/* DN Brief Form Styles - Nowoczesny, kreatywny design */

.dn-brief-form-wrapper {
    width: 100%;
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

.dn-brief-form-container {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.dn-brief-form-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 50px 40px;
    text-align: center;
    color: white;
}

.dn-brief-form-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 15px 0;
    letter-spacing: -0.5px;
}

.dn-brief-form-subtitle {
    font-size: 1.125rem;
    opacity: 0.95;
    margin: 0;
    font-weight: 400;
}

.dn-brief-form {
    padding: 40px;
}

.dn-form-group {
    margin-bottom: 30px;
}

.dn-form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #1f2937;
    font-size: 1rem;
}

.label-text {
    margin-right: 5px;
}

.label-required {
    color: #ef4444;
    font-weight: 700;
}

.dn-form-input,
.dn-form-textarea {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    transition: all 0.3s ease;
    font-family: inherit;
    background: #ffffff;
}

.dn-form-input:focus,
.dn-form-textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.dn-form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Radio buttons - kreatywny styl */
.dn-radio-group,
.dn-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dn-radio-option,
.dn-checkbox-option {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #ffffff;
}

.dn-radio-option:hover,
.dn-checkbox-option:hover {
    border-color: #667eea;
    background: #f9fafb;
    transform: translateX(5px);
}

.dn-radio-option input[type="radio"],
.dn-checkbox-option input[type="checkbox"] {
    margin-right: 12px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: #667eea;
}

.dn-radio-option input[type="radio"]:checked ~ .radio-label,
.dn-checkbox-option input[type="checkbox"]:checked ~ .checkbox-label {
    font-weight: 600;
    color: #667eea;
}

.radio-label,
.checkbox-label {
    flex: 1;
    cursor: pointer;
    font-size: 0.95rem;
    color: #374151;
}

/* Submit button - efektowny */
.dn-form-submit {
    margin-top: 40px;
}

.dn-btn-submit {
    width: 100%;
    padding: 18px 32px;
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dn-btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.dn-btn-submit:active {
    transform: translateY(-1px);
}

.dn-btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-text {
    display: inline-block;
}

.btn-loader {
    display: none;
}

.dn-btn-submit.loading .btn-text {
    display: none;
}

.dn-btn-submit.loading .btn-loader {
    display: inline-block;
}

/* Spinner animacja */
.spinner {
    animation: rotate 2s linear infinite;
    width: 24px;
    height: 24px;
}

.spinner .path {
    stroke: white;
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

@keyframes dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

/* Komunikaty */
.dn-form-message {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-weight: 500;
}

.dn-form-message.success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid #10b981;
}

.dn-form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid #ef4444;
}

.dn-form-footer {
    text-align: center;
    color: #6b7280;
    font-size: 0.875rem;
    margin-top: 30px;
    margin-bottom: 0;
}

/* Responsywność - mobile */
@media (max-width: 768px) {
    .dn-brief-form-wrapper {
        padding: 0 15px;
        margin: 20px auto;
    }

    .dn-brief-form-header {
        padding: 40px 25px;
    }

    .dn-brief-form-title {
        font-size: 2rem;
    }

    .dn-brief-form-subtitle {
        font-size: 1rem;
    }

    .dn-brief-form {
        padding: 30px 20px;
    }

    .dn-form-group {
        margin-bottom: 25px;
    }

    .dn-form-input,
    .dn-form-textarea {
        padding: 12px 15px;
        font-size: 16px; /* Zapobiega zoom na iOS */
    }

    .dn-radio-option,
    .dn-checkbox-option {
        padding: 14px 16px;
    }

    .dn-btn-submit {
        padding: 16px 28px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .dn-brief-form-title {
        font-size: 1.75rem;
    }

    .dn-brief-form-subtitle {
        font-size: 0.95rem;
    }

    .dn-brief-form {
        padding: 25px 15px;
    }
}

/* Animacje wejścia */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dn-brief-form-container {
    animation: slideIn 0.6s ease-out;
}

.dn-form-group {
    animation: slideIn 0.6s ease-out backwards;
}

.dn-form-group:nth-child(1) { animation-delay: 0.1s; }
.dn-form-group:nth-child(2) { animation-delay: 0.15s; }
.dn-form-group:nth-child(3) { animation-delay: 0.2s; }
.dn-form-group:nth-child(4) { animation-delay: 0.25s; }
.dn-form-group:nth-child(5) { animation-delay: 0.3s; }