.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: var(--border-w) solid transparent;
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: var(--fs-body);
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.005em;
    text-decoration: none;
    cursor: pointer;
    transition:
        background-color var(--t-fast) var(--e-standard),
        color var(--t-fast) var(--e-standard),
        border-color var(--t-fast) var(--e-standard),
        transform var(--t-fast) var(--e-standard);
    user-select: none;
    white-space: nowrap;
}
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.btn:active:not(:disabled) { transform: translateY(0.5px); }
.btn svg { width: 1rem; height: 1rem; flex-shrink: 0; }

.btn-primary {
    background: var(--highlighter);
    border-color: var(--highlighter);
    color: var(--ink);
}
.btn-primary:hover:not(:disabled) {
    background: var(--highlighter-soft);
    border-color: var(--highlighter-soft);
}

.btn-secondary {
    background: transparent;
    border-color: var(--border-hairline);
    color: var(--text-primary);
}
.btn-secondary:hover:not(:disabled) { background: var(--cream-dark); }

.btn-dark {
    background: var(--navy);
    border-color: var(--accent-text);
    color: var(--text-inverse);
}
.btn-dark:hover:not(:disabled) { background: var(--navy-darker); border-color: var(--navy-darker); }

.btn-ghost {
    border-color: transparent;
    color: var(--text-body);
    padding-inline: 0.5rem;
}
.btn-ghost:hover:not(:disabled) { color: var(--text-primary); background: var(--cream-dark); }

.btn-danger {
    background: transparent;
    border-color: var(--danger);
    color: var(--danger);
}
.btn-danger:hover:not(:disabled) { background: var(--danger); color: var(--text-inverse); }

.btn-block { width: 100%; }
.btn-sm { padding: 0.45rem 0.9rem; font-size: var(--fs-small); }
.btn-lg { padding: 0.85rem 1.75rem; font-size: 1rem; }
.btn-icon { padding: 0.5rem; width: 2.25rem; height: 2.25rem; border-radius: 50%; }

input[type="text"], input[type="password"], input[type="number"], input[type="email"],
input[type="search"], input[type="file"], select, textarea {
    width: 100%;
    padding: 0.6rem 0.85rem;
    background: var(--cream-lightest);
    border: var(--border-w) solid var(--border-hairline);
    border-radius: var(--radius-s);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: var(--fs-body);
    font-weight: 500;
    line-height: 1.3;
    transition:
        border-color var(--t-fast) var(--e-standard),
        background-color var(--t-fast) var(--e-standard),
        box-shadow var(--t-fast) var(--e-standard);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); font-weight: 400; }
input:hover:not(:disabled), select:hover:not(:disabled), textarea:hover:not(:disabled) {
    border-color: var(--accent-text);
    background: var(--cream-lighter);
}
input:focus, select:focus, textarea:focus {
    border-color: var(--accent-text);
    background: var(--cream-lightest);
    box-shadow: 0 0 0 3px rgba(12, 49, 102, 0.15);
    outline: none;
}
input:disabled, select:disabled, textarea:disabled { opacity: 0.5; cursor: not-allowed; }

select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%2712%27%20height%3D%278%27%20viewBox%3D%270%200%2012%208%27%3E%3Cpath%20d%3D%27M1%201l5%205%205-5%27%20stroke%3D%27%230c3166%27%20stroke-width%3D%271.75%27%20fill%3D%27none%27%20stroke-linecap%3D%27round%27%20stroke-linejoin%3D%27round%27%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat !important;
    background-position: right 0.9rem center;
    background-size: 0.75rem auto;
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 600;
}
select::-ms-expand { display: none; }

.branded-select {
    position: relative;
    font-family: var(--font-ui);
    font-size: var(--fs-body);
    font-weight: 600;
    color: var(--text-primary);
    width: 100%;
}
.branded-select-trigger {
    appearance: none;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    padding: 0.6rem 0.9rem;
    background: var(--bg-surface);
    border: var(--border-w) solid var(--border-hairline);
    border-radius: var(--radius-s);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: var(--fs-body);
    font-weight: 600;
    line-height: 1.3;
    cursor: pointer;
    transition:
        background var(--t-fast) var(--e-standard),
        border-color var(--t-fast) var(--e-standard),
        box-shadow var(--t-fast) var(--e-standard);
    text-align: left;
}
.branded-select-trigger:hover {
    background: var(--cream-dark);
    border-color: var(--accent-text);
}
.branded-select.open .branded-select-trigger {
    border-color: var(--accent-text);
    box-shadow: 0 0 0 3px rgba(12, 49, 102, 0.15);
}
.branded-select-trigger svg {
    width: 0.75rem;
    height: 0.75rem;
    flex-shrink: 0;
    color: var(--accent-text);
    transition: transform var(--t-base) var(--e-standard);
}
.branded-select.open .branded-select-trigger svg { transform: rotate(180deg); }
.branded-select-value {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}
.branded-select-value[data-placeholder="true"] { color: var(--text-primary); font-weight: 600; }

.branded-select-menu {
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 0; right: 0;
    z-index: calc(var(--z-overlay) + 1);
    margin: 0;
    padding: 0.3rem;
    list-style: none;
    background: var(--cream-lightest);
    border: var(--border-w) solid var(--border-hairline);
    border-radius: var(--radius-s);
    box-shadow: 0 14px 36px -18px rgba(12, 33, 63, 0.28);
    max-height: 20rem;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-text) var(--cream-dark);
}
.branded-select-menu::-webkit-scrollbar { width: 8px; }
.branded-select-menu::-webkit-scrollbar-track {
    background: var(--cream-dark);
    border-radius: 4px;
    margin: 0.3rem 0;
}
.branded-select-menu::-webkit-scrollbar-thumb {
    background: var(--navy);
    border-radius: 4px;
    border: 2px solid var(--cream-dark);
}
.branded-select-menu::-webkit-scrollbar-thumb:hover {
    background: var(--navy-darker);
}
.branded-select-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-xs);
    font-family: var(--font-ui);
    font-size: var(--fs-body);
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--t-fast) var(--e-standard), color var(--t-fast) var(--e-standard);
    line-height: 1.3;
}
.branded-select-option:hover { background: var(--cream-dark); }
.branded-select-option[aria-selected="true"] {
    background: var(--navy);
    color: var(--text-inverse);
    font-weight: 600;
}
.branded-select-option[aria-selected="true"]::after {
    content: "";
    width: 0.5rem; height: 0.5rem; border-radius: 50%;
    background: var(--highlighter);
    flex-shrink: 0;
}
.branded-select-option.placeholder { color: var(--text-muted); font-style: italic; }

.checkbox {
    display: inline-flex; align-items: center; gap: 0.5rem;
    cursor: pointer; user-select: none;
    color: var(--text-body);
    font-size: var(--fs-small);
}
.checkbox input[type="checkbox"] { width: 1rem; height: 1rem; accent-color: var(--ink); }

.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field-label {
    font-family: var(--font-ui);
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: var(--tracking-eyebrow);
    text-transform: uppercase;
    color: var(--text-muted);
}
.field-hint  { font-size: var(--fs-small); color: var(--text-muted); }
.field-error { font-size: var(--fs-small); color: var(--danger); }

.card {
    background: var(--bg-surface);
    border: var(--border-w) solid var(--border-hairline);
    border-radius: var(--radius-m);
    padding: var(--space-5);
}
.card-flush { padding: 0; overflow: hidden; }
.card-warm  { background: var(--bg-hero); }
.card-dark  { background: var(--navy); border-color: var(--navy-darker); color: var(--text-inverse); }
.card-dark h1, .card-dark h2, .card-dark h3, .card-dark h4 { color: var(--text-inverse); }
.card-dark .muted { color: var(--grey-blue); }

.card-title {
    display: flex; align-items: baseline; gap: 0.75rem;
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    letter-spacing: var(--tracking-heading);
}

.pill {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-pill);
    background: var(--cream-dark);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: var(--tracking-caps);
    text-transform: uppercase;
    line-height: 1;
    white-space: nowrap;
}
.pill-accent { background: var(--highlighter); color: var(--ink); }
.pill-dark   { background: var(--navy); color: var(--text-inverse); }
.pill-outline{ background: transparent; border: var(--border-w) solid var(--border-hairline); }
.pill-danger { background: var(--danger-soft); color: var(--danger); }
.pill-warn   { background: var(--warning-soft); color: var(--warning); }
.pill-ok     { background: var(--success-soft); color: var(--success); }

.status-dot {
    width: 0.55rem; height: 0.55rem; border-radius: 50%;
    display: inline-block; flex-shrink: 0;
    background: var(--text-muted);
    position: relative;
}
.status-dot.live {
    background: var(--highlighter);
    box-shadow: 0 0 0 0 rgba(214, 252, 60, 0.6);
    animation: pulse-live 2.4s var(--e-standard) infinite;
}
.status-dot.warn  { background: var(--warning); }
.status-dot.error { background: var(--danger); }

@keyframes pulse-live {
    0%, 100% { box-shadow: 0 0 0 0 rgba(214, 252, 60, 0.55); }
    60% { box-shadow: 0 0 0 6px rgba(214, 252, 60, 0); }
}

.tabs {
    display: flex;
    gap: var(--space-5);
    border-bottom: var(--border-w) solid var(--border-hairline);
    margin-bottom: var(--space-5);
}
.tab {
    appearance: none;
    background: transparent;
    border: 0;
    padding: 0.75rem 0;
    font-family: var(--font-ui);
    font-size: var(--fs-body);
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    letter-spacing: 0.01em;
    transition: color var(--t-fast);
}
.tab::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -1px;
    height: 2px;
    background: var(--navy);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--t-base) var(--e-standard);
}
.tab:hover { color: var(--text-primary); }
.tab[aria-selected="true"], .tab.active {
    color: var(--text-primary);
}
.tab[aria-selected="true"]::after, .tab.active::after { transform: scaleX(1); }

.table {
    width: 100%;
    border-collapse: collapse;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
}
.table th, .table td {
    padding: 0.65rem 0.75rem;
    text-align: left;
    vertical-align: middle;
    border-bottom: var(--border-w) solid var(--border-subtle);
}
.table th {
    font-family: var(--font-ui);
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: var(--tracking-eyebrow);
    text-transform: uppercase;
    color: var(--text-muted);
    background: var(--cream-lightest);
    position: sticky; top: 0;
    border-bottom-color: var(--border-hairline);
}
.table td { color: var(--text-primary); font-size: var(--fs-small); }
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: var(--cream-dark); }

.divider {
    height: 1px;
    background: var(--border-hairline);
    width: 100%;
    margin: var(--space-5) 0;
}
.divider-soft { background: var(--border-subtle); }

.section-label {
    display: flex; align-items: center; gap: 0.75rem;
    font-family: var(--font-ui);
    font-size: var(--fs-caption);
    font-weight: 600;
    letter-spacing: var(--tracking-eyebrow);
    text-transform: uppercase;
    color: var(--text-muted);
}
.section-label::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-hairline);
}

.scrim {
    position: fixed; inset: 0;
    background: rgba(12, 33, 63, 0.5);
    backdrop-filter: blur(2px);
    z-index: var(--z-overlay);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t-base) var(--e-standard);
}
.scrim.open { opacity: 1; pointer-events: auto; }

.sheet {
    position: fixed;
    inset: auto 0 0 0;
    max-height: 92vh;
    background: var(--bg-canvas);
    border-top: var(--border-w) solid var(--border-hairline);
    z-index: var(--z-modal);
    transform: translateY(100%);
    transition: transform var(--t-enter) var(--e-emphasis);
    overflow: auto;
    display: flex; flex-direction: column;
}
.sheet.open { transform: translateY(0); }

.dialog {
    position: fixed; inset: 0;
    display: grid; place-items: center;
    z-index: var(--z-modal);
    padding: var(--space-5);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--t-base) var(--e-standard);
}
.dialog.open { opacity: 1; pointer-events: auto; }
.dialog-inner {
    width: 100%;
    max-width: var(--container-narrow);
    background: var(--bg-canvas);
    border: var(--border-w) solid var(--border-hairline);
    border-radius: var(--radius-l);
    padding: var(--space-6);
    transform: translateY(12px);
    opacity: 0;
    transition: transform var(--t-enter) var(--e-emphasis), opacity var(--t-enter) var(--e-emphasis);
}
.dialog.open .dialog-inner { transform: translateY(0); opacity: 1; }

.close-btn {
    appearance: none; border: 0; background: transparent;
    width: 2.25rem; height: 2.25rem; border-radius: 50%;
    display: grid; place-items: center;
    color: var(--text-body);
    cursor: pointer;
    transition: background-color var(--t-fast), color var(--t-fast);
}
.close-btn:hover { background: var(--cream-dark); color: var(--text-primary); }
.close-btn svg { width: 1.1rem; height: 1.1rem; }

.toast {
    padding: 0.75rem 1rem;
    border: var(--border-w) solid var(--border-hairline);
    border-radius: var(--radius-s);
    background: var(--cream-medium);
    color: var(--text-primary);
    font-size: var(--fs-small);
}
.toast.toast-ok    { border-color: var(--success); background: var(--success-soft); color: var(--success); }
.toast.toast-warn  { border-color: var(--warning); background: var(--warning-soft); color: var(--warning); }
.toast.toast-error { border-color: var(--danger);  background: var(--danger-soft);  color: var(--danger); }

.stack > * + * { margin-top: var(--space-4); }
.stack-sm > * + * { margin-top: var(--space-2); }
.stack-lg > * + * { margin-top: var(--space-5); }

.row {
    display: flex; align-items: center; gap: var(--space-3);
}
.row-wrap  { flex-wrap: wrap; }
.row-between { justify-content: space-between; }

.loader-ring {
    width: 1rem; height: 1rem; border-radius: 50%;
    border: 2px solid var(--border-subtle);
    border-top-color: var(--text-primary);
    animation: spin 0.85s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }