* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-family-mono: 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    --line-height-tight: 1.2;
    --line-height-heading: 1.3;
    --line-height-body: 1.65;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    --radius-sm: 6px;
    --radius-md: 12px;

    --card-shadow: 0 6px 20px rgba(17, 24, 39, 0.1);
    --surface-default: #ffffff;
    --surface-subtle: #f8fafc;
    --surface-muted: #f1f5f9;

    --neutral-950: #0b1120;
    --neutral-900: #111827;
    --neutral-800: #1f2937;
    --neutral-700: #334155;
    --neutral-600: #475569;
    --neutral-500: #64748b;
    --neutral-400: #94a3b8;
    --neutral-200: #e2e8f0;
    --neutral-100: #f1f5f9;
    --neutral-50: #f8fafc;

    --accent-100: #e8f1ff;
    --accent-200: #cfe0ff;
    --accent-400: #5992ff;
    --accent-500: #2563eb;
    --accent-600: #1d4ed8;
    --accent-700: #1e40af;

    --border-subtle: rgba(15, 23, 42, 0.1);
    --border-strong: rgba(15, 23, 42, 0.18);
    --text-strong: var(--neutral-900);
    --text-muted: var(--neutral-600);
    --text-on-accent: #ffffff;

    --color-primary: var(--accent-500);
    --color-primary-hover: var(--accent-600);
    --color-primary-active: var(--accent-700);
    --color-secondary-bg: var(--accent-100);
    --color-secondary-border: var(--accent-200);
    --color-secondary-hover-bg: var(--accent-200);
    --color-secondary-hover-border: var(--accent-400);
    --color-secondary-text: var(--accent-700);
    --color-destructive: #b91c1c;
    --color-destructive-hover: #991b1b;
    --color-destructive-active: #7f1d1d;
    --color-destructive-bg: #fef2f2;
    --color-destructive-border: #fecaca;
    --color-success: #047857;
    --color-success-bg: #ecfdf5;
    --color-success-border: #bbf7d0;
    --color-button-on-dark: #ffffff;
    --color-button-disabled-bg: #e5e7eb;
    --color-button-disabled-border: #d1d5db;
    --color-button-disabled-text: #9ca3af;
    --color-button-focus: rgba(37, 99, 235, 0.35);
}

body {
    padding: var(--space-xl);
    background-color: var(--surface-subtle);
    max-width: 1200px;
    margin: 0 auto;
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-body);
    color: var(--text-strong);
}

p {
    margin-bottom: var(--space-md);
}

p:last-child {
    margin-bottom: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-base);
    line-height: var(--line-height-heading);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-strong);
}

h1,
h2 {
    color: var(--color-primary);
}

h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

h5 {
    font-size: var(--font-size-base);
}

h6 {
    font-size: var(--font-size-sm);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* Site Header & Navigation */
.site-header {
    background: var(--surface-default);
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 1.5rem;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-subtle);
}

.main-nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.nav-logo:hover,
.nav-logo:focus-visible {
    color: var(--color-primary-active);
    outline: none;
}

.nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.9rem;
    border-radius: 9999px;
    border: 1px solid var(--color-secondary-border);
    background: var(--color-secondary-bg);
    color: var(--color-secondary-text);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.nav-toggle:hover {
    background: var(--color-secondary-hover-bg);
    border-color: var(--color-secondary-hover-border);
    color: var(--color-primary-active);
}

.nav-toggle:focus-visible {
    outline: none;
    background: var(--color-secondary-hover-bg);
    border-color: var(--color-secondary-hover-border);
    box-shadow: 0 0 0 3px var(--color-button-focus);
}

.nav-toggle-label {
    font-size: 0.9rem;
}

.nav-drawer {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0;
    background: linear-gradient(180deg, var(--surface-default) 0%, var(--surface-muted) 100%);
    border-radius: 14px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.18);
    visibility: hidden;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    pointer-events: none;
    transform: translateY(-0.4rem);
    transition: opacity 0.2s ease, transform 0.2s ease, max-height 0.25s ease, padding 0.2s ease;
}

.nav-drawer--open {
    padding: 0.9rem;
    visibility: visible;
    opacity: 1;
    max-height: 480px;
    pointer-events: auto;
    transform: translateY(0);
    overflow: visible;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.nav-item {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.4rem;
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    color: var(--neutral-700);
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.nav-item:link,
.nav-item:visited {
    color: var(--neutral-700);
}

.nav-item__icon {
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
}

.nav-item:hover,
.nav-item:focus-visible {
    background-color: rgba(37, 99, 235, 0.12);
    color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25);
}

.heading-with-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: inherit;
}

.heading-with-icon__icon {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    color: var(--color-primary);
}

.heading-with-icon--sm .heading-with-icon__icon {
    width: 1.25rem;
    height: 1.25rem;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.section-label svg {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

.nav-actions {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.user-menu {
    position: relative;
    z-index: 10;
}

.user-menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.9rem;
    border-radius: 9999px;
    background: var(--color-secondary-bg);
    color: var(--color-secondary-text);
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.user-menu-toggle:hover {
    background: var(--color-secondary-hover-bg);
}

.user-menu-toggle:focus-visible {
    outline: none;
    background: var(--color-secondary-hover-bg);
    box-shadow: 0 0 0 3px var(--color-button-focus);
}

.user-menu-toggle svg {
    transition: transform 0.2s ease;
}

.user-menu-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 0.5rem);
    min-width: 190px;
    background: var(--surface-default);
    border-radius: 12px;
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.2);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.4rem);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 10;
}

.user-menu.open .user-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu.open .user-menu-toggle svg {
    transform: rotate(180deg);
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 0.65rem 1rem;
    color: var(--neutral-700);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.dropdown-item:link,
.dropdown-item:visited {
    color: var(--neutral-700);
    text-decoration: none;
}

.dropdown-item:hover,
.dropdown-item:focus-visible {
    background: var(--neutral-100);
    color: var(--neutral-900);
    outline: none;
}

.user-menu-label {
    line-height: 1;
}

@media (min-width: 768px) {
    .main-nav {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 2rem;
        padding: 1rem 0;
    }

    .nav-toggle {
        display: none;
    }

    .nav-drawer {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        background: transparent;
        box-shadow: none;
        max-height: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
        padding: 0;
        overflow: visible;
        gap: 1.5rem;
    }

    .nav-links {
        flex-direction: row;
        gap: 1.5rem;
    }

    .nav-actions {
        margin-left: auto;
    }
}

@supports not (gap: 1rem) {
    .nav-brand > * + * {
        margin-left: 1rem;
    }

    .nav-links .nav-item {
        margin-bottom: 0.35rem;
    }

    .nav-links .nav-item:last-child {
        margin-bottom: 0;
    }

    .nav-actions > * + * {
        margin-left: 0.75rem;
    }

    @media (min-width: 768px) {
        .nav-links .nav-item {
            margin-right: 1.5rem;
            margin-bottom: 0;
        }

        .nav-links .nav-item:last-child {
            margin-right: 0;
        }

        .nav-actions > * + * {
            margin-left: 1rem;
        }
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav-drawer,
    .nav-drawer--open,
    .user-menu-dropdown,
    .user-menu-toggle,
    .nav-toggle,
    .nav-item,
    .dropdown-item {
        transition: none !important;
    }
}

/* Header */

/* Header and Navigation */
h1 {
    margin-bottom: var(--space-lg);
}

h1 a {
    color: inherit;
    text-decoration: none;
}

h1 a:hover {
    color: var(--color-primary-active);
}

/* Controls Section (Search and Add Button) */
.controls {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
}

.controls > .button {
    flex-shrink: 0;
}

.page-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
}

.search-container {
    flex-grow: 1;
    min-width: min(18rem, 100%);
}

.search-form {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    max-width: 600px;
    flex-wrap: nowrap;
}

.search-form input[type="text"] {
    flex: 1 1 auto;
    width: auto;
    min-width: 220px;
}

.search-form .button {
    flex: 0 0 auto;
    min-height: 2.75rem;
}

/* Form Elements */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="date"],
input[type="datetime-local"],
textarea,
select {
    width: 100%;
    min-height: 2.75rem;
    padding: calc(var(--space-sm) + 2px) var(--space-md);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    line-height: 1.4;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="date"]:focus,
input[type="datetime-local"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

textarea {
    min-height: 140px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.5;
}

/* Buttons */
button,
input[type="button"],
input[type="submit"] {
    font-family: inherit;
    font-size: var(--font-size-base);
    line-height: 1.4;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: calc(var(--space-sm) + 4px) var(--space-lg);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
    min-height: 2.75rem;
    background-color: transparent;
    color: var(--text-strong);
    box-shadow: none;
}

.button:link,
.button:visited {
    color: inherit;
    text-decoration: none;
}

.button:focus-visible,
button:focus-visible,
input[type="button"]:focus-visible,
input[type="submit"]:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-button-focus);
}

.button:hover {
    text-decoration: none;
}

.button:active {
    transform: translateY(1px);
}

.button[disabled],
.button[aria-disabled="true"],
button.button:disabled {
    background-color: var(--color-button-disabled-bg);
    border-color: var(--color-button-disabled-border);
    color: var(--color-button-disabled-text);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
    pointer-events: none;
}

.button--primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-button-on-dark);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.14);
}

.button--primary:link,
.button--primary:visited {
    color: var(--color-button-on-dark);
}

.button--primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.button--primary:active {
    background-color: var(--color-primary-active);
    border-color: var(--color-primary-active);
}

.button--secondary {
    background-color: var(--color-secondary-bg);
    border-color: var(--color-secondary-border);
    color: var(--color-secondary-text);
}

.button--secondary:link,
.button--secondary:visited {
    color: var(--color-secondary-text);
}

.button--secondary:hover {
    background-color: var(--color-secondary-hover-bg);
    border-color: var(--color-secondary-hover-border);
}

.button--secondary:active {
    background-color: var(--color-secondary-border);
    border-color: var(--color-secondary-hover-border);
    color: var(--color-secondary-text);
}

.button--destructive {
    background-color: var(--color-destructive);
    border-color: var(--color-destructive);
    color: var(--color-button-on-dark);
}

.button--destructive:link,
.button--destructive:visited {
    color: var(--color-button-on-dark);
}

.button--destructive:hover {
    background-color: var(--color-destructive-hover);
    border-color: var(--color-destructive-hover);
}

.button--destructive:active {
    background-color: var(--color-destructive-active);
    border-color: var(--color-destructive-active);
}

.button--ghost {
    background-color: transparent;
    color: var(--color-secondary-text);
    border-color: transparent;
}

.button--ghost:link,
.button--ghost:visited {
    color: var(--color-secondary-text);
}

.button--ghost:hover {
    background-color: var(--color-secondary-bg);
    border-color: var(--color-secondary-border);
}

.button--small {
    padding: calc(var(--space-xs) + 2px) calc(var(--space-sm) + 2px);
    font-size: var(--font-size-sm);
    min-height: 2.25rem;
}

.button--block {
    width: 100%;
}

/* Sample Grid */
#samples {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-lg);
    padding: var(--space-md) 0;
}

.card {
    --card-padding: var(--space-lg);
    background: var(--surface-default);
    border-radius: var(--radius-md);
    border: 1px solid var(--neutral-200);
    border-top: 3px solid var(--color-primary);
    box-shadow: var(--card-shadow);
    padding: var(--card-padding);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tile {
    --card-padding: var(--space-lg);
}

.tile:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.1);
}

.tile h2 {
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.tile h2 a {
    color: inherit;
    text-decoration: none;
}

.tile h2 a:hover {
    color: var(--color-primary-active);
}

.tile p {
    margin-bottom: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.tile p:last-child {
    margin-bottom: 0;
}

.tile strong {
    color: var(--text-strong);
}

/* Form Container for Add/Edit Pages */
.form-container {
    background: var(--surface-default);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    box-shadow: var(--card-shadow);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: calc(var(--space-sm) - 0.1rem);
    margin-bottom: var(--space-lg);
}

.stacked-form {
    display: grid;
    gap: var(--space-lg);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--text-strong);
    font-weight: 500;
}

/* Back Link */
.back-link {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--color-primary);
    text-decoration: none;
}

.back-link:hover {
    color: var(--color-primary-active);
}

/* Attachments Section */
.attachments-container {
    background: var(--surface-default);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    box-shadow: var(--card-shadow);
    margin-bottom: var(--space-xl);
}

.attachment-preview {
    display: inline-block;
    margin: 0 var(--space-md) var(--space-md) 0;
    text-align: center;
    vertical-align: top;
    background: var(--surface-subtle);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--neutral-200);
}

.attachment-preview img {
    max-width: 200px;
    max-height: 200px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.attachment-name {
    margin: var(--space-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--text-strong);
    word-break: break-all;
    max-width: 200px;
}

@media (max-width: 768px) {
    #samples {
        grid-template-columns: 1fr;
    }

    .wiki-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }

    .wiki-header .button {
        width: 100%;
        justify-content: center;
    }

    .article-header,
    .article-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
    }

    .article-actions .button {
        width: 100%;
        justify-content: center;
    }

    .button-row,
    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .button-row .button,
    .form-actions .button,
    .inline-form .button {
        width: 100%;
        justify-content: center;
    }

    .inline-form {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .inline-form > * {
        width: 100%;
    }
}

/* Responsive Design */
@media (max-width: 600px) {
    body {
        padding: var(--space-lg);
    }

    .controls {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
    }

    .search-container {
        margin-right: 0;
        margin-bottom: var(--space-sm);
    }

    .search-form {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .search-form input[type="text"],
    .search-form .button {
        width: 100%;
    }

    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="search"],
    input[type="date"],
    input[type="datetime-local"],
    textarea,
    select {
        max-width: none;
    }

    .form-container,
    .attachments-container {
        padding: var(--space-lg);
    }

    .attachment-preview {
        display: block;
        margin: 0 0 var(--space-md);
        width: 100%;
    }

    .attachment-name {
        max-width: none;
    }
}
/* Wiki styles */
.wiki-container {
    max-width: 1000px;
    margin: 0 auto;
}

.wiki-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.wiki-articles {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.article-tile {
    --card-padding: var(--space-lg);
}

.article-tile h2 {
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.article-tile a {
    color: inherit;
    text-decoration: none;
}

.article-tile a:hover {
    color: var(--color-primary-active);
}

.article-meta {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.article-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.article-actions {
    display: flex;
    gap: var(--space-md);
}

.article-content {
    background: var(--surface-default);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
    margin-bottom: var(--space-xl);
}

.inline-form {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.button-row {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
    flex-wrap: wrap;
    align-items: center;
}

.no-articles {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--surface-default);
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
}
.nav-link-primary {
    background: var(--color-primary);
    color: var(--text-on-accent);
}

.nav-link-primary:hover,
.nav-link-primary:focus {
    background: var(--color-primary-hover);
    color: var(--text-on-accent);
}

/* Admin dashboard */
.admin-section {
    background: var(--surface-default);
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
}

.card-body {
    padding: calc(var(--space-md) + var(--space-xs)) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.card-body--flush {
    padding: 0;
}

.groups-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.groups-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: calc(var(--space-sm) + var(--space-xs)) var(--space-md);
    border-radius: var(--radius-sm);
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.06), rgba(99, 102, 241, 0));
    border: 1px solid rgba(99, 102, 241, 0.14);
    flex-wrap: wrap;
    row-gap: var(--space-sm);
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.groups-row + .groups-row {
    margin-top: var(--space-xs);
}

.group-name {
    font-weight: 600;
    color: var(--text-strong);
}

.groups-row form {
    flex-shrink: 0;
}

.groups-row:hover {
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.12), rgba(37, 99, 235, 0.02));
    border-color: rgba(37, 99, 235, 0.24);
    box-shadow: 0 4px 18px rgba(37, 99, 235, 0.08);
}

.users-collection {
    display: grid;
    gap: var(--space-md);
}

.user-card {
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    background: var(--surface-subtle);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.07);
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.user-card__header {
    padding: calc(var(--space-md) + var(--space-xs)) var(--space-lg);
    border-bottom: 1px solid var(--neutral-200);
}

.user-card__grid {
    display: grid;
    gap: var(--space-md);
    padding: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.user-card__field {
    display: flex;
    flex-direction: column;
    gap: calc(var(--space-xs) + 0.15rem);
}

.user-card__field--equipment {
    grid-column: span 2;
}

.user-card__actions .account-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    width: 100%;
    align-items: stretch;
}

.user-card__actions .account-actions > .button,
.user-card__actions .account-actions > button,
.user-card__actions .account-actions .inline-form {
    width: 100%;
}

.user-card__actions .account-actions .inline-form {
    display: flex;
}

.user-card__actions .account-actions .inline-form .button,
.user-card__actions .account-actions > .button,
.user-card__actions .account-actions > button {
    justify-content: center;
}

.field-label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    font-weight: 600;
}

.user-card:hover {
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
    transform: translateY(-2px);
}

@media (min-width: 1024px) {
    .users-collection {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }

    .user-card__actions .account-actions {
        align-items: flex-end;
    }
}

@media (max-width: 900px) {
    .user-card__field--equipment {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .user-card__grid {
        padding: var(--space-md);
    }

    .user-card__actions .account-actions {
        align-items: stretch;
    }

    .groups-row {
        flex-direction: column;
        align-items: stretch;
    }

    .groups-row form {
        display: flex;
        justify-content: flex-end;
        width: 100%;
    }
}