/* ═══════════════════════════════════════════════
   RESULTS — Slide-over panel (new strategy form)
   ═══════════════════════════════════════════════ */
.so-overlay {
    position: fixed; inset: 0;
    background: rgba(5,28,44,0.4);
    z-index: var(--z-overlay); opacity: 0; pointer-events: none;
    transition: opacity 0.35s var(--ease);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.so-overlay.open { opacity: 1; pointer-events: auto; }

.so-panel {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 500px; max-width: 100vw;
    background: var(--white);
    z-index: var(--z-modal);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-transform);
    display: flex; flex-direction: column;
    box-shadow: -8px 0 40px rgba(5,28,44,0.12), -2px 0 8px rgba(0,0,0,0.04);
    border-left: 1px solid rgba(0,0,0,0.06);
}
.so-panel.open { transform: translateX(0); }

/* Header */
.so-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 28px 32px 20px;
    background: linear-gradient(180deg, var(--warm-soft) 0%, var(--white) 100%);
    border-bottom: 1px solid var(--border);
}
.so-header-label {
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--teal); margin: 0 0 6px;
}
.so-title {
    font-family: var(--serif); font-size: 24px; font-weight: 700; color: var(--navy);
    margin: 0;
}
.so-close {
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border); background: var(--white); color: var(--ink-3);
    cursor: pointer; transition: background 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
    box-shadow: var(--shadow-sm);
}
.so-close:hover {
    background: var(--warm); color: var(--ink);
    box-shadow: var(--shadow-md); transform: rotate(90deg);
}

/* Steps indicator */
.so-steps {
    display: flex; align-items: center; justify-content: center;
    gap: 0; padding: 24px 32px 20px;
}
.so-step {
    display: flex; align-items: center; gap: 8px;
    opacity: 0.3; transition: opacity 0.35s var(--ease);
}
.so-step.active { opacity: 1; }
.so-step.done { opacity: 0.8; }
.so-step-num {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--warm-2); color: var(--ink-3);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700;
    transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
    position: relative;
}
.so-step-check { display: none; }
.so-step-digit { display: inline; }
.so-step.active .so-step-num {
    background: var(--navy); color: var(--white);
    box-shadow: 0 2px 8px rgba(5,28,44,0.3);
}
.so-step.done .so-step-num { background: var(--teal); color: var(--white); }
.so-step.done .so-step-check { display: inline; }
.so-step.done .so-step-digit { display: none; }
.so-step-label { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.so-step.active .so-step-label { color: var(--navy); }
.so-step-line {
    width: 40px; height: 2px; background: var(--border); margin: 0 12px;
    border-radius: 2px; overflow: hidden; position: relative;
}
.so-step-line > span {
    display: block; width: 0; height: 100%;
    background: var(--teal); border-radius: 2px;
    transition: width 0.5s var(--ease);
}
.so-step.done + .so-step-line > span { width: 100%; }

/* Body / pages */
.so-body {
    flex: 1; overflow-y: auto; padding: 0 32px 24px;
    scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.so-body::-webkit-scrollbar { width: 4px; }
.so-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.so-page { display: none; }
.so-page.active { display: block; animation: soFadeIn 0.3s var(--ease); }
@keyframes soFadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.so-page-header { margin: 24px 0 20px; }
.so-page-title { font-size: 16px; font-weight: 700; color: var(--ink); margin: 0 0 4px; }
.so-page-hint { font-size: 13px; color: var(--ink-3); }

/* Step 1: Strategy cards — list layout */
.so-strategy-grid {
    display: flex; flex-direction: column; gap: 10px;
}
.so-strat-card {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 18px; border-radius: 14px;
    border: 1.5px solid var(--border); cursor: pointer;
    transition: background 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
    background: var(--white);
}
.so-strat-card:hover {
    border-color: var(--ink-4); background: var(--warm-soft);
    box-shadow: var(--shadow-sm);
}
.so-strat-card.selected {
    border-color: var(--navy); background: rgba(5,28,44,0.02);
    box-shadow: 0 0 0 1px var(--navy), var(--shadow-md);
}
.so-strat-icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: var(--warm); color: var(--ink-3);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.so-strat-card.selected .so-strat-icon {
    background: rgba(5,28,44,0.06); color: var(--navy);
}
.so-strat-body { flex: 1; min-width: 0; text-align: left; }
.so-strat-name { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 2px; }
.so-strat-desc { font-size: 12px; color: var(--ink-3); line-height: 1.4; }
.so-strat-radio {
    width: 18px; height: 18px; border-radius: 50%;
    border: 2px solid var(--border); flex-shrink: 0;
    position: relative; transition: border-color 0.2s var(--ease);
}
.so-strat-card.selected .so-strat-radio {
    border-color: var(--navy);
}
.so-strat-card.selected .so-strat-radio::after {
    content: ''; position: absolute; inset: 3px;
    border-radius: 50%; background: var(--navy);
}

/* Info button on strategy cards */
.so-strat-info {
    width: 24px; height: 24px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
    color: var(--ink-4);
    transition: all 0.2s var(--ease);
}
.so-strat-info:hover {
    border-color: var(--teal);
    color: var(--teal);
    background: rgba(0,191,179,0.06);
}

/* Strategy info modal */
.strat-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(5,28,44,0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s var(--ease);
}
.strat-modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}
.strat-modal {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 24px 80px rgba(5,28,44,0.2), 0 8px 24px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    position: relative;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s var(--ease);
    overflow: hidden;
}
.strat-modal-overlay.open .strat-modal {
    transform: translateY(0) scale(1);
}
.strat-modal-close {
    position: absolute;
    top: 16px; right: 16px;
    width: 36px; height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--ink-3);
    transition: all 0.2s;
    z-index: 1;
}
.strat-modal-close:hover {
    background: var(--warm);
    color: var(--ink);
    border-color: var(--ink-4);
}
.strat-modal-body {
    padding: 32px 28px 28px;
    overflow-y: auto;
}
.strat-modal-body .sm-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}
.strat-modal-body .sm-icon {
    width: 48px; height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.strat-modal-body .sm-icon svg { width: 22px; height: 22px; }
.sm-icon--passive { background: var(--green-soft); color: var(--green); }
.sm-icon--active { background: var(--blue-soft); color: var(--blue); }
.sm-icon--technical { background: var(--amber-soft); color: var(--amber); }
.strat-modal-body .sm-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 3px;
}
.strat-modal-body .sm-badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.sm-badge--passive { background: var(--green-soft); color: var(--green); }
.sm-badge--active { background: var(--blue-soft); color: var(--blue); }
.sm-badge--technical { background: var(--amber-soft); color: var(--amber); }
.strat-modal-body .sm-text {
    font-size: 14px;
    color: var(--ink-3);
    line-height: 1.7;
    margin-bottom: 20px;
}
.strat-modal-body .sm-detail {
    padding: 10px 0;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
}
.strat-modal-body .sm-detail-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-4);
    flex-shrink: 0;
    min-width: 85px;
    padding-top: 1px;
}
.strat-modal-body .sm-detail-value {
    font-size: 13px;
    color: var(--ink-2);
    line-height: 1.55;
}
.sm-formula {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--navy);
    font-weight: 600;
    background: var(--warm);
    padding: 4px 10px;
    border-radius: 6px;
    display: inline-block;
}

/* Modal footer */
.strat-modal-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 28px;
    border-top: 1px solid var(--border);
    background: var(--warm);
}
.strat-modal-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    background: var(--navy);
    color: var(--white);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(5,28,44,0.12);
    transition: all 0.2s var(--ease);
}
.strat-modal-cta:hover {
    background: var(--navy-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(5,28,44,0.18);
}

/* Step 2: Portfolio allocation */
.so-alloc-bar-wrap {
    background: var(--warm); border-radius: 10px; height: 10px;
    overflow: hidden; margin-bottom: 20px;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.06);
}
.so-alloc-bar { display: flex; height: 100%; transition: background 0.3s var(--ease); }
.so-alloc-seg { height: 100%; transition: width 0.3s var(--ease); min-width: 2px; }

.so-assets-list { display: flex; flex-direction: column; gap: 8px; }
.so-asset-row {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; border-radius: 14px;
    background: var(--white); border: 1.5px solid var(--border);
    transition: background 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.so-asset-row:hover { box-shadow: var(--shadow-sm); }
.so-asset-row.active {
    border-color: var(--teal); background: rgba(0,191,179,0.03);
    box-shadow: 0 0 0 1px var(--teal), var(--shadow-sm);
}
.so-asset-check {
    width: 20px; height: 20px; border-radius: 6px;
    border: 2px solid var(--ink-4); background: var(--white);
    cursor: pointer; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
    transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.so-asset-check:hover { border-color: var(--teal); }
.so-asset-check.checked { background: var(--teal); border-color: var(--teal); box-shadow: 0 2px 6px rgba(0,191,179,0.3); }
.so-asset-check.checked::after { content: ''; display: block; width: 6px; height: 10px; border: solid var(--white); border-width: 0 2px 2px 0; transform: rotate(45deg) translate(-1px, -1px); }
.so-asset-info { flex: 1; min-width: 0; }
.so-asset-name { font-size: 14px; font-weight: 600; color: var(--ink); }
.so-asset-ticker { font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.so-asset-weight-wrap {
    width: 140px; flex-shrink: 0;
    display: flex; align-items: center; gap: 8px;
}
.so-asset-slider {
    flex: 1; min-width: 0; -webkit-appearance: none; appearance: none;
    height: 4px; border-radius: 2px; background: var(--warm-2);
    outline: none; transition: opacity 0.2s var(--ease);
}
.so-asset-slider:disabled { opacity: 0.3; cursor: not-allowed; }
.so-asset-slider::-webkit-slider-thumb {
    -webkit-appearance: none; width: 16px; height: 16px;
    border-radius: 50%; background: var(--navy); cursor: pointer;
    border: 2px solid var(--white); box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
.so-asset-slider:disabled::-webkit-slider-thumb { cursor: not-allowed; background: var(--ink-4); }
.so-asset-pct {
    font-size: 13px; font-weight: 700; color: var(--ink);
    width: 38px; flex-shrink: 0; text-align: right;
    font-variant-numeric: tabular-nums;
}

.so-loading-assets {
    display: flex; flex-direction: column; align-items: center; gap: 12px;
    padding: 48px 0; color: var(--ink-4); font-size: 13px;
}
.so-loading-spinner {
    width: 24px; height: 24px;
    border: 2px solid var(--border); border-top-color: var(--teal);
    border-radius: 50%; animation: soSpin 0.7s linear infinite;
}

/* ── Search input ── */
.so-search-wrap {
    position: relative; margin-bottom: 16px;
}
.so-search-input {
    width: 100%; padding: 12px 16px; border-radius: 12px;
    border: 1.5px solid var(--border); background: var(--white);
    font-size: 14px; color: var(--ink); outline: none;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
    box-sizing: border-box;
}
.so-search-input::placeholder { color: var(--ink-4); }
.so-search-input:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(0,191,179,0.12);
}

/* ── Autocomplete dropdown ── */
.so-autocomplete {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); border: 1px solid var(--border);
    border-radius: 12px; box-shadow: var(--shadow-lg);
    max-height: 340px; overflow-y: auto; z-index: var(--z-dropdown);
    display: none; margin-top: 4px;
}
.so-autocomplete.visible { display: block; }

/* ── Filter pills ── */
.so-ac-filters {
    display: flex; gap: 6px; padding: 10px 16px 6px;
    border-bottom: 1px solid var(--border, #e5e5e5);
    position: sticky; top: 0; background: var(--white); z-index: 1;
    flex-wrap: wrap;
}
.so-ac-filter-pill {
    padding: 4px 12px; border-radius: 20px;
    font-size: 11px; font-weight: 600; letter-spacing: .01em;
    border: 1px solid var(--border, #e5e5e5);
    background: transparent; color: var(--ink-3, #666);
    cursor: pointer; transition: all .15s var(--ease);
    white-space: nowrap;
}
.so-ac-filter-pill:hover {
    border-color: var(--teal, #00bfb3); color: var(--teal, #00bfb3);
}
.so-ac-filter-pill.active {
    background: var(--navy, #051C2C); color: #fff;
    border-color: var(--navy, #051C2C);
}

.so-ac-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; cursor: pointer;
    transition: background 0.15s var(--ease);
}
.so-ac-item:hover { background: var(--warm); }
.so-ac-item.disabled { opacity: 0.4; cursor: default; }
.so-ac-item.disabled:hover { background: transparent; }
.so-ac-symbol { font-weight: 700; font-size: 14px; color: var(--ink); min-width: 70px; }
.so-ac-name { flex: 1; font-size: 13px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.so-ac-exchange { font-size: 11px; color: var(--ink-4); background: var(--warm, #f5f3ef); padding: 1px 6px; border-radius: 4px; white-space: nowrap; }
.so-ac-type { font-size: 11px; color: var(--ink-4); text-transform: uppercase; letter-spacing: 0.02em; }
.so-ac-badge {
    font-size: 10px; font-weight: 600; color: var(--teal);
    background: rgba(0,191,179,0.08); padding: 2px 6px; border-radius: 6px;
}
.so-ac-empty { padding: 20px 16px; text-align: center; color: var(--ink-4); font-size: 13px; }

/* ── Popular chips ── */
.so-popular-chips {
    display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px;
}
.so-popular-chip {
    padding: 6px 14px; border-radius: 20px;
    border: 1.5px solid var(--border); background: var(--white);
    font-size: 12px; font-weight: 600; color: var(--ink-2);
    cursor: pointer; transition: all 0.2s var(--ease);
}
.so-popular-chip:hover {
    border-color: var(--teal); color: var(--teal); background: rgba(0,191,179,0.04);
}
.so-popular-chip.selected {
    border-color: var(--teal); background: rgba(0,191,179,0.08); color: var(--teal);
    cursor: default;
}

/* ── Dynamic portfolio rows ── */
.so-portfolio-list { display: flex; flex-direction: column; gap: 8px; }
.so-portfolio-empty {
    text-align: center; padding: 40px 16px; color: var(--ink-4);
    font-size: 13px; line-height: 1.5;
}
.so-portfolio-row {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; border-radius: 14px;
    background: var(--white); border: 1.5px solid var(--teal);
    box-shadow: 0 0 0 1px rgba(0,191,179,0.1), var(--shadow-sm);
    transition: box-shadow 0.2s var(--ease);
}
.so-portfolio-row:hover { box-shadow: var(--shadow-md); }
.so-portfolio-color {
    width: 10px; height: 36px; border-radius: 5px; flex-shrink: 0;
}
.so-portfolio-info { flex: 1; min-width: 0; }
.so-portfolio-ticker { font-size: 14px; font-weight: 700; color: var(--ink); }
.so-portfolio-name { font-size: 12px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.so-portfolio-weight-wrap {
    width: 140px; flex-shrink: 0;
    display: flex; align-items: center; gap: 8px;
}
.so-portfolio-remove {
    width: 28px; height: 28px; border-radius: 8px;
    border: none; background: var(--warm);
    color: var(--ink-3); font-size: 18px; font-weight: 400;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: background 0.2s var(--ease), color 0.2s var(--ease);
    flex-shrink: 0; line-height: 1;
}
.so-portfolio-remove:hover { background: rgba(220,38,38,0.08); color: var(--red); }

/* ── Data coverage banner ── */
.so-coverage {
    margin-top: 4px;
    margin-bottom: 16px;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--warm-soft);
    border: 1px solid var(--border);
    transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.so-coverage.has-ok {
    background: rgba(16, 185, 129, 0.05);
    border-color: rgba(16, 185, 129, 0.2);
}
.so-coverage.has-warning {
    background: rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.2);
}
.so-coverage-header {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--ink-3);
    margin-bottom: 4px;
}
.so-coverage.has-ok .so-coverage-header { color: #047857; }
.so-coverage.has-warning .so-coverage-header { color: #b45309; }
.so-coverage-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.so-coverage-range {
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-2);
    font-variant-numeric: tabular-nums;
    line-height: 1.5;
}
.so-coverage-range strong {
    font-weight: 700;
    color: var(--ink);
}
.so-coverage.has-ok .so-coverage-range strong { color: #047857; }
.so-coverage.has-warning .so-coverage-range strong { color: #b45309; }
.so-coverage-bottleneck {
    margin-top: 4px;
    font-size: 12px;
    color: #92400e;
    line-height: 1.4;
}
.so-coverage-bottleneck .so-bottleneck-ticker {
    font-weight: 700;
}

/* Step 3: Parameters */
/* Date adjustment notice */
.so-date-notice {
    display: flex; align-items: flex-start; gap: 10px;
    margin-top: 12px; padding: 12px 16px; border-radius: 12px;
    font-size: 13px; line-height: 1.55; color: var(--ink-2);
    background: rgba(217,119,6,0.06); border: 1px solid rgba(217,119,6,0.18);
}
.so-date-notice.is-hidden { display: none; }
.so-date-notice svg { color: #b45309; }
.so-date-notice strong { color: var(--ink); }
.so-date-notice-link {
    color: #b45309; font-weight: 600; text-decoration: underline;
    cursor: pointer;
}
.so-date-notice-link:hover { color: var(--red); }

.so-field-group {
    margin-bottom: 24px; padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}
.so-field-group:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.so-field-group-label {
    font-size: 11px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.08em; color: var(--ink-3); margin-bottom: 14px;
}
.so-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.so-field { margin-bottom: 14px; }
.so-field:last-child { margin-bottom: 0; }
.so-label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.so-input-wrap { position: relative; }
.so-input-prefix {
    position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
    font-size: 13px; font-weight: 600; color: var(--ink-4);
    pointer-events: none;
}
.so-input {
    width: 100%; padding: 11px 14px; border-radius: 10px;
    border: 1.5px solid var(--border); background: var(--warm-soft);
    font-family: var(--sans); font-size: 14px; color: var(--ink);
    font-variant-numeric: tabular-nums;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
    outline: none;
}
.so-input-prefixed { padding-left: 34px; }
.so-input:hover { border-color: var(--ink-4); }
.so-input:focus {
    border-color: var(--navy); background: var(--white);
    box-shadow: 0 0 0 3px rgba(5,28,44,0.06);
}

/* Footer */
.so-footer {
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 32px 22px;
    border-top: 1px solid var(--border);
    background: linear-gradient(0deg, var(--warm-soft) 0%, var(--white) 100%);
}
.so-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 11px 24px; border-radius: 10px; font-size: 14px;
    font-weight: 700; font-family: var(--sans); cursor: pointer;
    border: none; transition: background 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}
.so-btn:active { transform: scale(0.97); }
.so-btn-ghost {
    background: var(--white); color: var(--ink-2);
    border: 1px solid var(--border);
}
.so-btn-ghost:hover { background: var(--warm); border-color: var(--ink-4); }
.so-btn-solid {
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    color: var(--white);
    box-shadow: 0 2px 10px rgba(5,28,44,0.25);
}
.so-btn-solid:hover {
    box-shadow: 0 4px 16px rgba(5,28,44,0.35);
    transform: translateY(-1px);
}
.so-btn-solid:active { transform: translateY(0) scale(0.98); }
.so-btn-solid:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }
.so-btn-arrow { transition: transform 0.2s var(--ease); }
.so-btn-solid:hover .so-btn-arrow { transform: translateX(2px); }
.so-btn-solid.loading {
    pointer-events: none; position: relative; color: transparent;
}
.so-btn-solid.loading .so-btn-arrow { display: none; }
.so-btn-solid.loading::after {
    content: ''; position: absolute; inset: 0; margin: auto;
    width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--white); border-radius: 50%;
    animation: soSpin 0.6s linear infinite;
}
@keyframes soSpin { to { transform: rotate(360deg); } }

/* Error */
.so-error {
    padding: 12px 32px; background: var(--red-soft);
    color: var(--red); font-size: 13px; font-weight: 600;
    text-align: center; border-top: 1px solid rgba(220,38,38,0.1);
}

/* Mobile */
@media (max-width: 540px) {
    .so-panel { width: 100vw; }
    .so-header, .so-body, .so-footer, .so-steps { padding-left: var(--section-px); padding-right: var(--section-px); }
    .so-field-row { grid-template-columns: 1fr; }
    .so-asset-weight-wrap { width: 110px; }
    .so-portfolio-weight-wrap { width: 110px; }
    .so-step-label { font-size: 11px; }
    .so-step-line { width: 24px; margin: 0 6px; }
}

/* ── Accessibility: reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}