.form-section {
    padding: 4rem 0;
    /* Gradient od prawego górnego rogu do lewego dolnego */
    background: linear-gradient(to bottom left, #70F4E0, #E9FFFB);
    border-radius: 20px; 
    max-width: 1080px; 
    width: calc(100% - 120px); 
    margin: 0 auto 0 auto; 
    box-sizing: border-box;
}

.form-section h2 {
    margin-bottom: 3rem;
}

#contest-form {
    max-width: 800px;
    margin: 0 auto;
}

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

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 2rem;
}

.input-group {
    position: relative;
    margin-bottom: 2rem;
}

.input-group label {
    position: absolute;
    left: 0;
    top: 18px;
    font-weight: bold;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-black);
    pointer-events: none;
    transition: top 0.2s ease, font-size 0.2s ease, color 0.2s ease;
    white-space: nowrap;
}

.input-group input {
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--color-black);
    padding: 28px 0 8px 0;
    width: 100%;
    font-size: 1rem;
    outline: none;
    color: var(--color-black);
    transition: border-color 0.3s;
}

/* Float label when focused or when field has content */
.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
    top: 0;
    font-size: 0.65rem;
}

.input-group input:focus + label {
    color: #006556;
}

.input-group input:focus {
    border-bottom-color: #006556;
}

.file-upload {
    margin-top: 1rem;
}

.upload-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--color-black);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s;
}

.upload-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.upload-title {
    font-weight: bold;
    font-size: 1rem;
    margin-bottom: 5px;
}

.upload-subtitle {
    font-size: 0.75rem;
    color: rgba(0, 0, 0, 0.6);
}

.checkbox-group {
    margin-bottom: 2.5rem;
}

.custom-checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    margin-bottom: 16px;
    font-size: 0.85rem;
}

.custom-checkbox {
    width: 20px;
    height: 20px;
    display: inline-block;
    border: 1px solid var(--color-copyright);
    border-radius: 4px;
    background-color: var(--color-white);
    transition: border 0.2s ease-in-out;
    position: relative;
    flex-shrink: 0;
}

.custom-checkbox-wrapper:hover .custom-checkbox {
    border: 2px solid #006556; 
}

input[type="checkbox"]:checked + .custom-checkbox::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid var(--color-text-main);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

input[type="checkbox"]:focus-visible + .custom-checkbox {
    outline: 2px solid var(--color-text-main);
    outline-offset: 2px;
}

/* --- Wyróżnienie linków --- */
.subpage-content a, .label-text a {
    text-decoration: underline; 
    font-weight: bold; 
    color: inherit; 
    transition: color 0.3s ease, text-decoration 0.3s ease;
}

.subpage-content a:hover, .label-text a:hover {
    text-decoration: none; 
    color: #006556; 
}

.submit-wrapper {
    text-align: center;
}

.submit-btn {
    background: transparent;
    border: 2px solid var(--color-black);
    border-radius: 30px;
    padding: 12px 50px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.submit-btn:hover {
    background-color: var(--color-black);
    color: var(--color-mint-light);
}

.form-error-msg {
    color: #c0392b;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-align: center;
}

.form-success {
    text-align: center;
    padding: 3rem 1rem;
}

.form-success h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-mint-dark);
}

.form-success p {
    font-size: 1rem;
    color: #444;
}

/* ─── Required asterisk ─────────────────────────────────────────────────── */
.req { color: #c0392b; margin-left: 1px; }

/* ─── File upload field label ───────────────────────────────────────────── */
.field-label {
    display: block;
    font-weight: bold;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-black);
    margin-bottom: 8px;
}

/* ─── Toggle switch ──────────────────────────────────────────────────────── */
.toggle-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    cursor: pointer;
    margin-bottom: 16px;
    font-size: 0.85rem;
}

.toggle-track {
    flex-shrink: 0;
    width: 46px;
    height: 26px;
    background: rgba(0,0,0,0.18);
    border-radius: 13px;
    position: relative;
    transition: background 0.25s ease;
    margin-top: 1px;
}

.toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.25s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.25);
}

.visually-hidden:checked + .toggle-track {
    background: #006556;
}

.visually-hidden:checked + .toggle-track .toggle-thumb {
    transform: translateX(20px);
}

.visually-hidden:focus-visible + .toggle-track {
    outline: 2px solid #006556;
    outline-offset: 2px;
}

/* ─── Drag-over ──────────────────────────────────────────────────────────── */
.file-upload.drag-over .upload-btn {
    background-color: rgba(139, 240, 214, 0.25);
    border-color: #5bc4a8;
    border-style: solid;
}

/* ─── Field errors ───────────────────────────────────────────────────────── */
.field-error {
    color: #c0392b;
    font-size: 0.8rem;
    margin: 4px 0 0;
}

@media (max-width: 768px) {
    .form-section {
        width: calc(100% - 84px);
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}