.form-control,
    .form-select {
        border: 1.5px solid var(--white);
        background-color: transparent;
        border-radius: 8px;
        padding: 16px;
        transition: all 0.3s ease;
        color: var(--white);
        font-size: 18px;
    }

    .form-control::placeholder {
        color: rgba(255, 255, 255, .75);
        opacity: 1;
        /* Firefox */
    }

    .form-control::-ms-input-placeholder {
        /* Edge 12 -18 */
        color: rgba(255, 255, 255, .75);
    }

    .form-control:focus,
    .form-select:focus {
        border-color: var(--green-2);
        background-color: transparent;
        box-shadow: none !important;
        color: var(--white);
    }

    .form-control.error {
        border-color: var(--bs-danger);
    }

    .form-control.success {
        /*border-color: var(--bs-success);*/
    }

    .error-message {
        color: var(--bs-danger);
        font-size: 16px;
        margin-top: 5px;
        display: flex;
        align-items: center;
        gap: 5px;
        opacity: 0;
        height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .error-message.show {
        opacity: 1;
        height: 24px;
    }

    .captcha-section {
        background: transparent;
        border-radius: 12px;
        padding: 25px;
        margin: 20px 0 30px;
        border: 1.5px solid var(--white);
    }

    .captcha-header {
        margin-bottom: 15px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .captcha-header i {
        color: var(--green-2);
    }

    .question-section {
        background: var(--white);
        border-radius: 8px;
        padding: 20px;
        margin-bottom: 20px;
        border-left: 10px solid var(--green-2);
        color: var(--green-2);
    }

    .icons-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .icon-card {
        background: var(--green-2);
        border-radius: 12px;
        border: 1.5px solid var(--white);
        padding: 16px 12px;
        text-align: center;
        cursor: grab;
        transition: all 0.2s ease;
        user-select: none;
        display: flex;
        flex-direction: column;
        justify-content: center;
        width: 180px;
        height: 150px;
        border-radius: 3px;
    }

    .icon-card:hover {
        transform: translateY(-2px);
        background: var(--skyblue);
    }

    .icon-card:active {
        cursor: grabbing;
        transform: translateY(0);
    }

    .icon-card.dragging {
        opacity: 0.6;
        transform: scale(0.95);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    }

    .icon-card .icon {
        font-size: 30px;
        margin-bottom: 8px;
        height: auto;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .icon-card .icon-name {
        font-size: 18px;
    }

    .drop-area {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 20px;
    }

    .drop-circle {
        width: 200px;
        height: 200px;
        border-radius: 3px;
        background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
        background: var(--skyblue);
        border: 2px dashed var(--white);
        color: var(--white);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: all 0.3s ease;
        margin-bottom: 15px;
        position: relative;
        overflow: hidden;
    }

    .drop-circle::before {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        border-radius: 3px;
        background: radial-gradient(circle at center, transparent 30%, #6a8da370 70%);
    }

    .drop-circle.active {
        border-color: var(--green);
        border-style: solid;
        background: linear-gradient(135deg, #4cbabb 0%, #205f61 100%);
        box-shadow: 0 8px 25px rgba(59, 130, 246, 0.12);
    }

    .drop-circle.correct {
        border-color: var(--bs-success);
        background: linear-gradient(135deg, #00c166 0%, #00c166 100%);
        box-shadow: 0 8px 25px rgba(16, 185, 129, 0.12);
    }

    .drop-circle .drop-text {
        font-size: 30px;
        text-align: center;
        padding: 0 15px;
        z-index: 1;
        line-height: 1.4;
        font-style: italic;
    }

    .status-area {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 12px;
    }

    .status-text {
        color: var(--green-2);
        text-align: center;
        display: flex;
        align-items: center;
    }

    .status-text.verified {
        color: var(--bs-success);
    }

    .checkmark {
        display: inline-block;
        width: 20px;
        height: 20px;
        background: var(--bs-success);
        color: white;
        border-radius: 50%;
        text-align: center;
        line-height: 20px;
        margin-right: 8px;
        font-size: 12px;
        transform: scale(0);
        transition: transform 0.3s ease;
    }

    .verified .checkmark {
        transform: scale(1);
    }

    .captcha-required {
        color: var(--bs-danger);
        font-size: 16px;
        text-align: center;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .captcha-required.show {
        opacity: 1;
    }

    .captcha-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 20px;
    }

    .form-footer {
        display: flex;
        align-items: start;
        justify-content: start;
    }

    .btn-new-problem {
        padding: 10px 15px;
        border: 1px solid var(--green-2);
        color: var(--white);
        background: transparent;
        border-radius: 10px;
    }

    .btn-new-problem:hover {
        background: var(--green-2);
    }

    .loading-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0, 0.85);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        border-radius: 16px;
        z-index:9999;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        width: 100%;
        height: 100%;
    }

    .loading-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .spinner-border {
        width: 3rem;
        height: 3rem;
        color: var(--green-2);
        margin-bottom: 15px;
    }

    .loading-text {
        color:var(--white);
        font-weight:300;
    }

    .form-info {
        font-size: 16px;
        color: #64748b;
    }

    @media(max-width:768px) {
        .captcha-section {
            padding: 15px 15px 0px;
        }

        .question-section {
            border-radius: 5px;
            padding: 10px;
            margin-bottom: 12px;
            border-left: 3px solid var(--bs-primary);
        }

        .icon-card {
            width: 90px;
            height: 90px;
            padding: 2px;
        }
    }

    @media (max-width:576px) {

        .icons-grid {
            justify-content: space-between;
            gap: 6px;
        }

        .drop-area {
            padding: 20px 0px;
        }

        .captcha-required {
            font-size: 14px;
        }

        .icon-card .icon-name {
            font-size: 12px;
        }
    }