.dataset-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 8px 32px 0 rgba(26,118,209,0.12), 0 1.5px 6px 0 rgba(0,0,0,0.05);
    margin: 24px 0;
    padding: 25px 32px 0 32px;
    position: relative;
}

@media (max-width: 600px) {
    .dataset-card {
        padding: 15px 6px 0 6px;
    }
}

.dataset-card .section-title h2 {
    font-weight: 600;
    margin-bottom: 10px;
}
.dataset-card .form-group label {
    margin-bottom: 6px;
}

.dataset-card input[type="text"],
.dataset-card input[type="email"],
.dataset-card select,
.dataset-card textarea,
.dataset-card input[type="file"] {
    border-radius: 8px;
    border: 1.5px solid #e2e6ea;
    font-size: 1rem;
    padding: 10px 14px;
    margin-bottom: 6px;
    transition: border-color 0.2s;
}

.dataset-card input[type="text"]:focus,
.dataset-card input[type="email"]:focus,
.dataset-card select:focus,
.dataset-card textarea:focus {
    border-color: #1A76D1;
    outline: none;
}

.dataset-card textarea {
    min-height: 95px;
    resize: vertical;
}

.dataset-card .btn {
    background: #1A76D1;
    color: #fff;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.7rem 0;
    transition: background 0.2s;
}

.dataset-card .btn:hover {
    background: #175fb1;
}

.dataset-card .form-check-label a {
    text-decoration: underline;
}

#otp-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: linear-gradient(120deg, #f5f7fa 0%, #c3cfe2 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
}
#otp-overlay .otp-card {
    background: #fff;
    padding: 2.5rem 2rem 2rem 2rem;
    border-radius: 18px;
    box-shadow: 0 8px 32px 0 rgba(26,118,209,0.13), 0 1.5px 6px 0 rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 320px;
    max-width: 92vw;
    gap: 1.3rem;
}
#otp-overlay h3 {
    color: #1A76D1;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    letter-spacing: 0.5px;
}
#otp-overlay input[type="text"], #otp-overlay input[type="tel"] {
    padding: 0.7rem 1rem;
    font-size: 1.08rem;
    border: 1.5px solid #e2e6ea;
    border-radius: 8px;
    outline: none;
    width: 220px;
    transition: border-color 0.2s;
    margin-bottom: 8px;
}
#otp-overlay input[type="text"]:focus, #otp-overlay input[type="tel"]:focus {
    border-color: #1A76D1;
}
#otp-overlay button {
    padding: 0.65rem 1.7rem;
    background: #1A76D1;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: background 0.2s;
    box-shadow: 0 1.5px 6px 0 rgba(26,118,209,0.08);
    margin-top: 6px;
}
#otp-overlay button:hover {
    background: #175fb1;
}
#otp-overlay #error-msg, #otp-overlay #error-msg-otp {
    color: #d11a35;
    font-size: 0.97rem;
    margin-top: 0.2rem;
    min-height: 18px;
    font-weight: 500;
}
/* Optional: Recaptcha tweaks */
#recaptcha-container {
    margin-top: 0.9rem;
    margin-bottom: -1rem;
    align-self: flex-start;
}