* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f4f6f9;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-wrapper {
    width: 100%;
    padding: 20px;
}

.login-card {
    max-width: 380px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    padding: 32px 28px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.login-card h1 {
    font-size: 22px;
    margin: 0 0 4px;
    color: #1a1a1a;
    text-align: center;
}

.subtitle {
    text-align: center;
    color: #777;
    font-size: 15px;
    margin: 0 0 24px;
}

.exam-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #333;
}

.exam-form input {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 18px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
}

.exam-form input:focus {
    outline: none;
    border-color: #4a7dff;
}

.terms-block {
    margin-bottom: 18px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    font-weight: 400;
    color: #444;
    margin-bottom: 6px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 2px 0 0;
    flex-shrink: 0;
}

.read-more-btn {
    background: none;
    border: none;
    color: #4a7dff;
    font-size: 12px;
    padding: 0 0 0 24px;
    cursor: pointer;
    text-decoration: underline;
}

.terms-text {
    font-size: 12px;
    color: #666;
    line-height: 1.5;
    margin: 8px 0 0 24px;
    padding: 10px 12px;
    background: #f7f8fa;
    border-radius: 8px;
}
.exam-form button[type="submit"] {
    width: 100%;
    padding: 12px;
    background: #16337f;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.exam-form button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.link-btn {
    display: block;
    width: 100%;
    margin-top: 12px;
    background: none;
    border: none;
    color: #4a7dff;
    font-size: 13px;
    cursor: pointer;
    text-align: center;
}

.link-btn:disabled {
    color: #aaa;
    cursor: not-allowed;
}

.otp-info {
    font-size: 13px;
    color: #666;
    margin-top: 0;
}

.form-error {
    background: #fdecea;
    color: #b3261e;
    border: 1px solid #f5c2c0;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
}

.support-bar {
    max-width: 380px;
    margin: 14px auto 0;
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.support-label {
    font-size: 17px;
    color: #777;
}

.support-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

.support-call {
    background: #eef2ff;
    color: #2a3fbf;
}

.support-whatsapp {
    background: #e3f9e5;
    color: #1b7a1f;
}

.support-icon {
    font-size: 14px;
}