/* Form Pages Styles - Append to styles.css */
.page-header {
    background: var(--gradient-dark);
    padding: 140px 0 80px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4z'/%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white);
    margin-bottom: 12px;
}

.page-header h1 i {
    margin-right: 12px;
}

.page-header p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.back-link:hover {
    color: var(--white);
}

.presentation-types-header {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 24px;
}

.presentation-types-header span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--white);
}

.form-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.form-card {
    background: var(--white);
    padding: 48px;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.form-title {
    font-size: 1.75rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-title i {
    color: var(--secondary);
}

.form-subtitle {
    color: var(--gray-500);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
}

.form-group label .required {
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

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

.form-hint {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 6px;
    font-style: italic;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.radio-option:hover {
    border-color: var(--secondary);
}

.radio-option.selected {
    border-color: var(--secondary);
    background: rgba(0, 212, 255, 0.05);
}

.radio-option input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--secondary);
}

.form-divider {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 40px 0;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.form-divider span {
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

.abstract-box {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.abstract-box h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-800);
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.abstract-box h4 i {
    color: var(--secondary);
}

.file-upload {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--gray-50);
    position: relative;
}

.file-upload:hover {
    border-color: var(--secondary);
    background: rgba(0, 212, 255, 0.05);
}

.file-upload.dragover {
    border-color: var(--secondary);
    background: rgba(0, 212, 255, 0.1);
}

.file-upload i {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 16px;
}

.file-upload h4 {
    margin-bottom: 8px;
    color: var(--gray-800);
}

.file-upload p {
    color: var(--gray-500);
}

.file-upload small {
    color: var(--gray-400);
}

.file-upload input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-name {
    margin-top: 12px;
    padding: 8px 16px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--secondary);
    font-weight: 500;
}

.btn-submit {
    width: 100%;
    padding: 18px;
    font-size: 1.1rem;
    margin-top: 24px;
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 60px 40px;
}

.success-message i {
    font-size: 5rem;
    color: var(--success);
    margin-bottom: 24px;
    animation: successPop 0.5s ease;
}

@keyframes successPop {
    0% {
        transform: scale(0);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

.success-message h3 {
    font-size: 2rem;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.success-message p {
    color: var(--gray-500);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

/* Responsive */
/* Responsive Improvements for Forms */
@media (max-width: 768px) {
    .page-header {
        padding: 100px 0 50px;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .page-header p {
        font-size: 1rem;
    }

    .presentation-types-header {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }

    .presentation-types-header span {
        width: 100%;
        justify-content: center;
    }

    .form-section {
        padding: 40px 0;
    }

    .form-card {
        padding: 25px 20px;
        border-radius: var(--radius-lg);
    }

    .form-title {
        font-size: 1.4rem;
        flex-direction: column;
        text-align: center;
    }

    .form-subtitle {
        text-align: center;
        font-size: 0.9rem;
    }

    .form-divider {
        margin: 30px 0;
    }

    .form-divider span {
        font-size: 0.8rem;
    }

    .abstract-box {
        padding: 15px;
        border-radius: var(--radius-md);
    }

    .abstract-box h4 {
        font-size: 1rem;
    }

    .file-upload {
        padding: 25px 15px;
    }

    .file-upload i {
        font-size: 2.2rem;
    }

    .file-upload h4 {
        font-size: 1rem;
    }

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

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 1.5rem;
    }

    .form-card {
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    }

    .radio-option {
        padding: 12px;
        font-size: 0.9rem;
    }
}