/* ============================================
   Skapa grupp – Mina ämnen — Version 2
   Feature-specific styles. Dark mode är class-based (body.dark-mode),
   inga prefers-color-scheme-regler.
   ============================================ */

/* SR-only utility (om shared inte exponerar det) */
.vk-sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* Page header */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.page-header__title { margin: 0; font-size: 1.5rem; font-weight: 500; color: var(--cl-hard, #1a237e); }
.page-header__subtitle { margin: 4px 0 0; font-size: 0.875rem; color: var(--gray-dark, #666); }
.page-header__actions { flex-shrink: 0; }

.page-info-text {
    margin: 0 0 20px;
    font-size: 0.8125rem;
    color: var(--gray-dark, #666);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* CTA / buttons */
.cg-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: none;
    border-radius: 4px;
    font-family: 'Roboto', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, box-shadow 0.2s, opacity 0.2s;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}
.cg-btn i.material-icons { font-size: 18px; }

.cg-btn--primary {
    background: var(--cl-hard, #26418f);
    color: var(--white, #fff);
    padding: 10px 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}
.cg-btn--primary:hover { background: var(--cl-medium, #3b5998); box-shadow: 0 4px 8px rgba(0,0,0,0.2); }
.cg-btn--primary:active { background: var(--cl-hard, #1a237e); }
.cg-btn--primary:disabled { opacity: 0.6; cursor: not-allowed; }

.cg-btn--text {
    background: transparent;
    color: var(--cl-hard, #26418f);
    padding: 10px 16px;
}
.cg-btn--text:hover { background: rgba(38, 65, 143, 0.08); }

body.dark-mode .cg-btn--text:hover { background: rgba(255, 255, 255, 0.08); }

/* Submit-knapp med inbyggd spinner när data-loading=true */
.cg-btn[data-loading="true"] {
    pointer-events: none;
}
.cg-btn__spinner {
    display: none;
    width: 14px; height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: cgSpin 0.8s linear infinite;
}
.cg-btn[data-loading="true"] .cg-btn__spinner { display: inline-block; }
@keyframes cgSpin { to { transform: rotate(360deg); } }

/* View toggle */
.view-toggle {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}
.view-toggle__btn {
    background: transparent;
    border: 1px solid var(--gray-light, #ccc);
    border-radius: 4px;
    padding: 6px 10px;
    cursor: pointer;
    color: var(--gray-dark, #666);
    transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.view-toggle__btn:hover { background: var(--gray-lightest, #f5f5f5); }
body.dark-mode .view-toggle__btn:hover { background: rgba(255,255,255,0.06); }
.view-toggle__btn--active,
.view-toggle__btn[aria-pressed="true"] {
    background: var(--cl-super-soft, #e8eaf6);
    border-color: var(--cl-soft, #7986cb);
    color: var(--cl-hard, #26418f);
}

/* Focus visibility (WCAG 2.4.7) */
.cg-btn:focus-visible,
.view-toggle__btn:focus-visible,
.cg-tabs__tab:focus-visible,
.cg-autocomplete__item:focus-visible,
.group-card:focus-visible,
.cg-link-button:focus-visible,
.cg-expansion__toggle:focus-visible {
    outline: 2px solid var(--cl-hard, #26418f);
    outline-offset: 2px;
}

/* Groups grid */
.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.group-card {
    background: var(--white, #fff);
    border-radius: 8px;
    border: 1px solid var(--gray-light, #e0e0e0);
    padding: 20px;
    cursor: pointer;
    transition: box-shadow 0.2s, transform 0.15s, background-color 0.15s;
    position: relative;
    color: inherit;
}
.group-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-1px);
}
body.dark-mode .group-card:hover {
    background: var(--gray-lightest, #2a2a2a);
}
.group-card__header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 8px; }
.group-card__name { font-size: 1rem; font-weight: 500; color: var(--cl-hard, #26418f); margin: 0; line-height: 1.3; }
.group-card__icon { color: var(--cl-soft, #7986cb); font-size: 20px; flex-shrink: 0; }
.group-card__course { font-size: 0.8125rem; color: var(--gray-dark, #666); margin: 0 0 12px; }
.group-card__meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 0.75rem; color: var(--gray-dark, #666); }
.group-card__meta-item { display: flex; align-items: center; gap: 4px; }
.group-card__meta-item i { font-size: 14px; }
.group-card__badges { margin-top: 10px; }

/* Badges */
.cg-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.cg-badge--manual { background: #e3f2fd; color: #0d47a1; }
.cg-badge--synced { background: var(--gray-lightest, #f5f5f5); color: var(--gray-dark, #555); }
body.dark-mode .cg-badge--manual { background: #1a3a5e; color: #bbdefb; }
body.dark-mode .cg-badge--synced { background: #2c2c2c; color: #cfcfcf; }

/* Lists */
.groups-list { margin-bottom: 24px; }
.groups-list .vk-table { width: 100%; }
.groups-list .vk-table td { vertical-align: middle; }
.cg-link-button {
    background: transparent;
    border: none;
    color: var(--cl-hard, #26418f);
    font-weight: 500;
    cursor: pointer;
    padding: 0;
    font: inherit;
    text-align: left;
}
.cg-link-button:hover { text-decoration: underline; }

/* Old groups link */
.old-groups-link {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-light, #e0e0e0);
}
.old-groups-link__anchor {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gray-dark, #666);
    font-size: 0.875rem;
    text-decoration: none;
}
.old-groups-link__anchor:hover { color: var(--cl-hard, #26418f); }

/* ============================================
   Dialog — använder shared vk-dialog/vk-dialog--open
   ============================================ */
.cg-dialog-host .mdc-dialog__surface {
    width: calc(100vw - 32px);
    max-width: 580px;
    /* 100dvh: följer iOS Safari-chrome — mobile-safe-area-bottom-reachability.mdc */
    max-height: 100vh;
    max-height: 100dvh;
    display: flex;
    flex-direction: column;
    background: var(--white, #fff);
    color: var(--gray-darker, #212121);
}
.cg-dialog-host--small .mdc-dialog__surface { max-width: 400px; }

.cg-dialog__header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 20px 24px 12px;
    flex-wrap: wrap;
}
.cg-dialog__title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--cl-hard, #26418f);
    flex: 1;
}
.cg-dialog__subtitle { font-size: 0.8125rem; color: var(--gray-dark, #888); width: 100%; order: 3; }
.cg-dialog__close {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    color: var(--gray-dark, #666);
    transition: background 0.15s;
    margin: -8px -8px 0 0;
}
.cg-dialog__close:hover { background: var(--gray-lightest, #f5f5f5); }
body.dark-mode .cg-dialog__close:hover { background: rgba(255,255,255,0.08); }

.cg-dialog__body {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding: 8px 24px 16px;
    /* mobile safe-area scroll */
    -webkit-overflow-scrolling: touch;
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
}

.cg-dialog__footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 24px 20px;
    padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--gray-light, #eee);
}

/* Info-banner */
.cg-dialog__info-banner {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    background: #f3f6fc;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.8125rem;
    color: #37474f;
    line-height: 1.5;
}
.cg-dialog__info-banner i { color: var(--cl-soft, #7986cb); font-size: 18px; flex-shrink: 0; margin-top: 1px; }
body.dark-mode .cg-dialog__info-banner { background: #1f2533; color: #e8eaf6; }

/* Validation summary (SGMA-07 / WCAG) */
.cg-validation-summary {
    background: #fdecea;
    border: 1px solid #f5c6cb;
    border-left: 4px solid #c62828;
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    color: #7f1d1d;
    font-size: 0.875rem;
}
.cg-validation-summary:focus-visible {
    outline: 2px solid var(--cl-hard);
    outline-offset: 2px;
}
.cg-validation-summary__title { margin: 0 0 8px; font-size: 1rem; font-weight: 600; color: #b71c1c; }
.cg-validation-summary ul { margin: 0; padding-left: 18px; }
.cg-validation-summary a {
    color: #b71c1c;
    text-decoration: underline;
}
body.dark-mode .cg-validation-summary { background: #4a1a1a; border-color: #7a2c2c; color: #ffe5e5; }
body.dark-mode .cg-validation-summary__title { color: #ff9494; }
body.dark-mode .cg-validation-summary a { color: #ffb3b3; }

/* General error (SGMA-09 — korrelations-ID) */
.cg-general-error {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: #fff4e5;
    border: 1px solid #ffd6a5;
    border-radius: 6px;
    padding: 12px 16px;
    margin-bottom: 16px;
    color: #8a4b00;
    font-size: 0.875rem;
}
.cg-general-error i { color: #c66800; font-size: 20px; flex-shrink: 0; }
.cg-general-error__text { margin: 0 0 4px; font-weight: 500; }
.cg-general-error__id { margin: 0; font-size: 0.75rem; color: #6f3c00; }
.cg-general-error__id code { background: rgba(0,0,0,0.05); padding: 2px 6px; border-radius: 3px; font-family: ui-monospace, monospace; }
body.dark-mode .cg-general-error { background: #3a2611; border-color: #5e3a13; color: #ffd9b3; }
body.dark-mode .cg-general-error__id code { background: rgba(255,255,255,0.08); }

/* Form fields */
.cg-field { margin-bottom: 16px; }
.cg-field__label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #37474f;
}
body.dark-mode .cg-field__label { color: var(--gray-lighter, #d0d0d0); }

.cg-field__required { color: #c62828; }
.cg-field__optional { color: var(--gray-dark, #888); font-weight: 400; font-size: 0.75rem; margin-left: 2px; }

.cg-field__input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-light, #ccc);
    border-radius: 6px;
    font-family: 'Roboto', sans-serif;
    font-size: 0.875rem;
    color: var(--gray-darker, #212121);
    background: var(--white, #fff);
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
}
.cg-field__input:focus,
.cg-field__input:focus-visible {
    outline: none;
    border-color: var(--cl-hard, #26418f);
    box-shadow: 0 0 0 3px rgba(38, 65, 143, 0.18);
}
.cg-field__input::placeholder { color: #9e9e9e; }

.cg-field--error .cg-field__input,
.cg-field__input[aria-invalid="true"] {
    border-color: #c62828;
}
.cg-field--error .cg-field__input:focus,
.cg-field__input[aria-invalid="true"]:focus {
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.18);
}

.cg-field__help {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--gray-dark, #888);
    line-height: 1.4;
}
.cg-field__help--dates { margin-top: -8px; margin-bottom: 16px; }
.cg-field__help em { color: var(--cl-hard, #26418f); font-style: normal; font-weight: 500; }
body.dark-mode .cg-field__help em { color: var(--cl-soft, #aab4e0); }

.cg-field__error {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: #c62828;
    line-height: 1.4;
    min-height: 1.1em;
}
body.dark-mode .cg-field__error { color: #ff8a80; }

.cg-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.cg-field-group {
    border: none;
    padding: 0;
    margin: 0;
}

/* Autocomplete */
.cg-autocomplete { position: relative; }
.cg-autocomplete__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white, #fff);
    border: 1px solid var(--gray-light, #ccc);
    border-radius: 0 0 6px 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    max-height: 240px;
    overflow-y: auto;
    z-index: 12;
    margin: 0;
    padding: 0;
    list-style: none;
}
.cg-autocomplete__item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background-color 0.1s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.cg-autocomplete__item:hover,
.cg-autocomplete__item--highlighted {
    background: var(--cl-super-soft, #e8eaf6);
}
body.dark-mode .cg-autocomplete__item:hover,
body.dark-mode .cg-autocomplete__item--highlighted {
    background: rgba(121, 134, 203, 0.18);
}
.cg-autocomplete__item--no-code {
    border-top: 1px solid var(--gray-lightest, #f0f0f0);
    font-style: italic;
}
.cg-autocomplete__item-code { font-weight: 500; color: var(--cl-hard, #26418f); min-width: 56px; }
.cg-autocomplete__item-name { color: var(--gray-dark, #666); font-size: 0.8125rem; }
body.dark-mode .cg-autocomplete__item-code { color: var(--cl-soft, #aab4e0); }

.cg-autocomplete__empty {
    padding: 16px;
    text-align: center;
    color: var(--gray-dark, #888);
    font-size: 0.8125rem;
    list-style: none;
}

/* Expansion */
.cg-expansion {
    margin-top: 4px;
    border-top: 1px solid var(--gray-light, #eee);
    padding-top: 4px;
}
.cg-expansion__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 12px 0;
    font-family: 'Roboto', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--cl-hard, #26418f);
}
body.dark-mode .cg-expansion__toggle { color: var(--cl-soft, #aab4e0); }
.cg-expansion__icon { transition: transform 0.2s; }
.cg-expansion--open .cg-expansion__icon { transform: rotate(180deg); }
.cg-expansion__content { padding-bottom: 8px; }

/* Toggle/switch */
.cg-toggle-field {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-lightest, #f5f5f5);
}
.cg-toggle-field:last-child { border-bottom: none; }
.cg-toggle-field__label { font-size: 0.875rem; color: #37474f; display: flex; align-items: center; gap: 4px; }
body.dark-mode .cg-toggle-field__label { color: var(--gray-lighter, #e0e0e0); }

.cg-switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    flex-shrink: 0;
}
.cg-switch input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    cursor: pointer;
}
.cg-switch__slider {
    position: absolute;
    inset: 0;
    background: #bdbdbd;
    border-radius: 20px;
    transition: background 0.2s;
    pointer-events: none;
}
.cg-switch__slider::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    left: 2px;
    bottom: 2px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}
.cg-switch input:checked + .cg-switch__slider { background: var(--cl-hard, #26418f); }
.cg-switch input:checked + .cg-switch__slider::before { transform: translateX(16px); }
.cg-switch input:focus-visible + .cg-switch__slider {
    outline: 2px solid var(--cl-hard, #26418f);
    outline-offset: 2px;
}

/* Toast */
.cg-toast {
    position: fixed;
    bottom: 24px;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    background: #323232;
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.cg-toast--visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.cg-toast__icon { color: #66bb6a; font-size: 20px; }

/* Group detail view */
.cg-group-detail {
    position: fixed;
    inset: 0;
    background: var(--gray-lightest, #fafafa);
    z-index: 500;
    overflow-y: auto;
    padding-top: 16px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    min-height: 100vh;
    min-height: 100dvh;
}
body.dark-mode .cg-group-detail { background: var(--gray-darker, #1a1a1a); color: var(--gray-lighter, #e0e0e0); }

.cg-group-detail .content-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px 48px;
}
.cg-group-detail__back { margin-bottom: 16px; }
.cg-group-detail__header { margin-bottom: 24px; }
.cg-group-detail__title { margin: 0 0 8px; font-size: 1.5rem; font-weight: 500; color: inherit; }
.cg-group-detail__meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.cg-group-detail__meta-item { font-size: 0.8125rem; color: var(--gray-dark, #666); }
body.dark-mode .cg-group-detail__meta-item { color: var(--gray-light, #b0b0b0); }

/* Tabs */
.cg-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--gray-light, #e0e0e0);
    margin-bottom: 24px;
    overflow-x: auto;
}
.cg-tabs__tab {
    background: transparent;
    border: none;
    padding: 12px 20px;
    font-family: 'Roboto', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-dark, #666);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
}
.cg-tabs__tab:hover { color: var(--cl-hard, #26418f); }
body.dark-mode .cg-tabs__tab:hover { color: var(--cl-soft, #aab4e0); }
.cg-tabs__tab--active,
.cg-tabs__tab[aria-selected="true"] {
    color: var(--cl-hard, #26418f);
    border-bottom-color: var(--cl-hard, #26418f);
}
body.dark-mode .cg-tabs__tab--active,
body.dark-mode .cg-tabs__tab[aria-selected="true"] {
    color: var(--cl-soft, #aab4e0);
    border-bottom-color: var(--cl-soft, #aab4e0);
}

/* Empty state */
.cg-empty-state { text-align: center; padding: 48px 24px; }
.cg-empty-state__icon { font-size: 48px; color: var(--gray-light, #ccc); margin-bottom: 12px; }
.cg-empty-state__title { margin: 0 0 8px; font-size: 1.125rem; font-weight: 500; color: var(--gray-darker, #424242); }
body.dark-mode .cg-empty-state__title { color: var(--gray-lighter, #e0e0e0); }
.cg-empty-state__text {
    margin: 0 auto 20px;
    font-size: 0.875rem;
    color: var(--gray-dark, #888);
    max-width: 420px;
}

/* Member section */
.cg-member-section {
    margin-top: 24px;
    background: var(--white, #fff);
    border-radius: 8px;
    border: 1px solid var(--gray-light, #e0e0e0);
    padding: 16px 20px;
}
body.dark-mode .cg-member-section { background: var(--gray-lightest, #2a2a2a); }
.cg-member-section__title {
    margin: 0 0 12px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-dark, #666);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.cg-member-item { display: flex; align-items: center; gap: 12px; padding: 8px 0; }
.cg-member-item__avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--cl-super-soft, #e8eaf6);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}
body.dark-mode .cg-member-item__avatar { background: rgba(121, 134, 203, 0.2); }
.cg-member-item__avatar img { width: 100%; height: 100%; object-fit: cover; }
.cg-member-item__avatar i { color: var(--cl-hard, #26418f); font-size: 20px; }
.cg-member-item__info { flex: 1; }
.cg-member-item__name { font-size: 0.875rem; font-weight: 500; color: var(--gray-darker, #212121); }
body.dark-mode .cg-member-item__name { color: var(--gray-lighter, #e0e0e0); }
.cg-member-item__role { font-size: 0.75rem; color: var(--gray-dark, #888); }

/* Responsive */
@media (max-width: 599px) {
    .page-header { flex-direction: column; gap: 12px; }
    .page-header__actions { width: 100%; }
    .page-header__actions .cg-btn { width: 100%; justify-content: center; }
    .cg-field-row { grid-template-columns: 1fr; }
    .groups-grid { grid-template-columns: 1fr; }

    /* Mobil: helsida istället för dialog (SGMA-03). */
    .cg-dialog-host .mdc-dialog__surface {
        width: 100vw;
        max-width: 100vw;
        max-height: 100dvh;
        min-height: 100dvh;
        border-radius: 0;
    }
    .cg-tabs__tab { padding: 12px 14px; font-size: 0.8125rem; }
    .cg-group-detail .content-container { padding: 0 16px 48px; }
}

@media (min-width: 600px) and (max-width: 959px) {
    .groups-grid { grid-template-columns: repeat(2, 1fr); }
}