/* --------------------------------------------------------------------------
   Scouting Central — responsive app shell (320px–1200px), outdoors palette
   Layout: CSS only (no JS). Mobile: bottom hamburger + sheet. Desktop: left nav.
   -------------------------------------------------------------------------- */

:root {
    /* Outdoors / trail palette */
    --color-bg: #f4f1e8;
    --color-bg-subtle: #e8e4d9;
    --color-surface: #ffffff;
    --color-text: #1a2e1f;
    --color-text-muted: #3d5240;
    --color-primary: #1e4d3b;
    --color-primary-elevated: #2a6b52;
    --color-on-primary: #f0f7f2;
    --color-accent: #8b5a2b;
    --color-accent-hover: #6d471f;
    --color-link: #0d4d3d;
    --color-link-hover: #062018;
    --color-border: #c4c0b4;
    --color-focus-ring: #1a5f7a;
    --shadow-soft: 0 2px 8px rgba(26, 46, 31, 0.08);
    --shadow-lift: 0 4px 20px rgba(26, 46, 31, 0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --sidebar-width: 16.25rem;
    --mobile-nav-height: 3.5rem;
    --content-max: 75rem;
    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
    --step-1: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
    --step-2: clamp(1.35rem, 1.2rem + 0.65vw, 1.65rem);
    --step-3: clamp(1.65rem, 1.35rem + 1.1vw, 2rem);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    overflow-x: clip;
}

body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    font-family: var(--font-sans);
    font-size: var(--step-0);
    line-height: 1.55;
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* Responsive images & media */
img,
picture,
video,
canvas,
svg {
    max-width: 100%;
    height: auto;
}

img {
    display: block;
}

/* Skip link */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0.5rem;
    z-index: 1000;
    padding: 0.65rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-on-primary);
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    text-decoration: none;
}

.skip-link:focus {
    left: 0.5rem;
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

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

/* --------------------------------------------------------------------------
   Flash messages (centralized, centered)
   -------------------------------------------------------------------------- */
.flash-messages {
    margin: 0 0 1.25rem;
    padding: 0;
}

.flash-messages .flash {
    margin: 0 0 0.5rem;
    padding: 0.65rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    line-height: 1.45;
}

.flash--error {
    color: #5c1a1a;
    background: #fde8e8;
    border: 1px solid #e07070;
}

.flash--success {
    color: #14532d;
    background: #dcfce7;
    border: 1px solid #3cb371;
}

.flash--info {
    color: #5c4a12;
    background: #fef3c7;
    border: 1px solid #d4a017;
}

/* Mobile menu toggle: checkbox inside bottom-bar label (keyboard + screen reader) */
.nav-bottom-toggle {
    position: relative;
}

.nav-bottom-toggle input[type="checkbox"] {
    position: absolute;
    inset: 0;
    z-index: 2;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: pointer;
}

.nav-bottom-toggle:focus-within {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 3px;
    border-radius: var(--radius-md);
}

.nav-bottom-toggle svg {
    position: relative;
    z-index: 0;
    pointer-events: none;
    width: 1.75rem;
    height: 1.75rem;
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   App shell
   -------------------------------------------------------------------------- */
.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.app-header {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 3.25rem;
    padding: 0.75rem min(1.25rem, 4vw);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

.app-header__brand {
    font-size: var(--step-1);
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.app-header__brand a {
    color: var(--color-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
}

.app-header__brand a:hover {
    color: var(--color-primary-elevated);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.app-header__brand a:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.app-body {
    display: flex;
    flex: 1;
    min-height: 0;
    min-width: 0;
}

/* Backdrop (mobile): closes menu when “clicked” */
.nav-backdrop {
    display: none;
}

/* --------------------------------------------------------------------------
   Sidebar + main
   -------------------------------------------------------------------------- */
.app-sidebar {
    flex-shrink: 0;
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.sidebar-panel {
    flex: 1;
    min-width: 0;
}

.sidebar-panel nav {
    padding: 1rem 0.75rem 1rem;
}

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

.nav-list a {
    display: block;
    padding: 0.65rem 0.85rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-on-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
}

.nav-list a:hover {
    background: rgba(255, 255, 255, 0.12);
}

.nav-list a:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 2px;
}

.nav-list a[aria-current="page"] {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
}

.nav-auth-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.5rem;
    padding: 0.65rem 0.85rem;
    font-size: 1rem;
    font-weight: 600;
}

.nav-auth-links a {
    display: inline;
    padding: 0.15rem 0.35rem;
}

.nav-auth-links__sep {
    color: rgba(255, 255, 255, 0.55);
    user-select: none;
}

.nav-group {
    margin-top: 0.25rem;
}

.nav-unit-picker {
    margin-top: 0.25rem;
}

.nav-unit-picker__single {
    display: block;
    padding: 0.5rem 0.85rem 0.35rem;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(240, 247, 242, 0.85);
}

.nav-unit-picker form {
    margin: 0;
}

.nav-unit-picker__option {
    display: block;
    width: 100%;
    padding: 0.5rem 0.85rem;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    text-align: left;
    color: var(--color-on-primary);
    background: transparent;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.nav-unit-picker__option:hover {
    background: rgba(255, 255, 255, 0.12);
}

.nav-unit-picker__option:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 2px;
}

.nav-unit-picker__option[aria-current="true"] {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
}

.nav-group__details {
    /* reset browser default */
}

.nav-group__details > summary {
    list-style: none;
    cursor: pointer;
}

.nav-group__details > summary::-webkit-details-marker {
    display: none;
}

.nav-group__label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0;
    padding: 0.5rem 0.85rem 0.35rem;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(240, 247, 242, 0.85);
    user-select: none;
}

.nav-group__label::after {
    content: '';
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid rgba(240, 247, 242, 0.6);
    border-bottom: 2px solid rgba(240, 247, 242, 0.6);
    transform: rotate(45deg);
    transition: transform 0.15s ease;
    flex-shrink: 0;
    margin-bottom: 0.1em;
}

.nav-group__details[open] > .nav-group__label::after {
    transform: rotate(-135deg);
    margin-bottom: -0.15em;
}

.nav-list--nested {
    margin: 0 0 0.25rem;
    padding: 0 0 0.25rem 0.65rem;
    border-left: 2px solid rgba(255, 255, 255, 0.25);
}

.nav-list--nested a {
    font-size: 0.9375rem;
    font-weight: 600;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.sidebar-brand {
    padding: 0 0.85rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.88;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 0.5rem;
}

.nav-bottom-bar {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: var(--mobile-nav-height);
    padding: 0.35rem min(1rem, 4vw);
    background: #163529;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.nav-bottom-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;
    min-height: 2.75rem;
    margin: 0;
    padding: 0;
    cursor: pointer;
    color: var(--color-on-primary);
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-radius: var(--radius-md);
}

.nav-bottom-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-bottom-toggle svg {
    display: block;
}

.app-content-column {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
}

.app-main {
    flex: 1;
    width: 100%;
    min-width: 0;
    padding: 1.25rem min(1.25rem, 4vw) 2rem;
    scroll-margin-top: 1rem;
}

.app-main :first-child {
    margin-top: 0;
}

.app-main h1 {
    font-size: var(--step-3);
    line-height: 1.2;
    color: var(--color-primary);
}

.app-main h2 {
    font-size: var(--step-2);
    line-height: 1.25;
    color: var(--color-primary-elevated);
}

.app-main a {
    color: var(--color-link);
    text-underline-offset: 0.18em;
}

.app-main a:hover {
    color: var(--color-link-hover);
}

.app-main a:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.app-footer {
    flex-shrink: 0;
    padding: 1rem min(1.25rem, 4vw);
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    background: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
}

.app-footer p {
    margin: 0;
}

.app-footer a {
    color: var(--color-link);
    font-weight: 600;
}

.app-footer a:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Unit registration — guest overlay blocks form interaction
   -------------------------------------------------------------------------- */
.unit-registration__form-panel {
    position: relative;
    width: 100%;
    max-width: min(28rem, 100%);
    margin-inline: auto;
}

.unit-registration__form-panel > form {
    width: 100%;
    max-width: none;
    margin-inline: 0;
    padding: 0;
}

.unit-registration__fields {
    margin: 0;
    padding: 0;
    border: 0;
    min-width: 0;
}

.unit-registration__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    padding: 1.5rem;
    text-align: center;
    background: rgba(244, 241, 232, 0.82);
    backdrop-filter: blur(3px);
    border-radius: var(--radius-md);
    box-shadow: inset 0 0 0 1px rgba(196, 192, 180, 0.55);
}

.unit-registration__overlay-message {
    margin: 0;
    max-width: 20rem;
    font-size: var(--step-1);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
}

.unit-registration__overlay-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    align-items: center;
}

.unit-registration__units {
    width: 100%;
    max-width: min(56rem, 100%);
    margin: 2.5rem auto 0;
    padding: 0 min(0.25rem, 2vw);
}

.unit-registration__units-heading {
    margin: 0 0 1rem;
    font-size: var(--step-2);
    font-weight: 700;
    color: var(--color-text);
}

/* --------------------------------------------------------------------------
   Membership — member list and sign-in prompt
   -------------------------------------------------------------------------- */
.membership__signin {
    width: 100%;
    max-width: min(28rem, 100%);
    margin-inline: auto;
    padding: 2rem 1.5rem;
    text-align: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.membership__signin-message {
    margin: 0 0 1.25rem;
    font-size: var(--step-1);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
}

.membership__signin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    align-items: center;
}

.membership__empty {
    margin: 0;
    font-size: var(--step-1);
    color: var(--color-text-muted);
}

.membership__list {
    width: 100%;
    max-width: min(56rem, 100%);
    margin: 0 auto;
    padding: 0 min(0.25rem, 2vw);
}

.membership__list-heading {
    margin: 0 0 1rem;
    font-size: var(--step-2);
    font-weight: 700;
    color: var(--color-text);
}

/* --------------------------------------------------------------------------
   Unit summary — membership stats, roster, member forms
   -------------------------------------------------------------------------- */
.unit-summary {
    width: 100%;
    max-width: min(56rem, 100%);
    margin: 0 auto;
    padding: 0 min(0.25rem, 2vw);
}

.unit-summary__subtitle {
    margin: 0.35rem 0 0;
    font-size: var(--step-0);
    color: var(--color-text-muted);
}

.unit-summary__section-heading {
    margin: 0 0 1rem;
    font-size: var(--step-2);
    font-weight: 700;
    color: var(--color-text);
}

.unit-summary__stats {
    margin-bottom: 2.5rem;
}

.unit-summary__stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
    gap: 1rem;
    margin: 0;
}

.unit-summary__stat {
    padding: 1rem 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.unit-summary__stat dt {
    margin: 0 0 0.35rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.unit-summary__stat dd {
    margin: 0;
    font-size: var(--step-2);
    font-weight: 700;
    color: var(--color-primary);
}

.unit-summary__add,
.unit-summary__roster,
.unit-summary__edit {
    margin-bottom: 2.5rem;
}

.unit-summary__add-note {
    margin: 0 0 1rem;
    font-size: var(--step-0);
    color: var(--color-text-muted);
}

.unit-summary__form-fields {
    width: 100%;
    max-width: min(28rem, 100%);
}

.unit-summary__form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.unit-summary__empty {
    margin: 0;
    color: var(--color-text-muted);
}

.unit-summary__restricted {
    color: var(--color-text-muted);
}

.unit-summary__form-fields fieldset {
    margin: 0 0 1.25rem;
    padding: 0;
    border: 0;
}

.unit-summary__form-fields fieldset > legend {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text);
}

.unit-summary__form-fields fieldset label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
    cursor: pointer;
}

.unit-summary__back {
    margin: 0;
    font-size: var(--step-0);
}

.unit-summary__back a {
    color: var(--color-link);
}

.unit-summary__table-wrap,
.membership__table-wrap,
.unit-registration__table-wrap {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
}

.unit-summary__table,
.membership__table,
.unit-registration__table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--step-0);
}

.unit-summary__table th,
.unit-summary__table td,
.membership__table th,
.membership__table td,
.unit-registration__table th,
.unit-registration__table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

.unit-summary__table th,
.membership__table th,
.unit-registration__table th {
    font-weight: 700;
    color: var(--color-text);
    background: var(--color-bg-subtle);
}

.unit-summary__table tbody tr:last-child td,
.membership__table tbody tr:last-child td,
.unit-registration__table tbody tr:last-child td {
    border-bottom: none;
}

.unit-summary__table tbody tr:hover,
.membership__table tbody tr:hover,
.unit-registration__table tbody tr:hover {
    background: rgba(30, 77, 59, 0.04);
}

.btn--secondary {
    background: var(--color-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    box-shadow: none;
}

.btn--secondary:hover {
    background: var(--color-bg-subtle);
    color: var(--color-primary-elevated);
}

/* --------------------------------------------------------------------------
   Forms (Symfony form_div_layout): mobile-friendly width, padding, centering
   -------------------------------------------------------------------------- */
.app-main form {
    width: 100%;
    max-width: min(28rem, 100%);
    margin-inline: auto;
    padding: 0 min(0.25rem, 2vw);
}

.app-main form > ul {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0.65rem 1rem;
    font-size: 1rem;
    line-height: 1.45;
    color: #5c1a1a;
    background: #fde8e8;
    border: 1px solid #e07070;
    border-radius: var(--radius-sm);
    text-align: center;
}

.app-main form > ul > li {
    margin: 0;
    padding: 0.25rem 0;
}

.app-main form > div {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
    text-align: left;
}

.app-main form > div > label {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.35;
    padding-inline: 0.1rem;
}

.app-main form > div > ul {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0.75rem;
    font-size: 0.9375rem;
    line-height: 1.45;
    color: #5c1a1a;
    background: #fde8e8;
    border: 1px solid #e07070;
    border-radius: var(--radius-sm);
}

.app-main form > div > ul > li {
    margin: 0;
    padding: 0.15rem 0;
}

/* Checkbox / boolean: checkbox + label on one row (Symfony order: label, errors, input, help) */
.app-main form > div:has(> input[type="checkbox"]) {
    display: grid;
    grid-template-columns: min-content 1fr;
    grid-template-rows: auto auto auto;
    column-gap: 0.75rem;
    row-gap: 0.35rem;
    align-items: start;
}

.app-main form > div:has(> input[type="checkbox"]) > label {
    grid-column: 2;
    grid-row: 1;
    font-weight: 600;
    padding-top: 0.15rem;
}

.app-main form > div:has(> input[type="checkbox"]) > input[type="checkbox"] {
    grid-column: 1;
    grid-row: 1;
    width: 1.25rem;
    height: 1.25rem;
    min-height: 1.25rem;
    margin-top: 0.15rem;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.app-main form > div:has(> input[type="checkbox"]) > input[type="checkbox"]:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 3px;
}

.app-main form > div:has(> input[type="checkbox"]) > ul {
    grid-column: 1 / -1;
    grid-row: 2;
}

.app-main form > div:has(> input[type="checkbox"]) > .help-text {
    grid-column: 1 / -1;
    grid-row: 3;
}

.app-main input[type="text"],
.app-main input[type="email"],
.app-main input[type="password"],
.app-main input[type="search"],
.app-main input[type="url"],
.app-main input[type="tel"],
.app-main input[type="number"],
.app-main input[type="date"],
.app-main input[type="time"],
.app-main input[type="datetime-local"],
.app-main input[type="file"],
.app-main select,
.app-main textarea {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0.75rem 1rem;
    font: inherit;
    font-size: 1rem;
    line-height: 1.4;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    min-height: 2.75rem;
    box-sizing: border-box;
}

.app-main textarea {
    min-height: 6rem;
    resize: vertical;
}

.app-main select {
    cursor: pointer;
    appearance: auto;
}

.app-main input:where(:not([type="checkbox"]):not([type="radio"])):focus-visible,
.app-main select:focus-visible,
.app-main textarea:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
    border-color: var(--color-primary-elevated);
}

.app-main input:where(:not([type="checkbox"]):not([type="radio"])):disabled,
.app-main select:disabled,
.app-main textarea:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.app-main .help-text {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.45;
    color: var(--color-text-muted);
}

.app-main button {
    font: inherit;
}

.app-main .btn,
.app-main a.btn,
.app-main form > button[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;
    min-height: 2.75rem;
    padding: 0.65rem 1.35rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-on-primary);
    background: var(--color-primary);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    box-sizing: border-box;
}

.app-main form > button[type="submit"],
.app-main form .btn {
    display: flex;
    width: 100%;
    max-width: 100%;
    margin-top: 0.35rem;
    margin-inline: auto;
    padding: 0.75rem 1.25rem;
}

.app-main .btn:hover,
.app-main a.btn:hover,
.app-main form > button[type="submit"]:hover,
.app-main form .btn:hover {
    background: var(--color-primary-elevated);
}

.app-main .btn:focus-visible,
.app-main a.btn:focus-visible,
.app-main form > button[type="submit"]:focus-visible,
.app-main form .btn:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.app-main .btn--secondary,
.app-main a.btn--secondary {
    color: var(--color-primary);
    background: var(--color-surface);
    border-color: var(--color-border);
}

.app-main .btn--secondary:hover,
.app-main a.btn--secondary:hover {
    color: var(--color-primary-elevated);
    background: var(--color-bg-subtle);
}

.app-main .unit-summary__form-actions .btn,
.app-main .unit-summary__form-actions a.btn {
    display: inline-flex;
    width: auto;
    margin-top: 0;
}

/* --------------------------------------------------------------------------
   Mobile: ≤ 47.999rem (~768px)
   -------------------------------------------------------------------------- */
@media (max-width: 47.999rem) {
    .app-main > h1 {
        text-align: center;
    }

    .app-shell {
        padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom, 0));
    }

    .app-body {
        flex-direction: column;
        position: relative;
    }

    .nav-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 80;
        margin: 0;
        background: rgba(26, 46, 31, 0.45);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.2s ease, visibility 0.2s ease;
    }

    body:has(#nav-toggle:checked) .nav-backdrop {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .app-sidebar {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 100;
        display: flex;
        flex-direction: column-reverse;
        width: 100%;
        max-height: 85vh;
        border-radius: var(--radius-md) var(--radius-md) 0 0;
        box-shadow: var(--shadow-lift);
    }

    .sidebar-panel {
        max-height: 0;
        overflow: hidden;
        visibility: hidden;
        transition: max-height 0.28s ease, visibility 0.28s ease;
    }

    body:has(#nav-toggle:checked) .sidebar-panel {
        max-height: min(70vh, 28rem);
        overflow-y: auto;
        visibility: visible;
    }

    .sidebar-brand {
        display: none;
    }

    .app-content-column {
        flex: 1;
    }
}

/* --------------------------------------------------------------------------
   Desktop: ≥ 48rem — left nav, hide mobile chrome
   -------------------------------------------------------------------------- */
@media (min-width: 48rem) {
    .nav-backdrop {
        display: none !important;
    }

    .app-body {
        flex-direction: row;
        align-items: stretch;
    }

    .app-sidebar {
        position: static;
        width: var(--sidebar-width);
        max-height: none;
        border-radius: 0;
        box-shadow: none;
        display: flex;
        flex-direction: column;
    }

    .sidebar-panel {
        max-height: none !important;
        overflow: visible !important;
        visibility: visible !important;
        flex: 1;
    }

    .sidebar-brand {
        display: block;
    }

    .nav-bottom-bar {
        display: none;
    }

    .app-shell {
        padding-bottom: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav-backdrop,
    .sidebar-panel {
        transition: none !important;
    }
}

/* --------------------------------------------------------------------------
   Calendar
   -------------------------------------------------------------------------- */
.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.calendar-nav__heading {
    margin: 0;
    font-size: var(--step-2);
    color: var(--color-primary);
}

.calendar-wrap {
    overflow-x: auto;
}

.calendar {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: var(--step-0);
}

.calendar thead th {
    padding: 0.5rem 0.25rem;
    font-size: 0.8125rem;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    border-bottom: 2px solid var(--color-border);
}

.calendar__cell {
    position: relative;
    vertical-align: top;
    min-width: 2.5rem;
    /* height on td acts as min-height; cell-padding×2 + day(0.875rem×1.55 + 0.2rem margin) + 2×event(0.15rem margin + 0.3rem padding + 0.75rem×1.3) */
    height: calc(0.35rem * 2 + 0.875rem * 1.55 + 0.2rem + (0.15rem + 0.3rem + 0.75rem * 1.3) * 2);
    padding: 0.35rem 0.4rem;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
}

.calendar__cell--padding {
    background: var(--color-bg-subtle);
}

.calendar__cell--today {
    background: #eaf4ee;
}

.calendar__cell--has-events {
    border: 2px solid var(--color-primary);
}

.calendar__day {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 0.2rem;
}

.calendar__cell--today .calendar__day {
    color: var(--color-primary);
}

.app-main .calendar__event {
    display: block;
    margin-top: 0.15rem;
    padding: 0.15rem 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-on-primary);
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    text-decoration: none;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.app-main .calendar__event:hover {
    background: var(--color-primary-elevated);
    color: #ffffff;
    text-decoration: none;
}

.calendar__event-unit {
    font-size: 0.6875rem;
    font-weight: 400;
    opacity: 0.85;
    margin-left: 0.25rem;
}

/* Tooltip: hidden by default, shown on cell hover */
.calendar__tooltip {
    display: none;
    position: absolute;
    z-index: 10;
    top: 0;
    left: 50%;
    translate: -50% calc(-100% - 6px);
    min-width: 10rem;
    max-width: 16rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    line-height: 1.4;
    color: var(--color-on-primary);
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lift);
    pointer-events: none;
    white-space: normal;
    word-break: break-word;
}

.calendar__tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    translate: -50% 0;
    border: 6px solid transparent;
    border-top-color: var(--color-primary);
}

.calendar__cell--has-events:hover .calendar__tooltip {
    display: block;
}

.requirements-list {
    list-style: none;
    padding-left: 1rem;
    margin: 0.25rem 0;
}

.requirements-list--children {
    margin-top: 0.25rem;
}

/* Autocomplete widget */
.autocomplete {
    position: relative;
}

.autocomplete__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.35rem;
    min-height: 0;
}

.autocomplete__badge {
    margin-bottom: 0.35rem;
}

.autocomplete__chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    line-height: 1.3;
}

.autocomplete__remove {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0;
    opacity: 0.75;
}

.autocomplete__remove:hover {
    opacity: 1;
}

.autocomplete__dropdown {
    position: absolute;
    z-index: 100;
    left: 0;
    right: 0;
    top: calc(100% + 2px);
    background: #fff;
    border: 1px solid var(--color-border, #d1d5db);
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    list-style: none;
    margin: 0;
    padding: 0.25rem 0;
    max-height: 16rem;
    overflow-y: auto;
}

.autocomplete__option {
    padding: 0.45rem 0.75rem;
    cursor: pointer;
    font-size: 0.9375rem;
}

.autocomplete__option:hover,
.autocomplete__option:focus {
    background: var(--color-primary-light, #eff6ff);
}

.autocomplete__option--selected {
    color: var(--color-primary);
    font-weight: 600;
}

.autocomplete__no-results {
    padding: 0.45rem 0.75rem;
    color: var(--color-text-muted, #6b7280);
    font-size: 0.9375rem;
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Data-table lists (admin + unit members): action/filter/bulk bars, table,
   badges, pagination. Shared by every checkbox-bulk index page.
   -------------------------------------------------------------------------- */
.app-main form.filter-bar,
.app-main form.table-form,
.app-main form.pagination__per-page {
    max-width: 100%;
    margin-inline: 0;
}

.app-main form.filter-bar .btn,
.app-main form.table-form .btn,
.app-main form.pagination__per-page .btn,
.app-main form.filter-bar > button[type="submit"],
.app-main form.table-form > button[type="submit"] {
    display: inline-flex;
    width: auto;
    margin-top: 0;
    margin-inline: 0;
}

.action-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-block: 1rem;
}

.app-main .action-bar form {
    width: auto;
    margin-inline: 0;
}

.filter-bar,
.bulk-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.9rem;
}

.input {
    padding: 0.5rem 0.75rem;
    font: inherit;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.input--sm {
    padding: 0.3rem 0.5rem;
    font-size: 0.9rem;
}

.app-main .btn--sm {
    min-height: 2.1rem;
    min-width: auto;
    padding: 0.3rem 0.8rem;
    font-size: 0.9rem;
}

.app-main .btn--danger,
.app-main a.btn--danger {
    color: #fdf4f2;
    background: #8c2f24;
}

.app-main .btn--danger:hover,
.app-main a.btn--danger:hover {
    background: #6f251c;
}

.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.data-table th,
.data-table td {
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.data-table th {
    font-weight: 700;
    color: var(--color-text);
    background: var(--color-bg-subtle);
    white-space: nowrap;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: rgba(30, 77, 59, 0.04);
}

.badge {
    display: inline-block;
    padding: 0.1rem 0.55rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 999px;
    white-space: nowrap;
}

.badge--success {
    color: var(--color-primary);
    background: rgba(30, 77, 59, 0.12);
}

.badge--muted {
    color: var(--color-text-muted);
    background: var(--color-bg-subtle);
}

.warning {
    padding: 0.75rem 1rem;
    background: #f9efdc;
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-sm);
}

.detail-list {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.4rem 1.5rem;
    margin-block: 1rem;
}

.detail-list dt {
    font-weight: 700;
}

.detail-list dd {
    margin: 0;
}

.page-subtitle {
    margin: 0.15rem 0 0;
    color: var(--color-text-muted);
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 1rem;
}

.pagination__summary {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.pagination__pages {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.3rem;
}

.pagination__link {
    padding: 0.3rem 0.7rem;
    color: var(--color-link);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
}

.pagination__link--current {
    color: var(--color-on-primary);
    background: var(--color-primary);
    border-color: transparent;
}

.pagination__ellipsis {
    color: var(--color-text-muted);
}

.pagination__per-page {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.pagination__per-page label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

@media (max-width: 40rem) {
    .hide-sm {
        display: none;
    }
}

/* Homepage coming-soon panel */
.coming-soon {
    max-width: 38rem;
    margin-top: 1.5rem;
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.coming-soon__badge {
    display: inline-block;
    margin: 0 0 1rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-on-primary);
    background: var(--color-primary);
    border-radius: 999px;
}

.coming-soon__heading {
    margin: 0 0 0.75rem;
}

.coming-soon__lead {
    margin: 0;
    color: var(--color-text-muted);
}

.coming-soon__actions {
    margin: 1.5rem 0 0;
}

.coming-soon__actions-sep {
    margin: 0 0.25rem;
    color: var(--color-text-muted);
}

.coming-soon__cta {
    display: inline-block;
    padding: 0.5rem 1.1rem;
    font-weight: 600;
    color: var(--color-on-primary);
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    text-decoration: none;
}

.app-main a.coming-soon__cta {
    color: var(--color-on-primary);
}

.coming-soon__cta:hover {
    background: var(--color-primary-elevated);
}

.coming-soon__cta:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}