/* ============================================================
   LIS Design System — Components (Linear / Vercel density)
   Sizes: button 32 (sm 28, lg 36), input 32, table row 36
   No shadow, very subtle border, hover bg only (no transform)
   ============================================================ */

/* =====================================================
   BUTTON (Linear: h-8 default 32px, no shadow, subtle border)
   ===================================================== */
.sd-btn, .m3-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    height: 2rem;
    padding: 0 0.75rem;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.005em;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    user-select: none;
    text-decoration: none !important;
    white-space: nowrap;
    transition: background-color var(--sd-duration-fast) var(--sd-ease),
                border-color var(--sd-duration-fast) var(--sd-ease),
                color var(--sd-duration-fast) var(--sd-ease);
}
.sd-btn:disabled, .m3-btn:disabled,
.sd-btn[aria-disabled="true"], .m3-btn[aria-disabled="true"] {
    opacity: 0.5; cursor: not-allowed; pointer-events: none;
}
.sd-btn:focus-visible, .m3-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--sd-bg), 0 0 0 3px var(--sd-ring-c);
}
.sd-btn > svg, .sd-btn > i,
.m3-btn > svg, .m3-btn > i { width: 14px; height: 14px; flex-shrink: 0; line-height: 1; font-size: 14px; }

.sd-btn--sm, .m3-btn--sm { height: 1.75rem; padding: 0 0.625rem; font-size: 0.75rem; }
.sd-btn--lg, .m3-btn--lg { height: 2.25rem; padding: 0 1rem; }
.sd-btn--xs              { height: 1.5rem; padding: 0 0.5rem; font-size: 0.6875rem; }
.sd-btn--icon, .m3-btn--icon { height: 2rem; width: 2rem; padding: 0; }
.sd-btn--block, .m3-btn--block { width: 100%; }

/* Variants */
.sd-btn--default, .sd-btn--primary, .m3-btn--filled {
    background-color: var(--sd-primary-bg);
    color: var(--sd-primary-fg);
    border-color: var(--sd-primary-bg);
}
.sd-btn--default:hover, .sd-btn--primary:hover, .m3-btn--filled:hover {
    background-color: var(--sd-primary-bg-hover);
    border-color: var(--sd-primary-bg-hover);
}

.sd-btn--secondary, .m3-btn--tonal {
    background-color: var(--sd-card-bg);
    color: var(--sd-fg);
    border-color: var(--sd-border-strong);
}
.sd-btn--secondary:hover, .m3-btn--tonal:hover { background-color: var(--sd-muted-bg); }

.sd-btn--outline, .m3-btn--outlined {
    background-color: transparent;
    color: var(--sd-fg);
    border-color: var(--sd-border-strong);
}
.sd-btn--outline:hover, .m3-btn--outlined:hover { background-color: var(--sd-muted-bg); }

.sd-btn--ghost, .m3-btn--text {
    background-color: transparent;
    color: var(--sd-fg);
}
.sd-btn--ghost:hover, .m3-btn--text:hover { background-color: var(--sd-muted-bg); }

.sd-btn--destructive {
    background-color: var(--sd-destructive-bg);
    color: var(--sd-destructive-fg);
    border-color: var(--sd-destructive-bg);
}
.sd-btn--destructive:hover { background-color: hsl(0 72% 45%); border-color: hsl(0 72% 45%); }

.sd-btn--link {
    background-color: transparent;
    color: var(--sd-primary-bg);
    text-decoration: underline !important;
    text-underline-offset: 3px;
    height: auto; padding: 0;
}

/* =====================================================
   ICON BUTTON (ghost square)
   ===================================================== */
.sd-btn-icon, .m3-btn-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 1.75rem; height: 1.75rem;
    border-radius: 4px; border: 0;
    background: transparent;
    color: var(--sd-muted-fg);
    cursor: pointer;
    transition: background-color var(--sd-duration-fast) var(--sd-ease),
                color var(--sd-duration-fast) var(--sd-ease);
}
.sd-btn-icon:hover, .m3-btn-icon:hover { background-color: var(--sd-muted-bg); color: var(--sd-fg); }
.sd-btn-icon:focus-visible, .m3-btn-icon:focus-visible {
    outline: none; box-shadow: 0 0 0 2px var(--sd-bg), 0 0 0 3px var(--sd-ring-c);
}
.sd-btn-icon--sm, .m3-btn-icon--sm { width: 1.5rem; height: 1.5rem; }

/* =====================================================
   CARD (Linear: no shadow, subtle border, radius 8)
   ===================================================== */
.sd-card, .m3-card {
    background-color: var(--sd-card-bg);
    color: var(--sd-card-fg);
    border: 1px solid var(--sd-border-c);
    border-radius: 8px;
    box-shadow: none;
}
.sd-card--elevated, .m3-card--elevated { box-shadow: var(--sd-shadow-xs); }

.sd-card__header, .m3-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.625rem 0.875rem;
    border-bottom: 1px solid var(--sd-border-c);
}
.sd-card__title, .m3-card__title {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.25;
    color: var(--sd-card-fg);
}
.sd-card__description, .m3-card__subtitle {
    font-size: 0.75rem;
    color: var(--sd-muted-fg);
}
.sd-card__content, .sd-card__body { padding: 0.875rem; }
.sd-card__footer  { padding: 0.625rem 0.875rem; border-top: 1px solid var(--sd-border-c); display: flex; align-items: center; gap: 0.5rem; }

/* =====================================================
   INPUT (Linear: h-8 32px)
   ===================================================== */
.sd-input, .m3-input,
.sd-textarea, .m3-textarea,
.sd-select, .m3-select {
    display: flex;
    width: 100%;
    height: 2rem;
    padding: 0 0.625rem;
    font-family: inherit;
    font-size: 0.8125rem;
    line-height: 1;
    color: var(--sd-fg);
    background-color: var(--sd-card-bg);
    border: 1px solid var(--sd-input-c);
    border-radius: 6px;
    outline: none;
    transition: border-color var(--sd-duration-fast) var(--sd-ease),
                box-shadow var(--sd-duration-fast) var(--sd-ease);
    appearance: none;
}
.sd-textarea, .m3-textarea {
    height: auto; min-height: 4rem;
    padding: 0.5rem 0.625rem; line-height: 1.5; resize: vertical;
}
.sd-input::placeholder, .m3-input::placeholder,
.sd-textarea::placeholder, .m3-textarea::placeholder { color: var(--sd-muted-fg); }
.sd-input:focus-visible, .m3-input:focus-visible,
.sd-textarea:focus-visible, .m3-textarea:focus-visible,
.sd-select:focus-visible, .m3-select:focus-visible,
.sd-input:focus, .m3-input:focus,
.sd-textarea:focus, .m3-textarea:focus,
.sd-select:focus, .m3-select:focus {
    border-color: var(--sd-ring-c);
    box-shadow: 0 0 0 1px var(--sd-ring-c);
}
.sd-input:disabled, .m3-input:disabled { opacity: 0.5; cursor: not-allowed; }
.sd-input.is-invalid, .m3-input.is-invalid { border-color: var(--sd-destructive-bg); }
.sd-input.is-invalid:focus, .m3-input.is-invalid:focus { box-shadow: 0 0 0 1px var(--sd-destructive-bg); }

.sd-field, .m3-field {
    display: flex; flex-direction: column; gap: 0.375rem;
    margin-bottom: 0.875rem;
}
.sd-label, .m3-label {
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    color: var(--sd-fg);
    cursor: default;
}
.sd-help, .m3-help {
    font-size: 0.6875rem;
    color: var(--sd-muted-fg);
    line-height: 1.25;
}
.sd-error, .m3-error {
    font-size: 0.6875rem;
    color: var(--sd-destructive-bg);
    font-weight: 500;
    line-height: 1.25;
}

.m3-field--float { display: flex; flex-direction: column; gap: 0.375rem; }
.m3-field--float .m3-label { position: static; transform: none; background: transparent; }

/* Input affixes */
.m3-input-group, .sd-input-group { position: relative; display: flex; align-items: center; }
.m3-input-group .m3-input, .m3-input-group .sd-input,
.sd-input-group .sd-input, .sd-input-group .m3-input { padding-left: 1.875rem; }
.m3-input-group__icon, .sd-input-group__icon {
    position: absolute;
    left: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sd-muted-fg);
    pointer-events: none;
    font-size: 0.875rem;
    line-height: 1;
}
.m3-input-group--right .m3-input,
.sd-input-group--right .sd-input,
.sd-input-group--right .m3-input { padding-right: 1.875rem; padding-left: 0.625rem; }
.m3-input-group--right .m3-input-group__icon,
.sd-input-group--right .sd-input-group__icon { left: auto; right: 0.5rem; }

/* Checkbox / Radio */
.sd-checkbox, .m3-checkbox,
.sd-radio, .m3-radio {
    display: inline-flex; align-items: center; gap: 0.375rem;
    cursor: pointer; user-select: none;
    color: var(--sd-fg); font-size: 0.8125rem;
}
.sd-checkbox input, .m3-checkbox input,
.sd-radio input, .m3-radio input {
    accent-color: var(--sd-primary-bg);
    width: 14px; height: 14px;
    border-radius: 3px;
}

/* =====================================================
   TABLE (Linear: row 36px, no stripe, hover-bg only)
   ===================================================== */
.sd-table-wrap, .m3-table-wrap {
    background-color: var(--sd-card-bg);
    border: 1px solid var(--sd-border-c);
    border-radius: 8px;
    overflow: hidden;
}
.sd-table, .m3-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}
.sd-table thead tr, .m3-table thead tr {
    border-bottom: 1px solid var(--sd-border-c);
}
.sd-table thead th, .m3-table thead th {
    background: transparent;
    color: var(--sd-muted-fg);
    font-weight: 500;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.375rem 0.625rem;
    text-align: left;
    vertical-align: middle;
    height: 2rem;
    white-space: nowrap;
}
.sd-table tbody td, .m3-table tbody td {
    padding: 0.5rem 0.625rem;
    color: var(--sd-fg);
    border-bottom: 1px solid hsl(0 0% 0% / 0.04);
    vertical-align: middle;
    height: 2.25rem;
}
.sd-table tbody tr:hover, .m3-table tbody tr:hover { background-color: var(--sd-muted-bg); }
.sd-table tbody tr:last-child td, .m3-table tbody tr:last-child td { border-bottom: 0; }

/* Table action group hover-reveal */
.sd-table-actions { display: inline-flex; gap: 2px; opacity: 0; transition: opacity var(--sd-duration-fast) var(--sd-ease); }
.sd-table tr:hover .sd-table-actions { opacity: 1; }

/* =====================================================
   STATUS / BADGE (Linear: dot 6px + 11px text)
   ===================================================== */
.sd-status, .m3-chip, .sd-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 1px 7px;
    font-size: 0.6875rem;
    font-weight: 500;
    line-height: 1.25rem;
    border-radius: 4px;
    background-color: var(--sd-muted-bg);
    color: var(--sd-fg);
    border: 1px solid var(--sd-border-c);
    white-space: nowrap;
}
.sd-status::before, .sd-badge--has-dot::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--sd-muted-fg);
}
.sd-status--success { color: hsl(160 84% 30%); background: hsl(160 84% 39% / 0.10); border-color: hsl(160 84% 39% / 0.25); }
.sd-status--success::before { background: var(--sd-success-bg); }
.sd-status--warning { color: hsl(32 95% 35%); background: hsl(38 92% 50% / 0.12); border-color: hsl(38 92% 50% / 0.25); }
.sd-status--warning::before { background: var(--sd-warning-bg); }
.sd-status--danger  { color: hsl(0 72% 45%); background: hsl(0 72% 51% / 0.10); border-color: hsl(0 72% 51% / 0.25); }
.sd-status--danger::before  { background: var(--sd-destructive-bg); }
.sd-status--info    { color: hsl(199 89% 35%); background: hsl(199 89% 48% / 0.10); border-color: hsl(199 89% 48% / 0.25); }
.sd-status--info::before    { background: var(--sd-info-bg); }
.sd-status--primary { color: hsl(239 84% 50%); background: var(--sd-primary-soft); border-color: hsl(239 84% 60% / 0.25); }
.sd-status--primary::before { background: var(--sd-primary-bg); }
.sd-status--neutral { color: var(--sd-muted-fg); background: var(--sd-muted-bg); border-color: var(--sd-border-c); }

/* Solid badges (kept for compat) */
.sd-badge--solid { background: var(--sd-fg); color: var(--sd-bg); border-color: transparent; }
.sd-badge--outline { background: transparent; border-color: var(--sd-border-strong); color: var(--sd-fg); }
.sd-badge--secondary { background: var(--sd-muted-bg); color: var(--sd-muted-fg); border-color: var(--sd-border-c); }

/* m3 chip variants */
.m3-chip--primary { background: var(--sd-primary-soft); color: var(--sd-primary-bg); border-color: hsl(239 84% 60% / 0.25); }
.m3-chip--success { background: hsl(160 84% 39% / 0.12); color: hsl(160 84% 30%); border-color: hsl(160 84% 39% / 0.25); }
.m3-chip--warning { background: hsl(38 92% 50% / 0.12); color: hsl(32 95% 35%); border-color: hsl(38 92% 50% / 0.25); }
.m3-chip--danger  { background: hsl(0 72% 51% / 0.10); color: hsl(0 72% 45%); border-color: hsl(0 72% 51% / 0.25); }
.m3-chip--info    { background: hsl(199 89% 48% / 0.10); color: hsl(199 89% 35%); border-color: hsl(199 89% 48% / 0.25); }
.m3-chip--outlined { background: transparent; border-color: var(--sd-border-strong); color: var(--sd-fg); }

/* =====================================================
   ALERT (Linear: subtle border + colored icon)
   ===================================================== */
.sd-alert, .m3-alert {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border-radius: 6px;
    border: 1px solid var(--sd-border-c);
    background: var(--sd-card-bg);
    color: var(--sd-fg);
    font-size: 0.8125rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.4;
}
.sd-alert > i, .sd-alert > svg,
.m3-alert > i, .m3-alert > svg { flex-shrink: 0; line-height: 1; margin-top: 1px; }
.sd-alert__title, .m3-alert__title { font-weight: 600; line-height: 1.25; margin-bottom: 2px; }
.sd-alert__description { font-size: 0.75rem; line-height: 1.4; color: var(--sd-muted-fg); }
.sd-alert--destructive, .m3-alert--danger {
    border-color: hsl(0 72% 51% / 0.30);
    color: hsl(0 72% 45%);
    background: hsl(0 72% 51% / 0.04);
}
.sd-alert--success, .m3-alert--success {
    border-color: hsl(160 84% 39% / 0.30);
    color: hsl(160 84% 30%);
    background: hsl(160 84% 39% / 0.04);
}
.sd-alert--warning, .m3-alert--warning {
    border-color: hsl(38 92% 50% / 0.30);
    color: hsl(32 95% 35%);
    background: hsl(38 92% 50% / 0.05);
}
.sd-alert--info, .m3-alert--info {
    border-color: hsl(199 89% 48% / 0.30);
    color: hsl(199 89% 35%);
    background: hsl(199 89% 48% / 0.04);
}

/* =====================================================
   DIALOG / MODAL
   ===================================================== */
.sd-dialog, .m3-modal {
    background-color: var(--sd-card-bg);
    color: var(--sd-fg);
    border: 1px solid var(--sd-border-c);
    border-radius: 8px;
    box-shadow: var(--sd-shadow-xl);
    max-width: 28rem;
    width: calc(100% - 2rem);
    overflow: hidden;
    display: flex; flex-direction: column;
}
.sd-dialog__header, .m3-modal__header {
    padding: 0.875rem 1rem;
    display: flex; flex-direction: column; gap: 0.25rem;
    border-bottom: 1px solid var(--sd-border-c);
}
.sd-dialog__title, .m3-modal__title {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--sd-fg);
}
.sd-dialog__description {
    font-size: 0.75rem;
    color: var(--sd-muted-fg);
    line-height: 1.4;
}
.sd-dialog__body, .m3-modal__body {
    padding: 0.875rem 1rem;
    color: var(--sd-fg);
    overflow-y: auto;
    font-size: 0.8125rem;
}
.sd-dialog__footer, .m3-modal__footer {
    padding: 0.625rem 1rem;
    border-top: 1px solid var(--sd-border-c);
    display: flex;
    flex-direction: row-reverse;
    gap: 0.5rem;
    justify-content: flex-start;
}

/* =====================================================
   DIVIDER
   ===================================================== */
.sd-divider, .m3-divider {
    height: 1px;
    background-color: var(--sd-border-c);
    border: 0;
    margin: 0.875rem 0;
}
.sd-divider--vertical, .m3-divider--vertical {
    width: 1px;
    height: auto;
    align-self: stretch;
    margin: 0 0.5rem;
}

/* =====================================================
   SPINNER
   ===================================================== */
.sd-spinner, .m3-spinner {
    display: inline-block;
    width: 14px; height: 14px;
    border: 1.5px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: sd-spin 0.6s linear infinite;
    color: var(--sd-muted-fg);
}
.sd-spinner--sm, .m3-spinner--sm { width: 10px; height: 10px; border-width: 1.5px; }
.sd-spinner--lg, .m3-spinner--lg { width: 20px; height: 20px; border-width: 2px; }
@keyframes sd-spin { to { transform: rotate(360deg); } }
@keyframes m3-spin { to { transform: rotate(360deg); } }

/* =====================================================
   TABS (Linear: underline tab)
   ===================================================== */
.sd-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--sd-border-c);
    margin-bottom: 0.875rem;
}
.sd-tabs > a, .sd-tabs > button, .sd-tabs > .sd-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    height: 1.875rem;
    padding: 0 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--sd-muted-fg);
    background: transparent;
    border: 0;
    border-bottom: 1.5px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: color var(--sd-duration-fast) var(--sd-ease),
                border-color var(--sd-duration-fast) var(--sd-ease);
    margin-bottom: -1px;
}
.sd-tabs > .active, .sd-tabs > [aria-selected="true"] {
    color: var(--sd-fg);
    border-bottom-color: var(--sd-fg);
}
.sd-tabs > a:hover:not(.active), .sd-tabs > button:hover:not(.active) { color: var(--sd-fg); }
.sd-tabs .sd-tab-count {
    background: var(--sd-muted-bg);
    color: var(--sd-muted-fg);
    font-size: 0.6875rem; font-weight: 600;
    padding: 0 5px; border-radius: 3px; line-height: 14px;
}

/* Segmented (alt) — pill style */
.sd-segmented {
    display: inline-flex;
    background: var(--sd-muted-bg);
    border-radius: 6px;
    padding: 2px;
    gap: 0;
}
.sd-segmented > a, .sd-segmented > button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 1.625rem;
    padding: 0 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--sd-muted-fg);
    background: transparent;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--sd-duration-fast) var(--sd-ease),
                color var(--sd-duration-fast) var(--sd-ease);
}
.sd-segmented > .active {
    background: var(--sd-card-bg);
    color: var(--sd-fg);
    box-shadow: 0 1px 1px hsl(0 0% 0% / 0.06);
}

/* =====================================================
   AVATAR
   ===================================================== */
.sd-avatar {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1.75rem; height: 1.75rem;
    overflow: hidden;
    border-radius: 9999px;
    background: var(--sd-muted-bg);
    color: var(--sd-fg);
    font-size: 0.75rem;
    font-weight: 500;
    user-select: none;
    border: 1px solid var(--sd-border-c);
}
.sd-avatar img { width: 100%; height: 100%; object-fit: cover; }
.sd-avatar--xs { width: 1.25rem; height: 1.25rem; font-size: 0.6875rem; }
.sd-avatar--sm { width: 1.5rem; height: 1.5rem; }
.sd-avatar--lg { width: 2.5rem; height: 2.5rem; font-size: 0.875rem; }

/* =====================================================
   PROGRESS
   ===================================================== */
.sd-progress {
    position: relative;
    height: 4px;
    width: 100%;
    overflow: hidden;
    border-radius: 9999px;
    background: var(--sd-muted-bg);
}
.sd-progress > .sd-progress__bar {
    height: 100%;
    background: var(--sd-primary-bg);
    transition: width var(--sd-duration-slow) var(--sd-ease);
}

/* =====================================================
   SWITCH
   ===================================================== */
.sd-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 1.875rem;
    height: 1rem;
    border-radius: 9999px;
    background: var(--sd-border-strong);
    cursor: pointer;
    transition: background-color var(--sd-duration-fast) var(--sd-ease);
}
.sd-switch[aria-checked="true"] { background: var(--sd-primary-bg); }
.sd-switch::after {
    content: '';
    position: absolute;
    left: 2px;
    width: 12px; height: 12px;
    border-radius: 9999px;
    background: #fff;
    transition: transform var(--sd-duration-fast) var(--sd-ease);
}
.sd-switch[aria-checked="true"]::after { transform: translateX(14px); }

/* =====================================================
   TOOLTIP
   ===================================================== */
.sd-tooltip {
    z-index: 50;
    overflow: hidden;
    border-radius: 4px;
    background: var(--sd-fg);
    color: var(--sd-bg);
    padding: 4px 8px;
    font-size: 0.6875rem;
    font-weight: 500;
    box-shadow: var(--sd-shadow-md);
    pointer-events: none;
}

/* =====================================================
   STAT CARD
   ===================================================== */
.sd-stat {
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--sd-border-c);
    border-radius: 6px;
    background: var(--sd-card-bg);
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.sd-stat__label { font-size: 0.6875rem; color: var(--sd-muted-fg); text-transform: uppercase; letter-spacing: 0.04em; font-weight: 500; }
.sd-stat__value { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.025em; line-height: 1.2; }
.sd-stat__delta { font-size: 0.6875rem; font-weight: 500; }
.sd-stat__delta--up   { color: var(--sd-success-bg); }
.sd-stat__delta--down { color: var(--sd-destructive-bg); }

/* =====================================================
   TOGGLE GROUP
   ===================================================== */
.sd-toggle-group { display: inline-flex; flex-wrap: wrap; gap: 0.375rem; align-items: center; }
.sd-toggle-item {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.25rem;
    height: 1.75rem; padding: 0 0.625rem;
    font-size: 0.75rem; font-weight: 500; line-height: 1;
    color: var(--sd-fg);
    background: var(--sd-card-bg);
    border: 1px solid var(--sd-border-strong);
    border-radius: 6px;
    cursor: pointer; user-select: none;
    transition: background-color var(--sd-duration-fast) var(--sd-ease),
                color var(--sd-duration-fast) var(--sd-ease),
                border-color var(--sd-duration-fast) var(--sd-ease);
    white-space: nowrap;
}
.sd-toggle-item:hover { background: var(--sd-muted-bg); }
.sd-toggle-item[aria-pressed="true"], .sd-toggle-item.active {
    background: var(--sd-fg);
    color: var(--sd-bg);
    border-color: var(--sd-fg);
}

/* =====================================================
   STEPPER
   ===================================================== */
.sd-stepper { display: flex; align-items: center; gap: 1.25rem; padding: 0.5rem 0; border-bottom: 1px solid var(--sd-border-c); overflow-x: auto; }
.sd-step { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.375rem 0; font-size: 0.8125rem; font-weight: 500; color: var(--sd-muted-fg); cursor: pointer; border: 0; background: transparent; white-space: nowrap; border-bottom: 1.5px solid transparent; margin-bottom: -1px; transition: color var(--sd-duration-fast) var(--sd-ease), border-color var(--sd-duration-fast) var(--sd-ease); }
.sd-step__num { display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px; border-radius: 9999px; background: var(--sd-muted-bg); color: var(--sd-muted-fg); font-size: 0.6875rem; font-weight: 600; flex-shrink: 0; }
.sd-step:hover { color: var(--sd-fg); }
.sd-step.active, .sd-step[aria-current="step"] { color: var(--sd-fg); border-bottom-color: var(--sd-fg); }
.sd-step.active .sd-step__num, .sd-step[aria-current="step"] .sd-step__num { background: var(--sd-fg); color: var(--sd-bg); }
.sd-step.completed .sd-step__num { background: var(--sd-primary-bg); color: var(--sd-primary-fg); }

/* =====================================================
   PROJECT CARD (compact)
   ===================================================== */
.sd-pcard {
    background: var(--sd-card-bg);
    border: 1px solid var(--sd-border-c);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color var(--sd-duration-fast) var(--sd-ease),
                background-color var(--sd-duration-fast) var(--sd-ease);
}
.sd-pcard:hover { border-color: var(--sd-border-strong); }
.sd-pcard__media { position: relative; height: 130px; background: var(--sd-muted-bg); overflow: hidden; }
.sd-pcard__media img { width: 100%; height: 100%; object-fit: cover; }
.sd-pcard__status { position: absolute; top: 0.5rem; left: 0.5rem; }
.sd-pcard__menu { position: absolute; top: 0.375rem; right: 0.375rem; }
.sd-pcard__body { padding: 0.625rem 0.75rem 0.75rem; display: flex; flex-direction: column; gap: 0.375rem; flex: 1; }
.sd-pcard__title { font-size: 0.8125rem; font-weight: 600; color: var(--sd-fg); letter-spacing: -0.01em; line-height: 1.25; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sd-pcard__location { display: inline-flex; align-items: center; gap: 0.25rem; font-size: 0.6875rem; color: var(--sd-muted-fg); }
.sd-pcard__chips { display: flex; flex-wrap: wrap; gap: 0.25rem; }
.sd-pcard__meta { display: flex; align-items: center; gap: 0.5rem; font-size: 0.6875rem; color: var(--sd-muted-fg); flex-wrap: wrap; }
.sd-pcard__meta strong { color: var(--sd-fg); font-weight: 600; }
.sd-pcard__price-row { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--sd-border-c); padding-top: 0.375rem; margin-top: 0.125rem; }
.sd-pcard__price-label { font-size: 0.6875rem; color: var(--sd-muted-fg); }
.sd-pcard__price-value { font-size: 0.75rem; font-weight: 600; color: var(--sd-destructive-bg); }

/* =====================================================
   INPUT WITH SUFFIX
   ===================================================== */
.sd-input-suffix { position: relative; display: flex; align-items: stretch; }
.sd-input-suffix .sd-input,
.sd-input-suffix .form-control {
    padding-right: 2.5rem;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.sd-input-suffix__addon {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0 0.625rem;
    border: 1px solid var(--sd-input-c);
    border-left: 0;
    border-top-right-radius: 6px;
    border-bottom-right-radius: 6px;
    background: var(--sd-muted-bg);
    color: var(--sd-muted-fg);
    font-size: 0.75rem; font-weight: 500;
    flex-shrink: 0; min-width: 2rem;
}

/* =====================================================
   FAB
   ===================================================== */
.sd-fab { position: fixed; bottom: 1rem; right: 1rem; z-index: 50; display: flex; flex-direction: column; gap: 0.5rem; }
.sd-fab__btn {
    width: 2.5rem; height: 2.5rem;
    border-radius: 9999px;
    background: var(--sd-fg);
    color: var(--sd-bg);
    border: 0;
    display: inline-flex; align-items: center; justify-content: center;
    box-shadow: var(--sd-shadow-md);
    cursor: pointer;
    transition: box-shadow var(--sd-duration-fast) var(--sd-ease);
}
.sd-fab__btn:hover { box-shadow: var(--sd-shadow-lg); }