:root {
    --dvstroi-primary: #00c087;
    --dvstroi-primary-dark: #00a070;
    --dvstroi-accent-hover: #ff9800;
    --dvstroi-text: #333333;
    --dvstroi-text-light: #666666;
    --dvstroi-text-white: #ffffff;
    --dvstroi-border: #e0e0e0;
    --dvstroi-bg: #ffffff;
    --dvstroi-bg-light: #f8f9fa;
    --dvstroi-error: #dc3545;
    --dvstroi-success: #28a745;
    --dvstroi-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --dvstroi-radius: 12px;
    --dvstroi-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}


.dvstroi-feedback-widget {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--dvstroi-text);
}


.dvstroi-feedback-toggle {
    position: fixed !important;
    bottom: 30px !important;
    right: 30px !important;
    z-index: 99990 !important;
    background: var(--dvstroi-primary) !important;
    color: var(--dvstroi-text-white) !important;
    border: none !important;
    border-radius: 10px !important;
    padding: 12px 18px !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    box-shadow: var(--dvstroi-shadow) !important;
    transition: var(--dvstroi-transition) !important;
    font-weight: 600 !important;
    font-size: 16px !important;
    text-decoration: none !important;
    min-width: auto !important;
    min-height: auto !important;
}

.dvstroi-feedback-toggle:hover {
    background: var(--dvstroi-primary-dark) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 12px 40px rgba(0, 192, 135, 0.25) !important;
    color: var(--dvstroi-text-white) !important;
}

.dvstroi-feedback-toggle:active {
    transform: translateY(0) !important;
}

.dvstroi-feedback-toggle i {
    font-size: 20px !important;
    color: var(--dvstroi-text-white) !important;
}

.dvstroi-feedback-toggle-text {
    white-space: nowrap !important;
    color: var(--dvstroi-text-white) !important;
}


.dvstroi-feedback-modal {
    position: fixed !important;
    bottom: 100px !important;
    right: 30px !important;
    width: 380px !important;
    max-width: calc(100vw - 60px) !important;
    background: var(--dvstroi-bg) !important;
    border-radius: var(--dvstroi-radius) !important;
    box-shadow: var(--dvstroi-shadow) !important;
    z-index: 99991 !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(20px) !important;
    transition: var(--dvstroi-transition) !important;
    display: flex !important;
    flex-direction: column !important;
    max-height: calc(100vh - 150px) !important;
    overflow: hidden !important;
}

.dvstroi-feedback-widget[aria-hidden="false"] .dvstroi-feedback-modal {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}


.dvstroi-feedback-header {
    background: linear-gradient(135deg, var(--dvstroi-primary), var(--dvstroi-primary-dark)) !important;
    color: var(--dvstroi-text-white) !important;
    padding: 16px 20px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    flex-shrink: 0 !important;
    min-height: 70px !important;
}

.dvstroi-feedback-brand {
    flex: 1 !important;
}

.dvstroi-feedback-title {
    margin: 0 !important;
    font-size: 18px !important;
    font-weight: 800 !important;
    letter-spacing: 0.5px !important;
    color: var(--dvstroi-text-white) !important;
    text-transform: uppercase !important;
    line-height: 1.2 !important;
}

.dvstroi-feedback-subtitle {
    margin: 4px 0 0 !important;
    font-size: 13px !important;
    opacity: 0.95 !important;
    font-weight: 400 !important;
    color: var(--dvstroi-text-white) !important;
    line-height: 1.3 !important;
}


.dvstroi-feedback-close {
    background: rgba(255, 255, 255, 0.2) !important;
    border: none !important;
    color: var(--dvstroi-text-white) !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.2s ease !important;
    margin-left: 12px !important;
    flex-shrink: 0 !important;
    padding: 0 !important;
}

.dvstroi-feedback-close:hover {
    background: rgba(255, 255, 255, 0.3) !important;
    transform: rotate(90deg) !important;
}

.dvstroi-feedback-close i {
    font-size: 16px !important;
    color: var(--dvstroi-text-white) !important;
}


.dvstroi-feedback-body {
    padding: 25px !important;
    flex: 1 !important;
    overflow-y: auto !important;
    background: var(--dvstroi-bg-light) !important;
}

.dvstroi-feedback-form {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
}


.dvstroi-form-group {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
}

.dvstroi-form-label {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    font-weight: 600 !important;
    color: var(--dvstroi-text) !important;
    font-size: 14px !important;
}

.dvstroi-form-label i {
    color: var(--dvstroi-primary) !important;
    width: 16px !important;
    text-align: center !important;
}

.required {
    color: var(--dvstroi-error) !important;
}


.dvstroi-form-input,
.dvstroi-form-textarea {
    padding: 12px 16px !important;
    border: 2px solid var(--dvstroi-border) !important;
    border-radius: 8px !important;
    font-size: 14px !important;
    transition: var(--dvstroi-transition) !important;
    background: var(--dvstroi-bg) !important;
    font-family: inherit !important;
    color: var(--dvstroi-text) !important;
    width: 100% !important;
}

.dvstroi-form-input:focus,
.dvstroi-form-textarea:focus {
    outline: none !important;
    border-color: var(--dvstroi-primary) !important;
    box-shadow: 0 0 0 3px rgba(0, 192, 135, 0.1) !important;
}

.dvstroi-form-input::placeholder,
.dvstroi-form-textarea::placeholder {
    color: #999 !important;
}

.dvstroi-form-textarea {
    resize: vertical !important;
    min-height: 80px !important;
}


.dvstroi-form-error {
    color: var(--dvstroi-error) !important;
    font-size: 12px !important;
    min-height: 20px !important;
    margin-top: 4px !important;
    display: none !important;
}

.dvstroi-form-error[data-error] {
    display: block !important;
}


.dvstroi-feedback-messages {
    padding: 12px !important;
    border-radius: 8px !important;
    font-size: 14px !important;
    display: none !important;
}

.dvstroi-feedback-messages[data-type="success"] {
    display: block !important;
    background: rgba(40, 167, 69, 0.1) !important;
    color: var(--dvstroi-success) !important;
    border: 1px solid rgba(40, 167, 69, 0.2) !important;
}

.dvstroi-feedback-messages[data-type="error"] {
    display: block !important;
    background: rgba(220, 53, 69, 0.1) !important;
    color: var(--dvstroi-error) !important;
    border: 1px solid rgba(220, 53, 69, 0.2) !important;
}


.dvstroi-form-submit {
    background: var(--dvstroi-primary) !important;
    color: var(--dvstroi-text-white) !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 14px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: var(--dvstroi-transition) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 10px !important;
    margin-top: 10px !important;
    text-decoration: none !important;
    width: 100% !important;
}

.dvstroi-form-submit:hover:not(:disabled) {
    background: var(--dvstroi-accent-hover) !important; 
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.3) !important;
    color: var(--dvstroi-text-white) !important;
}

.dvstroi-form-submit:disabled {
    opacity: 0.7 !important;
    cursor: not-allowed !important;
    background: var(--dvstroi-primary) !important;
}

.dvstroi-form-submit i {
    color: var(--dvstroi-text-white) !important;
}

.dvstroi-form-submit-loader {
    display: none !important;
}

.dvstroi-form-submit[data-loading="true"] .dvstroi-form-submit-text {
    display: none !important;
}

.dvstroi-form-submit[data-loading="true"] .dvstroi-form-submit-loader {
    display: block !important;
}


.dvstroi-feedback-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: rgba(0, 0, 0, 0.5) !important;
    z-index: 99989 !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transition: var(--dvstroi-transition) !important;
}

.dvstroi-feedback-widget[aria-hidden="false"] .dvstroi-feedback-overlay {
    opacity: 1 !important;
    visibility: visible !important;
}


@media (max-width: 768px) {
    .dvstroi-feedback-toggle {
        bottom: 20px !important;
        right: 20px !important;
        padding: 14px !important;
        width: 56px !important;
        height: 56px !important;
        justify-content: center !important;
    }

    .dvstroi-feedback-toggle-text {
        display: none !important;
    }

    .dvstroi-feedback-modal {
        bottom: 85px !important;
        right: 20px !important;
        left: 20px !important;
        width: auto !important;
        max-width: none !important;
    }

    .dvstroi-feedback-header {
        padding: 14px 16px !important;
        min-height: 65px !important;
    }

    .dvstroi-feedback-title {
        font-size: 17px !important;
    }

    .dvstroi-feedback-subtitle {
        font-size: 12px !important;
    }

    .dvstroi-feedback-body {
        padding: 20px !important;
    }
}

@media (max-width: 480px) {
    .dvstroi-feedback-toggle {
        bottom: 15px !important;
        right: 15px !important;
        width: 52px !important;
        height: 52px !important;
    }

    .dvstroi-feedback-modal {
        bottom: 75px !important;
        right: 15px !important;
        left: 15px !important;
    }

    .dvstroi-feedback-header {
        padding: 12px 15px !important;
        min-height: 60px !important;
    }

    .dvstroi-feedback-title {
        font-size: 16px !important;
    }
}


@keyframes dvstroiShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.dvstroi-form-input[data-invalid="true"],
.dvstroi-form-textarea[data-invalid="true"] {
    border-color: var(--dvstroi-error) !important;
    animation: dvstroiShake 0.3s ease !important;
}


.dvstroi-feedback-modal:focus-visible {
    outline: 3px solid var(--dvstroi-primary) !important;
    outline-offset: 2px !important;
}


.dvstroi-feedback-body::-webkit-scrollbar {
    width: 6px !important;
}

.dvstroi-feedback-body::-webkit-scrollbar-track {
    background: #f1f1f1 !important;
    border-radius: 3px !important;
}

.dvstroi-feedback-body::-webkit-scrollbar-thumb {
    background: var(--dvstroi-primary) !important;
    border-radius: 3px !important;
}

.dvstroi-feedback-body::-webkit-scrollbar-thumb:hover {
    background: var(--dvstroi-primary-dark) !important;
}