8rem 1rem;
    }

    .btn-primary {
        min-height: 52px;
        font-size: 1rem;
        border-radius: var(--radius-md);
    }

    /* ステップインジケーター最適化 */
    .signup-progress {
        gap: 0;
        margin-bottom: 1.25rem;
    }

    .sp-label {
        font-size: 0.65rem;
    }

    .sp-dot {
        width: 24px;
        height: 24px;
        font-size: 0.7rem;
    }

    /* フッター */
    .auth-footer {
        font-size: 0.7rem;
        padding: 0.5rem;
    }

    .auth-note {
        font-size: 0.75rem;
    }

    .auth-switch {
        font-size: 0.8rem;
        margin-top: 14px;
    }

    /* ステップ5 NDA/規約ボックス */
    .nda-box {
        padding: 0.9rem;
        margin-bottom: 1rem;
    }

    .nda-text {
        font-size: 0.78rem;
    }

    .btn-nda {
        min-height: 56px;
    }

    /* モーダル最適化 */
    .modal-card {
        margin: 0.5rem;
        max-height: 92vh;
    }

    .modal-header {
        padding: 1rem 1.25rem 0.75rem;
    }

    .modal-header h2 {
        font-size: 1rem;
    }

    .modal-body {
        padding: 0.85rem 1.25rem 1.25rem;
        font-size: 0.8rem;
    }

    .onboarding-layout {
        padding: 3vh 1rem 2rem;
    }

    .goal-card {
        padding: 1rem 2.5rem 1rem 1rem;
    }

    .sp-only {
        display: inline;
    }
}

/* ============================================================
   Standard Auth (2-tab Signup/Login) additions
   ============================================================ */

.auth-heading {
    font-family: var(--font-jp);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.35rem;
    letter-spacing: 0.01em;
}

.auth-lead {
    font-size: 0.82rem;
    color: var(--text-sub);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.field-hint {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    line-height: 1.55;
}

/* Password field with visibility toggle */
.password-wrap {
    position: relative;
    display: flex;
    align-items: stretch;
}

.password-wrap input {
    padding-right: 3rem;
}

.password-toggle {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 100%;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s;
    border-top-right-radius: var(--radius-sm);
    border-bottom-right-radius: var(--radius-sm);
}

.password-toggle:hover {
    color: var(--accent-blue);
}

.password-toggle:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: -2px;
}

.password-toggle.is-shown {
    color: var(--accent-blue);
}

/* Consent checkbox row */
.consent-row {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.75rem 0.85rem;
    margin: 0.25rem 0 1.1rem;
    background: var(--bg-subtle);
    border: 1px solid var(--stroke);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--text-sub);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.consent-row:hover {
    border-color: var(--accent-blue-border);
    background: var(--accent-blue-soft);
}

.consent-row input[type="checkbox"] {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.consent-row a {
    color: var(--accent-blue);
    font-weight: 600;
    text-decoration: none;
}

.consent-row a:hover {
    text-decoration: underline;
}

/* Inline alert (error / info / success) */
.auth-alert {
    padding: 0.75rem 0.95rem;
    margin-bottom: 1.1rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    line-height: 1.55;
    border: 1px solid transparent;
    animation: authAlertIn 0.25s var(--ease-smooth);
}

.auth-alert-error {
    background: #FEF2F2;
    border-color: #FCA5A5;
    color: #991B1B;
}

.auth-alert-info {
    background: var(--accent-blue-soft);
    border-color: var(--accent-blue-border);
    color: var(--accent-blue-dark);
}

.auth-alert-success {
    background: #ECFDF5;
    border-color: #6EE7B7;
    color: #065F46;
}

@keyframes authAlertIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Loading state on primary button */
.btn-primary.is-loading {
    position: relative;
    color: rgba(255, 255, 255, 0.85);
}

.btn-primary.is-loading .btn-label::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 8px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #FFFFFF;
    border-radius: 50%;
    vertical-align: -2px;
    animation: btnSpin 0.7s linear infinite;
}

@keyframes btnSpin {
    to { transform: rotate(360deg); }
}

@media (max-width: 560px) {
    .auth-heading { font-size: 1.05rem; }
    .auth-lead { font-size: 0.78rem; margin-bottom: 1rem; }
    .consent-row { font-size: 0.78rem; }
}

/* ============================================================
   Multi-step Signup Flow (index.html)
   ============================================================ */

/* Required marker */
.required {
    color: #DC2626;
    font-weight: 700;
    margin-left: 2px;
}

/* Step action row (Back / Next) */
.step-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.step-actions .btn-secondary {
    flex: 0 0 auto;
    min-width: 96px;
    min-height: 52px;
}

.step-actions .btn-primary {
    flex: 1 1 auto;
    width: auto;
}

.btn-step-back {
    background: var(--bg-card);
    color: var(--text-sub);
    border-color: var(--stroke-strong);
}

.btn-step-back:hover {
    background: var(--bg-subtle);
    color: var(--text-main);
    border-color: var(--accent-blue-border);
}

/* Entity toggle (法人 / 個人) */
.entity-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
    padding: 4px;
    margin-bottom: 1.25rem;
    background: var(--bg-subtle);
    border-radius: var(--radius-sm);
}

.entity-tab {
    min-height: 44px;
    padding: 0.6rem 0.75rem;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-sub);
    font-family: var(--font-jp);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.25s, color 0.25s, box-shadow 0.25s;
}

.entity-tab.active {
    background: var(--bg-card);
    color: var(--accent-blue);
    font-weight: 700;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.entity-tab:hover:not(.active) {
    color: var(--text-main);
}

.entity-panel {
    animation: fadeInUp 0.4s var(--ease-smooth);
}

/* ID document choices */
.id-doc-choices {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.55rem;
}

.id-doc-choice {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.75rem 0.9rem 0.75rem 2.5rem;
    border: 1px solid var(--stroke-strong);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.id-doc-choice:hover {
    border-color: var(--accent-blue-border);
    background: var(--accent-blue-soft);
}

.id-doc-choice input[type="radio"] {
    position: absolute;
    top: 50%;
    left: 0.85rem;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    accent-color: var(--accent-blue);
    margin: 0;
}

.id-doc-choice:has(input:checked) {
    border-color: var(--accent-blue);
    background: var(--accent-blue-soft);
    box-shadow: var(--shadow-focus);
}

.id-doc-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.4;
}

.id-doc-desc {
    font-size: 0.75rem;
    color: var(--text-sub);
    line-height: 1.5;
}

/* SMS OTP row */
.otp-row {
    display: flex;
    align-items: stretch;
    gap: 0.5rem;
}

.otp-row .code-input {
    flex: 1;
    min-height: 50px;
    letter-spacing: 0.35em;
    padding-left: 1rem;
    padding-right: 1rem;
}

.btn-send-otp {
    flex: 0 0 auto;
    min-height: 50px;
    min-width: 84px;
    padding: 0 1rem;
    font-weight: 600;
    color: var(--accent-blue);
    border-color: var(--accent-blue-border);
    background: var(--accent-blue-soft);
}

.btn-send-otp:hover {
    background: var(--accent-blue);
    color: #FFFFFF;
    border-color: var(--accent-blue);
}

.btn-send-otp.is-sent {
    color: var(--text-sub);
    background: var(--bg-card);
}

/* Terms scrollbox (strict scroll-to-agree) */
.terms-scrollbox {
    max-height: 260px;
    overflow-y: auto;
    padding: 1.1rem 1.2rem;
    margin-bottom: 0.75rem;
    border: 1px solid var(--stroke-strong);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    font-size: 0.82rem;
    line-height: 1.75;
    color: var(--text-sub);
    scroll-behavior: smooth;
    scrollbar-color: var(--stroke-strong) transparent;
    scrollbar-width: thin;
}

.terms-scrollbox:focus-visible {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-focus);
}

.terms-scrollbox::-webkit-scrollbar {
    width: 8px;
}

.terms-scrollbox::-webkit-scrollbar-thumb {
    background: var(--stroke-strong);
    border-radius: 4px;
}

.terms-scrollbox h3 {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 0.6rem;
}

.terms-scrollbox h4 {
    font-size: 0.85rem;
    color: var(--text-main);
    margin-top: 1rem;
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.terms-scrollbox p {
    margin-bottom: 0.55rem;
}

.terms-scrollbox p:last-child {
    margin-bottom: 0;
}

.terms-scrollbox strong {
    color: var(--accent-blue-dark);
}

.terms-warn {
    background: rgba(220, 38, 38, 0.05);
    border-left: 3px solid #DC2626;
    padding: 10px 12px;
    margin: 12px 0;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-sub);
}

.terms-warn strong {
    color: #DC2626;
}

.terms-end {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

/* Terms status indicator */
.terms-status {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.6rem 0.85rem;
    margin-bottom: 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--bg-subtle);
    border: 1px solid var(--stroke);
    font-size: 0.78rem;
    color: var(--text-sub);
    transition: background 0.3s, border-color 0.3s, color 0.3s;
}

.terms-status .status-dot {
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--stroke-strong);
    box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.18);
    transition: background 0.3s, box-shadow 0.3s;
}

.terms-status.ready {
    background: #ECFDF5;
    border-color: #6EE7B7;
    color: #065F46;
}

.terms-status.ready .status-dot {
    background: #10B981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

/* Strict consent row */
.consent-row-strict {
    background: var(--bg-card);
    border: 1.5px dashed var(--stroke-strong);
    cursor: not-allowed;
    opacity: 0.7;
    transition: opacity 0.3s, border-color 0.3s, background 0.3s;
}

.consent-row-strict:has(input:not(:disabled)) {
    cursor: pointer;
    opacity: 1;
    border-style: solid;
    border-color: var(--accent-blue-border);
    background: var(--accent-blue-soft);
}

.consent-row-strict:has(input:checked) {
    border-color: var(--accent-blue);
    background: var(--accent-blue-soft);
}

.consent-row-strict input[type="checkbox"]:disabled {
    cursor: not-allowed;
}

/* Mobile tweaks for new signup UI */
@media (max-width: 560px) {
    .entity-tab { font-size: 0.85rem; }
    .id-doc-title { font-size: 0.85rem; }
    .id-doc-desc { font-size: 0.72rem; }
    .terms-scrollbox { max-height: 220px; font-size: 0.78rem; padding: 0.9rem 1rem; }
    .terms-scrollbox h3 { font-size: 0.9rem; }
    .terms-scrollbox h4 { font-size: 0.82rem; }
    .step-actions .btn-secondary { min-width: 78px; padding: 0.65rem 0.9rem; }
    .otp-row .code-input { font-size: 1.1rem !important; letter-spacing: 0.25em; }
}

/* ============================================================
   Speed-first Signup: Terms Row & Terms Modal
   ============================================================ */

.signup-terms-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 0.95rem;
    background: var(--accent-blue-soft);
    border: 1px solid var(--accent-blue-border);
    border-radius: 10px;
    font-size: 0.83rem;
    color: var(--accent-blue-dark);
    margin-bottom: 0.9rem;
    transition: background 0.25s, border-color 0.25s, color 0.25s;
    line-height: 1.55;
}

.signup-terms-row.agreed {
    background: #ECFDF5;
    border-color: #A7F3D0;
    color: #065F46;
}

.signup-terms-row .terms-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent-blue);
    flex-shrink: 0;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

.signup-terms-row.agreed .terms-dot {
    background: #10B981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.signup-terms-row .terms-status-label {
    flex: 1;
    min-width: 0;
}

.signup-terms-row a {
    color: var(--accent-blue-dark);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.signup-terms-row.agreed a {
    color: #065F46;
}

.btn-open-account {
    width: 100%;
    padding: 0.95rem 1rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    border-radius: 12px;
    margin-bottom: 0.9rem;
}

.btn-open-account:disabled {
    background: #CBD5E1;
    color: #FFFFFF;
    box-shadow: none;
    cursor: not-allowed;
}

/* Terms Modal ------------------------------------------------------ */

.terms-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    z-index: 999;
    animation: termsOverlayFade 0.18s ease-out;
}

.terms-modal-overlay[hidden] {
    display: none !important;
}

@keyframes termsOverlayFade {
    from { opacity: 0; }
    to { opacity: 1; }
}

.terms-modal-card {
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 24px 60px -20px rgba(15, 23, 42, 0.4);
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    animation: termsCardPop 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes termsCardPop {
    from { transform: scale(0.96) translateY(6px); opacity: 0; }
    to   { transform: scale(1) translateY(0); opacity: 1; }
}

.terms-modal-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.4rem;
}

.terms-modal-head h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0F172A;
    margin: 0;
    letter-spacing: 0.01em;
}

.terms-modal-close {
    background: none;
    border: none;
    font-size: 1.6rem;
    line-height: 1;
    color: #94A3B8;
    cursor: pointer;
    padding: 0.15rem 0.5rem;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.terms-modal-close:hover {
    background: #F1F5F9;
    color: #0F172A;
}

.terms-modal-lead {
    font-size: 0.85rem;
    color: #475569;
    margin: 0 0 0.9rem;
}

.terms-modal-card .terms-scrollbox {
    max-height: 46vh;
    min-height: 200px;
    margin-bottom: 0.85rem;
}

.terms-modal-confirm {
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
}

.terms-modal-confirm:disabled {
    background: #CBD5E1;
    color: #FFFFFF;
    box-shadow: none;
    cursor: not-allowed;
}

@media (max-width: 560px) {
    .terms-modal-card {
        padding: 1.15rem;
        max-height: 94vh;
        border-radius: 14px;
    }
    .terms-modal-head h2 { font-size: 1rem; }
    .terms-modal-card .terms-scrollbox { max-height: 50vh; min-height: 180px; }
    .signup-terms-row { font-size: 0.78rem; padding: 0.65rem 0.8rem; }
    .btn-open-account { font-size: 0.95rem; padding: 0.85rem 1rem; }
}

/* ===========================================================
   Signup — "Email link sent" confirmation view
   =========================================================== */
#signup-sent-view {
    text-align: center;
    padding: 0.5rem 0 0;
    animation: sentFadeIn 0.28s ease-out;
}

@keyframes sentFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.signup-sent-icon {
    color: #2563EB;
    background: linear-gradient(135deg, #EEF4FF 0%, #E0EAFF 100%);
    width: 88px;
    height: 88px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    box-shadow: 0 8px 24px -10px rgba(37, 99, 235, 0.35);
}

#signup-sent-view .auth-heading {
    margin-bottom: 0.4rem;
}

#signup-sent-view .auth-lead {
    margin-bottom: 1.2rem;
}

#signup-sent-view #signup-sent-email {
    color: #1E3A8A;
    letter-spacing: 0.01em;
    word-break: break-all;
}

.signup-sent-demo {
    background: linear-gradient(135deg, #F0F6FF 0%, #E0EAFF 100%);
    border: 1px dashed var(--accent-blue-border);
    border-radius: 12px;
    padding: 1rem 1.1rem;
    margin: 0 0 1rem;
    text-align: left;
}

.signup-sent-demo-label {
    display: inline-block;
    background: var(--grad-primary);
    color: #FFFFFF;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    margin-bottom: 0.45rem;
    box-shadow: 0 4px 12px -6px rgba(37, 99, 235, 0.5);
}

.signup-sent-demo p {
    font-size: 0.82rem;
    color: var(--accent-blue-dark);
    margin: 0 0 0.75rem;
    line-height: 1.6;
}

/* ===========================================================
   Signup — Information registration modal
   =========================================================== */
.signup-modal-card {
    max-width: 600px;
    padding: 1.4rem 1.4rem 1.1rem;
}

.signup-modal-scroll {
    max-height: 62vh;
    overflow-y: auto;
    padding-right: 0.4rem;
    margin: 0.4rem -0.4rem 0.9rem 0;
}

.signup-modal-section {
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 0.95rem 1rem 0.85rem;
    margin-bottom: 0.85rem;
    background: #FFFFFF;
}

.signup-modal-required {
    background: linear-gradient(135deg, #F8FAFF 0%, #FFFFFF 100%);
    border-color: #C7D9FF;
}

.signup-modal-optional {
    background: linear-gradient(135deg, #F5FAFF 0%, #FFFFFF 100%);
    border-color: #C7DBFF;
}

.signup-modal-section-head {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.7rem;
}

.signup-modal-section-head strong {
    font-size: 0.95rem;
    color: #0F172A;
    letter-spacing: 0.01em;
}

.signup-modal-badge {
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    text-transform: uppercase;
}

.required-badge {
    background: #DBEAFE;
    color: #1E3A8A;
}

.optional-badge {
    background: #E0EAFF;
    color: var(--accent-blue-dark);
}

.signup-modal-optional-lead {
    font-size: 0.78rem;
    color: #6B7280;
    margin: 0 0 0.75rem;
    line-height: 1.55;
}

.signup-bonus-item {
    border: 1px solid #E0EAFF;
    background: #FFFFFF;
    border-radius: 10px;
    padding: 0.7rem 0.85rem;
    margin-bottom: 0.6rem;
}

.signup-bonus-item:last-child {
    margin-bottom: 0;
}

.signup-bonus-head {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.5rem;
}

.signup-bonus-emoji {
    font-size: 1.35rem;
    line-height: 1;
    flex-shrink: 0;
}

.signup-bonus-titles {
    flex: 1;
    min-width: 0;
}

.signup-bonus-titles strong {
    display: block;
    font-size: 0.85rem;
    color: #0F172A;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.signup-bonus-titles em {
    display: block;
    font-style: normal;
    font-size: 0.72rem;
    color: #64748B;
    margin-top: 0.1rem;
    line-height: 1.4;
}

.signup-bonus-reward {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #FFFFFF;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    white-space: nowrap;
    box-shadow: 0 2px 6px -2px rgba(16, 185, 129, 0.4);
}

.signup-bonus-input {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    background: #FFFFFF;
    color: #0F172A;
    font-size: 0.88rem;
    font-family: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.signup-bonus-input:focus {
    outline: none;
    border-color: #2563EB;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.signup-bonus-toggle {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.82rem;
    color: #334155;
    cursor: pointer;
    padding: 0.35rem 0;
}

.signup-bonus-toggle input {
    accent-color: #2563EB;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.signup-modal-footer {
    display: flex;
    gap: 0.6rem;
    align-items: stretch;
    padding-top: 0.5rem;
    border-top: 1px solid #F1F5F9;
}

.signup-modal-footer .btn-secondary,
.signup-modal-footer .btn-primary {
    flex: 1;
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: 10px;
}

.signup-modal-footer .btn-primary {
    flex: 1.35;
}

@media (max-width: 560px) {
    .signup-modal-card {
        padding: 1.15rem;
    }
    .signup-modal-scroll { max-height: 58vh; }
    .signup-modal-footer { flex-direction: column; gap: 0.5rem; }
    .signup-modal-footer .btn-primary,
    .signup-modal-footer .btn-secondary { flex: 1; }
    .signup-sent-icon { width: 72px; height: 72px; }
    .signup-sent-icon svg { width: 44px; height: 44px; }
}