.card {
    margin: 32px auto;
    padding: 28px 32px;
    background-color: var(--skilltracker-surface, #ffffff);
    border-radius: 18px;
    box-shadow: var(--skilltracker-shadow, 0 10px 28px rgba(0, 0, 0, 0.12));
    max-width: 780px;
}

.card h2 {
    margin-top: 0;
}

.card--danger {
    border-left: 5px solid #b91c1c;
}

.stacked-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
    background-color: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 16px;
    padding: 24px 28px;
    margin-top: 18px;
    max-width: 780px;
}

.stacked-form input,
.stacked-form textarea,
.stacked-form select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.stacked-form input:focus,
.stacked-form textarea:focus,
.stacked-form select:focus {
    outline: none;
    border-color: rgba(209, 96, 96, 0.8);
    box-shadow: 0 0 0 3px rgba(209, 96, 96, 0.2);
}

.form-hint {
    font-size: 0.9rem;
    color: #6b0a0a;
    background-color: rgba(255, 128, 128, 0.15);
    border-radius: 10px;
    padding: 10px 14px;
}

.form-success {
    font-size: 0.9rem;
    color: #0f5132;
    background-color: #d1e7dd;
    padding: 8px 12px;
    border-radius: 8px;
    display: inline-block;
}

.form-error-list {
    list-style: disc;
    padding-left: 18px;
    color: #9b1c1c;
    font-size: 0.9rem;
}

.form-error-list li + li {
    margin-top: 4px;
}

.button-link--danger {
    background-color: #b91c1c;
    color: #ffffff;
    border-color: #b91c1c;
}

.button-link--danger:hover {
    background-color: #7f1111;
    border-color: #7f1111;
}

.skill-form {
    display: grid;
    gap: 18px;
    margin: 0;
    padding: 0;
    width: 100%;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.skill-form__group {
    display: grid;
    gap: 8px;
}

.skill-form__group--full {
    width: 100%;
}

.skill-form__group label {
    font-weight: 600;
    letter-spacing: 0.01em;
}

.skill-form__group input,
.skill-form__group textarea,
.skill-form__group select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    font-size: 1rem;
}

.skill-form__group textarea {
    resize: vertical;
    min-height: 120px;
}

.skill-form__group--slider {
    gap: 12px;
}

.skill-form__slider-headline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.skill-form__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

@media (max-width: 640px) {
    .skill-form__slider-headline {
        flex-direction: column;
        align-items: flex-start;
    }

    .skill-form__actions {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (min-width: 768px) {
    .skill-form {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 24px;
    }

    .skill-form__group {
        grid-column: span 1;
    }

    .skill-form__group--full,
    .skill-form__actions {
        grid-column: 1 / -1;
    }
}

body.dark-mode .card,
body.dark-mode .stacked-form {
    background-color: rgba(24, 24, 24, 0.9);
    border-color: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.88);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.6);
}

body.dark-mode .stacked-form input,
body.dark-mode .stacked-form textarea,
body.dark-mode .stacked-form select,
body.dark-mode .skill-form__group input,
body.dark-mode .skill-form__group textarea,
body.dark-mode .skill-form__group select {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.92);
}

body.dark-mode .skill-form__group label {
    color: rgba(255, 255, 255, 0.85);
}

body.dark-mode .form-hint {
    color: #ffe4e4;
    background-color: rgba(248, 113, 113, 0.18);
}

body.dark-mode .form-success {
    color: #bbf7d0;
    background-color: rgba(34, 197, 94, 0.2);
}

body.dark-mode .form-error-list {
    color: #fecaca;
}

body.dark-mode .button-link--danger {
    background-color: #f87171;
    border-color: #f87171;
    color: #6b0a0a;
}

body.dark-mode .button-link--danger:hover {
    background-color: #fca5a5;
    border-color: #fca5a5;
    color: #490606;
}