/**
 * TrackStage UI — RC-01.99 Production Polish + RC-01.18.5 Navigation icons
 * Buttons, dialogs, messages, tables, forms, a11y, loading.
 */
:root {
    --ts-font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --ts-radius: 0.5rem;
    --ts-radius-lg: 0.75rem;
    --ts-btn-h: 2.75rem;
    --ts-focus: 0 0 0 2px #08111d, 0 0 0 4px rgba(59, 130, 246, 0.75);
    --ts-focus-danger: 0 0 0 2px #08111d, 0 0 0 4px rgba(239, 68, 68, 0.7);
}

html,
body,
.ts-app-shell {
    font-family: var(--ts-font);
}

/* Official TrackStage wordmarks — never recolor via CSS filters or fill. */
img.ts-brand-logo {
    display: block;
    max-width: 100%;
    object-fit: contain;
    filter: none;
}

/* Skip link */
.ts-skip-link {
    position: absolute;
    left: 0.75rem;
    top: -3.5rem;
    z-index: 10000;
    border-radius: var(--ts-radius);
    background: #3b82f6;
    color: #fff;
    padding: 0.55rem 0.9rem;
    font-size: 0.875rem;
    font-weight: 600;
}
.ts-skip-link:focus {
    top: calc(0.75rem + var(--ts-safe-top, 0px));
    outline: none;
    box-shadow: var(--ts-focus);
}

/* ---------- Buttons ---------- */
.ts-btn,
a.ts-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: var(--ts-btn-h);
    padding: 0.5rem 1rem;
    border-radius: var(--ts-radius);
    border: 1px solid transparent;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.25;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, opacity 0.15s ease, transform 0.1s ease;
}

.ts-btn:focus-visible,
.ts-topbar a:focus-visible,
.ts-topbar button:focus-visible,
.ts-main a:focus-visible,
.ts-main button:focus-visible,
.ts-main input:focus-visible,
.ts-main select:focus-visible,
.ts-main textarea:focus-visible {
    outline: none;
    box-shadow: var(--ts-focus);
}

.ts-btn:active:not(:disabled) {
    transform: translateY(1px);
}

.ts-btn-primary {
    border-color: rgba(59, 130, 246, 0.5);
    background: rgba(59, 130, 246, 0.16);
    color: #93c5fd;
}
.ts-btn-primary:hover:not(:disabled) {
    background: rgba(59, 130, 246, 0.28);
    border-color: rgba(59, 130, 246, 0.75);
}

.ts-btn-accent {
    border-color: rgba(34, 197, 94, 0.45);
    background: rgba(34, 197, 94, 0.12);
    color: #86efac;
    box-shadow: 0 0 18px rgba(34, 197, 94, 0.12);
}
.ts-btn-accent:hover:not(:disabled) {
    background: rgba(34, 197, 94, 0.22);
}

.ts-btn-secondary {
    border-color: rgba(71, 85, 105, 0.95);
    background: rgba(15, 23, 42, 0.65);
    color: #cbd5e1;
}
.ts-btn-secondary:hover:not(:disabled) {
    border-color: rgba(100, 116, 139, 1);
    color: #fff;
}

.ts-btn-danger {
    border-color: rgba(239, 68, 68, 0.45);
    background: rgba(239, 68, 68, 0.12);
    color: #fecaca;
}
.ts-btn-danger:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.22);
    border-color: rgba(239, 68, 68, 0.7);
}
.ts-btn-danger:focus-visible {
    box-shadow: var(--ts-focus-danger);
}

.ts-btn-ghost {
    border-color: transparent;
    background: transparent;
    color: #94a3b8;
}
.ts-btn-ghost:hover:not(:disabled) {
    background: rgba(15, 23, 42, 0.7);
    color: #e2e8f0;
}

.ts-btn-sm {
    min-height: 2.25rem;
    padding: 0.35rem 0.75rem;
    font-size: 0.8125rem;
}

.ts-btn-lg,
.ts-btn-block {
    min-height: 3rem;
}

.ts-btn-block {
    width: 100%;
}

.ts-btn:disabled,
.ts-btn[aria-disabled="true"],
button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

.ts-btn.is-loading {
    pointer-events: none;
    opacity: 0.7;
}

.ts-btn-icon {
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
}

.ts-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

/* Header / card action touch targets */
@media (max-width: 1279px) {
    .ts-topbar a,
    .ts-topbar button {
        min-height: 2.75rem;
    }

    .ts-main button[type="submit"],
    .ts-main button[type="button"] {
        min-height: 2.75rem;
    }
}

/* ---------- Confirm dialog ---------- */
.ts-confirm {
    position: fixed;
    inset: 0;
    z-index: var(--ts-z-modal, 2000);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1rem;
    padding-bottom: calc(1rem + var(--ts-safe-bottom, 0px));
}

.ts-confirm[hidden] {
    display: none !important;
}

.ts-confirm-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.ts-confirm-panel {
    position: relative;
    width: min(28rem, 100%);
    border-radius: 1rem;
    border: 1px solid rgba(51, 65, 85, 0.9);
    background: #0b1220;
    padding: 1.25rem 1.25rem 1.1rem;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
}

@media (min-width: 640px) {
    .ts-confirm {
        align-items: center;
    }
}

.ts-confirm-kicker {
    margin: 0;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #64748b;
}

.ts-confirm-title {
    margin: 0.4rem 0 0;
    font-size: 1.05rem;
    font-weight: 650;
    color: #f8fafc;
}

.ts-confirm-body {
    margin: 0.55rem 0 0;
    font-size: 0.875rem;
    line-height: 1.45;
    color: #94a3b8;
}

.ts-confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1.15rem;
}

.ts-confirm-actions .ts-btn {
    min-width: 6.5rem;
}

.ts-confirm[data-tone="danger"] .ts-confirm-kicker {
    color: #fca5a5;
}
.ts-confirm[data-tone="warning"] .ts-confirm-kicker {
    color: #fcd34d;
}

/* ---------- Flash / messages ---------- */
.ts-flash {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.ts-flash-dismiss {
    margin-left: auto;
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: inherit;
    opacity: 0.7;
    cursor: pointer;
}
.ts-flash-dismiss:hover {
    opacity: 1;
    background: rgba(15, 23, 42, 0.45);
}

/* ---------- Tables ---------- */
.ts-table-wrap,
.ts-main .overflow-x-auto {
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.ts-main table {
    font-size: 0.875rem;
}

.ts-main thead th {
    font-size: 0.6875rem;
    letter-spacing: 0.06em;
}

/* Hide leftover desktop scrollbars on card lists */
.ts-mobile-card-list {
    overflow: visible;
}

/* ---------- Forms ---------- */
.ts-main label {
    color: #cbd5e1;
}

.ts-main input::placeholder,
.ts-main textarea::placeholder {
    color: #64748b;
}

/* ---------- Loading overlay copy ---------- */
.ts-busy-label {
    font-weight: 500;
    letter-spacing: 0.01em;
}

/* ---------- Contrast helpers ---------- */
.ts-muted {
    color: #94a3b8;
}

@media (max-width: 767px) {
    .ts-main {
        font-size: 1rem;
    }
}

/* ---------- RC-01.18.5 Navigation icon polish ---------- */
.ts-icon {
    width: 1.25rem; /* 20px */
    height: 1.25rem;
    flex-shrink: 0;
    display: block;
    overflow: visible;
    stroke-width: 1.75;
}

.ts-icon.ts-page-title-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: #60a5fa;
    opacity: 0.95;
}

.ts-icon.ts-bottom-icon,
.ts-bottom-icon.ts-icon {
    width: 1.35rem;
    height: 1.35rem;
}

.ts-page-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.ts-page-title > span {
    min-width: 0;
}

.ts-nav-item {
    transition:
        background-color 0.18s ease,
        border-color 0.18s ease,
        color 0.18s ease,
        box-shadow 0.18s ease;
}

.ts-nav-item-main {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.ts-nav-item-sub .ts-nav-item-main {
    gap: 0.75rem;
}

.ts-nav-item-sub .ts-icon {
    width: 1.25rem;
    height: 1.25rem;
}

.ts-nav-label {
    min-width: 0;
    line-height: 1.25;
    display: inline-block;
}

.ts-nav-item .ts-nav-item-main,
.ts-drawer-link .ts-nav-item-main,
.ts-user-menu-item .ts-icon,
.ts-user-menu-item .ts-nav-label {
    transition:
        color 0.18s ease,
        opacity 0.18s ease,
        transform 0.18s ease;
}

.ts-nav-item .ts-icon,
.ts-drawer-link .ts-icon,
.ts-user-menu-item .ts-icon {
    opacity: 0.88;
}

.ts-nav-item:hover .ts-icon,
.ts-nav-item:hover .ts-nav-label,
.ts-nav-item.is-active .ts-icon,
.ts-nav-item.is-active .ts-nav-label,
.ts-nav-item[aria-current="page"] .ts-icon,
.ts-nav-item[aria-current="page"] .ts-nav-label,
.ts-drawer-link:hover .ts-icon,
.ts-drawer-link:hover .ts-nav-label,
.ts-drawer-link.is-active .ts-icon,
.ts-drawer-link.is-active .ts-nav-label,
.ts-bottom-tab:hover .ts-icon,
.ts-bottom-tab.is-active .ts-icon,
.ts-user-menu-item:hover .ts-icon,
.ts-user-menu-item:hover .ts-nav-label,
.ts-user-menu-item:focus-visible .ts-icon,
.ts-user-menu-item:focus-visible .ts-nav-label {
    opacity: 1;
    color: inherit;
}

.ts-nav-item:hover .ts-nav-item-main,
.ts-drawer-link:hover .ts-nav-item-main,
.ts-user-menu-item:hover {
    transform: translateX(1px);
}

.ts-nav-eq-head {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.ts-nav-eq-toggle {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.ts-nav-eq-chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    border: 1px solid transparent;
    color: #94a3b8;
    cursor: pointer;
    transition:
        background-color 0.18s ease,
        border-color 0.18s ease,
        color 0.18s ease;
}

.ts-nav-eq-chevron:hover {
    border-color: rgba(51, 65, 85, 0.9);
    background: rgba(15, 23, 42, 0.55);
    color: #e2e8f0;
}

.ts-nav-eq-chevron .ts-icon {
    width: 1rem;
    height: 1rem;
    opacity: 1;
    transform: rotate(-90deg); /* collapsed ▶ */
    transform-origin: 50% 50%;
    transition: transform 0.18s ease;
}

.ts-nav-eq:has(.ts-nav-eq-toggle:checked) .ts-nav-eq-chevron .ts-icon {
    transform: rotate(0deg); /* expanded ▼ */
}

.ts-nav-eq-toggle:focus-visible + .ts-nav-eq-chevron {
    box-shadow: var(--ts-focus);
}

.ts-nav-eq-sub {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.18s ease;
}

.ts-nav-eq:has(.ts-nav-eq-toggle:checked) .ts-nav-eq-sub,
.ts-nav-eq:not(:has(.ts-nav-eq-toggle)) .ts-nav-eq-sub {
    grid-template-rows: 1fr;
}

.ts-nav-eq-sub-inner {
    min-height: 0;
    overflow: hidden;
}

.ts-user-menu-item {
    text-decoration: none;
    transition:
        background-color 0.18s ease,
        color 0.18s ease,
        transform 0.18s ease;
}

.ts-user-menu-item .ts-icon {
    width: 1.25rem;
    height: 1.25rem;
}

.ts-user-menu-item:hover,
.ts-user-menu-item:focus-visible {
    background: rgba(30, 41, 59, 0.8);
    color: #fff;
    outline: none;
}

.ts-user-menu-item-danger:hover,
.ts-user-menu-item-danger:focus-visible {
    background: rgba(239, 68, 68, 0.1);
    color: #fecaca;
}

@media (prefers-reduced-motion: reduce) {
    .ts-nav-item,
    .ts-nav-item .ts-nav-item-main,
    .ts-nav-item .ts-icon,
    .ts-nav-item .ts-nav-label,
    .ts-drawer-link .ts-nav-item-main,
    .ts-drawer-link .ts-icon,
    .ts-drawer-link .ts-nav-label,
    .ts-bottom-tab .ts-icon,
    .ts-bottom-tab span,
    .ts-user-menu-item,
    .ts-user-menu-item .ts-icon,
    .ts-user-menu-item .ts-nav-label,
    .ts-nav-eq-chevron,
    .ts-nav-eq-chevron .ts-icon,
    .ts-nav-eq-sub {
        transition: none;
        transform: none;
    }
}