:root {
    --background: #f4f5f7;
    --surface: #ffffff;
    --primary: #1f2937;
    --accent: #f59e0b;
    --text: #1f2937;
    --text-light: #6b7280;
    --border: #e5e7eb;
    --success: #16a34a;
    --warning: #ea580c;
    --danger: #dc2626;
    --radius: 14px;
    --shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }
html { font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: var(--background); }
body { margin: 0; padding-bottom: 86px; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.container { width: 100%; max-width: 1000px; margin: 0 auto; padding: 0 16px; }
.app-header { background: var(--primary); color: white; padding: 16px 0; }
.app-header h1 { font-size: 20px; margin: 0; }
.hero { padding: 26px 0 14px; }
.hero h2 { margin: 0 0 6px; font-size: 24px; }
.hero p, .section-heading-row p { margin: 0; color: var(--text-light); }

.dashboard { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px; margin: 15px 0 20px; }
.stat-card { background: var(--surface); border-radius: var(--radius); padding: 16px 8px; text-align: center; box-shadow: var(--shadow); }
.stat-card strong { display: block; font-size: 24px; line-height: 1.1; margin-bottom: 5px; }
.stat-card span { font-size: 12px; color: var(--text-light); }
.training-actions { display: grid; gap: 10px; margin-bottom: 30px; }
.start-training { background: var(--primary); color: white; display: flex; justify-content: space-between; align-items: center; border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.start-training.secondary { background: var(--surface); color: var(--text); }
.start-training strong, .start-training small { display: block; }
.start-training small { margin-top: 3px; opacity: .7; }
.arrow { font-size: 22px; }
.section-heading-row { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin: 24px 0 12px; }
.section-heading-row h2 { margin: 0 0 4px; font-size: 19px; }
.text-link { font-weight: 700; font-size: 14px; }
.category-tree { display: grid; gap: 9px; }
.category-tree.nested { margin: 9px 0 0 14px; padding-left: 12px; border-left: 2px solid var(--border); }
.category-card { display: flex; justify-content: space-between; align-items: center; background: var(--surface); padding: 16px; border-radius: var(--radius); box-shadow: var(--shadow); }
.category-card small { display: block; color: var(--text-light); margin-top: 3px; }

.bottom-nav { position: fixed; bottom: 0; left: 0; right: 0; background: white; border-top: 1px solid var(--border); display: grid; grid-template-columns: repeat(4, 1fr); z-index: 100; }
.bottom-nav a { min-height: 68px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--text-light); font-size: 11px; }
.bottom-nav a span:first-child { font-size: 19px; }
.bottom-nav a.active { color: var(--primary); font-weight: 700; }

.btn { border: 0; border-radius: 10px; padding: 12px 16px; cursor: pointer; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }
.btn-primary { background: var(--primary); color: white; }
.btn-success { background: var(--success); color: white; }
.btn-warning { background: var(--warning); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-light { background: #eef0f3; color: var(--text); }
.btn:disabled { opacity: .55; cursor: wait; }

.training-header { display: flex; align-items: center; gap: 12px; }
.training-header h1 { font-size: 17px; }
.back-link { color: white; font-size: 25px; line-height: 1; }
.training-page { padding-top: 24px; }
.training-meta { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 10px; color: var(--text-light); font-size: 13px; }
.flashcard { background: white; border-radius: 18px; min-height: 320px; padding: 28px 20px; box-shadow: var(--shadow); display: flex; flex-direction: column; justify-content: center; }
.flashcard-label { text-transform: uppercase; font-size: 12px; font-weight: 700; color: var(--text-light); letter-spacing: .08em; margin-bottom: 12px; }
.flashcard-question { font-size: 28px; font-weight: 650; }
.flashcard-answer { margin-top: 35px; padding-top: 25px; border-top: 1px solid var(--border); font-size: 26px; }
.example { margin-top: 18px; font-size: 17px; color: var(--text-light); font-style: italic; }
.notes { margin-top: 18px; font-size: 15px; color: var(--text-light); }
.hint-button { display: inline-block; align-self: flex-start; margin-top: 20px; padding: 8px 12px; border: 0; border-radius: 8px; background: #f3f4f6; cursor: pointer; color: var(--text); }
.hint { margin-top: 12px; padding: 12px; border-radius: 8px; background: #f9fafb; color: var(--text-light); font-size: 15px; }
.show-answer { width: 100%; margin-top: 16px; }
.answer-buttons { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin-top: 16px; }
.answer-buttons button { padding-left: 5px; padding-right: 5px; flex-direction: column; gap: 2px; }
.answer-buttons small { font-size: 10px; opacity: .8; }
.finished-message { margin-top: 20px; font-size: 16px; }

.form-wrapper, .admin-page { max-width: 850px; margin: 25px auto; }
.card-form { padding-bottom: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 700; }
.form-group input, .form-group textarea, .form-group select, .filters input, .filters select, .inline-admin-form input, .inline-admin-form select, .compact-label input { display: block; width: 100%; border: 1px solid var(--border); border-radius: 10px; padding: 12px 13px; background: white; color: var(--text); }
.form-group textarea { resize: vertical; line-height: 1.5; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus, .filters input:focus, .filters select:focus { outline: 2px solid var(--accent); border-color: transparent; }
.form-help { display: block; margin-top: 6px; color: var(--text-light); font-size: 13px; line-height: 1.4; }
.checkbox-group { background: var(--surface); padding: 14px; border-radius: 10px; border: 1px solid var(--border); }
.checkbox-label { display: flex !important; align-items: center; gap: 10px; margin: 0 !important; cursor: pointer; }
.checkbox-label input { width: 20px !important; height: 20px; margin: 0; flex-shrink: 0; }
.save-button { width: 100%; min-height: 50px; }
.message { padding: 14px 16px; margin: 18px 0; border-radius: 10px; font-size: 15px; }
.message-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.message-error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }

.admin-panel { background: var(--surface); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; box-shadow: var(--shadow); }
.admin-panel > h2 { margin-top: 0; font-size: 19px; }
.filters { display: grid; gap: 10px; }
.form-grid { display: grid; gap: 0; }
.card-admin-list { display: grid; gap: 10px; }
.admin-card { background: var(--surface); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.admin-card h3 { margin: 12px 0 5px; font-size: 18px; }
.admin-card-top { display: flex; justify-content: space-between; gap: 12px; color: var(--text-light); }
.badge { background: #eef0f3; border-radius: 999px; padding: 4px 8px; font-size: 12px; font-weight: 700; }
.answer-preview { margin: 0 0 14px; color: var(--text-light); }
.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.admin-actions form { margin: 0; }
.empty-state { padding: 24px; text-align: center; color: var(--text-light); }
.category-admin-list { display: grid; gap: 8px; }
.category-admin-item { margin-left: calc(var(--depth) * 12px); background: #fafafa; border: 1px solid var(--border); border-radius: 10px; padding: 12px; }
.category-admin-title { display: flex; justify-content: space-between; gap: 10px; }
.category-admin-title small { color: var(--text-light); }
.category-admin-item details { margin-top: 8px; }
.category-admin-item summary { cursor: pointer; font-weight: 700; }
.inline-admin-form { display: grid; gap: 8px; margin: 10px 0; }
.compact-label { display: grid; gap: 6px; font-weight: 700; }
.csv-example { overflow-x: auto; background: #111827; color: #f9fafb; border-radius: 10px; padding: 14px; font-size: 12px; white-space: pre; }

@media (min-width: 700px) {
    .container { padding-left: 24px; padding-right: 24px; }
    .dashboard { gap: 15px; }
    .stat-card { padding: 24px; }
    .stat-card strong { font-size: 34px; }
    .stat-card span { font-size: 14px; }
    .training-actions { grid-template-columns: repeat(3,1fr); }
    .start-training { min-height: 110px; }
    .training-page { max-width: 700px; }
    .flashcard { min-height: 400px; padding: 40px; }
    .flashcard-question { font-size: 38px; }
    .flashcard-answer { font-size: 34px; }
    .form-grid { grid-template-columns: 1fr 2fr; gap: 14px; }
    .filters { grid-template-columns: 2fr 1.3fr 1fr auto; align-items: end; }
    .inline-admin-form { grid-template-columns: 1fr auto; }
    .save-button { width: auto; min-width: 180px; }
}

/*
|--------------------------------------------------------------------------
| HEADER / USER
|--------------------------------------------------------------------------
*/

.app-header-inner {
    min-height: 64px;

    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 15px;
}


.brand-block {
    min-width: 0;
}


.brand-title {
    font-size: 18px;

    font-weight: 700;
}


.brand-user {
    display: flex;

    align-items: center;

    gap: 7px;

    margin-top: 3px;

    font-size: 12px;

    opacity: 0.8;
}


.header-logout {
    flex-shrink: 0;

    color: white;

    border: 1px solid rgba(
        255,
        255,
        255,
        0.25
    );

    border-radius: 8px;

    padding: 8px 10px;

    font-size: 13px;

    font-weight: 600;
}


.header-logout:active {
    background: rgba(
        255,
        255,
        255,
        0.1
    );
}


.admin-badge {
    display: inline-block;

    background: rgba(
        255,
        255,
        255,
        0.2
    );

    color: white;

    border-radius: 20px;

    padding: 2px 7px;

    font-size: 10px;

    font-weight: 700;
}


/*
|--------------------------------------------------------------------------
| HERO
|--------------------------------------------------------------------------
*/

.hero h1 {
    margin: 0 0 5px;

    font-size: 26px;
}


/*
|--------------------------------------------------------------------------
| TRÄNINGSALTERNATIV
|--------------------------------------------------------------------------
*/

.training-options {
    display: grid;

    gap: 10px;

    margin-bottom: 32px;
}


.training-option {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 15px;

    background: var(--surface);

    border-radius: var(--radius);

    padding: 17px;

    box-shadow: var(--shadow);
}


.training-option strong {
    display: block;

    margin-bottom: 3px;
}


.training-option small {
    display: block;

    color: var(--text-light);
}


.training-option-primary {
    background: var(--primary);

    color: white;
}


.training-option-primary small {
    color: rgba(
        255,
        255,
        255,
        0.7
    );
}


/*
|--------------------------------------------------------------------------
| ADMINPANEL
|--------------------------------------------------------------------------
*/

.admin-panel {
    margin-top: 35px;

    margin-bottom: 30px;
}


.admin-panel h2 {
    font-size: 18px;

    margin-bottom: 12px;
}


.admin-grid {
    display: grid;

    gap: 10px;
}


.admin-card {
    display: flex;

    align-items: center;

    gap: 13px;

    background: var(--surface);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    padding: 15px;
}


.admin-icon {
    font-size: 25px;

    flex-shrink: 0;
}


.admin-card strong {
    display: block;

    margin-bottom: 2px;
}


.admin-card small {
    display: block;

    color: var(--text-light);
}


/*
|--------------------------------------------------------------------------
| BOTTOM NAV
|--------------------------------------------------------------------------
*/

.bottom-nav {
    grid-template-columns:
        repeat(4, 1fr);
}


.bottom-nav a {
    padding: 4px 2px;
}


.bottom-nav a span:last-child {
    white-space: nowrap;
}


/*
|--------------------------------------------------------------------------
| STÖRRE SKÄRM
|--------------------------------------------------------------------------
*/

@media (min-width: 700px) {

    .brand-title {
        font-size: 22px;
    }


    .brand-user {
        font-size: 13px;
    }


    .hero h1 {
        font-size: 32px;
    }


    .training-options {
        grid-template-columns:
            repeat(3, minmax(0, 1fr));
    }


    .training-option {
        min-height: 100px;
    }


    .admin-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

}


@media (min-width: 1000px) {

    .admin-grid {
        grid-template-columns:
            repeat(3, minmax(0, 1fr));
    }

}

/*
|--------------------------------------------------------------------------
| CARDS ADMIN
|--------------------------------------------------------------------------
*/

.cards-admin-page {
    max-width: 1000px;

    padding-top: 20px;
    padding-bottom: 30px;
}


.cards-header-title {
    display: flex;

    align-items: center;

    gap: 12px;
}


.cards-header-title > div {
    display: flex;
    flex-direction: column;
}


.cards-header-title strong {
    font-size: 18px;
}


.cards-header-title small {
    margin-top: 1px;

    font-size: 11px;

    opacity: 0.7;
}


.header-user-mini {
    display: flex;

    align-items: center;

    gap: 10px;
}


.header-user-mini > span {
    display: none;

    font-size: 13px;

    opacity: 0.8;
}


/*
|--------------------------------------------------------------------------
| TOOLBAR
|--------------------------------------------------------------------------
*/

.cards-toolbar {
    display: flex;

    flex-wrap: wrap;

    gap: 8px;

    margin-bottom: 20px;
}


.cards-toolbar .btn {
    flex-grow: 1;
}


/*
|--------------------------------------------------------------------------
| PANELER
|--------------------------------------------------------------------------
*/

.cards-edit-panel,
.cards-filter-panel {
    background: var(--surface);

    border-radius: var(--radius);

    box-shadow: var(--shadow);

    padding: 16px;

    margin-bottom: 20px;
}


.cards-section-header {
    display: flex;

    align-items: flex-start;
    justify-content: space-between;

    gap: 12px;

    margin-bottom: 18px;
}


.cards-section-header h2 {
    margin: 2px 0 0;

    font-size: 20px;
}


.section-kicker {
    display: block;

    color: var(--text-light);

    font-size: 11px;

    font-weight: 700;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}


.result-count {
    flex-shrink: 0;

    background: #f3f4f6;

    padding: 6px 9px;

    border-radius: 999px;

    font-size: 12px;

    color: var(--text-light);
}


/*
|--------------------------------------------------------------------------
| FILTER
|--------------------------------------------------------------------------
*/

.cards-filters {
    display: grid;

    gap: 12px;
}


.cards-filters label {
    display: block;

    margin-bottom: 5px;

    font-size: 13px;

    font-weight: 700;
}


.cards-filters input,
.cards-filters select {
    width: 100%;

    min-height: 45px;

    padding: 10px 12px;

    border: 1px solid var(--border);

    border-radius: 10px;

    background: white;

    color: var(--text);
}


.cards-filters input:focus,
.cards-filters select:focus {
    outline: 2px solid var(--accent);

    border-color: transparent;
}


.cards-filter-buttons {
    display: flex;

    gap: 8px;
}


.cards-filter-buttons .btn {
    flex: 1;
}


/*
|--------------------------------------------------------------------------
| KORTLISTA
|--------------------------------------------------------------------------
*/

.cards-library {
    display: grid;

    gap: 12px;
}


.library-card {
    min-width: 0;

    background: var(--surface);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    padding: 16px;

    box-shadow:
        0 1px 4px
        rgba(0, 0, 0, 0.05);
}


.library-card-meta {
    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 10px;

    margin-bottom: 16px;
}


.card-type-badge {
    flex-shrink: 0;

    display: inline-flex;

    align-items: center;

    min-height: 25px;

    padding: 4px 8px;

    border-radius: 999px;

    font-size: 11px;

    font-weight: 700;

    background: #eef0f3;
}


.library-category {
    min-width: 0;

    overflow: hidden;

    text-overflow: ellipsis;

    white-space: nowrap;

    color: var(--text-light);

    font-size: 12px;

    text-align: right;
}


/*
|--------------------------------------------------------------------------
| FRAM / BAK
|--------------------------------------------------------------------------
*/

.library-card-content {
    display: grid;

    gap: 10px;
}


.library-side {
    min-width: 0;

    padding: 13px;

    background: #f8f9fa;

    border-radius: 10px;
}


.library-label {
    display: block;

    margin-bottom: 6px;

    color: var(--text-light);

    font-size: 10px;

    font-weight: 700;

    letter-spacing: 0.07em;

    text-transform: uppercase;
}


.library-front,
.library-back {
    overflow-wrap: anywhere;

    font-size: 17px;

    line-height: 1.4;
}


.library-front {
    font-weight: 700;
}


.library-arrow {
    display: none;

    align-self: center;

    color: var(--text-light);

    font-size: 18px;

    text-align: center;
}


/*
|--------------------------------------------------------------------------
| EXTRA INFORMATION
|--------------------------------------------------------------------------
*/

.library-extra {
    display: grid;

    gap: 5px;

    margin-top: 12px;

    padding-top: 12px;

    border-top: 1px solid var(--border);

    color: var(--text-light);

    font-size: 13px;

    line-height: 1.4;
}


/*
|--------------------------------------------------------------------------
| FOOTER / KNAPPAR
|--------------------------------------------------------------------------
*/

.library-card-footer {
    display: flex;

    flex-direction: column;

    gap: 12px;

    margin-top: 15px;

    padding-top: 12px;

    border-top: 1px solid var(--border);
}


.library-card-id {
    color: var(--text-light);

    font-size: 11px;
}


.library-actions {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        minmax(0, 1fr);

    gap: 8px;
}


.library-actions form {
    margin: 0;
}


.library-actions .btn {
    width: 100%;
}


/*
|--------------------------------------------------------------------------
| REDIGERING
|--------------------------------------------------------------------------
*/

.cards-form-actions {
    display: flex;

    flex-wrap: wrap;

    gap: 8px;
}


.cards-form-actions .btn {
    flex-grow: 1;
}


/*
|--------------------------------------------------------------------------
| TOM LISTA
|--------------------------------------------------------------------------
*/

.cards-library .empty-state {
    background: var(--surface);

    border-radius: var(--radius);

    padding: 35px 20px;

    box-shadow: var(--shadow);
}


.cards-library .empty-state strong {
    display: block;

    margin-bottom: 5px;

    font-size: 18px;
}


.cards-library .empty-state p {
    margin: 0;

    color: var(--text-light);
}


/*
|--------------------------------------------------------------------------
| TABLET / DESKTOP
|--------------------------------------------------------------------------
*/

@media (min-width: 700px) {

    .header-user-mini > span {
        display: inline;
    }


    .cards-toolbar .btn {
        flex-grow: 0;
    }


    .cards-edit-panel,
    .cards-filter-panel {
        padding: 22px;
    }


    .cards-filters {
        grid-template-columns:
            minmax(220px, 2fr)
            minmax(180px, 1.4fr)
            minmax(140px, 1fr)
            auto;

        align-items: end;
    }


    .cards-filter-buttons .btn {
        flex: initial;
    }


    .library-card-content {
        grid-template-columns:
            minmax(0, 1fr)
            auto
            minmax(0, 1fr);

        align-items: stretch;
    }


    .library-arrow {
        display: block;
    }


    .library-card-footer {
        flex-direction: row;

        align-items: center;
        justify-content: space-between;
    }


    .library-actions {
        display: flex;
    }


    .library-actions .btn {
        width: auto;
    }


    .cards-form-actions .btn {
        flex-grow: 0;
    }

}

/*
|--------------------------------------------------------------------------
| KATEGORIRUTOR PÅ STARTSIDAN
|--------------------------------------------------------------------------
*/

.category-list {
    display: grid;

    gap: 12px;
}


.category-card {
    margin: 0;

    min-height: 70px;
}


@media (min-width: 700px) {

    .category-list {
        gap: 14px;
    }

}