/*
 * Apex1 theme ("Boxenfunk"): calm graphite surfaces, one signal colour, timing-screen digits.
 * Bootstrap 5.3 is themed through its CSS variables; own components carry the apex- prefix.
 * Dark tokens apply with data-bs-theme="dark" on <html>, set from the user's profile (feature 11).
 */

@font-face {
    font-family: "Inter Tight";
    src: url("../fonts/inter-tight-latin-wght.woff2") format("woff2");
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "JetBrains Mono";
    src: url("../fonts/jetbrains-mono-latin-wght.woff2") format("woff2");
    font-weight: 100 800;
    font-style: normal;
    font-display: swap;
}

/* ---------- tokens ---------- */

:root,
[data-bs-theme=light] {
    --apex-bg: #F4F5F7;
    --apex-surface: #FFFFFF;
    --apex-surface-2: #F0F2F5;
    --apex-line: #E2E5EA;
    --apex-ink: #0E1116;
    --apex-ink-2: #454C57;
    --apex-ink-3: #5F6672;
    --apex-signal: #C8331F;
    --apex-signal-rgb: 200, 51, 31;
    --apex-signal-hover: #AD2B19;
    --apex-signal-ink: #FFFFFF;
    --apex-signal-soft: #FBECE9;
    --apex-ok: #1C7C4E;
    --apex-ok-soft: #E6F4EC;
    --apex-warn: #8F5600;
    --apex-warn-soft: #FDF3E1;
    --apex-danger: #B42318;
    --apex-danger-soft: #FDECEA;
    --apex-info: #1F5FAD;
    --apex-info-soft: #E8F0FB;

    --bs-font-sans-serif: "Inter Tight", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --bs-font-monospace: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --bs-body-font-size: 0.9375rem;
    --bs-body-line-height: 1.5;
    --bs-body-color: var(--apex-ink);
    --bs-body-color-rgb: 14, 17, 22;
    --bs-body-bg: var(--apex-bg);
    --bs-body-bg-rgb: 244, 245, 247;
    --bs-emphasis-color: var(--apex-ink);
    --bs-secondary-color: var(--apex-ink-3);
    --bs-secondary-bg: var(--apex-surface-2);
    --bs-tertiary-bg: var(--apex-surface-2);
    --bs-heading-color: var(--apex-ink);
    --bs-border-color: var(--apex-line);
    --bs-border-radius: 0.625rem;
    --bs-border-radius-sm: 0.5rem;
    --bs-border-radius-lg: 0.875rem;

    --bs-primary: var(--apex-signal);
    --bs-primary-rgb: var(--apex-signal-rgb);
    --bs-primary-text-emphasis: var(--apex-signal-hover);
    --bs-primary-bg-subtle: var(--apex-signal-soft);
    --bs-primary-border-subtle: #F2C6BF;
    --bs-link-color: var(--apex-signal);
    --bs-link-color-rgb: var(--apex-signal-rgb);
    --bs-link-hover-color: var(--apex-signal-hover);
    --bs-link-hover-color-rgb: 173, 43, 25;
    --bs-focus-ring-color: rgba(var(--apex-signal-rgb), 0.25);

    --bs-success-text-emphasis: var(--apex-ok);
    --bs-success-bg-subtle: var(--apex-ok-soft);
    --bs-success-border-subtle: #BFE0CD;
    --bs-warning-text-emphasis: var(--apex-warn);
    --bs-warning-bg-subtle: var(--apex-warn-soft);
    --bs-warning-border-subtle: #F1D9AE;
    --bs-danger-text-emphasis: var(--apex-danger);
    --bs-danger-bg-subtle: var(--apex-danger-soft);
    --bs-danger-border-subtle: #F4C3BE;
    --bs-info-text-emphasis: var(--apex-info);
    --bs-info-bg-subtle: var(--apex-info-soft);
    --bs-info-border-subtle: #C3D6F1;
    --bs-secondary-text-emphasis: var(--apex-ink-2);
    --bs-secondary-bg-subtle: var(--apex-surface-2);
    --bs-secondary-border-subtle: var(--apex-line);
}

[data-bs-theme=dark] {
    --apex-bg: #0C0E11;
    --apex-surface: #14171C;
    --apex-surface-2: #1B1F25;
    --apex-line: #272C34;
    --apex-ink: #ECEEF1;
    --apex-ink-2: #B4BBC5;
    --apex-ink-3: #959DA8;
    --apex-signal: #FF5B45;
    --apex-signal-rgb: 255, 91, 69;
    --apex-signal-hover: #FF7A68;
    --apex-signal-ink: #1A0805;
    --apex-signal-soft: #33160F;
    --apex-ok: #4FC98E;
    --apex-ok-soft: #0F261B;
    --apex-warn: #EDB04A;
    --apex-warn-soft: #2B2110;
    --apex-danger: #FF7B6E;
    --apex-danger-soft: #331412;
    --apex-info: #7FB0F5;
    --apex-info-soft: #122236;

    --bs-body-color: var(--apex-ink);
    --bs-body-color-rgb: 236, 238, 241;
    --bs-body-bg: var(--apex-bg);
    --bs-body-bg-rgb: 12, 14, 17;
    --bs-emphasis-color: var(--apex-ink);
    --bs-secondary-color: var(--apex-ink-3);
    --bs-secondary-bg: var(--apex-surface-2);
    --bs-tertiary-bg: var(--apex-surface-2);
    --bs-heading-color: var(--apex-ink);
    --bs-border-color: var(--apex-line);
    --bs-primary: var(--apex-signal);
    --bs-primary-rgb: var(--apex-signal-rgb);
    --bs-primary-text-emphasis: var(--apex-signal-hover);
    --bs-primary-bg-subtle: var(--apex-signal-soft);
    --bs-primary-border-subtle: #5A2419;
    --bs-link-color: var(--apex-signal);
    --bs-link-color-rgb: var(--apex-signal-rgb);
    --bs-link-hover-color: var(--apex-signal-hover);
    --bs-link-hover-color-rgb: 255, 122, 104;
    --bs-success-text-emphasis: var(--apex-ok);
    --bs-success-bg-subtle: var(--apex-ok-soft);
    --bs-success-border-subtle: #1C4A33;
    --bs-warning-text-emphasis: var(--apex-warn);
    --bs-warning-bg-subtle: var(--apex-warn-soft);
    --bs-warning-border-subtle: #574119;
    --bs-danger-text-emphasis: var(--apex-danger);
    --bs-danger-bg-subtle: var(--apex-danger-soft);
    --bs-danger-border-subtle: #5E2420;
    --bs-info-text-emphasis: var(--apex-info);
    --bs-info-bg-subtle: var(--apex-info-soft);
    --bs-info-border-subtle: #22416A;
    --bs-secondary-text-emphasis: var(--apex-ink-2);
    --bs-secondary-bg-subtle: var(--apex-surface-2);
    --bs-secondary-border-subtle: var(--apex-line);
}

/* ---------- base ---------- */

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* page titles (h1.h3 on every page) */
main h1.h3 {
    font-size: 1.875rem;
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 1.25rem !important;
}

/* card titles */
.card .h5 {
    font-size: 1.0625rem;
}

.card .h6 {
    font-family: var(--bs-font-monospace);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--apex-ink-3);
}


/* ---------- own helpers ---------- */

/* small uppercase label above titles */
.apex-eyebrow {
    font-family: var(--bs-font-monospace);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--apex-ink-3);
}

/* positions, times, points, multipliers */
.apex-mono {
    font-family: var(--bs-font-monospace);
    font-variant-numeric: tabular-nums;
}

/* the logo mark: two kerb stripes */
.apex-mark {
    flex: none;
}

.apex-mark .kerb-signal {
    fill: var(--apex-signal);
}

.apex-mark .kerb-ink {
    fill: var(--apex-ink);
}

/* ---------- top bar (US-11.3) ---------- */

.apex-topbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    height: var(--apex-topbar-h);
    padding: 0 1.5rem;
    background: var(--apex-surface);
    border-bottom: 1px solid var(--apex-line);
}

.apex-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
    color: var(--apex-ink);
    text-decoration: none;
}

.apex-brand:hover {
    color: var(--apex-ink);
}

/* square icon button with a 44px hit area (menu, collapse) */
.apex-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 0;
    border-radius: var(--bs-border-radius);
    background: transparent;
    color: var(--apex-ink-2);
}

.apex-icon-btn:hover {
    background: var(--apex-surface-2);
    color: var(--apex-ink);
}

.apex-icon {
    flex: none;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ---------- navigation bar (feature 11, design.md 5.2) ---------- */

:root {
    --apex-topbar-h: 3.75rem;
    --apex-nav-w: 248px;
}

.apex-nav-collapsed {
    --apex-nav-w: 72px;
}

.apex-sidebar {
    position: fixed;
    top: var(--apex-topbar-h);
    bottom: 0;
    left: 0;
    z-index: 1020;
    width: var(--apex-nav-w);
    background: var(--apex-surface);
    border-right: 1px solid var(--apex-line);
}

.apex-sidebar-panel {
    --bs-offcanvas-bg: var(--apex-surface);
    --bs-offcanvas-color: var(--apex-ink);
    --bs-offcanvas-width: 280px;
    --bs-offcanvas-border-color: var(--apex-line);
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.25rem 0.875rem;
    overflow-y: auto;
}

.apex-sidebar-panel .offcanvas-header {
    justify-content: space-between;
    padding: 0 0 0.75rem 0.75rem;
}

.apex-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.apex-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 2.75rem;
    padding: 0 0.75rem;
    border-radius: var(--bs-border-radius);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--apex-ink-2);
    text-decoration: none;
    white-space: nowrap;
}

.apex-nav-item:hover,
.apex-nav-item:focus-visible {
    background: var(--apex-surface-2);
    color: var(--apex-ink);
}

.apex-nav-item.active {
    background: var(--apex-surface-2);
    color: var(--apex-ink);
    font-weight: 600;
}

/* only the icon of the active entry is red */
.apex-nav-item.active .apex-icon {
    color: var(--apex-signal);
}

.apex-nav-section {
    padding: 1.25rem 0.75rem 0.375rem;
}

.apex-sidebar-foot {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--apex-line);
}

/* light/dark switch: moon, "Dunkel", 36×20 track with a 16px knob */
.apex-theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    min-height: 2.75rem;
    padding: 0 0.75rem;
    border: 0;
    border-radius: var(--bs-border-radius);
    background: transparent;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--apex-ink-2);
    text-align: left;
}

.apex-theme-toggle:hover {
    background: var(--apex-surface-2);
    color: var(--apex-ink);
}

.apex-switch {
    position: relative;
    flex: none;
    width: 36px;
    height: 20px;
    margin-left: auto;
    border-radius: 999px;
    background: var(--apex-line);
    transition: background-color 0.15s;
}

.apex-switch::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--apex-surface);
    transition: transform 0.15s;
}

.apex-theme-toggle[aria-pressed=true] .apex-switch {
    background: var(--apex-signal);
}

.apex-theme-toggle[aria-pressed=true] .apex-switch::after {
    transform: translateX(16px);
}

.apex-sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.apex-user {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex: 1;
    min-width: 0;
    min-height: 2.75rem;
    padding: 0 0.75rem;
    border-radius: var(--bs-border-radius);
    color: var(--apex-ink);
    font-weight: 600;
    text-decoration: none;
}

.apex-user:hover {
    background: var(--apex-surface-2);
    color: var(--apex-ink);
}

.apex-user .apex-nav-label {
    overflow: hidden;
    text-overflow: ellipsis;
}

.apex-sidebar .color-swatch {
    flex: none;
    width: 12px;
    height: 12px;
    margin: 0;
}

/* collapse button only with JavaScript, which keeps the state (US-11.5) */
.apex-collapse-btn {
    display: none;
}

/* main area next to the bar */
.apex-sidebar ~ main {
    margin-left: var(--apex-nav-w);
    margin-right: 0;
    width: auto;
    max-width: min(100% - var(--apex-nav-w), var(--apex-main-max, 1184px));
    padding: 1.75rem 2rem 3rem;
}

@media (min-width: 768px) {
    .apex-js .apex-collapse-btn {
        display: inline-flex;
    }

    .apex-nav-collapsed .apex-collapse-btn .apex-icon {
        transform: scaleX(-1);
    }

    /* collapsed: icons only; labels stay for screen readers, the title attribute is the tooltip */
    .apex-nav-collapsed .apex-nav-label,
    .apex-nav-collapsed .apex-switch {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
    }

    .apex-nav-collapsed .apex-nav-section {
        height: 1px;
        margin: 0.75rem 0.75rem;
        padding: 0;
        overflow: hidden;
        color: transparent;
        background: var(--apex-line);
    }

    .apex-nav-collapsed .apex-nav-item,
    .apex-nav-collapsed .apex-theme-toggle,
    .apex-nav-collapsed .apex-user {
        justify-content: center;
        padding: 0;
    }

    .apex-nav-collapsed .apex-sidebar-user {
        flex-direction: column;
    }

    .apex-nav-collapsed .apex-user {
        width: 100%;
        flex: none;
    }

    .apex-nav-collapsed .apex-sidebar .color-swatch {
        width: 16px;
        height: 16px;
    }
}

/* smartphone: the bar slides in from the left (offcanvas), the content takes the full width */
@media (max-width: 767.98px) {
    .apex-topbar {
        padding: 0 1rem 0 0.5rem;
    }

    .apex-topbar .btn-sm {
        min-height: 2.25rem;
    }

    .apex-sidebar {
        display: contents;
    }

    .apex-sidebar ~ main {
        margin-left: 0;
        max-width: none;
        padding: 1rem;
    }
}

/* ---------- cards ---------- */

.card {
    --bs-card-bg: var(--apex-surface);
    --bs-card-border-color: var(--apex-line);
    --bs-card-border-radius: 0.875rem;
    --bs-card-inner-border-radius: calc(0.875rem - 1px);
    --bs-card-spacer-y: 1.375rem;
    --bs-card-spacer-x: 1.5rem;
    --bs-card-cap-bg: var(--apex-surface-2);
}

.card.shadow-sm {
    box-shadow: none !important;
}

/* ---------- buttons ---------- */

.btn {
    --bs-btn-font-weight: 600;
    --bs-btn-padding-x: 1.125rem;
    --bs-btn-padding-y: 0.5625rem;
    --bs-btn-font-size: 0.875rem;
    --bs-btn-border-radius: var(--bs-border-radius);
}

.btn-sm {
    --bs-btn-padding-x: 0.75rem;
    --bs-btn-padding-y: 0.3125rem;
    --bs-btn-font-size: 0.8125rem;
}

.btn-primary {
    --bs-btn-color: var(--apex-signal-ink);
    --bs-btn-bg: var(--apex-signal);
    --bs-btn-border-color: var(--apex-signal);
    --bs-btn-hover-color: var(--apex-signal-ink);
    --bs-btn-hover-bg: var(--apex-signal-hover);
    --bs-btn-hover-border-color: var(--apex-signal-hover);
    --bs-btn-active-color: var(--apex-signal-ink);
    --bs-btn-active-bg: var(--apex-signal-hover);
    --bs-btn-active-border-color: var(--apex-signal-hover);
    --bs-btn-disabled-color: var(--apex-signal-ink);
    --bs-btn-disabled-bg: var(--apex-signal);
    --bs-btn-disabled-border-color: var(--apex-signal);
    --bs-btn-focus-shadow-rgb: var(--apex-signal-rgb);
}

.btn-outline-primary {
    --bs-btn-color: var(--apex-signal);
    --bs-btn-border-color: var(--apex-signal);
    --bs-btn-hover-color: var(--apex-signal-ink);
    --bs-btn-hover-bg: var(--apex-signal);
    --bs-btn-hover-border-color: var(--apex-signal);
    --bs-btn-active-color: var(--apex-signal-ink);
    --bs-btn-active-bg: var(--apex-signal-hover);
    --bs-btn-active-border-color: var(--apex-signal-hover);
    --bs-btn-focus-shadow-rgb: var(--apex-signal-rgb);
}

/* secondary actions: quiet outline */
.btn-outline-secondary {
    --bs-btn-color: var(--apex-ink);
    --bs-btn-border-color: var(--apex-line);
    --bs-btn-hover-color: var(--apex-ink);
    --bs-btn-hover-bg: var(--apex-surface-2);
    --bs-btn-hover-border-color: var(--apex-line);
    --bs-btn-active-color: var(--apex-ink);
    --bs-btn-active-bg: var(--apex-surface-2);
    --bs-btn-active-border-color: var(--apex-ink-3);
    --bs-btn-bg: transparent;
}

.btn-outline-success {
    --bs-btn-color: var(--apex-ok);
    --bs-btn-border-color: var(--apex-ok);
    --bs-btn-hover-color: #FFFFFF;
    --bs-btn-hover-bg: var(--apex-ok);
    --bs-btn-hover-border-color: var(--apex-ok);
    --bs-btn-active-bg: var(--apex-ok);
    --bs-btn-active-border-color: var(--apex-ok);
}

.btn-outline-danger {
    --bs-btn-color: var(--apex-danger);
    --bs-btn-border-color: var(--apex-danger);
    --bs-btn-hover-color: #FFFFFF;
    --bs-btn-hover-bg: var(--apex-danger);
    --bs-btn-hover-border-color: var(--apex-danger);
    --bs-btn-active-bg: var(--apex-danger);
    --bs-btn-active-border-color: var(--apex-danger);
}

.btn-link {
    --bs-btn-color: var(--apex-signal);
    --bs-btn-hover-color: var(--apex-signal-hover);
    --bs-btn-font-weight: 500;
}

/* ---------- badges: soft pills ---------- */

.badge {
    --bs-badge-font-size: 0.75rem;
    --bs-badge-font-weight: 600;
    --bs-badge-padding-x: 0.625rem;
    --bs-badge-padding-y: 0.3125rem;
    --bs-badge-border-radius: 999px;
}

.badge.text-bg-success {
    background-color: var(--apex-ok-soft) !important;
    color: var(--apex-ok) !important;
}

.badge.text-bg-warning {
    background-color: var(--apex-warn-soft) !important;
    color: var(--apex-warn) !important;
}

.badge.text-bg-danger {
    background-color: var(--apex-danger-soft) !important;
    color: var(--apex-danger) !important;
}

.badge.text-bg-secondary {
    background-color: var(--apex-surface-2) !important;
    color: var(--apex-ink-3) !important;
}

.badge.text-bg-primary {
    background-color: var(--apex-signal-soft) !important;
    color: var(--apex-signal) !important;
}

/* ---------- alerts ---------- */

.alert {
    --bs-alert-border-radius: var(--bs-border-radius);
    --bs-alert-padding-x: 1.125rem;
    --bs-alert-padding-y: 0.875rem;
    border-width: 0;
}

.alert-secondary {
    --bs-alert-bg: var(--apex-surface-2);
    --bs-alert-color: var(--apex-ink-2);
}

.alert strong {
    color: var(--apex-ink);
}

/* ---------- tables: timing-screen style ---------- */

.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--apex-ink);
    --bs-table-border-color: var(--apex-line);
    --bs-table-hover-bg: var(--apex-surface-2);
    --bs-table-hover-color: var(--apex-ink);
    --bs-table-striped-bg: var(--apex-surface-2);
    font-variant-numeric: tabular-nums;
}

.table > thead th {
    font-family: var(--bs-font-monospace);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--apex-ink-3);
    white-space: nowrap;
}

.table-sm > :not(caption) > * > * {
    padding: 0.5rem 0.625rem;
}

.table > tbody > tr:last-child > * {
    border-bottom-width: 0;
}

/* ---------- forms ---------- */

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--apex-ink-2);
}

.form-control,
.form-select {
    background-color: var(--apex-surface);
    border-color: var(--apex-line);
    color: var(--apex-ink);
    padding-top: 0.5625rem;
    padding-bottom: 0.5625rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--apex-signal);
    box-shadow: 0 0 0 0.2rem rgba(var(--apex-signal-rgb), 0.18);
}

.form-check-input:checked {
    background-color: var(--apex-signal);
    border-color: var(--apex-signal);
}

.form-check-input:focus {
    border-color: var(--apex-signal);
    box-shadow: 0 0 0 0.2rem rgba(var(--apex-signal-rgb), 0.18);
}

.form-control-color {
    padding: 0.25rem;
}

/*
 * Form icons as own files: Bootstrap embeds them as data: SVGs, which the CSP (default-src 'self')
 * blocks. A background image cannot take CSS variables, so each icon exists once per mode in the
 * colour of its token (design.md 5.17). Absolute paths: a relative url() inside a custom property
 * resolves against bootstrap.css, where the property is used.
 */
.form-select {
    --bs-form-select-bg-img: url("/css/icons/select-arrow-light.svg");
}

.form-check-input:checked[type=checkbox] {
    --bs-form-check-bg-image: url("/css/icons/check-light.svg");
}

.form-check-input:checked[type=radio] {
    --bs-form-check-bg-image: url("/css/icons/radio-light.svg");
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    background-image: url("/css/icons/invalid-light.svg");
}

.was-validated .form-select:invalid:not([multiple]):not([size]),
.was-validated .form-select:invalid:not([multiple])[size="1"],
.form-select.is-invalid:not([multiple]):not([size]),
.form-select.is-invalid:not([multiple])[size="1"] {
    --bs-form-select-bg-icon: url("/css/icons/invalid-light.svg");
}

[data-bs-theme=dark] .form-select {
    --bs-form-select-bg-img: url("/css/icons/select-arrow-dark.svg");
}

[data-bs-theme=dark] .form-check-input:checked[type=checkbox] {
    --bs-form-check-bg-image: url("/css/icons/check-dark.svg");
}

[data-bs-theme=dark] .form-check-input:checked[type=radio] {
    --bs-form-check-bg-image: url("/css/icons/radio-dark.svg");
}

[data-bs-theme=dark] .was-validated .form-control:invalid,
[data-bs-theme=dark] .form-control.is-invalid {
    background-image: url("/css/icons/invalid-dark.svg");
}

[data-bs-theme=dark] .was-validated .form-select:invalid:not([multiple]):not([size]),
[data-bs-theme=dark] .was-validated .form-select:invalid:not([multiple])[size="1"],
[data-bs-theme=dark] .form-select.is-invalid:not([multiple]):not([size]),
[data-bs-theme=dark] .form-select.is-invalid:not([multiple])[size="1"] {
    --bs-form-select-bg-icon: url("/css/icons/invalid-dark.svg");
}

/* ---------- list groups ---------- */

.list-group {
    --bs-list-group-bg: transparent;
    --bs-list-group-border-color: var(--apex-line);
    --bs-list-group-color: var(--apex-ink);
}

/* ---------- auth pages ---------- */

.auth-card {
    max-width: 26rem;
    margin: 4rem auto;
}

.auth-brand .apex-mark {
    width: 30px;
    height: 22px;
}

.auth-brand-name {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.totp-secret {
    font-family: var(--bs-font-monospace);
    letter-spacing: 0.08em;
    word-break: break-all;
}

.totp-qr {
    width: 240px;
    height: 240px;
}

.admin-narrow {
    --apex-main-max: calc(40rem + 4rem);
    max-width: 40rem;
}

.initial-password {
    font-family: var(--bs-font-monospace);
    font-size: 1.25rem;
    letter-spacing: 0.08em;
    word-break: break-all;
}

/* the user's colour as a small dot next to the username */
.color-swatch {
    vertical-align: 0;
    margin-right: 0.25rem;
}

.profile {
    --apex-main-max: calc(40rem + 4rem);
    max-width: 40rem;
}

/* ---------- tip form (06): P1-P6 as a staggered starting grid ---------- */

.tip-grid .form-label {
    font-family: var(--bs-font-monospace);
    font-size: 0.75rem;
    font-weight: 600;
}

.tip-grid > :first-child .form-label {
    color: var(--apex-signal);
}

@media (min-width: 768px) {
    .tip-grid {
        padding-bottom: 1.5rem;
    }

    .tip-grid > :nth-child(even) {
        position: relative;
        top: 1.5rem;
    }
}

.own-tip ol {
    font-family: var(--bs-font-monospace);
    font-weight: 600;
}

.own-tip ol li::marker {
    color: var(--apex-ink-3);
    font-weight: 500;
}

.current-multiplier {
    font-family: var(--bs-font-monospace);
}

/* points progression (US-08.3): the chart fills this box */
.points-chart {
    position: relative;
    height: 320px;
}

/* ---------- dashboard (feature 09, design.md 5.6–5.15, 6.2) ---------- */

.dashboard {
    --apex-main-max: calc(70rem + 4rem);
    max-width: 70rem;
}

.apex-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr));
    gap: 1.25rem;
    align-items: start;
}

.apex-span-all {
    grid-column: 1 / -1;
}

/*
 * Two columns (design.md 6.2): B3 spans two rows on the left; on the right B1 and below it the
 * notifications, which end exactly where B3 ends. B2 follows over the full width. An open TID
 * choice comes first, over the full width. The markup order stays the smartphone order.
 */
.dashboard {
    container-type: inline-size;
}

@container (min-width: 900px) {
    /* the row of the notifications is flexible: it takes what B3 needs beyond B1, nothing in between */
    .apex-dashboard {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: auto 1fr auto;
    }

    .apex-dashboard:has(> .is-tid-choice) {
        grid-template-rows: auto auto 1fr auto;
    }

    .apex-dashboard > .apex-race {
        grid-column: 1;
        grid-row: 1 / span 2;
    }

    .apex-dashboard > .apex-quick-tip {
        grid-column: 2;
        grid-row: 1;
    }

    .apex-dashboard > .apex-notifications {
        grid-column: 2;
        grid-row: 2;
        align-self: stretch;
        min-height: 16rem;
    }

    .apex-dashboard > .apex-field {
        grid-column: 1 / -1;
        grid-row: 3;
    }

    .apex-dashboard:has(> .is-tid-choice) > .apex-field {
        grid-row: 1;
    }

    /* open TID choice: first row, everything else moves down by one row */
    .apex-dashboard:has(> .is-tid-choice) > .apex-race {
        grid-row: 2 / span 2;
    }

    .apex-dashboard:has(> .is-tid-choice) > .apex-quick-tip {
        grid-row: 2;
    }

    .apex-dashboard:has(> .is-tid-choice) > .apex-notifications {
        grid-row: 3;
    }

    /* the list fills the card down to the end of B3 and scrolls; its own height does not count */
    .apex-dashboard > .apex-notifications .card-body {
        display: flex;
        flex-direction: column;
        min-height: 0;
    }

    .apex-dashboard > .apex-notifications .apex-notices {
        flex: 1 1 0;
        min-height: 0;
        max-height: none;
        contain: size;
    }
}

/*
 * TID choice (design.md 5.21): the teams as selectable tiles in a grid, so the card stays flat over
 * the full width. The radio itself is hidden; the label is the tile and shows the choice.
 */
.tid-teams {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
    gap: 0.5rem;
    border: 0;
    padding: 0;
}

.tid-teams .form-check {
    position: relative;
    margin: 0;
    padding: 0;
    min-height: 0;
}

.tid-teams .form-check-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: pointer;
}

.tid-teams .form-check-label {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 0.875rem;
    border: 1px solid var(--apex-line);
    border-radius: 0.625rem;
    background: var(--apex-surface);
    color: var(--apex-ink-2);
    font-weight: 500;
}

.tid-teams .form-check:hover .form-check-label {
    background: var(--apex-surface-2);
    color: var(--apex-ink);
}

.tid-teams .form-check-input:checked + .form-check-label {
    border-color: var(--apex-signal);
    background: var(--apex-signal-soft);
    color: var(--apex-ink);
    font-weight: 600;
}

.tid-teams .form-check-input:focus-visible + .form-check-label {
    box-shadow: 0 0 0 0.2rem rgba(var(--apex-signal-rgb), 0.18);
}

/* smartphone and one column: an open TID choice comes first */
.apex-dashboard > .apex-field.is-tid-choice {
    order: -1;
}

/* card head: title left, status or key figure right */
.apex-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.apex-meta {
    font-size: 0.8125rem;
    color: var(--apex-ink-3);
}

.apex-name {
    font-weight: 600;
    color: var(--apex-ink);
}

.apex-stat {
    font-family: var(--bs-font-monospace);
    font-variant-numeric: tabular-nums;
    font-size: 1.875rem;
    line-height: 1;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--apex-ink);
}

.apex-stat-box {
    text-align: right;
}

.apex-stat-box .apex-meta {
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.apex-icon-sm {
    width: 16px;
    height: 16px;
}

/*
 * Links (design.md 5.20, variant L3): name in text colour, no underline, a grey arrow that turns
 * signal on hover. Back links are small secondary buttons above the page title (.apex-back).
 */
.apex-link {
    display: inline-flex;
    align-items: baseline;
    gap: 0.375rem;
    color: var(--apex-ink);
    font-weight: 600;
    text-decoration: none;
}

.apex-link::after {
    content: "\2192";
    font-family: var(--bs-font-monospace);
    font-weight: 500;
    color: var(--apex-ink-3);
    transition: color 0.15s ease, transform 0.15s ease;
}

.apex-link:hover,
.apex-link:focus-visible {
    color: var(--apex-ink);
}

.apex-link:hover::after,
.apex-link:focus-visible::after {
    color: var(--apex-signal);
    transform: translateX(2px);
}

.apex-back {
    margin-bottom: 0.75rem;
}

@media (prefers-reduced-motion: reduce) {
    .apex-link::after {
        transition: none;
    }

    .apex-link:hover::after,
    .apex-link:focus-visible::after {
        transform: none;
    }
}

/*
 * Status pills (design.md 5.5): one label and one colour per status on every page, rendered only
 * by fragments/status.html. Race statuses carry a 7px dot in the full colour.
 */
.apex-status {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0.25rem 0.625rem;
    background: var(--apex-surface-2);
    color: var(--apex-ink-3);
}

.apex-status::before {
    content: "";
    flex: none;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
}

/* race (RaceDisplayStatus) */
.apex-status.is-pre {
    background: var(--apex-surface);
    border-color: var(--apex-line);
    color: var(--apex-ink-2);
}

.apex-status.is-planned,
.apex-status.is-locked {
    background: var(--apex-surface-2);
    color: var(--apex-ink-3);
}

.apex-status.is-tid {
    background: var(--apex-info-soft);
    color: var(--apex-info);
}

.apex-status.is-open {
    background: var(--apex-warn-soft);
    color: var(--apex-warn);
}

.apex-status.is-done {
    background: var(--apex-ok-soft);
    color: var(--apex-ok);
}

.apex-status.is-cancelled {
    background: var(--apex-danger-soft);
    color: var(--apex-danger);
}

/* retroactive change: open = dot, confirmed = tick, rejected = no mark */
.apex-status.is-pending {
    background: var(--apex-warn-soft);
    color: var(--apex-warn);
}

.apex-status.is-confirmed {
    background: var(--apex-ok-soft);
    color: var(--apex-ok);
}

.apex-status.is-confirmed::before {
    content: "\2713";
    width: auto;
    height: auto;
    border-radius: 0;
    background: none;
    font-size: 0.75rem;
    line-height: 1;
}

.apex-status.is-rejected::before {
    content: none;
}

/* rows with a line on top (design.md 5.10, 5.13) */
.apex-rows {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.apex-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0;
    border-top: 1px solid var(--apex-line);
}

.apex-tipped {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8125rem;
    color: var(--apex-ok);
}

/* ---------- race head and sessions (design.md 5.13) ---------- */

.apex-race-title {
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0.25rem 0 0.125rem;
}

.apex-race-circuit {
    font-size: 0.875rem;
    color: var(--apex-ink-3);
}

.apex-race-badges {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.375rem;
    flex: none;
}

.apex-tid-box {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: 0.625rem;
    background: var(--apex-surface-2);
}

.apex-tid-box .color-swatch {
    width: 7px;
    height: 7px;
}

.apex-session-race {
    font-weight: 600;
    color: var(--apex-ink);
}

.apex-session-time {
    font-size: 0.8125rem;
    color: var(--apex-ink-2);
}

.apex-session-race .apex-session-time {
    color: var(--apex-ink);
}

/* ---------- deadlines as sector bar (design.md 5.6) ---------- */

.apex-deadlines-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.apex-deadlines-next {
    font-size: 0.8125rem;
    color: var(--apex-ink-2);
}

.apex-deadlines-next strong {
    color: var(--apex-ink);
    font-weight: 600;
}

.apex-sectors {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    list-style: none;
    padding: 0;
    margin: 0 0 0.5rem;
}

.apex-sector {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
}

.apex-sector-bar {
    height: 4px;
    border-radius: 2px;
    margin-bottom: 0.375rem;
    background: var(--apex-line);
}

.apex-sector-label {
    font-family: var(--bs-font-monospace);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--apex-ink-2);
}

.apex-sector-time {
    font-size: 0.75rem;
    color: var(--apex-ink-3);
}

.apex-sector.is-done .apex-sector-bar {
    background: var(--apex-ink-3);
    opacity: 0.45;
}

.apex-sector.is-done .apex-sector-label {
    color: var(--apex-ink-3);
}

.apex-sector.is-current .apex-sector-bar {
    background: var(--apex-signal);
}

.apex-sector.is-current .apex-sector-label {
    color: var(--apex-signal);
    font-weight: 600;
}

.apex-sector.is-current .apex-sector-time {
    color: var(--apex-ink);
}

/* ---------- saved tip as position chips (design.md 5.9) ---------- */

.apex-pos-chips {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0 0 8px;
}

.apex-pos-chip {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--apex-line);
    border-radius: 0.625rem;
}

.apex-pos-label {
    font-family: var(--bs-font-monospace);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--apex-ink-3);
    min-width: 22px;
}

.apex-pos-chip:first-child .apex-pos-label {
    color: var(--apex-signal);
}

/*
 * Compact tip card on the dashboard (design.md 5.22, participants only): the notifications below
 * keep room for at least three entries. Labels sit left of the fields, TID driver and save button
 * share one row, the multiplier is one line in the card head. The tip page keeps the full form.
 */
.apex-tip-phase {
    text-align: right;
}

.apex-tip-head-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.apex-quick-tip .tip-form > .alert-secondary {
    display: none;
}

.apex-quick-tip .apex-pos-chips {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 6px;
}

.apex-quick-tip .apex-pos-chip,
.apex-quick-tip .apex-chips .apex-tid-box {
    padding: 0.375rem 0.75rem;
}

@media (min-width: 768px) {
    .apex-quick-tip .tip-form {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        column-gap: 0.75rem;
        align-items: center;
    }

    .apex-quick-tip .tip-form > * {
        grid-column: 1 / -1;
    }

    .apex-quick-tip .tip-form > .tip-tid {
        grid-column: 1;
        margin-bottom: 0 !important;
    }

    .apex-quick-tip .tip-form > .btn-primary {
        grid-column: 2;
    }

    .apex-quick-tip .tip-grid {
        --bs-gutter-y: 0.25rem;
        margin-bottom: 0.5rem !important;
        padding-bottom: 1rem;
    }

    .apex-quick-tip .tip-grid > :nth-child(even) {
        top: 1rem;
    }

    .apex-quick-tip .tip-grid > div,
    .apex-quick-tip .tip-tid {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .apex-quick-tip .tip-grid .form-label,
    .apex-quick-tip .tip-tid .form-label {
        flex: none;
        margin: 0;
        font-family: var(--bs-font-monospace);
        font-size: 0.75rem;
        font-weight: 600;
    }

    .apex-quick-tip .tip-grid .form-label {
        width: 1.75rem;
    }

    .apex-quick-tip .tip-form .form-select {
        min-width: 0;
        padding-top: 0.375rem;
        padding-bottom: 0.375rem;
        font-size: 0.8125rem;
    }

    .apex-quick-tip .tip-form > .btn-primary {
        --bs-btn-padding-y: 0.375rem;
    }
}

/* ---------- notifications (design.md 5.11) ---------- */

/* compact: about five entries visible, the rest scrolls inside the card */
.apex-notices {
    display: flex;
    flex-direction: column;
    gap: 4px;
    list-style: none;
    padding: 0 0.25rem 0 0;
    margin: 0;
    max-height: 22rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: var(--apex-line) transparent;
}

.apex-notice {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 0.875rem;
    border-radius: 0.625rem;
    font-size: 0.875rem;
    color: var(--apex-ink-2);
}

.apex-notice-dot {
    flex: none;
    width: 8px;
    height: 8px;
    margin-top: 0.4rem;
    border-radius: 50%;
    background: transparent;
}

.apex-notice.is-unread {
    color: var(--apex-ink);
}

.apex-notice.is-unread .apex-notice-dot {
    background: var(--apex-signal);
}

.apex-notice .color-swatch {
    width: 7px;
    height: 7px;
    margin-right: 0.375rem;
}

.apex-notice.is-alert {
    background: var(--apex-warn-soft);
    color: var(--apex-ink);
    font-weight: 600;
}

.apex-icon-alert {
    color: var(--apex-warn);
    margin-top: 0.05rem;
}

.apex-notice-details {
    margin: 0.25rem 0 0;
    padding-left: 1rem;
    font-family: var(--bs-font-monospace);
    font-size: 0.75rem;
    font-weight: 500;
}

.apex-notice-meta {
    margin-top: 0.125rem;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--apex-ink-3);
}

/* ---------- points progression with ranking (design.md 5.14) ---------- */

.apex-progress-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 15rem;
    gap: 1.25rem;
    align-items: start;
}

.apex-ranking {
    list-style: none;
    padding: 0;
    margin: 0;
}

.apex-ranking .apex-row:first-child {
    border-top: 0;
}

.apex-rank {
    display: inline-block;
    min-width: 2rem;
    font-size: 0.75rem;
    color: var(--apex-ink-3);
}

.apex-ranking .apex-name {
    font-weight: 500;
}

/* ---------- placeholder (design.md 5.15) ---------- */

.apex-placeholder {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.375rem 1.5rem;
    border: 1px dashed var(--apex-line);
    border-radius: 0.875rem;
    background: transparent;
}

.apex-icon-placeholder {
    width: 22px;
    height: 22px;
    color: var(--apex-ink-3);
}

.apex-placeholder-title {
    font-size: 0.9375rem;
    font-weight: 600;
}

/* ---------- results ticker (design.md 5.7, US-09.1) ---------- */

.apex-ticker {
    flex-direction: row;
    align-items: stretch;
    height: 52px;
    overflow: hidden;
}

.apex-ticker-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: none;
    padding: 0 1rem;
    background: var(--apex-surface-2);
    border-right: 1px solid var(--apex-line);
}

.apex-ticker-label .apex-eyebrow {
    color: var(--apex-ink-2);
}

/* chequered flag: 2×2 fields ink / line */
.apex-flag {
    flex: none;
}

.apex-flag .flag-ink {
    fill: var(--apex-ink);
}

.apex-flag .flag-line {
    fill: var(--apex-line);
}

.apex-ticker-empty {
    align-self: center;
    padding: 0 1.375rem;
    color: var(--apex-ink-3);
}

.apex-ticker-viewport {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    display: flex;
}

.apex-ticker-track {
    display: flex;
    width: max-content;
    animation: apex-ticker var(--apex-ticker-duration, 60s) linear infinite;
}

.apex-ticker:hover .apex-ticker-track,
.apex-ticker:active .apex-ticker-track,
.apex-ticker-viewport:focus-within .apex-ticker-track {
    animation-play-state: paused;
}

/* with ticker.js the viewport scrolls instead of the CSS animation: stops under the mouse and
   scrolls by hand (wheel, trackpad, dragging, swiping, arrow keys); the scrollbar stays hidden */
.apex-ticker.is-scripted .apex-ticker-track {
    animation: none;
}

.apex-ticker.is-scripted .apex-ticker-viewport {
    overflow-x: auto;
    scrollbar-width: none;
    cursor: grab;
}

.apex-ticker.is-scripted .apex-ticker-viewport::-webkit-scrollbar {
    display: none;
}

.apex-ticker.is-dragging .apex-ticker-viewport {
    cursor: grabbing;
    user-select: none;
}

.apex-ticker-copy {
    display: flex;
}

.apex-ticker-race {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.375rem;
    border-right: 1px solid var(--apex-line);
    white-space: nowrap;
}

.apex-ticker-gp {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--apex-ink);
    text-decoration: none;
    background: var(--apex-surface-2);
    border-radius: 6px;
    padding: 4px 10px;
}

.apex-ticker-gp:hover {
    color: var(--apex-signal);
}

.apex-ticker-entry {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--bs-font-monospace);
    font-size: 0.8125rem;
}

.apex-ticker-entry .color-swatch {
    width: 7px;
    height: 7px;
    margin: 0;
}

.apex-ticker-name {
    color: var(--apex-ink-2);
}

.apex-ticker-win {
    color: var(--apex-ink);
    font-weight: 600;
}

.apex-ticker-pts {
    color: var(--apex-ink);
    font-weight: 600;
}

/* the duration grows with the content (DashboardController.tickerSpeed), so the pace stays readable */
.apex-ticker-d1 { --apex-ticker-duration: 15s; }
.apex-ticker-d2 { --apex-ticker-duration: 30s; }
.apex-ticker-d3 { --apex-ticker-duration: 45s; }
.apex-ticker-d4 { --apex-ticker-duration: 60s; }
.apex-ticker-d5 { --apex-ticker-duration: 75s; }
.apex-ticker-d6 { --apex-ticker-duration: 90s; }
.apex-ticker-d7 { --apex-ticker-duration: 105s; }
.apex-ticker-d8 { --apex-ticker-duration: 120s; }
.apex-ticker-d9 { --apex-ticker-duration: 135s; }
.apex-ticker-d10 { --apex-ticker-duration: 150s; }
.apex-ticker-d11 { --apex-ticker-duration: 165s; }
.apex-ticker-d12 { --apex-ticker-duration: 180s; }

/* two copies of the content: moving by one copy gives a seamless loop from right to left */
@keyframes apex-ticker {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
    .apex-ticker-track {
        animation: none;
    }

    .apex-ticker-copy + .apex-ticker-copy {
        display: none;
    }

    .apex-ticker-viewport {
        overflow-x: auto;
    }
}

/* ---------- dashboard on the smartphone (design.md 6.4, NFR-12) ---------- */

@media (max-width: 767.98px) {
    .apex-dashboard {
        gap: 0.875rem;
    }

    .apex-dashboard .card {
        --bs-card-spacer-y: 1.125rem;
        --bs-card-spacer-x: 1.125rem;
    }

    .apex-ticker {
        height: 48px;
    }

    .apex-ticker-entry,
    .apex-ticker-gp {
        font-size: 0.75rem;
    }

    .apex-ticker-entry .color-swatch {
        width: 6px;
        height: 6px;
    }

    .apex-pos-chips {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }

    .apex-session-minor {
        display: none;
    }

    .apex-progress-body {
        grid-template-columns: 1fr;
    }

    .apex-quick-tip .btn-primary {
        width: 100%;
    }
}